go mod tidy

.gitea/workflows/tests.yml

@@ -39,17 +39,4 @@ jobs:
       - name: Run tests
         run: cd "${{ gitea.workspace }}" && make test
 
-      - name: Send failure mail
-        if: failure()
-        uses: dawidd6/action-send-mail@v3
-        with:
-          server_address: smtp.fastmail.com
-          server_port: 465
-          secure: true
-          username: ${{secrets.MAIL_USERNAME}}
-          password: ${{secrets.MAIL_PASSWORD}}
-          subject: Pipeline on '${{ gitea.repository }}' failed
-          to: ${{ steps.commiter_info.outputs.MAIL }}
-          from: Gitea Actions <gitea_actions@blackforestbytes.de>
-          body: "Go to https://gogs.blackforestbytes.com/${{ gitea.repository }}/actions"
 

.idea/copilot.data.migration.agent.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AgentMigrationStateService">
+    <option name="migrationStatus" value="COMPLETED" />
+  </component>
+</project>

.idea/copilot.data.migration.ask.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AskMigrationStateService">
+    <option name="migrationStatus" value="COMPLETED" />
+  </component>
+</project>

.idea/copilot.data.migration.ask2agent.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="Ask2AgentMigrationStateService">
+    <option name="migrationStatus" value="COMPLETED" />
+  </component>
+</project>

.idea/copilot.data.migration.edit.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="EditMigrationStateService">
+    <option name="migrationStatus" value="COMPLETED" />
+  </component>
+</project>

.idea/go.imports.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GoImports">
+    <option name="excludedPackages">
+      <array>
+        <option value="github.com/pkg/errors" />
+        <option value="golang.org/x/net/context" />
+      </array>
+    </option>
+  </component>
+</project>

README.md

@@ -26,10 +26,14 @@ Potentially needs `export GOPRIVATE="git.blackforestbytes.com"`
 | cursortoken | Mike       | MongoDB cursortoken implementation                                                                            |
 | pagination  | Mike       | Pagination implementation                                                                                     |
 |             |            |                                                                                                               |
+| ginext      | Mike       | gin wrapper                                                                                                   |
+| wsw         | Mike       | websocket wrapper                                                                                             |
+|             |            |                                                                                                               |
 | totpext     | Mike       | Implementation of TOTP (2-Factor-Auth)                                                                        |
 | termext     | Mike       | Utilities for terminals (mostly color output)                                                                 |
 | confext     | Mike       | Parses environment configuration into structs                                                                 |
 | cmdext      | Mike       | Runner for external commands/processes                                                                        |
+| excelext    | Mike       | Build Excel files                                                                                             |
 |             |            |                                                                                                               |
 | sq          | Mike       | Utility functions for sql based databases (primarily sqlite)                                                  |
 | tst         | Mike       | Utility functions for unit tests                                                                              |

bfcodegen/enum-generate.go

@@ -46,7 +46,7 @@ var rexEnumPackage = rext.W(regexp.MustCompile(`^package\s+(?P<name>[A-Za-z0-9_]
 
 var rexEnumDef = rext.W(regexp.MustCompile(`^\s*type\s+(?P<name>[A-Za-z0-9_]+)\s+(?P<type>[A-Za-z0-9_]+)\s*//\s*(@enum:type).*$`))
 
-var rexEnumValueDef = rext.W(regexp.MustCompile(`^\s*(?P<name>[A-Za-z0-9_]+)\s+(?P<type>[A-Za-z0-9_]+)\s*=\s*(?P<value>("[@A-Za-z0-9_:\s\-.]*"|[0-9]+))\s*(//(?P<comm>.*))?.*$`))
+var rexEnumValueDef = rext.W(regexp.MustCompile(`^\s*(?P<name>[A-Za-z0-9_]+)\s+(?P<type>[A-Za-z0-9_]+)\s*=\s*(?P<value>("[/@A-Za-z0-9_:\s\-.]*"|[0-9]+))\s*(//(?P<comm>.*))?.*$`))
 
 var rexEnumChecksumConst = rext.W(regexp.MustCompile(`const ChecksumEnumGenerator = "(?P<cs>[A-Za-z0-9_]*)"`))
 

bfcodegen/enum-generate.template

@@ -117,6 +117,20 @@ func (e {{.EnumTypeName}}) DescriptionMeta() enums.EnumDescriptionMetaValue {
 }
 {{end}}
 
+{{if $hasData}}
+func (e {{.EnumTypeName}}) DataMeta() enums.EnumDataMetaValue {
+    return enums.EnumDataMetaValue{
+        VarName: e.VarName(),
+        Value: e,
+        {{if $hasDescr}} Description: langext.Ptr(e.Description()), {{else}} Description: nil, {{end}}
+        Data: map[string]any{
+            {{ range $datakey, $datatype := $enumdef | generalDataKeys  }} "{{ $datakey }}": e.Data().{{ $datakey | godatakey }},
+            {{ end }}
+        },
+    }
+}
+{{end}}
+
 func Parse{{.EnumTypeName}}(vv string) ({{.EnumTypeName}}, bool) {
 	for _, ev := range __{{.EnumTypeName}}Values {
 		if string(ev) == vv {
@@ -136,6 +150,14 @@ func {{.EnumTypeName}}ValuesMeta() []enums.EnumMetaValue {
 	}
 }
 
+{{if $hasData}}
+func {{.EnumTypeName}}ValuesDataMeta() []enums.EnumDataMetaValue {
+	return []enums.EnumDataMetaValue{ {{range .Values}}
+            {{.VarName}}.DataMeta(), {{end}}
+	}
+}
+{{end}}
+
 {{if $hasDescr}}
 func {{.EnumTypeName}}ValuesDescriptionMeta() []enums.EnumDescriptionMetaValue {
 	return []enums.EnumDescriptionMetaValue{ {{range .Values}}

bfcodegen/id-generate.template

@@ -2,9 +2,7 @@
 
 package {{.PkgName}}
 
-import "go.mongodb.org/mongo-driver/bson"
+import "go.mongodb.org/mongo-driver/v2/bson"
-import "go.mongodb.org/mongo-driver/bson/bsontype"
-import "go.mongodb.org/mongo-driver/bson/primitive"
 import "git.blackforestbytes.com/BlackForestBytes/goext/exerr"
 
 const ChecksumIDGenerator = "{{.Checksum}}" // GoExtVersion: {{.GoextVersion}}
@@ -13,9 +11,10 @@ const ChecksumIDGenerator = "{{.Checksum}}" // GoExtVersion: {{.GoextVersion}}
 
 // ================================ {{.Name}} ({{.FileRelative}}) ================================
 
-func (i {{.Name}}) MarshalBSONValue() (bsontype.Type, []byte, error) {
+func (i {{.Name}}) MarshalBSONValue() (byte, []byte, error) {
-	if objId, err := primitive.ObjectIDFromHex(string(i)); err == nil {
+	if objId, err := bson.ObjectIDFromHex(string(i)); err == nil {
-		return bson.MarshalValue(objId)
+		tp, data, err := bson.MarshalValue(objId)
+		return byte(tp), data, err
 	} else {
 		return 0, nil, exerr.New(exerr.TypeMarshalEntityID, "Failed to marshal {{.Name}}("+i.String()+") to ObjectId").Str("value", string(i)).Type("type", i).Build()
 	}
@@ -25,12 +24,12 @@ func (i {{.Name}}) String() string {
 	return string(i)
 }
 
-func (i {{.Name}}) ObjID() (primitive.ObjectID, error) {
+func (i {{.Name}}) ObjID() (bson.ObjectID, error) {
-	return primitive.ObjectIDFromHex(string(i))
+	return bson.ObjectIDFromHex(string(i))
 }
 
 func (i {{.Name}}) Valid() bool {
-	_, err := primitive.ObjectIDFromHex(string(i))
+	_, err := bson.ObjectIDFromHex(string(i))
 	return err == nil
 }
 
@@ -50,7 +49,7 @@ func (i {{.Name}}) IsZero() bool {
 }
 
 func New{{.Name}}() {{.Name}} {
-	return {{.Name}}(primitive.NewObjectID().Hex())
+	return {{.Name}}(bson.NewObjectID().Hex())
 }
 
 {{end}}

cryptext/passHash.go

@@ -6,13 +6,15 @@ import (
 	"crypto/sha512"
 	"encoding/base64"
 	"encoding/hex"
+	"encoding/json"
 	"errors"
 	"fmt"
+	"strconv"
+	"strings"
+
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"git.blackforestbytes.com/BlackForestBytes/goext/totpext"
 	"golang.org/x/crypto/bcrypt"
-	"strconv"
-	"strings"
 )
 
 const LatestPassHashVersion = 5
@@ -317,6 +319,13 @@ func (ph PassHash) String() string {
 	return string(ph)
 }
 
+func (ph PassHash) MarshalJSON() ([]byte, error) {
+	if ph == "" {
+		return json.Marshal("")
+	}
+	return json.Marshal("*****")
+}
+
 func HashPassword(plainpass string, totpSecret []byte) (PassHash, error) {
 	return HashPasswordV5(plainpass, totpSecret)
 }

cursortoken/filter.go

@@ -2,7 +2,8 @@ package cursortoken
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/mongo"
+
+	"go.mongodb.org/mongo-driver/v2/mongo"
 )
 
 type RawFilter interface {

cursortoken/tokenKeySort.go

@@ -3,8 +3,9 @@ package cursortoken
 import (
 	"encoding/base32"
 	"encoding/json"
-	"go.mongodb.org/mongo-driver/bson/primitive"
 	"time"
+
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
 type CTKeySort struct {
@@ -119,18 +120,18 @@ func (c CTKeySort) IsStart() bool {
 	return c.Mode == CTMStart
 }
 
-func (c CTKeySort) valuePrimaryObjectId() (primitive.ObjectID, bool) {
+func (c CTKeySort) valuePrimaryObjectId() (bson.ObjectID, bool) {
-	if oid, err := primitive.ObjectIDFromHex(c.ValuePrimary); err == nil {
+	if oid, err := bson.ObjectIDFromHex(c.ValuePrimary); err == nil {
 		return oid, true
 	} else {
-		return primitive.ObjectID{}, false
+		return bson.ObjectID{}, false
 	}
 }
 
-func (c CTKeySort) valueSecondaryObjectId() (primitive.ObjectID, bool) {
+func (c CTKeySort) valueSecondaryObjectId() (bson.ObjectID, bool) {
-	if oid, err := primitive.ObjectIDFromHex(c.ValueSecondary); err == nil {
+	if oid, err := bson.ObjectIDFromHex(c.ValueSecondary); err == nil {
 		return oid, true
 	} else {
-		return primitive.ObjectID{}, false
+		return bson.ObjectID{}, false
 	}
 }

dataext/broadcaster.go

@@ -0,0 +1,230 @@
+package dataext
+
+import (
+	"context"
+	"iter"
+	"sync"
+	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"git.blackforestbytes.com/BlackForestBytes/goext/syncext"
+	"github.com/rs/xid"
+)
+
+// Broadcaster is a simple Broadcaster channel
+// This is a simpler interface over Broadcaster - which does not have distinct namespaces
+type Broadcaster[TData any] struct {
+	masterLock *sync.Mutex
+
+	subscriptions []*broadcastSubscription[TData]
+}
+
+type BroadcastSubscription interface {
+	Unsubscribe()
+}
+
+type broadcastSubscription[TData any] struct {
+	ID string
+
+	parent *Broadcaster[TData]
+
+	subLock *sync.Mutex
+
+	Func func(TData)
+	Chan chan TData
+
+	UnsubChan chan bool
+}
+
+func (p *broadcastSubscription[TData]) Unsubscribe() {
+	p.parent.unsubscribe(p)
+}
+
+func NewBroadcaster[TData any](capacity int) *Broadcaster[TData] {
+	return &Broadcaster[TData]{
+		masterLock:    &sync.Mutex{},
+		subscriptions: make([]*broadcastSubscription[TData], 0, capacity),
+	}
+}
+
+func (bb *Broadcaster[TData]) SubscriberCount() int {
+	bb.masterLock.Lock()
+	defer bb.masterLock.Unlock()
+
+	return len(bb.subscriptions)
+}
+
+// Publish sends `data` to all subscriber
+// But unbuffered - if one is currently not listening, we skip (the actualReceiver < subscriber)
+func (bb *Broadcaster[TData]) Publish(data TData) (subscriber int, actualReceiver int) {
+	bb.masterLock.Lock()
+	subs := langext.ArrCopy(bb.subscriptions)
+	bb.masterLock.Unlock()
+
+	subscriber = len(subs)
+	actualReceiver = 0
+
+	for _, sub := range subs {
+		func() {
+			sub.subLock.Lock()
+			defer sub.subLock.Unlock()
+
+			if sub.Func != nil {
+				go func() { sub.Func(data) }()
+				actualReceiver++
+			} else if sub.Chan != nil {
+				msgSent := syncext.WriteNonBlocking(sub.Chan, data)
+				if msgSent {
+					actualReceiver++
+				}
+			}
+		}()
+	}
+
+	return subscriber, actualReceiver
+}
+
+// PublishWithContext sends `data` to all subscriber
+// buffered - if one is currently not listening, we wait (but error out when the context runs out)
+func (bb *Broadcaster[TData]) PublishWithContext(ctx context.Context, data TData) (subscriber int, actualReceiver int, err error) {
+	bb.masterLock.Lock()
+	subs := langext.ArrCopy(bb.subscriptions)
+	bb.masterLock.Unlock()
+
+	subscriber = len(subs)
+	actualReceiver = 0
+
+	for _, sub := range subs {
+		err := func() error {
+			sub.subLock.Lock()
+			defer sub.subLock.Unlock()
+
+			if err := ctx.Err(); err != nil {
+				return err
+			}
+
+			if sub.Func != nil {
+				go func() { sub.Func(data) }()
+				actualReceiver++
+			} else if sub.Chan != nil {
+				err := syncext.WriteChannelWithContext(ctx, sub.Chan, data)
+				if err != nil {
+					return err
+				}
+				actualReceiver++
+			}
+
+			return nil
+		}()
+		if err != nil {
+			return subscriber, actualReceiver, err
+		}
+	}
+
+	return subscriber, actualReceiver, nil
+}
+
+// PublishWithTimeout sends `data` to all subscriber
+// buffered - if one is currently not listening, we wait (but wait at most `timeout` - if the timeout is exceeded then actualReceiver < subscriber)
+func (bb *Broadcaster[TData]) PublishWithTimeout(data TData, timeout time.Duration) (subscriber int, actualReceiver int) {
+	bb.masterLock.Lock()
+	subs := langext.ArrCopy(bb.subscriptions)
+	bb.masterLock.Unlock()
+
+	subscriber = len(subs)
+	actualReceiver = 0
+
+	for _, sub := range subs {
+		func() {
+			sub.subLock.Lock()
+			defer sub.subLock.Unlock()
+
+			if sub.Func != nil {
+				go func() { sub.Func(data) }()
+				actualReceiver++
+			} else if sub.Chan != nil {
+				ok := syncext.WriteChannelWithTimeout(sub.Chan, data, timeout)
+				if ok {
+					actualReceiver++
+				}
+			}
+		}()
+	}
+
+	return subscriber, actualReceiver
+}
+
+func (bb *Broadcaster[TData]) SubscribeByCallback(fn func(TData)) BroadcastSubscription {
+	bb.masterLock.Lock()
+	defer bb.masterLock.Unlock()
+
+	sub := &broadcastSubscription[TData]{ID: xid.New().String(), parent: bb, subLock: &sync.Mutex{}, Func: fn, UnsubChan: nil}
+
+	bb.subscriptions = append(bb.subscriptions, sub)
+
+	return sub
+}
+
+func (bb *Broadcaster[TData]) SubscribeByChan(chanBufferSize int) (chan TData, BroadcastSubscription) {
+	bb.masterLock.Lock()
+	defer bb.masterLock.Unlock()
+
+	msgCh := make(chan TData, chanBufferSize)
+
+	sub := &broadcastSubscription[TData]{ID: xid.New().String(), parent: bb, subLock: &sync.Mutex{}, Chan: msgCh, UnsubChan: nil}
+
+	bb.subscriptions = append(bb.subscriptions, sub)
+
+	return msgCh, sub
+}
+
+func (bb *Broadcaster[TData]) SubscribeByIter(chanBufferSize int) (iter.Seq[TData], BroadcastSubscription) {
+	bb.masterLock.Lock()
+	defer bb.masterLock.Unlock()
+
+	msgCh := make(chan TData, chanBufferSize)
+	unsubChan := make(chan bool, 8)
+
+	sub := &broadcastSubscription[TData]{ID: xid.New().String(), parent: bb, subLock: &sync.Mutex{}, Chan: msgCh, UnsubChan: unsubChan}
+
+	bb.subscriptions = append(bb.subscriptions, sub)
+
+	iterFun := func(yield func(TData) bool) {
+		for {
+			select {
+			case msg := <-msgCh:
+				if !yield(msg) {
+					sub.Unsubscribe()
+					return
+				}
+			case <-sub.UnsubChan:
+				sub.Unsubscribe()
+				return
+			}
+		}
+	}
+
+	return iterFun, sub
+}
+
+func (bb *Broadcaster[TData]) unsubscribe(p *broadcastSubscription[TData]) {
+	bb.masterLock.Lock()
+	defer bb.masterLock.Unlock()
+
+	p.subLock.Lock()
+	defer p.subLock.Unlock()
+
+	if p.Chan != nil {
+		close(p.Chan)
+		p.Chan = nil
+	}
+	if p.UnsubChan != nil {
+		syncext.WriteNonBlocking(p.UnsubChan, true)
+		close(p.UnsubChan)
+		p.UnsubChan = nil
+	}
+
+	bb.subscriptions = langext.ArrFilter(bb.subscriptions, func(v *broadcastSubscription[TData]) bool {
+		return v.ID != p.ID
+	})
+}

dataext/broadcaster_test.go

@@ -0,0 +1,332 @@
+package dataext
+
+import (
+	"context"
+	"sync"
+	"testing"
+	"time"
+)
+
+func TestNewBroadcast(t *testing.T) {
+	bb := NewBroadcaster[string](10)
+	if bb == nil {
+		t.Fatal("NewBroadcaster returned nil")
+	}
+	if bb.masterLock == nil {
+		t.Fatal("masterLock is nil")
+	}
+	if bb.subscriptions == nil {
+		t.Fatal("subscriptions is nil")
+	}
+}
+
+func TestBroadcast_SubscribeByCallback(t *testing.T) {
+	bb := NewBroadcaster[string](10)
+
+	var received string
+	var wg sync.WaitGroup
+	wg.Add(1)
+
+	callback := func(msg string) {
+		received = msg
+		wg.Done()
+	}
+
+	sub := bb.SubscribeByCallback(callback)
+	defer sub.Unsubscribe()
+
+	// Publish a message
+	subs, receivers := bb.Publish("hello")
+
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+
+	if receivers != 1 {
+		t.Fatalf("Expected 1 receiver, got %d", receivers)
+	}
+
+	// Wait for the callback to be executed
+	wg.Wait()
+
+	if received != "hello" {
+		t.Fatalf("Expected to receive 'hello', got '%s'", received)
+	}
+}
+
+func TestBroadcast_SubscribeByChan(t *testing.T) {
+	bb := NewBroadcaster[string](10)
+
+	ch, sub := bb.SubscribeByChan(1)
+	defer sub.Unsubscribe()
+
+	// Publish a message
+	subs, receivers := bb.Publish("hello")
+
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+
+	if receivers != 1 {
+		t.Fatalf("Expected 1 receiver, got %d", receivers)
+	}
+
+	// Read from the channel with a timeout to avoid blocking
+	select {
+	case msg := <-ch:
+		if msg != "hello" {
+			t.Fatalf("Expected to receive 'hello', got '%s'", msg)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message")
+	}
+}
+
+func TestBroadcast_SubscribeByIter(t *testing.T) {
+	bb := NewBroadcaster[string](10)
+
+	iterSeq, sub := bb.SubscribeByIter(1)
+	defer sub.Unsubscribe()
+
+	// Channel to communicate when message is received
+	done := make(chan bool)
+	received := false
+
+	// Start a goroutine to use the iterator
+	go func() {
+		for msg := range iterSeq {
+			if msg == "hello" {
+				received = true
+				done <- true
+				return // Stop iteration
+			}
+		}
+	}()
+
+	// Give time for the iterator to start
+	time.Sleep(100 * time.Millisecond)
+
+	// Publish a message
+	bb.Publish("hello")
+
+	// Wait for the message to be received or timeout
+	select {
+	case <-done:
+		if !received {
+			t.Fatal("Message was received but not 'hello'")
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message")
+	}
+
+	subCount := bb.SubscriberCount()
+	if subCount != 0 {
+		t.Fatalf("Expected 0 receivers, got %d", subCount)
+	}
+}
+
+func TestBroadcast_Publish(t *testing.T) {
+	bb := NewBroadcaster[string](10)
+
+	// Test publishing with no subscribers
+	subs, receivers := bb.Publish("hello")
+	if subs != 0 {
+		t.Fatalf("Expected 0 subscribers, got %d", subs)
+	}
+	if receivers != 0 {
+		t.Fatalf("Expected 0 receivers, got %d", receivers)
+	}
+
+	// Add a subscriber
+	ch, sub := bb.SubscribeByChan(1)
+	defer sub.Unsubscribe()
+
+	// Publish a message
+	subs, receivers = bb.Publish("hello")
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+	if receivers != 1 {
+		t.Fatalf("Expected 1 receiver, got %d", receivers)
+	}
+
+	// Verify the message was received
+	select {
+	case msg := <-ch:
+		if msg != "hello" {
+			t.Fatalf("Expected to receive 'hello', got '%s'", msg)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message")
+	}
+
+	// Test non-blocking behavior with a full channel
+	// First fill the channel
+	bb.Publish("fill")
+
+	// Now publish again - this should not block but may skip the receiver
+	subs, receivers = bb.Publish("overflow")
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+	_ = receivers // may be 0 if channel is full
+
+	// Drain the channel
+	<-ch
+}
+
+func TestBroadcast_PublishWithTimeout(t *testing.T) {
+	bb := NewBroadcaster[string](10)
+
+	// Add a subscriber with a channel
+	ch, sub := bb.SubscribeByChan(1)
+	defer sub.Unsubscribe()
+
+	// Publish with a timeout
+	subs, receivers := bb.PublishWithTimeout("hello", 100*time.Millisecond)
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+	if receivers != 1 {
+		t.Fatalf("Expected 1 receiver, got %d", receivers)
+	}
+
+	// Verify the message was received
+	select {
+	case msg := <-ch:
+		if msg != "hello" {
+			t.Fatalf("Expected to receive 'hello', got '%s'", msg)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message")
+	}
+
+	// Fill the channel
+	bb.Publish("fill")
+
+	// Test timeout behavior with a full channel
+	start := time.Now()
+	subs, receivers = bb.PublishWithTimeout("timeout-test", 50*time.Millisecond)
+	elapsed := time.Since(start)
+
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+
+	// The receiver count should be 0 if the timeout occurred
+	if elapsed < 50*time.Millisecond {
+		t.Fatalf("Expected to wait at least 50ms, only waited %v", elapsed)
+	}
+
+	// Drain the channel
+	<-ch
+}
+
+func TestBroadcast_PublishWithContext(t *testing.T) {
+	bb := NewBroadcaster[string](10)
+
+	// Add a subscriber with a channel
+	ch, sub := bb.SubscribeByChan(1)
+	defer sub.Unsubscribe()
+
+	// Create a context
+	ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
+	defer cancel()
+
+	// Publish with context
+	subs, receivers, err := bb.PublishWithContext(ctx, "hello")
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+	if receivers != 1 {
+		t.Fatalf("Expected 1 receiver, got %d", receivers)
+	}
+
+	// Verify the message was received
+	select {
+	case msg := <-ch:
+		if msg != "hello" {
+			t.Fatalf("Expected to receive 'hello', got '%s'", msg)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message")
+	}
+
+	// Fill the channel
+	bb.Publish("fill")
+
+	// Test context cancellation with a full channel
+	ctx, cancel = context.WithCancel(context.Background())
+
+	// Cancel the context after a short delay
+	go func() {
+		time.Sleep(50 * time.Millisecond)
+		cancel()
+	}()
+
+	start := time.Now()
+	subs, receivers, err = bb.PublishWithContext(ctx, "context-test")
+	elapsed := time.Since(start)
+
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+
+	// Should get a context canceled error
+	if err == nil {
+		t.Fatal("Expected context canceled error, got nil")
+	}
+
+	if elapsed < 50*time.Millisecond {
+		t.Fatalf("Expected to wait at least 50ms, only waited %v", elapsed)
+	}
+
+	// Drain the channel
+	<-ch
+}
+
+func TestBroadcast_Unsubscribe(t *testing.T) {
+	bb := NewBroadcaster[string](10)
+
+	// Add a subscriber
+	ch, sub := bb.SubscribeByChan(1)
+
+	// Publish a message
+	subs, receivers := bb.Publish("hello")
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+	if receivers != 1 {
+		t.Fatalf("Expected 1 receiver, got %d", receivers)
+	}
+
+	// Verify the message was received
+	select {
+	case msg := <-ch:
+		if msg != "hello" {
+			t.Fatalf("Expected to receive 'hello', got '%s'", msg)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message")
+	}
+
+	// Unsubscribe
+	sub.Unsubscribe()
+
+	// Publish again
+	subs, receivers = bb.Publish("after-unsub")
+	if subs != 0 {
+		t.Fatalf("Expected 0 subscribers after unsubscribe, got %d", subs)
+	}
+	if receivers != 0 {
+		t.Fatalf("Expected 0 receivers after unsubscribe, got %d", receivers)
+	}
+
+	// Check that the subscriber count is 0
+	if bb.SubscriberCount() != 0 {
+		t.Fatalf("Expected SubscriberCount() == 0, got %d", bb.SubscriberCount())
+	}
+}

dataext/delayedCombiningInvoker.go

@@ -2,12 +2,19 @@ package dataext
 
 import (
 	"context"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
-	"git.blackforestbytes.com/BlackForestBytes/goext/syncext"
 	"sync"
 	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"git.blackforestbytes.com/BlackForestBytes/goext/syncext"
 )
 
+// DelayedCombiningInvoker is a utility to combine multiple consecutive requests into a single execution
+//
+// Requests are made with Request(), and consecutive requests are combined during the `delay` period.
+//
+// Can be used, e.g., for search-controls, where we want to init the search when teh user stops typing
+// Or generally to queue an execution once a burst of requests is over.
 type DelayedCombiningInvoker struct {
 	syncLock           sync.Mutex
 	triggerChan        chan bool
@@ -17,8 +24,13 @@ type DelayedCombiningInvoker struct {
 	delay              time.Duration
 	maxDelay           time.Duration
 	executorRunning    *syncext.AtomicBool
+	pendingRequests    *syncext.Atomic[int]
 	lastRequestTime    time.Time
 	initialRequestTime time.Time
+
+	onExecutionStart []func(immediately bool)          // listener ( actual execution of action starts )
+	onExecutionDone  []func()                          // listener ( actual execution of action finished )
+	onRequest        []func(pending int, initial bool) // listener ( a request came in, waiting for execution )
 }
 
 func NewDelayedCombiningInvoker(action func(), delay time.Duration, maxDelay time.Duration) *DelayedCombiningInvoker {
@@ -27,11 +39,15 @@ func NewDelayedCombiningInvoker(action func(), delay time.Duration, maxDelay tim
 		delay:              delay,
 		maxDelay:           maxDelay,
 		executorRunning:    syncext.NewAtomicBool(false),
+		pendingRequests:    syncext.NewAtomic[int](0),
 		triggerChan:        make(chan bool),
 		cancelChan:         make(chan bool, 1),
 		execNowChan:        make(chan bool, 1),
 		lastRequestTime:    time.Now(),
 		initialRequestTime: time.Now(),
+		onExecutionStart:   make([]func(bool), 0),
+		onExecutionDone:    make([]func(), 0),
+		onRequest:          make([]func(int, bool), 0),
 	}
 }
 
@@ -43,6 +59,11 @@ func (d *DelayedCombiningInvoker) Request() {
 
 	if d.executorRunning.Get() {
 		d.lastRequestTime = now
+		d.pendingRequests.Update(func(v int) int { return v + 1 })
+
+		for _, fn := range d.onRequest {
+			_ = langext.RunPanicSafe(func() { fn(d.pendingRequests.Get(), true) })
+		}
 
 		d.triggerChan <- true
 	} else {
@@ -50,18 +71,28 @@ func (d *DelayedCombiningInvoker) Request() {
 		d.lastRequestTime = now
 
 		d.executorRunning.Set(true)
+		d.pendingRequests.Set(1)
 		syncext.ReadNonBlocking(d.triggerChan) // clear the channel
 		syncext.ReadNonBlocking(d.cancelChan)  // clear the channel
 		syncext.ReadNonBlocking(d.execNowChan) // clear the channel
+
+		for _, fn := range d.onRequest {
+			_ = langext.RunPanicSafe(func() { fn(d.pendingRequests.Get(), false) })
+		}
+
 		go d.run()
 	}
 }
 
 func (d *DelayedCombiningInvoker) run() {
+
+	needsExecutorRunningCleanup := true
 	defer func() {
+		if needsExecutorRunningCleanup {
 			d.syncLock.Lock()
 			d.executorRunning.Set(false)
 			d.syncLock.Unlock()
+		}
 	}()
 
 	for {
@@ -98,8 +129,25 @@ func (d *DelayedCombiningInvoker) run() {
 			continue
 		}
 
+		d.pendingRequests.Set(0)
+
+		for _, fn := range d.onExecutionStart {
+			_ = langext.RunPanicSafe(func() { fn(immediately) })
+		}
+
+		// =================================================
 		_ = langext.RunPanicSafe(d.action)
+		// =================================================
+
+		d.executorRunning.Set(false) // ensure HasPendingRequests returns fals ein onExecutionDone listener
+		needsExecutorRunningCleanup = false
+
+		for _, fn := range d.onExecutionDone {
+			_ = langext.RunPanicSafe(fn)
+		}
+
 		d.syncLock.Unlock()
+
 		return
 	}
 }
@@ -115,6 +163,10 @@ func (d *DelayedCombiningInvoker) HasPendingRequests() bool {
 	return d.executorRunning.Get()
 }
 
+func (d *DelayedCombiningInvoker) CountPendingRequests() int {
+	return d.pendingRequests.Get()
+}
+
 func (d *DelayedCombiningInvoker) ExecuteNow() bool {
 	d.syncLock.Lock()
 	defer d.syncLock.Unlock()
@@ -130,3 +182,21 @@ func (d *DelayedCombiningInvoker) ExecuteNow() bool {
 func (d *DelayedCombiningInvoker) WaitForCompletion(ctx context.Context) error {
 	return d.executorRunning.WaitWithContext(ctx, false)
 }
+
+func (d *DelayedCombiningInvoker) RegisterOnExecutionStart(fn func(immediately bool)) {
+	d.syncLock.Lock()
+	defer d.syncLock.Unlock()
+	d.onExecutionStart = append(d.onExecutionStart, fn)
+}
+
+func (d *DelayedCombiningInvoker) RegisterOnExecutionDone(fn func()) {
+	d.syncLock.Lock()
+	defer d.syncLock.Unlock()
+	d.onExecutionDone = append(d.onExecutionDone, fn)
+}
+
+func (d *DelayedCombiningInvoker) RegisterOnRequest(fn func(pending int, initial bool)) {
+	d.syncLock.Lock()
+	defer d.syncLock.Unlock()
+	d.onRequest = append(d.onRequest, fn)
+}

dataext/multiMutex.go

@@ -0,0 +1,105 @@
+package dataext
+
+import (
+	"context"
+	"sync"
+	"time"
+)
+
+// MultiMutex is a simple map[key -> mutex]
+type MultiMutex[TKey comparable] struct {
+	mutextMap *SyncMap[TKey, *CASMutex]
+}
+
+func NewMultiMutex[TKey comparable]() *MultiMutex[TKey] {
+	return &MultiMutex[TKey]{
+		mutextMap: NewSyncMap[TKey, *CASMutex](),
+	}
+}
+
+// TryLockWithContext attempts to acquire the lock, blocking until resources
+// are available or ctx is done (timeout or cancellation).
+func (mm *MultiMutex[TKey]) TryLockWithContext(ctx context.Context, key TKey) bool {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	return lck.TryLockWithContext(ctx)
+}
+
+// Lock acquires the lock.
+// If it is currently held by others, Lock will wait until it has a chance to acquire it.
+func (mm *MultiMutex[TKey]) Lock(key TKey) {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	lck.Lock()
+}
+
+// TryLock attempts to acquire the lock without blocking.
+// Return false if someone is holding it now.
+func (mm *MultiMutex[TKey]) TryLock(key TKey) bool {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	return lck.TryLock()
+}
+
+// TryLockWithTimeout attempts to acquire the lock within a period of time.
+// Return false if spending time is more than duration and no chance to acquire it.
+func (mm *MultiMutex[TKey]) TryLockWithTimeout(key TKey, duration time.Duration) bool {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	return lck.TryLockWithTimeout(duration)
+}
+
+// Unlock releases the lock.
+func (mm *MultiMutex[TKey]) Unlock(key TKey) {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	lck.Unlock()
+}
+
+// RTryLockWithContext attempts to acquire the read lock, blocking until resources
+// are available or ctx is done (timeout or cancellation).
+func (mm *MultiMutex[TKey]) RTryLockWithContext(ctx context.Context, key TKey) bool {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	return lck.RTryLockWithContext(ctx)
+}
+
+// RLock acquires the read lock.
+// If it is currently held by others writing, RLock will wait until it has a chance to acquire it.
+func (mm *MultiMutex[TKey]) RLock(key TKey) {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	lck.RLock()
+}
+
+// RTryLock attempts to acquire the read lock without blocking.
+// Return false if someone is writing it now.
+func (mm *MultiMutex[TKey]) RTryLock(key TKey) bool {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	return lck.RTryLock()
+}
+
+// RTryLockWithTimeout attempts to acquire the read lock within a period of time.
+// Return false if spending time is more than duration and no chance to acquire it.
+func (mm *MultiMutex[TKey]) RTryLockWithTimeout(duration time.Duration, key TKey) bool {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	return lck.RTryLockWithTimeout(duration)
+}
+
+// RUnlock releases the read lock.
+func (mm *MultiMutex[TKey]) RUnlock(key TKey) {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	lck.RUnlock()
+}
+
+// RLocker returns a Locker interface that implements the Lock and Unlock methods
+// by calling CASMutex.RLock and CASMutex.RUnlock.
+func (mm *MultiMutex[TKey]) RLocker(key TKey) sync.Locker {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	return lck.RLocker()
+}
+
+// Get returns a Locker interface
+func (mm *MultiMutex[TKey]) Get(key TKey) sync.Locker {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	return lck
+}
+
+// GetCAS returns the underlying CASMutex
+func (mm *MultiMutex[TKey]) GetCAS(key TKey) *CASMutex {
+	lck := mm.mutextMap.GetAndSetIfNotContainsFunc(key, NewCASMutex)
+	return lck
+}

dataext/mutexSet.go

@@ -0,0 +1,53 @@
+package dataext
+
+import "sync"
+
+type MutexSet[T comparable] struct {
+	master sync.RWMutex
+	locks  map[T]*sync.RWMutex
+}
+
+func NewMutexSet[T comparable]() *MutexSet[T] {
+	return &MutexSet[T]{
+		master: sync.RWMutex{},
+		locks:  make(map[T]*sync.RWMutex),
+	}
+}
+
+func (ms *MutexSet[T]) get(key T) *sync.RWMutex {
+	ms.master.RLock()
+	if v, ok := ms.locks[key]; ok {
+		ms.master.RUnlock()
+		return v
+	}
+	ms.master.RUnlock()
+
+	// ---------
+
+	ms.master.Lock()
+	defer ms.master.Unlock()
+
+	if v, ok := ms.locks[key]; ok {
+		return v
+	}
+
+	m := &sync.RWMutex{}
+	ms.locks[key] = m
+	return m
+}
+
+func (ms *MutexSet[T]) Lock(key T) {
+	ms.get(key).Lock()
+}
+
+func (ms *MutexSet[T]) Unlock(key T) {
+	ms.get(key).Unlock()
+}
+
+func (ms *MutexSet[T]) RLock(key T) {
+	ms.get(key).RLock()
+}
+
+func (ms *MutexSet[T]) RUnlock(key T) {
+	ms.get(key).RUnlock()
+}

dataext/pubsub.go

@@ -0,0 +1,267 @@
+package dataext
+
+import (
+	"context"
+	"iter"
+	"sync"
+	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"git.blackforestbytes.com/BlackForestBytes/goext/syncext"
+	"github.com/rs/xid"
+)
+
+// PubSub is a simple Pub/Sub Broker
+// Clients can subscribe to a namespace and receive published messages on this namespace
+// Messages are broadcast to all subscribers
+type PubSub[TNamespace comparable, TData any] struct {
+	masterLock *sync.Mutex
+
+	subscriptions map[TNamespace][]*pubSubSubscription[TNamespace, TData]
+}
+
+type PubSubSubscription interface {
+	Unsubscribe()
+}
+
+type pubSubSubscription[TNamespace comparable, TData any] struct {
+	ID string
+
+	parent    *PubSub[TNamespace, TData]
+	namespace TNamespace
+
+	subLock *sync.Mutex
+
+	Func func(TData)
+	Chan chan TData
+
+	UnsubChan chan bool
+}
+
+func (p *pubSubSubscription[TNamespace, TData]) Unsubscribe() {
+	p.parent.unsubscribe(p)
+}
+
+func NewPubSub[TNamespace comparable, TData any](capacity int) *PubSub[TNamespace, TData] {
+	return &PubSub[TNamespace, TData]{
+		masterLock:    &sync.Mutex{},
+		subscriptions: make(map[TNamespace][]*pubSubSubscription[TNamespace, TData], capacity),
+	}
+}
+
+func (ps *PubSub[TNamespace, TData]) Namespaces() []TNamespace {
+	ps.masterLock.Lock()
+	defer ps.masterLock.Unlock()
+
+	return langext.MapKeyArr(ps.subscriptions)
+}
+
+func (ps *PubSub[TNamespace, TData]) SubscriberCount(ns TNamespace) int {
+	ps.masterLock.Lock()
+	defer ps.masterLock.Unlock()
+
+	return len(ps.subscriptions[ns])
+}
+
+// Publish sends `data` to all subscriber
+// But unbuffered - if one is currently not listening, we skip (the actualReceiver < subscriber)
+func (ps *PubSub[TNamespace, TData]) Publish(ns TNamespace, data TData) (subscriber int, actualReceiver int) {
+	ps.masterLock.Lock()
+	subs := langext.ArrCopy(ps.subscriptions[ns])
+	ps.masterLock.Unlock()
+
+	subscriber = len(subs)
+	actualReceiver = 0
+
+	for _, sub := range subs {
+		func() {
+			sub.subLock.Lock()
+			defer sub.subLock.Unlock()
+
+			if sub.Func != nil {
+				go func() { sub.Func(data) }()
+				actualReceiver++
+			} else if sub.Chan != nil {
+				msgSent := syncext.WriteNonBlocking(sub.Chan, data)
+				if msgSent {
+					actualReceiver++
+				}
+			}
+		}()
+	}
+
+	return subscriber, actualReceiver
+}
+
+// PublishWithContext sends `data` to all subscriber
+// buffered - if one is currently not listening, we wait (but error out when the context runs out)
+func (ps *PubSub[TNamespace, TData]) PublishWithContext(ctx context.Context, ns TNamespace, data TData) (subscriber int, actualReceiver int, err error) {
+	ps.masterLock.Lock()
+	subs := langext.ArrCopy(ps.subscriptions[ns])
+	ps.masterLock.Unlock()
+
+	subscriber = len(subs)
+	actualReceiver = 0
+
+	for _, sub := range subs {
+		err := func() error {
+			sub.subLock.Lock()
+			defer sub.subLock.Unlock()
+
+			if err := ctx.Err(); err != nil {
+				return err
+			}
+
+			if sub.Func != nil {
+				go func() { sub.Func(data) }()
+				actualReceiver++
+			} else if sub.Chan != nil {
+				err := syncext.WriteChannelWithContext(ctx, sub.Chan, data)
+				if err != nil {
+					return err
+				}
+				actualReceiver++
+			}
+
+			return nil
+		}()
+		if err != nil {
+			return subscriber, actualReceiver, err
+		}
+	}
+
+	return subscriber, actualReceiver, nil
+}
+
+// PublishWithTimeout sends `data` to all subscriber
+// buffered - if one is currently not listening, we wait (but wait at most `timeout` - if the timeout is exceeded then actualReceiver < subscriber)
+func (ps *PubSub[TNamespace, TData]) PublishWithTimeout(ns TNamespace, data TData, timeout time.Duration) (subscriber int, actualReceiver int) {
+	ps.masterLock.Lock()
+	subs := langext.ArrCopy(ps.subscriptions[ns])
+	ps.masterLock.Unlock()
+
+	subscriber = len(subs)
+	actualReceiver = 0
+
+	for _, sub := range subs {
+		func() {
+			sub.subLock.Lock()
+			defer sub.subLock.Unlock()
+
+			if sub.Func != nil {
+				go func() { sub.Func(data) }()
+				actualReceiver++
+			} else if sub.Chan != nil {
+				ok := syncext.WriteChannelWithTimeout(sub.Chan, data, timeout)
+				if ok {
+					actualReceiver++
+				}
+			}
+		}()
+	}
+
+	return subscriber, actualReceiver
+}
+
+// PublishAsync sends `data` to all subscriber
+// does not wait for subscriber (this method returns immediately), waits at most {timeout} seconds on channels (async)
+func (ps *PubSub[TNamespace, TData]) PublishAsync(ns TNamespace, data TData, timeout time.Duration) (subscriber int) {
+	ps.masterLock.Lock()
+	subs := langext.ArrCopy(ps.subscriptions[ns])
+	ps.masterLock.Unlock()
+
+	subscriber = len(subs)
+
+	for _, sub := range subs {
+		go func() {
+			sub.subLock.Lock()
+			defer sub.subLock.Unlock()
+
+			if sub.Func != nil {
+				go func() { sub.Func(data) }()
+			} else if sub.Chan != nil {
+				_ = syncext.WriteChannelWithTimeout(sub.Chan, data, timeout)
+			}
+		}()
+	}
+
+	return subscriber
+}
+
+func (ps *PubSub[TNamespace, TData]) SubscribeByCallback(ns TNamespace, fn func(TData)) PubSubSubscription {
+	ps.masterLock.Lock()
+	defer ps.masterLock.Unlock()
+
+	sub := &pubSubSubscription[TNamespace, TData]{ID: xid.New().String(), namespace: ns, parent: ps, subLock: &sync.Mutex{}, Func: fn, UnsubChan: nil}
+
+	ps.subscriptions[ns] = append(ps.subscriptions[ns], sub)
+
+	return sub
+}
+
+func (ps *PubSub[TNamespace, TData]) SubscribeByChan(ns TNamespace, chanBufferSize int) (chan TData, PubSubSubscription) {
+	ps.masterLock.Lock()
+	defer ps.masterLock.Unlock()
+
+	msgCh := make(chan TData, chanBufferSize)
+
+	sub := &pubSubSubscription[TNamespace, TData]{ID: xid.New().String(), namespace: ns, parent: ps, subLock: &sync.Mutex{}, Chan: msgCh, UnsubChan: nil}
+
+	ps.subscriptions[ns] = append(ps.subscriptions[ns], sub)
+
+	return msgCh, sub
+}
+
+func (ps *PubSub[TNamespace, TData]) SubscribeByIter(ns TNamespace, chanBufferSize int) (iter.Seq[TData], PubSubSubscription) {
+	ps.masterLock.Lock()
+	defer ps.masterLock.Unlock()
+
+	msgCh := make(chan TData, chanBufferSize)
+	unsubChan := make(chan bool, 8)
+
+	sub := &pubSubSubscription[TNamespace, TData]{ID: xid.New().String(), namespace: ns, parent: ps, subLock: &sync.Mutex{}, Chan: msgCh, UnsubChan: unsubChan}
+
+	ps.subscriptions[ns] = append(ps.subscriptions[ns], sub)
+
+	iterFun := func(yield func(TData) bool) {
+		for {
+			select {
+			case msg := <-msgCh:
+				if !yield(msg) {
+					sub.Unsubscribe()
+					return
+				}
+			case <-sub.UnsubChan:
+				sub.Unsubscribe()
+				return
+			}
+		}
+	}
+
+	return iterFun, sub
+}
+
+func (ps *PubSub[TNamespace, TData]) unsubscribe(p *pubSubSubscription[TNamespace, TData]) {
+	ps.masterLock.Lock()
+	defer ps.masterLock.Unlock()
+
+	p.subLock.Lock()
+	defer p.subLock.Unlock()
+
+	if p.Chan != nil {
+		close(p.Chan)
+		p.Chan = nil
+	}
+	if p.UnsubChan != nil {
+		syncext.WriteNonBlocking(p.UnsubChan, true)
+		close(p.UnsubChan)
+		p.UnsubChan = nil
+	}
+
+	ps.subscriptions[p.namespace] = langext.ArrFilter(ps.subscriptions[p.namespace], func(v *pubSubSubscription[TNamespace, TData]) bool {
+		return v.ID != p.ID
+	})
+	if len(ps.subscriptions[p.namespace]) == 0 {
+		delete(ps.subscriptions, p.namespace)
+	}
+}

dataext/pubsub_test.go

@@ -0,0 +1,428 @@
+package dataext
+
+import (
+	"context"
+	"sync"
+	"testing"
+	"time"
+)
+
+func TestNewPubSub(t *testing.T) {
+	ps := NewPubSub[string, string](10)
+	if ps == nil {
+		t.Fatal("NewPubSub returned nil")
+	}
+	if ps.masterLock == nil {
+		t.Fatal("masterLock is nil")
+	}
+	if ps.subscriptions == nil {
+		t.Fatal("subscriptions is nil")
+	}
+}
+
+func TestPubSub_Namespaces(t *testing.T) {
+	ps := NewPubSub[string, string](10)
+
+	// Initially no namespaces
+	namespaces := ps.Namespaces()
+	if len(namespaces) != 0 {
+		t.Fatalf("Expected 0 namespaces, got %d", len(namespaces))
+	}
+
+	// Add a subscription to create a namespace
+	_, sub1 := ps.SubscribeByChan("test-ns1", 1)
+	defer sub1.Unsubscribe()
+
+	// Add another subscription to a different namespace
+	_, sub2 := ps.SubscribeByChan("test-ns2", 1)
+	defer sub2.Unsubscribe()
+
+	// Check namespaces
+	namespaces = ps.Namespaces()
+	if len(namespaces) != 2 {
+		t.Fatalf("Expected 2 namespaces, got %d", len(namespaces))
+	}
+
+	// Check if namespaces contain the expected values
+	found1, found2 := false, false
+	for _, ns := range namespaces {
+		if ns == "test-ns1" {
+			found1 = true
+		}
+		if ns == "test-ns2" {
+			found2 = true
+		}
+	}
+
+	if !found1 || !found2 {
+		t.Fatalf("Expected to find both namespaces, found ns1: %v, ns2: %v", found1, found2)
+	}
+}
+
+func TestPubSub_SubscribeByCallback(t *testing.T) {
+	ps := NewPubSub[string, string](10)
+
+	var received string
+	var wg sync.WaitGroup
+	wg.Add(1)
+
+	callback := func(msg string) {
+		received = msg
+		wg.Done()
+	}
+
+	sub := ps.SubscribeByCallback("test-ns", callback)
+	defer sub.Unsubscribe()
+
+	// Publish a message
+	subs, receivers := ps.Publish("test-ns", "hello")
+
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+
+	if receivers != 1 {
+		t.Fatalf("Expected 1 receiver, got %d", receivers)
+	}
+
+	// Wait for the callback to be executed
+	wg.Wait()
+
+	if received != "hello" {
+		t.Fatalf("Expected to receive 'hello', got '%s'", received)
+	}
+}
+
+func TestPubSub_SubscribeByChan(t *testing.T) {
+	ps := NewPubSub[string, string](10)
+
+	ch, sub := ps.SubscribeByChan("test-ns", 1)
+	defer sub.Unsubscribe()
+
+	// Publish a message
+	subs, receivers := ps.Publish("test-ns", "hello")
+
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+
+	if receivers != 1 {
+		t.Fatalf("Expected 1 receiver, got %d", receivers)
+	}
+
+	// Read from the channel with a timeout to avoid blocking
+	select {
+	case msg := <-ch:
+		if msg != "hello" {
+			t.Fatalf("Expected to receive 'hello', got '%s'", msg)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message")
+	}
+}
+
+func TestPubSub_SubscribeByIter(t *testing.T) {
+	ps := NewPubSub[string, string](10)
+
+	iterSeq, sub := ps.SubscribeByIter("test-ns", 1)
+	defer sub.Unsubscribe()
+
+	// Channel to communicate when message is received
+	done := make(chan bool)
+	received := false
+
+	// Start a goroutine to use the iterator
+	go func() {
+		for msg := range iterSeq {
+			if msg == "hello" {
+				received = true
+				done <- true
+				return // Stop iteration
+			}
+		}
+	}()
+
+	// Give time for the iterator to start
+	time.Sleep(100 * time.Millisecond)
+
+	// Publish a message
+	ps.Publish("test-ns", "hello")
+
+	// Wait for the message to be received or timeout
+	select {
+	case <-done:
+		if !received {
+			t.Fatal("Message was received but not 'hello'")
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message")
+	}
+
+	subCount := ps.SubscriberCount("test-ns")
+	if subCount != 0 {
+		t.Fatalf("Expected 0 receivers, got %d", subCount)
+	}
+}
+
+func TestPubSub_Publish(t *testing.T) {
+	ps := NewPubSub[string, string](10)
+
+	// Test publishing to a namespace with no subscribers
+	subs, receivers := ps.Publish("empty-ns", "hello")
+	if subs != 0 {
+		t.Fatalf("Expected 0 subscribers, got %d", subs)
+	}
+	if receivers != 0 {
+		t.Fatalf("Expected 0 receivers, got %d", receivers)
+	}
+
+	// Add a subscriber
+	ch, sub := ps.SubscribeByChan("test-ns", 1)
+	defer sub.Unsubscribe()
+
+	// Publish a message
+	subs, receivers = ps.Publish("test-ns", "hello")
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+	if receivers != 1 {
+		t.Fatalf("Expected 1 receiver, got %d", receivers)
+	}
+
+	// Verify the message was received
+	select {
+	case msg := <-ch:
+		if msg != "hello" {
+			t.Fatalf("Expected to receive 'hello', got '%s'", msg)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message")
+	}
+
+	// Test non-blocking behavior with a full channel
+	// First fill the channel
+	ps.Publish("test-ns", "fill")
+
+	// Now publish again - this should not block but skip the receiver
+	subs, receivers = ps.Publish("test-ns", "overflow")
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+	// The receiver count might be 0 if the channel is full
+
+	// Drain the channel
+	<-ch
+}
+
+func TestPubSub_PublishWithTimeout(t *testing.T) {
+	ps := NewPubSub[string, string](10)
+
+	// Add a subscriber with a channel
+	ch, sub := ps.SubscribeByChan("test-ns", 1)
+	defer sub.Unsubscribe()
+
+	// Publish with a timeout
+	subs, receivers := ps.PublishWithTimeout("test-ns", "hello", 100*time.Millisecond)
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+	if receivers != 1 {
+		t.Fatalf("Expected 1 receiver, got %d", receivers)
+	}
+
+	// Verify the message was received
+	select {
+	case msg := <-ch:
+		if msg != "hello" {
+			t.Fatalf("Expected to receive 'hello', got '%s'", msg)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message")
+	}
+
+	// Fill the channel
+	ps.Publish("test-ns", "fill")
+
+	// Test timeout behavior with a full channel
+	start := time.Now()
+	subs, receivers = ps.PublishWithTimeout("test-ns", "timeout-test", 50*time.Millisecond)
+	elapsed := time.Since(start)
+
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+
+	// The receiver count should be 0 if the timeout occurred
+	if elapsed < 50*time.Millisecond {
+		t.Fatalf("Expected to wait at least 50ms, only waited %v", elapsed)
+	}
+
+	// Drain the channel
+	<-ch
+}
+
+func TestPubSub_PublishWithContext(t *testing.T) {
+	ps := NewPubSub[string, string](10)
+
+	// Add a subscriber with a channel
+	ch, sub := ps.SubscribeByChan("test-ns", 1)
+	defer sub.Unsubscribe()
+
+	// Create a context
+	ctx, cancel := context.WithTimeout(context.Background(), 100*time.Millisecond)
+	defer cancel()
+
+	// Publish with context
+	subs, receivers, err := ps.PublishWithContext(ctx, "test-ns", "hello")
+	if err != nil {
+		t.Fatalf("Unexpected error: %v", err)
+	}
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+	if receivers != 1 {
+		t.Fatalf("Expected 1 receiver, got %d", receivers)
+	}
+
+	// Verify the message was received
+	select {
+	case msg := <-ch:
+		if msg != "hello" {
+			t.Fatalf("Expected to receive 'hello', got '%s'", msg)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message")
+	}
+
+	// Fill the channel
+	ps.Publish("test-ns", "fill")
+
+	// Test context cancellation with a full channel
+	ctx, cancel = context.WithCancel(context.Background())
+
+	// Cancel the context after a short delay
+	go func() {
+		time.Sleep(50 * time.Millisecond)
+		cancel()
+	}()
+
+	start := time.Now()
+	subs, receivers, err = ps.PublishWithContext(ctx, "test-ns", "context-test")
+	elapsed := time.Since(start)
+
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+
+	// Should get a context canceled error
+	if err == nil {
+		t.Fatal("Expected context canceled error, got nil")
+	}
+
+	if elapsed < 50*time.Millisecond {
+		t.Fatalf("Expected to wait at least 50ms, only waited %v", elapsed)
+	}
+
+	// Drain the channel
+	<-ch
+}
+
+func TestPubSub_Unsubscribe(t *testing.T) {
+	ps := NewPubSub[string, string](10)
+
+	// Add a subscriber
+	ch, sub := ps.SubscribeByChan("test-ns", 1)
+
+	// Publish a message
+	subs, receivers := ps.Publish("test-ns", "hello")
+	if subs != 1 {
+		t.Fatalf("Expected 1 subscriber, got %d", subs)
+	}
+	if receivers != 1 {
+		t.Fatalf("Expected 1 receiver, got %d", receivers)
+	}
+
+	// Verify the message was received
+	select {
+	case msg := <-ch:
+		if msg != "hello" {
+			t.Fatalf("Expected to receive 'hello', got '%s'", msg)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message")
+	}
+
+	// Unsubscribe
+	sub.Unsubscribe()
+
+	// Publish again
+	subs, receivers = ps.Publish("test-ns", "after-unsub")
+	if subs != 0 {
+		t.Fatalf("Expected 0 subscribers after unsubscribe, got %d", subs)
+	}
+	if receivers != 0 {
+		t.Fatalf("Expected 0 receivers after unsubscribe, got %d", receivers)
+	}
+
+	// Check that the namespace is removed
+	namespaces := ps.Namespaces()
+	if len(namespaces) != 0 {
+		t.Fatalf("Expected 0 namespaces after unsubscribe, got %d", len(namespaces))
+	}
+}
+
+func TestPubSub_MultipleSubscribers(t *testing.T) {
+	ps := NewPubSub[string, string](10)
+
+	// Add multiple subscribers
+	ch1, sub1 := ps.SubscribeByChan("test-ns", 1)
+	defer sub1.Unsubscribe()
+
+	ch2, sub2 := ps.SubscribeByChan("test-ns", 1)
+	defer sub2.Unsubscribe()
+
+	var received string
+	var wg sync.WaitGroup
+	wg.Add(1)
+
+	sub3 := ps.SubscribeByCallback("test-ns", func(msg string) {
+		received = msg
+		wg.Done()
+	})
+	defer sub3.Unsubscribe()
+
+	// Publish a message
+	subs, receivers := ps.Publish("test-ns", "hello")
+	if subs != 3 {
+		t.Fatalf("Expected 3 subscribers, got %d", subs)
+	}
+	if receivers != 3 {
+		t.Fatalf("Expected 3 receivers, got %d", receivers)
+	}
+
+	// Verify the message was received by all subscribers
+	select {
+	case msg := <-ch1:
+		if msg != "hello" {
+			t.Fatalf("Expected ch1 to receive 'hello', got '%s'", msg)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message on ch1")
+	}
+
+	select {
+	case msg := <-ch2:
+		if msg != "hello" {
+			t.Fatalf("Expected ch2 to receive 'hello', got '%s'", msg)
+		}
+	case <-time.After(time.Second):
+		t.Fatal("Timed out waiting for message on ch2")
+	}
+
+	// Wait for the callback
+	wg.Wait()
+
+	if received != "hello" {
+		t.Fatalf("Expected callback to receive 'hello', got '%s'", received)
+	}
+}

dataext/syncMap.go

@@ -2,6 +2,8 @@ package dataext
 
 import "sync"
 
+// SyncMap is a thread-safe map implementation for generic key-value pairs.
+// All functions aresafe to be called in parallel.
 type SyncMap[TKey comparable, TData any] struct {
 	data map[TKey]TData
 	lock sync.Mutex
@@ -11,6 +13,7 @@ func NewSyncMap[TKey comparable, TData any]() *SyncMap[TKey, TData] {
 	return &SyncMap[TKey, TData]{data: make(map[TKey]TData), lock: sync.Mutex{}}
 }
 
+// Set sets the value for the provided key
 func (s *SyncMap[TKey, TData]) Set(key TKey, data TData) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -22,6 +25,7 @@ func (s *SyncMap[TKey, TData]) Set(key TKey, data TData) {
 	s.data[key] = data
 }
 
+// SetIfNotContains sets the value for the provided key if it does not already exist
 func (s *SyncMap[TKey, TData]) SetIfNotContains(key TKey, data TData) bool {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -39,6 +43,7 @@ func (s *SyncMap[TKey, TData]) SetIfNotContains(key TKey, data TData) bool {
 	return true
 }
 
+// SetIfNotContainsFunc sets the value for the provided key using the provided function
 func (s *SyncMap[TKey, TData]) SetIfNotContainsFunc(key TKey, data func() TData) bool {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -56,6 +61,7 @@ func (s *SyncMap[TKey, TData]) SetIfNotContainsFunc(key TKey, data func() TData)
 	return true
 }
 
+// Get retrieves the value for the provided key
 func (s *SyncMap[TKey, TData]) Get(key TKey) (TData, bool) {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -71,6 +77,8 @@ func (s *SyncMap[TKey, TData]) Get(key TKey) (TData, bool) {
 	}
 }
 
+// GetAndSetIfNotContains returns the existing value if the key exists.
+// Otherwise, it sets the provided value and returns it.
 func (s *SyncMap[TKey, TData]) GetAndSetIfNotContains(key TKey, data TData) TData {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -87,6 +95,8 @@ func (s *SyncMap[TKey, TData]) GetAndSetIfNotContains(key TKey, data TData) TDat
 	}
 }
 
+// GetAndSetIfNotContainsFunc returns the existing value if the key exists.
+// Otherwise, it calls the provided function to generate the value, sets it, and returns it.
 func (s *SyncMap[TKey, TData]) GetAndSetIfNotContainsFunc(key TKey, data func() TData) TData {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -104,6 +114,7 @@ func (s *SyncMap[TKey, TData]) GetAndSetIfNotContainsFunc(key TKey, data func()
 	}
 }
 
+// Delete removes the entry with the provided key and returns true if the key existed before.
 func (s *SyncMap[TKey, TData]) Delete(key TKey) bool {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -119,6 +130,7 @@ func (s *SyncMap[TKey, TData]) Delete(key TKey) bool {
 	return ok
 }
 
+// DeleteIf deletes all entries that match the provided function and returns the number of removed entries.
 func (s *SyncMap[TKey, TData]) DeleteIf(fn func(key TKey, data TData) bool) int {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -138,6 +150,42 @@ func (s *SyncMap[TKey, TData]) DeleteIf(fn func(key TKey, data TData) bool) int
 	return rm
 }
 
+// UpdateIfExists updates the value if the key exists, otherwise it does nothing.
+func (s *SyncMap[TKey, TData]) UpdateIfExists(key TKey, fn func(data TData) TData) bool {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	if s.data == nil {
+		s.data = make(map[TKey]TData)
+	}
+
+	if v, ok := s.data[key]; ok {
+		s.data[key] = fn(v)
+		return true
+	} else {
+		return false
+	}
+}
+
+// UpdateOrInsert updates the value if the key exists, otherwise it inserts the provided `insertValue`.
+func (s *SyncMap[TKey, TData]) UpdateOrInsert(key TKey, fn func(data TData) TData, insertValue TData) bool {
+	s.lock.Lock()
+	defer s.lock.Unlock()
+
+	if s.data == nil {
+		s.data = make(map[TKey]TData)
+	}
+
+	if v, ok := s.data[key]; ok {
+		s.data[key] = fn(v)
+		return true
+	} else {
+		s.data[key] = insertValue
+		return false
+	}
+}
+
+// Clear removes all entries from the map.
 func (s *SyncMap[TKey, TData]) Clear() {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -145,6 +193,7 @@ func (s *SyncMap[TKey, TData]) Clear() {
 	s.data = make(map[TKey]TData)
 }
 
+// Contains checks if the map contains the provided key.
 func (s *SyncMap[TKey, TData]) Contains(key TKey) bool {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -158,6 +207,7 @@ func (s *SyncMap[TKey, TData]) Contains(key TKey) bool {
 	return ok
 }
 
+// GetAllKeys returns a copy (!) of all keys in the map.
 func (s *SyncMap[TKey, TData]) GetAllKeys() []TKey {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -175,6 +225,7 @@ func (s *SyncMap[TKey, TData]) GetAllKeys() []TKey {
 	return r
 }
 
+// GetAllValues returns a copy (!) of all values in the map.
 func (s *SyncMap[TKey, TData]) GetAllValues() []TData {
 	s.lock.Lock()
 	defer s.lock.Unlock()
@@ -192,6 +243,7 @@ func (s *SyncMap[TKey, TData]) GetAllValues() []TData {
 	return r
 }
 
+// Count returns the number of entries in the map.
 func (s *SyncMap[TKey, TData]) Count() int {
 	s.lock.Lock()
 	defer s.lock.Unlock()

enums/enum.go

@@ -1,5 +1,7 @@
 package enums
 
+import "encoding/json"
+
 type Enum interface {
 	Valid() bool
 	ValuesAny() []any
@@ -31,3 +33,25 @@ type EnumDescriptionMetaValue struct {
 	Value       Enum   `json:"value"`
 	Description string `json:"description"`
 }
+
+type EnumDataMetaValue struct {
+	VarName     string  `json:"varName"`
+	Value       Enum    `json:"value"`
+	Description *string `json:"description"`
+
+	Data map[string]any `json:"-"` //handled by MarshalJSON
+}
+
+func (v EnumDataMetaValue) MarshalJSON() ([]byte, error) {
+	m := make(map[string]any, 8)
+
+	for k, dv := range v.Data {
+		m[k] = dv
+	}
+
+	m["varName"] = v.VarName
+	m["value"] = v.Value
+	m["description"] = v.Description
+
+	return json.Marshal(m)
+}

excelext/mapper.go

@@ -0,0 +1,300 @@
+package excelext
+
+import (
+	"reflect"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/dataext"
+	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	excelize360 "github.com/360EntSecGroup-Skylar/excelize"
+	"github.com/xuri/excelize/v2"
+)
+
+type excelMapperColDefinition[T any] struct {
+	style  *int
+	header string
+	width  *float64
+	fn     func(T) (any, error)
+}
+
+type ExcelMapper[T any] struct {
+	StyleDate       *int
+	StyleDatetime   *int
+	StyleEUR        *int
+	StylePercentage *int
+	StyleHeader     *int
+	StyleWSHeader   *int
+
+	SkipColumnHeader bool
+
+	sheetName      string
+	wsHeader       []dataext.Tuple[string, *int]
+	colDefinitions []excelMapperColDefinition[T]
+	colFilter      []func(v T) bool
+}
+
+func NewExcelMapper[T any]() (*ExcelMapper[T], error) {
+
+	em := &ExcelMapper[T]{
+		StyleDate:       nil,
+		StyleDatetime:   nil,
+		StyleEUR:        nil,
+		StylePercentage: nil,
+		StyleHeader:     nil,
+		StyleWSHeader:   nil,
+		sheetName:       "",
+
+		SkipColumnHeader: false,
+
+		wsHeader:       make([]dataext.Tuple[string, *int], 0),
+		colDefinitions: make([]excelMapperColDefinition[T], 0),
+	}
+
+	return em, nil
+}
+
+func (em *ExcelMapper[T]) InitNewFile(sheetName string) (*excelize.File, error) {
+	f := excelize.NewFile()
+
+	defSheet := f.GetSheetList()[0]
+
+	sheet1 := sheetName
+
+	sheetIdx, err := f.NewSheet(sheet1)
+	if err != nil {
+		return nil, err
+	}
+
+	f.SetActiveSheet(sheetIdx)
+	err = f.DeleteSheet(defSheet)
+
+	err = em.InitStyles(f)
+	if err != nil {
+		return nil, err
+	}
+
+	return f, nil
+}
+
+func (em *ExcelMapper[T]) InitStyles(f *excelize.File) error {
+	styleDate, err := f.NewStyle(&excelize.Style{
+		CustomNumFmt: langext.Ptr("dd.mm.yyyy"),
+	})
+	if err != nil {
+		return err
+	}
+
+	styleDatetime, err := f.NewStyle(&excelize.Style{
+		NumFmt: 22,
+	})
+	if err != nil {
+		return err
+	}
+
+	styleEUR, err := f.NewStyle(&excelize.Style{
+		NumFmt: 218,
+	})
+	if err != nil {
+		return err
+	}
+
+	stylePercentage, err := f.NewStyle(&excelize.Style{
+		NumFmt: 10,
+	})
+	if err != nil {
+		return err
+	}
+
+	styleHeader, err := f.NewStyle(&excelize.Style{
+		Font: &excelize.Font{Bold: true, Size: 11},
+	})
+	if err != nil {
+		return err
+	}
+
+	styleWSHeader, err := f.NewStyle(&excelize.Style{
+		Font: &excelize.Font{Bold: true, Size: 24},
+	})
+	if err != nil {
+		return err
+	}
+
+	em.StyleDate = &styleDate
+	em.StyleDatetime = &styleDatetime
+	em.StyleEUR = &styleEUR
+	em.StylePercentage = &stylePercentage
+	em.StyleHeader = &styleHeader
+	em.StyleWSHeader = &styleWSHeader
+
+	return nil
+}
+
+func (em *ExcelMapper[T]) AddWorksheetHeader(header string, style *int) {
+	em.wsHeader = append(em.wsHeader, dataext.NewTuple(header, style))
+}
+
+func (em *ExcelMapper[T]) AddColumn(header string, style *int, width *float64, fn func(T) any) {
+	em.colDefinitions = append(em.colDefinitions, excelMapperColDefinition[T]{
+		style:  style,
+		header: header,
+		width:  width,
+		fn:     func(t T) (any, error) { return fn(t), nil },
+	})
+}
+
+func (em *ExcelMapper[T]) AddColumnErr(header string, style *int, width *float64, fn func(T) (any, error)) {
+	em.colDefinitions = append(em.colDefinitions, excelMapperColDefinition[T]{
+		style:  style,
+		header: header,
+		width:  width,
+		fn:     fn,
+	})
+}
+
+func (em *ExcelMapper[T]) Build(sheetName string, data []T) ([]byte, error) {
+	f, err := em.InitNewFile(sheetName)
+	if err != nil {
+		return nil, exerr.Wrap(err, "failed to init new file").Build()
+	}
+
+	err = em.BuildSingleSheet(f, sheetName, data)
+	if err != nil {
+		return nil, exerr.Wrap(err, "").Build()
+	}
+
+	buffer, err := f.WriteToBuffer()
+	if err != nil {
+		return nil, exerr.Wrap(err, "failed to build xls").Build()
+	}
+
+	return buffer.Bytes(), nil
+}
+
+func (em *ExcelMapper[T]) BuildSingleSheet(f *excelize.File, sheetName string, data []T) error {
+	if em.StyleHeader == nil || em.StyleDate == nil || em.StyleDatetime == nil || em.StyleEUR == nil || em.StylePercentage == nil || em.StyleWSHeader == nil {
+		err := em.InitStyles(f)
+		if err != nil {
+			return exerr.Wrap(err, "failed to init styles").Build()
+		}
+	}
+
+	rowOffset := 0
+
+	if len(em.wsHeader) > 0 {
+		for range em.wsHeader {
+			rowOffset += 1
+		}
+		rowOffset += 1
+	}
+
+	if !em.SkipColumnHeader {
+		for i, col := range em.colDefinitions {
+			err := f.SetCellValue(sheetName, c(rowOffset+1, i), col.header)
+			if err != nil {
+				return err
+			}
+		}
+	}
+
+	for i, col := range em.colDefinitions {
+		if col.style != nil {
+			err := f.SetColStyle(sheetName, excelize360.ToAlphaString(i), *col.style)
+			if err != nil {
+				return err
+			}
+		}
+	}
+
+	for i, col := range em.colDefinitions {
+		if col.width != nil {
+			err := f.SetColWidth(sheetName, excelize360.ToAlphaString(i), excelize360.ToAlphaString(i), *col.width)
+			if err != nil {
+				return err
+			}
+		}
+	}
+
+	err := f.SetRowStyle(sheetName, rowOffset+1, rowOffset+1, *em.StyleHeader)
+	if err != nil {
+		return err
+	}
+
+	if len(em.wsHeader) > 0 {
+		for i, hdr := range em.wsHeader {
+			style := *langext.CoalesceOpt(hdr.V2, em.StyleWSHeader)
+
+			err = f.SetCellValue(sheetName, c(i+1, 0), hdr.V1)
+			if err != nil {
+				return err
+			}
+
+			err = f.MergeCell(sheetName, c(i+1, 0), c(i+1, len(em.colDefinitions)-1))
+			if err != nil {
+				return err
+			}
+
+			err = f.SetRowStyle(sheetName, 1, 1, style)
+			if err != nil {
+				return err
+			}
+		}
+	}
+
+	iRow := rowOffset + 1
+	if !em.SkipColumnHeader {
+		iRow += 1
+	}
+
+	for _, dat := range data {
+
+		skip := false
+		for _, filter := range em.colFilter {
+			if !filter(dat) {
+				skip = true
+				break
+			}
+		}
+		if skip {
+			continue
+		}
+
+		for iCol, col := range em.colDefinitions {
+
+			cellVal, err := col.fn(dat)
+			if err != nil {
+				return err
+			}
+
+			for reflect.ValueOf(cellVal).Kind() == reflect.Pointer && !reflect.ValueOf(cellVal).IsNil() {
+				cellVal = reflect.ValueOf(cellVal).Elem().Interface()
+			}
+
+			if langext.IsNil(cellVal) {
+				err = f.SetCellValue(sheetName, c(iRow, iCol), "")
+				if err != nil {
+					return err
+				}
+			} else {
+				err = f.SetCellValue(sheetName, c(iRow, iCol), cellVal)
+				if err != nil {
+					return err
+				}
+			}
+
+		}
+
+		iRow++
+	}
+
+	//for i, col := range em.colDefinitions {
+	//	if col.width == nil {
+	//		//TODO https://github.com/qax-os/excelize/pull/1386
+	//	}
+	//}
+
+	return nil
+}
+
+func (em *ExcelMapper[T]) AddFilter(f func(v T) bool) {
+	em.colFilter = append(em.colFilter, f)
+}

excelext/utils.go

@@ -0,0 +1,26 @@
+package excelext
+
+import (
+	"strconv"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/rfctime"
+	"github.com/360EntSecGroup-Skylar/excelize"
+)
+
+func c(row int, col int) string {
+	return excelize.ToAlphaString(col) + strconv.Itoa(row)
+}
+
+func excelizeOptTime(t *rfctime.RFC3339NanoTime) any {
+	if t == nil {
+		return ""
+	}
+	return t.Time()
+}
+
+func excelizeOptDate(t *rfctime.Date) any {
+	if t == nil {
+		return ""
+	}
+	return t.TimeUTC()
+}

exerr/builder.go

@@ -5,17 +5,18 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"git.blackforestbytes.com/BlackForestBytes/goext/dataext"
-	"git.blackforestbytes.com/BlackForestBytes/goext/enums"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
-	"github.com/gin-gonic/gin"
-	"github.com/rs/zerolog"
-	"go.mongodb.org/mongo-driver/bson/primitive"
 	"net/http"
 	"os"
 	"runtime/debug"
 	"strings"
 	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/dataext"
+	"git.blackforestbytes.com/BlackForestBytes/goext/enums"
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"github.com/gin-gonic/gin"
+	"github.com/rs/zerolog"
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
 //
@@ -252,7 +253,7 @@ func (b *Builder) Bytes(key string, val []byte) *Builder {
 	return b.addMeta(key, MDTBytes, val)
 }
 
-func (b *Builder) ObjectID(key string, val primitive.ObjectID) *Builder {
+func (b *Builder) ObjectID(key string, val bson.ObjectID) *Builder {
 	return b.addMeta(key, MDTObjectID, val)
 }
 
@@ -430,12 +431,22 @@ func (b *Builder) BuildAsExerr(ctxs ...context.Context) *ExErr {
 		return FromError(b.wrappedErr)
 	}
 
-	if pkgconfig.ZeroLogErrTraces && !b.noLog && (b.errorData.Severity == SevErr || b.errorData.Severity == SevFatal) {
+	if pkgconfig.ZeroLogErrTraces && !b.noLog {
-		b.errorData.ShortLog(pkgconfig.ZeroLogger.Error())
+		if b.errorData.Severity == SevErr || b.errorData.Severity == SevFatal {
-	} else if pkgconfig.ZeroLogAllTraces && !b.noLog {
 			b.errorData.ShortLog(pkgconfig.ZeroLogger.Error())
+		} else if b.errorData.Severity == SevWarn {
+			b.errorData.ShortLog(pkgconfig.ZeroLogger.Warn())
+		} else if b.errorData.Severity == SevInfo {
+			b.errorData.ShortLog(pkgconfig.ZeroLogger.Info())
+		} else if b.errorData.Severity == SevDebug {
+			b.errorData.ShortLog(pkgconfig.ZeroLogger.Debug())
+		} else if b.errorData.Severity == SevTrace {
+			b.errorData.ShortLog(pkgconfig.ZeroLogger.Trace())
+		} else {
+			b.errorData.ShortLog(pkgconfig.ZeroLogger.Error()) // ?!? unknown severity
 		}
 
+	}
 	b.errorData.CallListener(MethodBuild, ListenerOpt{NoLog: b.noLog})
 
 	return b.errorData
@@ -456,10 +467,19 @@ func (b *Builder) Output(ctx context.Context, g *gin.Context) {
 
 	// this is only here to add one level to the trace
 	// so that .Build() and .Output() and .Print() have the same depth and our stack-skip logger can have the same skip-count
-	b.doOutput(ctx, g)
+	b.doGinOutput(ctx, g)
 }
 
-func (b *Builder) doOutput(ctx context.Context, g *gin.Context) {
+// OutputRaw works teh same as Output() - but does not depend on gin and works with a raw http.ResponseWriter
+func (b *Builder) OutputRaw(w http.ResponseWriter) {
+	warnOnPkgConfigNotInitialized()
+
+	// this is only here to add one level to the trace
+	// so that .Build() and .Output() and .Print() have the same depth and our stack-skip logger can have the same skip-count
+	b.doRawOutput(w)
+}
+
+func (b *Builder) doGinOutput(ctx context.Context, g *gin.Context) {
 	b.errorData.Output(g)
 
 	if (b.errorData.Severity == SevErr || b.errorData.Severity == SevFatal) && (pkgconfig.ZeroLogErrGinOutput || pkgconfig.ZeroLogAllGinOutput) {
@@ -471,6 +491,18 @@ func (b *Builder) doOutput(ctx context.Context, g *gin.Context) {
 	b.errorData.CallListener(MethodOutput, ListenerOpt{NoLog: b.noLog})
 }
 
+func (b *Builder) doRawOutput(w http.ResponseWriter) {
+	b.errorData.OutputRaw(w)
+
+	if (b.errorData.Severity == SevErr || b.errorData.Severity == SevFatal) && (pkgconfig.ZeroLogErrGinOutput || pkgconfig.ZeroLogAllGinOutput) {
+		b.errorData.Log(pkgconfig.ZeroLogger.Error())
+	} else if (b.errorData.Severity == SevWarn) && (pkgconfig.ZeroLogAllGinOutput) {
+		b.errorData.Log(pkgconfig.ZeroLogger.Warn())
+	}
+
+	b.errorData.CallListener(MethodOutput, ListenerOpt{NoLog: b.noLog})
+}
+
 // Print prints the error
 // If the error is SevErr we also send it to the error-service
 func (b *Builder) Print(ctxs ...context.Context) Proxy {
@@ -492,8 +524,12 @@ func (b *Builder) doPrint() Proxy {
 		b.errorData.ShortLog(pkgconfig.ZeroLogger.Warn())
 	} else if b.errorData.Severity == SevInfo {
 		b.errorData.ShortLog(pkgconfig.ZeroLogger.Info())
-	} else {
+	} else if b.errorData.Severity == SevDebug {
 		b.errorData.ShortLog(pkgconfig.ZeroLogger.Debug())
+	} else if b.errorData.Severity == SevTrace {
+		b.errorData.ShortLog(pkgconfig.ZeroLogger.Trace())
+	} else {
+		b.errorData.Log(pkgconfig.ZeroLogger.Error()) // ?!? unknown severity
 	}
 
 	b.errorData.CallListener(MethodPrint, ListenerOpt{NoLog: b.noLog})

exerr/constructor.go

@@ -3,10 +3,11 @@ package exerr
 import (
 	"encoding/json"
 	"fmt"
-	"go.mongodb.org/mongo-driver/bson/primitive"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"reflect"
 	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
 var reflectTypeStr = reflect.TypeOf("")
@@ -223,7 +224,7 @@ func getReflectedMetaValues(value interface{}, remainingDepth int) map[string]Me
 		return map[string]MetaValue{"": {DataType: MDTIntArray, Value: ifraw}}
 	case []int32:
 		return map[string]MetaValue{"": {DataType: MDTInt32Array, Value: ifraw}}
-	case primitive.ObjectID:
+	case bson.ObjectID:
 		return map[string]MetaValue{"": {DataType: MDTObjectID, Value: ifraw}}
 	case []string:
 		return map[string]MetaValue{"": {DataType: MDTStringArray, Value: ifraw}}

exerr/dataCategory.go

@@ -4,11 +4,8 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"go.mongodb.org/mongo-driver/bson"
+
-	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/v2/bson"
-	"go.mongodb.org/mongo-driver/bson/bsonrw"
-	"go.mongodb.org/mongo-driver/bson/bsontype"
-	"reflect"
 )
 
 type ErrorCategory struct{ Category string }
@@ -28,8 +25,8 @@ func (e ErrorCategory) MarshalJSON() ([]byte, error) {
 	return json.Marshal(e.Category)
 }
 
-func (e *ErrorCategory) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
+func (e *ErrorCategory) UnmarshalBSONValue(bt byte, data []byte) error {
-	if bt == bson.TypeNull {
+	if bson.Type(bt) == bson.TypeNull {
 		// we can't set nil in UnmarshalBSONValue (so we use default(struct))
 		// Use mongoext.CreateGoExtBsonRegistry if you need to unmarsh pointer values
 		// https://stackoverflow.com/questions/75167597
@@ -37,11 +34,11 @@ func (e *ErrorCategory) UnmarshalBSONValue(bt bsontype.Type, data []byte) error
 		*e = ErrorCategory{}
 		return nil
 	}
-	if bt != bson.TypeString {
+	if bson.Type(bt) != bson.TypeString {
-		return errors.New(fmt.Sprintf("cannot unmarshal %v into String", bt))
+		return errors.New(fmt.Sprintf("cannot unmarshal %v into String", bson.Type(bt)))
 	}
 	var tt string
-	err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
+	err := bson.RawValue{Type: bson.Type(bt), Value: data}.Unmarshal(&tt)
 	if err != nil {
 		return err
 	}
@@ -49,40 +46,9 @@ func (e *ErrorCategory) UnmarshalBSONValue(bt bsontype.Type, data []byte) error
 	return nil
 }
 
-func (e ErrorCategory) MarshalBSONValue() (bsontype.Type, []byte, error) {
+func (e ErrorCategory) MarshalBSONValue() (byte, []byte, error) {
-	return bson.MarshalValue(e.Category)
+	tp, data, err := bson.MarshalValue(e.Category)
-}
+	return byte(tp), data, err
-
-func (e ErrorCategory) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
-	if val.Kind() == reflect.Ptr && val.IsNil() {
-		if !val.CanSet() {
-			return errors.New("ValueUnmarshalerDecodeValue")
-		}
-		val.Set(reflect.New(val.Type().Elem()))
-	}
-
-	tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr && len(src) == 0 {
-		val.Set(reflect.Zero(val.Type()))
-		return nil
-	}
-
-	err = e.UnmarshalBSONValue(tp, src)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr {
-		val.Set(reflect.ValueOf(&e))
-	} else {
-		val.Set(reflect.ValueOf(e))
-	}
-
-	return nil
 }
 
 //goland:noinspection GoUnusedGlobalVariable

exerr/dataSeverity.go

@@ -4,11 +4,8 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"go.mongodb.org/mongo-driver/bson"
+
-	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/v2/bson"
-	"go.mongodb.org/mongo-driver/bson/bsonrw"
-	"go.mongodb.org/mongo-driver/bson/bsontype"
-	"reflect"
 )
 
 type ErrorSeverity struct{ Severity string }
@@ -30,8 +27,8 @@ func (e ErrorSeverity) MarshalJSON() ([]byte, error) {
 	return json.Marshal(e.Severity)
 }
 
-func (e *ErrorSeverity) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
+func (e *ErrorSeverity) UnmarshalBSONValue(bt byte, data []byte) error {
-	if bt == bson.TypeNull {
+	if bson.Type(bt) == bson.TypeNull {
 		// we can't set nil in UnmarshalBSONValue (so we use default(struct))
 		// Use mongoext.CreateGoExtBsonRegistry if you need to unmarsh pointer values
 		// https://stackoverflow.com/questions/75167597
@@ -39,11 +36,11 @@ func (e *ErrorSeverity) UnmarshalBSONValue(bt bsontype.Type, data []byte) error
 		*e = ErrorSeverity{}
 		return nil
 	}
-	if bt != bson.TypeString {
+	if bson.Type(bt) != bson.TypeString {
-		return errors.New(fmt.Sprintf("cannot unmarshal %v into String", bt))
+		return errors.New(fmt.Sprintf("cannot unmarshal %v into String", bson.Type(bt)))
 	}
 	var tt string
-	err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
+	err := bson.RawValue{Type: bson.Type(bt), Value: data}.Unmarshal(&tt)
 	if err != nil {
 		return err
 	}
@@ -51,40 +48,9 @@ func (e *ErrorSeverity) UnmarshalBSONValue(bt bsontype.Type, data []byte) error
 	return nil
 }
 
-func (e ErrorSeverity) MarshalBSONValue() (bsontype.Type, []byte, error) {
+func (e ErrorSeverity) MarshalBSONValue() (byte, []byte, error) {
-	return bson.MarshalValue(e.Severity)
+	tp, data, err := bson.MarshalValue(e.Severity)
-}
+	return byte(tp), data, err
-
-func (e ErrorSeverity) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
-	if val.Kind() == reflect.Ptr && val.IsNil() {
-		if !val.CanSet() {
-			return errors.New("ValueUnmarshalerDecodeValue")
-		}
-		val.Set(reflect.New(val.Type().Elem()))
-	}
-
-	tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr && len(src) == 0 {
-		val.Set(reflect.Zero(val.Type()))
-		return nil
-	}
-
-	err = e.UnmarshalBSONValue(tp, src)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr {
-		val.Set(reflect.ValueOf(&e))
-	} else {
-		val.Set(reflect.ValueOf(e))
-	}
-
-	return nil
 }
 
 //goland:noinspection GoUnusedGlobalVariable

exerr/dataType.go

@@ -4,13 +4,10 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"go.mongodb.org/mongo-driver/bson"
+
-	"go.mongodb.org/mongo-driver/bson/bsoncodec"
-	"go.mongodb.org/mongo-driver/bson/bsonrw"
-	"go.mongodb.org/mongo-driver/bson/bsontype"
 	"git.blackforestbytes.com/BlackForestBytes/goext/dataext"
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
-	"reflect"
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
 type ErrorType struct {
@@ -55,6 +52,8 @@ var (
 	TypeInvalidImage    = NewType("IMAGEEXT_INVALID_IMAGE", langext.Ptr(400))
 	TypeInvalidMimeType = NewType("IMAGEEXT_INVALID_MIMETYPE", langext.Ptr(400))
 
+	TypeWebsocket = NewType("WEBSOCKET", langext.Ptr(500))
+
 	// other values come from the downstream application that uses goext
 )
 
@@ -78,8 +77,8 @@ func (e ErrorType) MarshalJSON() ([]byte, error) {
 	return json.Marshal(e.Key)
 }
 
-func (e *ErrorType) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
+func (e *ErrorType) UnmarshalBSONValue(bt byte, data []byte) error {
-	if bt == bson.TypeNull {
+	if bson.Type(bt) == bson.TypeNull {
 		// we can't set nil in UnmarshalBSONValue (so we use default(struct))
 		// Use mongoext.CreateGoExtBsonRegistry if you need to unmarsh pointer values
 		// https://stackoverflow.com/questions/75167597
@@ -87,11 +86,11 @@ func (e *ErrorType) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
 		*e = ErrorType{}
 		return nil
 	}
-	if bt != bson.TypeString {
+	if bson.Type(bt) != bson.TypeString {
-		return errors.New(fmt.Sprintf("cannot unmarshal %v into String", bt))
+		return errors.New(fmt.Sprintf("cannot unmarshal %v into String", bson.Type(bt)))
 	}
 	var tt string
-	err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
+	err := bson.RawValue{Type: bson.Type(bt), Value: data}.Unmarshal(&tt)
 	if err != nil {
 		return err
 	}
@@ -105,40 +104,9 @@ func (e *ErrorType) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
 	}
 }
 
-func (e ErrorType) MarshalBSONValue() (bsontype.Type, []byte, error) {
+func (e ErrorType) MarshalBSONValue() (byte, []byte, error) {
-	return bson.MarshalValue(e.Key)
+	tp, data, err := bson.MarshalValue(e.Key)
-}
+	return byte(tp), data, err
-
-func (e ErrorType) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
-	if val.Kind() == reflect.Ptr && val.IsNil() {
-		if !val.CanSet() {
-			return errors.New("ValueUnmarshalerDecodeValue")
-		}
-		val.Set(reflect.New(val.Type().Elem()))
-	}
-
-	tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr && len(src) == 0 {
-		val.Set(reflect.Zero(val.Type()))
-		return nil
-	}
-
-	err = e.UnmarshalBSONValue(tp, src)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr {
-		val.Set(reflect.ValueOf(&e))
-	} else {
-		val.Set(reflect.ValueOf(e))
-	}
-
-	return nil
 }
 
 var registeredTypes = dataext.SyncMap[string, ErrorType]{}

exerr/data_test.go

@@ -3,12 +3,12 @@ package exerr
 import (
 	"context"
 	"encoding/json"
-	"go.mongodb.org/mongo-driver/bson"
-	"go.mongodb.org/mongo-driver/bson/primitive"
-	"go.mongodb.org/mongo-driver/mongo"
-	"git.blackforestbytes.com/BlackForestBytes/goext/tst"
 	"testing"
 	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/tst"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.mongodb.org/mongo-driver/v2/mongo"
 )
 
 func TestJSONMarshalErrorCategory(t *testing.T) {
@@ -57,7 +57,7 @@ func TestBSONMarshalErrorCategory(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 350*time.Millisecond)
 	defer cancel()
 
-	client, err := mongo.Connect(ctx)
+	client, err := mongo.Connect()
 	if err != nil {
 		t.Skip("Skip test - no local mongo found")
 		return
@@ -68,7 +68,7 @@ func TestBSONMarshalErrorCategory(t *testing.T) {
 		return
 	}
 
-	primimd := primitive.NewObjectID()
+	primimd := bson.NewObjectID()
 
 	_, err = client.Database("_test").Collection("goext-cicd").InsertOne(ctx, bson.M{"_id": primimd, "val": CatSystem})
 	tst.AssertNoErr(t, err)
@@ -76,7 +76,7 @@ func TestBSONMarshalErrorCategory(t *testing.T) {
 	cursor := client.Database("_test").Collection("goext-cicd").FindOne(ctx, bson.M{"_id": primimd, "val": bson.M{"$type": "string"}})
 
 	var c1 struct {
-		ID  primitive.ObjectID `bson:"_id"`
+		ID  bson.ObjectID `bson:"_id"`
 		Val ErrorCategory `bson:"val"`
 	}
 
@@ -90,7 +90,7 @@ func TestBSONMarshalErrorSeverity(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 350*time.Millisecond)
 	defer cancel()
 
-	client, err := mongo.Connect(ctx)
+	client, err := mongo.Connect()
 	if err != nil {
 		t.Skip("Skip test - no local mongo found")
 		return
@@ -101,7 +101,7 @@ func TestBSONMarshalErrorSeverity(t *testing.T) {
 		return
 	}
 
-	primimd := primitive.NewObjectID()
+	primimd := bson.NewObjectID()
 
 	_, err = client.Database("_test").Collection("goext-cicd").InsertOne(ctx, bson.M{"_id": primimd, "val": SevErr})
 	tst.AssertNoErr(t, err)
@@ -109,7 +109,7 @@ func TestBSONMarshalErrorSeverity(t *testing.T) {
 	cursor := client.Database("_test").Collection("goext-cicd").FindOne(ctx, bson.M{"_id": primimd, "val": bson.M{"$type": "string"}})
 
 	var c1 struct {
-		ID  primitive.ObjectID `bson:"_id"`
+		ID  bson.ObjectID `bson:"_id"`
 		Val ErrorSeverity `bson:"val"`
 	}
 
@@ -123,7 +123,7 @@ func TestBSONMarshalErrorType(t *testing.T) {
 	ctx, cancel := context.WithTimeout(context.Background(), 350*time.Millisecond)
 	defer cancel()
 
-	client, err := mongo.Connect(ctx)
+	client, err := mongo.Connect()
 	if err != nil {
 		t.Skip("Skip test - no local mongo found")
 		return
@@ -134,7 +134,7 @@ func TestBSONMarshalErrorType(t *testing.T) {
 		return
 	}
 
-	primimd := primitive.NewObjectID()
+	primimd := bson.NewObjectID()
 
 	_, err = client.Database("_test").Collection("goext-cicd").InsertOne(ctx, bson.M{"_id": primimd, "val": TypeNotImplemented})
 	tst.AssertNoErr(t, err)
@@ -142,7 +142,7 @@ func TestBSONMarshalErrorType(t *testing.T) {
 	cursor := client.Database("_test").Collection("goext-cicd").FindOne(ctx, bson.M{"_id": primimd, "val": bson.M{"$type": "string"}})
 
 	var c1 struct {
-		ID  primitive.ObjectID `bson:"_id"`
+		ID  bson.ObjectID `bson:"_id"`
 		Val ErrorType     `bson:"val"`
 	}
 

exerr/gin.go

@@ -1,9 +1,9 @@
 package exerr
 
 import (
-	"github.com/gin-gonic/gin"
 	json "git.blackforestbytes.com/BlackForestBytes/goext/gojson"
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"github.com/gin-gonic/gin"
 	"net/http"
 	"time"
 )
@@ -68,7 +68,6 @@ func (ee *ExErr) ToDefaultAPIJson() (string, error) {
 	gjr := json.GoJsonRender{Data: ee.ToAPIJson(true, pkgconfig.ExtendedGinOutput, pkgconfig.IncludeMetaInGinOutput), NilSafeSlices: true, NilSafeMaps: true}
 
 	r, err := gjr.RenderString()
-
 	if err != nil {
 		return "", err
 	}
@@ -143,3 +142,34 @@ func (ee *ExErr) Output(g *gin.Context) {
 
 	g.Render(statuscode, json.GoJsonRender{Data: ginOutput, NilSafeSlices: true, NilSafeMaps: true})
 }
+
+func (ee *ExErr) OutputRaw(w http.ResponseWriter) {
+
+	warnOnPkgConfigNotInitialized()
+
+	var statuscode = http.StatusInternalServerError
+
+	var baseCat = ee.RecursiveCategory()
+	var baseType = ee.RecursiveType()
+	var baseStatuscode = ee.RecursiveStatuscode()
+
+	if baseCat == CatUser {
+		statuscode = http.StatusBadRequest
+	} else if baseCat == CatSystem {
+		statuscode = http.StatusInternalServerError
+	}
+
+	if baseStatuscode != nil {
+		statuscode = *ee.StatusCode
+	} else if baseType.DefaultStatusCode != nil {
+		statuscode = *baseType.DefaultStatusCode
+	}
+
+	ginOutput, err := ee.ToDefaultAPIJson()
+	if err != nil {
+		panic(err) // cannot happen
+	}
+
+	w.WriteHeader(statuscode)
+	_, _ = w.Write([]byte(ginOutput))
+}

exerr/meta.go

@@ -5,14 +5,14 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
-	"github.com/rs/zerolog"
-	"go.mongodb.org/mongo-driver/bson"
-	"go.mongodb.org/mongo-driver/bson/primitive"
 	"math"
 	"strconv"
 	"strings"
 	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"github.com/rs/zerolog"
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
 // This is a buffed up map[string]any
@@ -99,7 +99,7 @@ func (v MetaValue) SerializeValue() (string, error) {
 	case MDTBytes:
 		return hex.EncodeToString(v.Value.([]byte)), nil
 	case MDTObjectID:
-		return v.Value.(primitive.ObjectID).Hex(), nil
+		return v.Value.(bson.ObjectID).Hex(), nil
 	case MDTTime:
 		return strconv.FormatInt(v.Value.(time.Time).Unix(), 10) + "|" + strconv.FormatInt(int64(v.Value.(time.Time).Nanosecond()), 10), nil
 	case MDTDuration:
@@ -178,7 +178,7 @@ func (v MetaValue) ShortString(lim int) string {
 	case MDTBytes:
 		return langext.StrLimit(hex.EncodeToString(v.Value.([]byte)), lim, "...")
 	case MDTObjectID:
-		return v.Value.(primitive.ObjectID).Hex()
+		return v.Value.(bson.ObjectID).Hex()
 	case MDTTime:
 		return v.Value.(time.Time).Format(time.RFC3339)
 	case MDTDuration:
@@ -266,7 +266,7 @@ func (v MetaValue) Apply(key string, evt *zerolog.Event, limitLen *int) *zerolog
 	case MDTBytes:
 		return evt.Bytes(key, v.Value.([]byte))
 	case MDTObjectID:
-		return evt.Str(key, v.Value.(primitive.ObjectID).Hex())
+		return evt.Str(key, v.Value.(bson.ObjectID).Hex())
 	case MDTTime:
 		return evt.Time(key, v.Value.(time.Time))
 	case MDTDuration:
@@ -460,7 +460,7 @@ func (v *MetaValue) Deserialize(value string, datatype metaDataType) error {
 		v.DataType = datatype
 		return nil
 	case MDTObjectID:
-		r, err := primitive.ObjectIDFromHex(value)
+		r, err := bson.ObjectIDFromHex(value)
 		if err != nil {
 			return err
 		}
@@ -577,7 +577,7 @@ func (v MetaValue) ValueString() string {
 	case MDTBytes:
 		return hex.EncodeToString(v.Value.([]byte))
 	case MDTObjectID:
-		return v.Value.(primitive.ObjectID).Hex()
+		return v.Value.(bson.ObjectID).Hex()
 	case MDTTime:
 		return v.Value.(time.Time).Format(time.RFC3339Nano)
 	case MDTDuration:
@@ -628,8 +628,8 @@ func (v MetaValue) rawValueForJson() any {
 		if v.Value.(AnyWrap).IsError {
 			return bson.M{"@error": true}
 		}
-		jsonobj := primitive.M{}
+		jsonobj := bson.M{}
-		jsonarr := primitive.A{}
+		jsonarr := bson.A{}
 		if err := json.Unmarshal([]byte(v.Value.(AnyWrap).Json), &jsonobj); err == nil {
 			return jsonobj
 		} else if err := json.Unmarshal([]byte(v.Value.(AnyWrap).Json), &jsonarr); err == nil {
@@ -654,7 +654,7 @@ func (v MetaValue) rawValueForJson() any {
 		return v.Value.(time.Time).Format(time.RFC3339Nano)
 	}
 	if v.DataType == MDTObjectID {
-		return v.Value.(primitive.ObjectID).Hex()
+		return v.Value.(bson.ObjectID).Hex()
 	}
 	if v.DataType == MDTNil {
 		return nil

ginext/funcWrapper.go

@@ -2,8 +2,10 @@ package ginext
 
 import (
 	"fmt"
-	"github.com/gin-gonic/gin"
+	"net/http"
+
 	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
+	"github.com/gin-gonic/gin"
 )
 
 type WHandlerFunc func(PreContext) HTTPResponse
@@ -39,6 +41,8 @@ func Wrap(w *GinWrapper, fn WHandlerFunc) gin.HandlerFunc {
 		}
 
 		if g.Writer.Written() {
+			// (!) This panic is not preoperly cached - it will kill the whole process
+			//     but that only means you should NOT write in WrapperFunc...
 			panic("Writing in WrapperFunc is not supported")
 		}
 
@@ -53,8 +57,64 @@ func Wrap(w *GinWrapper, fn WHandlerFunc) gin.HandlerFunc {
 			lstr(g, wrap)
 		}
 
+		if g.IsAborted() {
+			return
+		}
+
 		if reqctx.Err() == nil {
 			wrap.Write(g)
+			if g.IsAborted() {
+				// can happen if we try to marshal an invalid json object (e.g. containing Inf)
+				exerr.
+					New(exerr.TypePanic, "Failed to write response to renderer").
+					Strs("errors", g.Errors.Errors()).
+					Stack().
+					Print(g)
+
+				g.Status(500)
+			}
+		}
+	}
+}
+
+func WrapHTTPHandler(w *GinWrapper, fn http.Handler) gin.HandlerFunc {
+	return func(g *gin.Context) {
+		for _, lstr := range w.listenerBeforeRequest {
+			lstr(g)
+		}
+
+		fn.ServeHTTP(g.Writer, g.Request)
+
+		for _, lstr := range w.listenerAfterRequest {
+			lstr(g, nil)
+		}
+	}
+}
+
+func WrapHTTPHandlerFunc(w *GinWrapper, fn http.HandlerFunc) gin.HandlerFunc {
+	return func(g *gin.Context) {
+		for _, lstr := range w.listenerBeforeRequest {
+			lstr(g)
+		}
+
+		fn(g.Writer, g.Request)
+
+		for _, lstr := range w.listenerAfterRequest {
+			lstr(g, nil)
+		}
+	}
+}
+
+func WrapExtHTTPHandlerFunc(w *GinWrapper, fn func(*gin.Context, http.ResponseWriter, *http.Request)) gin.HandlerFunc {
+	return func(g *gin.Context) {
+		for _, lstr := range w.listenerBeforeRequest {
+			lstr(g)
+		}
+
+		fn(g, g.Writer, g.Request)
+
+		for _, lstr := range w.listenerAfterRequest {
+			lstr(g, nil)
 		}
 	}
 }

ginext/routes.go

@@ -1,13 +1,14 @@
 package ginext
 
 import (
-	"github.com/gin-gonic/gin"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"net/http"
 	"path"
 	"reflect"
 	"runtime"
 	"strings"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"github.com/gin-gonic/gin"
 )
 
 var anyMethods = []string{
@@ -148,6 +149,99 @@ func (w *GinRouteBuilder) Handle(handler WHandlerFunc) {
 	})
 }
 
+func (w *GinRouteBuilder) HandleRawHTTPHandler(f http.Handler) {
+	if w.routes.wrapper.bufferBody {
+		arr := make([]gin.HandlerFunc, 0, len(w.handlers)+1)
+		arr = append(arr, BodyBuffer)
+		arr = append(arr, w.handlers...)
+		w.handlers = arr
+	}
+
+	middlewareNames := langext.ArrMap(w.handlers, func(v gin.HandlerFunc) string { return nameOfFunction(v) })
+
+	w.handlers = append(w.handlers, WrapHTTPHandler(w.routes.wrapper, f))
+
+	methodName := w.method
+
+	if w.method == "*" {
+		methodName = "ANY"
+		for _, method := range anyMethods {
+			w.routes.routes.Handle(method, w.relPath, w.handlers...)
+		}
+	} else {
+		w.routes.routes.Handle(w.method, w.relPath, w.handlers...)
+	}
+
+	w.routes.wrapper.routeSpecs = append(w.routes.wrapper.routeSpecs, ginRouteSpec{
+		Method:      methodName,
+		URL:         w.absPath,
+		Middlewares: middlewareNames,
+		Handler:     "[HTTPHandler]",
+	})
+}
+
+func (w *GinRouteBuilder) HandleRawHTTPHandlerFunc(f http.HandlerFunc) {
+	if w.routes.wrapper.bufferBody {
+		arr := make([]gin.HandlerFunc, 0, len(w.handlers)+1)
+		arr = append(arr, BodyBuffer)
+		arr = append(arr, w.handlers...)
+		w.handlers = arr
+	}
+
+	middlewareNames := langext.ArrMap(w.handlers, func(v gin.HandlerFunc) string { return nameOfFunction(v) })
+
+	w.handlers = append(w.handlers, WrapHTTPHandlerFunc(w.routes.wrapper, f))
+
+	methodName := w.method
+
+	if w.method == "*" {
+		methodName = "ANY"
+		for _, method := range anyMethods {
+			w.routes.routes.Handle(method, w.relPath, w.handlers...)
+		}
+	} else {
+		w.routes.routes.Handle(w.method, w.relPath, w.handlers...)
+	}
+
+	w.routes.wrapper.routeSpecs = append(w.routes.wrapper.routeSpecs, ginRouteSpec{
+		Method:      methodName,
+		URL:         w.absPath,
+		Middlewares: middlewareNames,
+		Handler:     "[HTTPHandlerFunc]",
+	})
+}
+
+func (w *GinRouteBuilder) HandleExtHTTPHandlerFunc(f func(*gin.Context, http.ResponseWriter, *http.Request)) {
+	if w.routes.wrapper.bufferBody {
+		arr := make([]gin.HandlerFunc, 0, len(w.handlers)+1)
+		arr = append(arr, BodyBuffer)
+		arr = append(arr, w.handlers...)
+		w.handlers = arr
+	}
+
+	middlewareNames := langext.ArrMap(w.handlers, func(v gin.HandlerFunc) string { return nameOfFunction(v) })
+
+	w.handlers = append(w.handlers, WrapExtHTTPHandlerFunc(w.routes.wrapper, f))
+
+	methodName := w.method
+
+	if w.method == "*" {
+		methodName = "ANY"
+		for _, method := range anyMethods {
+			w.routes.routes.Handle(method, w.relPath, w.handlers...)
+		}
+	} else {
+		w.routes.routes.Handle(w.method, w.relPath, w.handlers...)
+	}
+
+	w.routes.wrapper.routeSpecs = append(w.routes.wrapper.routeSpecs, ginRouteSpec{
+		Method:      methodName,
+		URL:         w.absPath,
+		Middlewares: middlewareNames,
+		Handler:     "[HTTPHandlerFunc]",
+	})
+}
+
 func (w *GinWrapper) NoRoute(handler WHandlerFunc) {
 
 	handlers := make([]gin.HandlerFunc, 0)

go.mod

@@ -1,64 +1,72 @@
 module git.blackforestbytes.com/BlackForestBytes/goext
 
-go 1.23.0
+go 1.25.0
-
-toolchain go1.24.0
 
 require (
-	github.com/gin-gonic/gin v1.10.1
+	github.com/gin-gonic/gin v1.12.0
 	github.com/glebarez/go-sqlite v1.22.0 // only needed for tests -.-
 	github.com/jmoiron/sqlx v1.4.0
 	github.com/rs/xid v1.6.0
-	github.com/rs/zerolog v1.34.0
+	github.com/rs/zerolog v1.35.0
-	go.mongodb.org/mongo-driver v1.17.4
+	go.mongodb.org/mongo-driver/v2 v2.5.1
-	golang.org/x/crypto v0.39.0
+	golang.org/x/crypto v0.50.0
-	golang.org/x/sys v0.33.0
+	golang.org/x/sys v0.43.0
-	golang.org/x/term v0.32.0
+	golang.org/x/term v0.42.0
 )
 
 require (
+	github.com/360EntSecGroup-Skylar/excelize v1.4.1
 	github.com/disintegration/imaging v1.6.2
+	github.com/gorilla/websocket v1.5.3
 	github.com/jung-kurt/gofpdf v1.16.2
-	golang.org/x/sync v0.15.0
+	github.com/xuri/excelize/v2 v2.10.1
+	go.mongodb.org/mongo-driver v1.17.9
+	golang.org/x/net v0.53.0
+	golang.org/x/sync v0.20.0
 )
 
 require (
-	github.com/bytedance/sonic v1.13.3 // indirect
+	github.com/bytedance/gopkg v0.1.4 // indirect
-	github.com/bytedance/sonic/loader v0.2.4 // indirect
+	github.com/bytedance/sonic v1.15.0 // indirect
-	github.com/cloudwego/base64x v0.1.5 // indirect
+	github.com/bytedance/sonic/loader v0.5.1 // indirect
-	github.com/cloudwego/iasm v0.2.0 // indirect
+	github.com/cloudwego/base64x v0.1.6 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
-	github.com/gabriel-vasile/mimetype v1.4.9 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.13 // indirect
-	github.com/gin-contrib/sse v1.1.0 // indirect
+	github.com/gin-contrib/sse v1.1.1 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.26.0 // indirect
+	github.com/go-playground/validator/v10 v10.30.2 // indirect
-	github.com/goccy/go-json v0.10.5 // indirect
+	github.com/goccy/go-json v0.10.6 // indirect
-	github.com/golang/snappy v1.0.0 // indirect
+	github.com/goccy/go-yaml v1.19.2 // indirect
 	github.com/google/uuid v1.5.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/compress v1.18.0 // indirect
+	github.com/klauspost/compress v1.18.5 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.11 // indirect
+	github.com/klauspost/cpuid/v2 v2.3.0 // indirect
 	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
-	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-isatty v0.0.21 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
-	github.com/montanaflynn/stats v0.7.1 // indirect
+	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
-	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
+	github.com/pelletier/go-toml/v2 v2.3.0 // indirect
+	github.com/quic-go/qpack v0.6.0 // indirect
+	github.com/quic-go/quic-go v0.59.0 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
+	github.com/richardlehane/mscfb v1.0.6 // indirect
+	github.com/richardlehane/msoleps v1.0.6 // indirect
+	github.com/tiendc/go-deepcopy v1.7.2 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/ugorji/go/codec v1.3.0 // indirect
+	github.com/ugorji/go/codec v1.3.1 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
-	github.com/xdg-go/scram v1.1.2 // indirect
+	github.com/xdg-go/scram v1.2.0 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
+	github.com/xuri/efp v0.0.1 // indirect
+	github.com/xuri/nfp v0.0.2-0.20250530014748-2ddeb826f9a9 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
-	golang.org/x/arch v0.18.0 // indirect
+	golang.org/x/arch v0.26.0 // indirect
-	golang.org/x/image v0.28.0 // indirect
+	golang.org/x/image v0.39.0 // indirect
-	golang.org/x/net v0.41.0 // indirect
+	golang.org/x/text v0.36.0 // indirect
-	golang.org/x/text v0.26.0 // indirect
+	google.golang.org/protobuf v1.36.11 // indirect
-	google.golang.org/protobuf v1.36.6 // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 	modernc.org/libc v1.37.6 // indirect
 	modernc.org/mathutil v1.6.0 // indirect
 	modernc.org/memory v1.7.2 // indirect

go.sum

@@ -1,46 +1,16 @@
 filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
 filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+github.com/360EntSecGroup-Skylar/excelize v1.4.1 h1:l55mJb6rkkaUzOpSsgEeKYtS6/0gHwBYyfo5Jcjv/Ks=
+github.com/360EntSecGroup-Skylar/excelize v1.4.1/go.mod h1:vnax29X2usfl7HHkBrX5EvSCJcmH3dT9luvxzu8iGAE=
 github.com/boombuler/barcode v1.0.0/go.mod h1:paBWMcWSl3LHKBqUq+rly7CNSldXjb2rDl3JlRe0mD8=
-github.com/bytedance/sonic v1.12.3 h1:W2MGa7RCU1QTeYRTPE3+88mVC0yXmsRQRChiyVocVjU=
+github.com/bytedance/gopkg v0.1.4 h1:oZnQwnX82KAIWb7033bEwtxvTqXcYMxDBaQxo5JJHWM=
-github.com/bytedance/sonic v1.12.3/go.mod h1:B8Gt/XvtZ3Fqj+iSKMypzymZxw/FVwgIGKzMzT9r/rk=
+github.com/bytedance/gopkg v0.1.4/go.mod h1:v1zWfPm21Fb+OsyXN2VAHdL6TBb2L88anLQgdyje6R4=
-github.com/bytedance/sonic v1.12.4 h1:9Csb3c9ZJhfUWeMtpCDCq6BUoH5ogfDFLUgQ/jG+R0k=
+github.com/bytedance/sonic v1.15.0 h1:/PXeWFaR5ElNcVE84U0dOHjiMHQOwNIx3K4ymzh/uSE=
-github.com/bytedance/sonic v1.12.4/go.mod h1:B8Gt/XvtZ3Fqj+iSKMypzymZxw/FVwgIGKzMzT9r/rk=
+github.com/bytedance/sonic v1.15.0/go.mod h1:tFkWrPz0/CUCLEF4ri4UkHekCIcdnkqXw9VduqpJh0k=
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-golang.org/x/term v0.30.0 h1:PQ39fJZ+mfadBm0y5WlL4vlM7Sx1Hgf13sMIY2+QS9Y=
-golang.org/x/term v0.30.0/go.mod h1:NYYFdzHoI5wRh/h5tDMdMqCqPJZEuNqVR5xJLd/n67g=
-golang.org/x/term v0.31.0 h1:erwDkOK1Msy6offm1mOgvspSkslFnIGsFnxOKoufg3o=
-golang.org/x/term v0.31.0/go.mod h1:R4BeIy7D95HzImkxGkTW1UQTtP54tio2RyHz7PwK0aw=
-golang.org/x/term v0.32.0 h1:DR4lr0TjUs3epypdhTOkMmuF5CDFJ/8pOnbzMZPQ7bg=
-golang.org/x/term v0.32.0/go.mod h1:uZG1FhGx848Sqfsq4/DlJr3xGGsYMu/L5GW4abiaEPQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
 golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
-golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
+golang.org/x/text v0.36.0 h1:JfKh3XmcRPqZPKevfXVpI1wXPTqbkE5f7JA92a55Yxg=
-golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
+golang.org/x/text v0.36.0/go.mod h1:NIdBknypM8iqVmPiuco0Dh6P5Jcdk8lJL0CUebqK164=
-golang.org/x/text v0.20.0 h1:gK/Kv2otX8gz+wn7Rmb3vT96ZwuoxnQlY+HlJVj7Qug=
-golang.org/x/text v0.20.0/go.mod h1:D4IsuqiFMhST5bX19pQ9ikHC2GsaKyk/oF+pn3ducp4=
-golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
-golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
-golang.org/x/text v0.22.0 h1:bofq7m3/HAFvbF51jz3Q9wLg3jkvSPuiZu/pD1XwgtM=
-golang.org/x/text v0.22.0/go.mod h1:YRoo4H8PVmsu+E3Ou7cqLVH8oXWIHVoX0jqUWALQhfY=
-golang.org/x/text v0.23.0 h1:D71I7dUrlY+VX0gQShAThNGHFxZ13dGLBHQLVl1mJlY=
-golang.org/x/text v0.23.0/go.mod h1:/BLNzu4aZCJ1+kcD0DNRotWKage4q2rGVAg4o22unh4=
-golang.org/x/text v0.24.0 h1:dd5Bzh4yt5KYA8f9CJHCP4FB4D51c2c6JvN37xJJkJ0=
-golang.org/x/text v0.24.0/go.mod h1:L8rBsPeo2pSS+xqN0d5u2ikmjtmoJbDBT1b7nHvFCdU=
-golang.org/x/text v0.25.0 h1:qVyWApTSYLk/drJRO5mDlNYskwQznZmkpV2c8q9zls4=
-golang.org/x/text v0.25.0/go.mod h1:WEdwpYrmk1qmdHvhkSTNPm3app7v4rsT8F2UD6+VHIA=
-golang.org/x/text v0.26.0 h1:P42AVeLghgTYr4+xUnTRKDMqpar+PtX7KWuNQL21L8M=
-golang.org/x/text v0.26.0/go.mod h1:QK15LZJUUQVJxhz7wXgxSy/CJaTFjd0G+YLonydOVQA=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
-google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
-google.golang.org/protobuf v1.35.1 h1:m3LfL6/Ca+fqnjnlqQXNpFPABW1UD7mjh8KO2mKFytA=
-google.golang.org/protobuf v1.35.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
-google.golang.org/protobuf v1.35.2 h1:8Ar7bF+apOIoThw1EdZl0p1oWvMqTHmpA2fRTyZO8io=
-google.golang.org/protobuf v1.35.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
-google.golang.org/protobuf v1.36.1 h1:yBPeRvTftaleIgM3PZ/WBIZ7XM/eEYAaEyCwvyjq/gk=
-google.golang.org/protobuf v1.36.1/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
-google.golang.org/protobuf v1.36.2 h1:R8FeyR1/eLmkutZOM5CWghmo5itiG9z0ktFlTVLuTmU=
-google.golang.org/protobuf v1.36.2/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
-google.golang.org/protobuf v1.36.4 h1:6A3ZDJHn/eNqc1i+IdefRzy/9PokBTPvcqMySR7NNIM=
-google.golang.org/protobuf v1.36.4/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
-google.golang.org/protobuf v1.36.5 h1:tPhr+woSbjfYvY6/GPufUoYizxw1cF/yFoxJ2fmpwlM=
-google.golang.org/protobuf v1.36.5/go.mod h1:9fA7Ob0pmnwhb644+1+CVWFRbNajQ6iRojtC/QF5bRE=
-google.golang.org/protobuf v1.36.6 h1:z1NpPI8ku2WgiWnf+t9wTPsn6eP1L7ksHUlkfLvd9xY=
-google.golang.org/protobuf v1.36.6/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
@@ -406,4 +193,3 @@ modernc.org/memory v1.7.2 h1:Klh90S215mmH8c9gO98QxQFsY+W451E8AnzjoE2ee1E=
 modernc.org/memory v1.7.2/go.mod h1:NO4NVCQy0N7ln+T9ngWqOQfi7ley4vpwvARR+Hjw95E=
 modernc.org/sqlite v1.28.0 h1:Zx+LyDDmXczNnEQdvPuEfcFVA2ZPyaD7UCZDjef3BHQ=
 modernc.org/sqlite v1.28.0/go.mod h1:Qxpazz0zH8Z1xCFyi5GSL3FzbtZ3fvbjmywNogldEW0=
-nullprogram.com/x/optparse v1.0.0/go.mod h1:KdyPE+Igbe0jQUrVfMqDMeJQIJZEuyV7pjYmp6pbG50=

goextVersion.go

@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.584"
+const GoextVersion = "0.0.633"
 
-const GoextVersionTimestamp = "2025-06-26T16:48:07+0200"
+const GoextVersionTimestamp = "2026-04-13T16:12:09+0200"

gojson/gionic.go

@@ -27,11 +27,11 @@ func (r GoJsonRender) Render(w http.ResponseWriter) error {
 	}
 	jsonBytes, err := MarshalSafeCollections(r.Data, r.NilSafeSlices, r.NilSafeMaps, r.Indent, r.Filter)
 	if err != nil {
-		panic(err)
+		return err
 	}
 	_, err = w.Write(jsonBytes)
 	if err != nil {
-		panic(err)
+		return err
 	}
 	return nil
 }
@@ -39,7 +39,7 @@ func (r GoJsonRender) Render(w http.ResponseWriter) error {
 func (r GoJsonRender) RenderString() (string, error) {
 	jsonBytes, err := MarshalSafeCollections(r.Data, r.NilSafeSlices, r.NilSafeMaps, r.Indent, r.Filter)
 	if err != nil {
-		panic(err)
+		return "", err
 	}
 	return string(jsonBytes), nil
 }

googleapi/README.md

@@ -1,4 +1,3 @@
-
 Google OAuth Setup (to send mails)
 ==================================
 
@@ -15,7 +14,7 @@ Google OAuth Setup (to send mails)
    Kontakt-Email: ...  
    
 
- - Unter "Anmeldedaten" neuer OAuth Client erstellen @ https://console.cloud.google.com/apis/credentials
+ - Unter "API und Dienste" > "Anmeldedaten" neuer OAuth Client erstellen @ https://console.cloud.google.com/apis/credentials  
    Anwendungstyp: Web  
    Name: 'BackendMailOAuth'  
    Redirect-Uri: 'http://localhost/oauth'  

langext/array.go

@@ -3,6 +3,7 @@ package langext
 import (
 	"errors"
 	"fmt"
+	"math/rand"
 	"reflect"
 )
 
@@ -384,6 +385,7 @@ func ArrMapErr[T1 any, T2 any](arr []T1, conv func(v T1) (T2, error)) ([]T2, err
 	return r, nil
 }
 
+// ArrFilterMap returns a new array containing only the elements matching the filter, converted via conv (combines ArrFilter and ArrMap)
 func ArrFilterMap[T1 any, T2 any](arr []T1, filter func(v T1) bool, conv func(v T1) T2) []T2 {
 	r := make([]T2, 0, len(arr))
 	for _, v := range arr {
@@ -394,6 +396,7 @@ func ArrFilterMap[T1 any, T2 any](arr []T1, filter func(v T1) bool, conv func(v
 	return r
 }
 
+// ArrFilter returns a new array containing only the elements matching the filter
 func ArrFilter[T any](arr []T, filter func(v T) bool) []T {
 	r := make([]T, 0, len(arr))
 	for _, v := range arr {
@@ -404,6 +407,17 @@ func ArrFilter[T any](arr []T, filter func(v T) bool) []T {
 	return r
 }
 
+// ArrCount returns the number of elements matching the filter
+func ArrCount[T any](arr []T, filter func(v T) bool) int {
+	c := 0
+	for _, v := range arr {
+		if filter(v) {
+			c++
+		}
+	}
+	return c
+}
+
 func ArrSum[T NumberConstraint](arr []T) T {
 	var r T = 0
 	for _, v := range arr {
@@ -608,3 +622,32 @@ func ArrGroupBy[T1 any, T2 comparable](arr []T1, groupfunc func(v T1) T2) map[T2
 
 	return r
 }
+
+func ArrShuffle[T any](arr []T) []T {
+	for i := range arr {
+		j := rand.Intn(i + 1)
+		arr[i], arr[j] = arr[j], arr[i]
+	}
+
+	return arr
+}
+
+func ArrMax[T NumberConstraint](first T, arr []T) T {
+	res := first
+	for _, v := range arr {
+		if v > res {
+			res = v
+		}
+	}
+	return res
+}
+
+func ArrMin[T NumberConstraint](first T, arr []T) T {
+	res := first
+	for _, v := range arr {
+		if v < res {
+			res = v
+		}
+	}
+	return res
+}

langext/func.go

@@ -0,0 +1,7 @@
+package langext
+
+func FuncChain[T any](v1 func(T) T, v2 func(T) T) func(T) T {
+	return func(t T) T {
+		return v2(v1(t))
+	}
+}

langext/maps.go

@@ -1,5 +1,7 @@
 package langext
 
+import "encoding/json"
+
 type MapEntry[T comparable, V any] struct {
 	Key   T
 	Value V
@@ -72,6 +74,19 @@ func ForceMap[K comparable, V any](v map[K]V) map[K]V {
 	}
 }
 
+func ForceJsonMapOrPanic(v any) map[string]any {
+	data, err := json.Marshal(v)
+	if err != nil {
+		panic(err)
+	}
+	var result map[string]any
+	err = json.Unmarshal(data, &result)
+	if err != nil {
+		panic(err)
+	}
+	return result
+}
+
 func MapMerge[K comparable, V any](base map[K]V, arr ...map[K]V) map[K]V {
 	res := make(map[K]V, len(base)*(1+len(arr)))
 

langext/string.go

@@ -3,6 +3,7 @@ package langext
 import (
 	"fmt"
 	"strings"
+	"unicode"
 )
 
 func StrLimit(val string, maxlen int, suffix string) string {
@@ -136,3 +137,12 @@ func StrWrap(val string, linelen int, seperator string) string {
 
 	return res
 }
+
+func StrRemoveControlCharacters(str string) string {
+	return strings.Map(func(r rune) rune {
+		if unicode.IsControl(r) {
+			return -1
+		}
+		return r
+	}, str)
+}

langext/string_test.go

@@ -150,3 +150,12 @@ func TestStrWrapBehaviour4(t *testing.T) {
 		t.Errorf("Expected %v but got %v", expected, result)
 	}
 }
+
+func TestStrRemoveControlCharacters(t *testing.T) {
+	str := "\rHel\alo\nWorld\t"
+	expected := "HelloWorld"
+	result := StrRemoveControlCharacters(str)
+	if result != expected {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}

mongoext/pipeline.go

@@ -1,8 +1,8 @@
 package mongoext
 
 import (
-	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/v2/bson"
-	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/v2/mongo"
 )
 
 // FixTextSearchPipeline moves {$match:{$text:{$search}}} entries to the front of the pipeline (otherwise its an mongo error)

mongoext/projections.go

@@ -1,9 +1,10 @@
 package mongoext
 
 import (
-	"go.mongodb.org/mongo-driver/bson"
 	"reflect"
 	"strings"
+
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
 // ProjectionFromStruct automatically generated a mongodb projection for a struct

mongoext/registry.go

@@ -1,51 +1,17 @@
 package mongoext
 
 import (
-	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
-	"git.blackforestbytes.com/BlackForestBytes/goext/rfctime"
-	"go.mongodb.org/mongo-driver/bson"
-	"go.mongodb.org/mongo-driver/bson/bsoncodec"
-	"go.mongodb.org/mongo-driver/bson/primitive"
 	"reflect"
+
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
-func CreateGoExtBsonRegistry() *bsoncodec.Registry {
+func CreateGoExtBsonRegistry() *bson.Registry {
 	reg := bson.NewRegistry()
 
-	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.RFC3339Time{}), rfctime.RFC3339Time{})
+	// otherwise we get []bson.E when unmarshalling into any
-	reg.RegisterTypeDecoder(reflect.TypeOf(&rfctime.RFC3339Time{}), rfctime.RFC3339Time{})
-
-	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.RFC3339NanoTime{}), rfctime.RFC3339NanoTime{})
-	reg.RegisterTypeDecoder(reflect.TypeOf(&rfctime.RFC3339NanoTime{}), rfctime.RFC3339NanoTime{})
-
-	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.UnixTime{}), rfctime.UnixTime{})
-	reg.RegisterTypeDecoder(reflect.TypeOf(&rfctime.UnixTime{}), rfctime.UnixTime{})
-
-	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.UnixMilliTime{}), rfctime.UnixMilliTime{})
-	reg.RegisterTypeDecoder(reflect.TypeOf(&rfctime.UnixMilliTime{}), rfctime.UnixMilliTime{})
-
-	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.UnixNanoTime{}), rfctime.UnixNanoTime{})
-	reg.RegisterTypeDecoder(reflect.TypeOf(&rfctime.UnixNanoTime{}), rfctime.UnixNanoTime{})
-
-	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.Date{}), rfctime.Date{})
-	reg.RegisterTypeDecoder(reflect.TypeOf(&rfctime.Date{}), rfctime.Date{})
-
-	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.SecondsF64(0)), rfctime.SecondsF64(0))
-	reg.RegisterTypeDecoder(reflect.TypeOf(langext.Ptr(rfctime.SecondsF64(0))), rfctime.SecondsF64(0))
-
-	reg.RegisterTypeDecoder(reflect.TypeOf(exerr.ErrorCategory{}), exerr.ErrorCategory{})
-	reg.RegisterTypeDecoder(reflect.TypeOf(langext.Ptr(exerr.ErrorCategory{})), exerr.ErrorCategory{})
-
-	reg.RegisterTypeDecoder(reflect.TypeOf(exerr.ErrorSeverity{}), exerr.ErrorSeverity{})
-	reg.RegisterTypeDecoder(reflect.TypeOf(langext.Ptr(exerr.ErrorSeverity{})), exerr.ErrorSeverity{})
-
-	reg.RegisterTypeDecoder(reflect.TypeOf(exerr.ErrorType{}), exerr.ErrorType{})
-	reg.RegisterTypeDecoder(reflect.TypeOf(langext.Ptr(exerr.ErrorType{})), exerr.ErrorType{})
-
-	// otherwise we get []primitve.E when unmarshalling into any
 	// which will result in {'key': .., 'value': ...}[] json when json-marshalling
-	reg.RegisterTypeMapEntry(bson.TypeEmbeddedDocument, reflect.TypeOf(primitive.M{}))
+	reg.RegisterTypeMapEntry(bson.TypeEmbeddedDocument, reflect.TypeOf(bson.M{}))
 
 	return reg
 }

pagination/filter.go

@@ -2,8 +2,9 @@ package pagination
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/bson"
+
-	"go.mongodb.org/mongo-driver/mongo"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.mongodb.org/mongo-driver/v2/mongo"
 )
 
 type MongoFilter interface {

reflectext/primStrSer.go

@@ -3,12 +3,13 @@ package reflectext
 import (
 	"errors"
 	"fmt"
-	"go.mongodb.org/mongo-driver/bson/primitive"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"reflect"
 	"strconv"
 	"strings"
 	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
 var primitiveSerializer = map[reflect.Type]genSerializer{
@@ -28,7 +29,7 @@ var primitiveSerializer = map[reflect.Type]genSerializer{
 
 	reflect.TypeOf(true): newGenSerializer(serBoolToString, serStringToBool),
 
-	reflect.TypeOf(primitive.ObjectID{}): newGenSerializer(serObjectIDToString, serStringToObjectID),
+	reflect.TypeOf(bson.ObjectID{}): newGenSerializer(serObjectIDToString, serStringToObjectID),
 
 	reflect.TypeOf(time.Time{}): newGenSerializer(serTimeToString, serStringToTime),
 }
@@ -111,15 +112,15 @@ func serStringToBool(v string) (bool, error) {
 	return false, errors.New(fmt.Sprintf("invalid boolean value '%s'", v))
 }
 
-func serObjectIDToString(v primitive.ObjectID) (string, error) {
+func serObjectIDToString(v bson.ObjectID) (string, error) {
 	return v.Hex(), nil
 }
 
-func serStringToObjectID(v string) (primitive.ObjectID, error) {
+func serStringToObjectID(v string) (bson.ObjectID, error) {
-	if rv, err := primitive.ObjectIDFromHex(v); err == nil {
+	if rv, err := bson.ObjectIDFromHex(v); err == nil {
 		return rv, nil
 	} else {
-		return primitive.ObjectID{}, err
+		return bson.ObjectID{}, err
 	}
 }
 

rfctime/date.go

@@ -4,14 +4,11 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"go.mongodb.org/mongo-driver/bson"
-	"go.mongodb.org/mongo-driver/bson/bsoncodec"
-	"go.mongodb.org/mongo-driver/bson/bsonrw"
-	"go.mongodb.org/mongo-driver/bson/bsontype"
-	"reflect"
 	"strconv"
 	"strings"
 	"time"
+
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
 type Date struct {
@@ -83,8 +80,8 @@ func (t *Date) UnmarshalText(data []byte) error {
 	return t.ParseString(string(data))
 }
 
-func (t *Date) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
+func (t *Date) UnmarshalBSONValue(bt byte, data []byte) error {
-	if bt == bsontype.Null {
+	if bson.Type(bt) == bson.TypeNull {
 		// we can't set nil in UnmarshalBSONValue (so we use default(struct))
 		// Use mongoext.CreateGoExtBsonRegistry if you need to unmarsh pointer values
 		// https://stackoverflow.com/questions/75167597
@@ -92,12 +89,12 @@ func (t *Date) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
 		*t = Date{}
 		return nil
 	}
-	if bt != bsontype.String {
+	if bson.Type(bt) != bson.TypeString {
-		return errors.New(fmt.Sprintf("cannot unmarshal %v into Date", bt))
+		return errors.New(fmt.Sprintf("cannot unmarshal %v into Date", bson.Type(bt)))
 	}
 
 	var tt string
-	err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
+	err := bson.RawValue{Type: bson.Type(bt), Value: data}.Unmarshal(&tt)
 	if err != nil {
 		return err
 	}
@@ -120,43 +117,16 @@ func (t *Date) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
 	return nil
 }
 
-func (t Date) MarshalBSONValue() (bsontype.Type, []byte, error) {
+func (t Date) MarshalBSONValue() (byte, []byte, error) {
+	var tp bson.Type
+	var data []byte
+	var err error
 	if t.IsZero() {
-		return bson.MarshalValue("")
+		tp, data, err = bson.MarshalValue("")
-	}
-	return bson.MarshalValue(t.String())
-}
-
-func (t Date) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
-	if val.Kind() == reflect.Ptr && val.IsNil() {
-		if !val.CanSet() {
-			return errors.New("ValueUnmarshalerDecodeValue")
-		}
-		val.Set(reflect.New(val.Type().Elem()))
-	}
-
-	tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr && len(src) == 0 {
-		val.Set(reflect.Zero(val.Type()))
-		return nil
-	}
-
-	err = t.UnmarshalBSONValue(tp, src)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr {
-		val.Set(reflect.ValueOf(&t))
 	} else {
-		val.Set(reflect.ValueOf(t))
+		tp, data, err = bson.MarshalValue(t.String())
 	}
-
+	return byte(tp), data, err
-	return nil
 }
 
 func (t Date) Serialize() string {

rfctime/interface.go

@@ -10,7 +10,8 @@ type RFCTime interface {
 
 	After(u AnyTime) bool
 	Before(u AnyTime) bool
-	Equal(u AnyTime) bool
+
+	EqualAny(u AnyTime) bool
 
 	Sub(u AnyTime) time.Duration
 }
@@ -49,45 +50,15 @@ type AnyTime interface {
 }
 
 type RFCDuration interface {
-	Time() time.Time
+	Hours() float64
-	Serialize() string
+	Minutes() float64
-
+	Seconds() float64
-	UnmarshalJSON(bytes []byte) error
+	Microseconds() int64
-	MarshalJSON() ([]byte, error)
+	Milliseconds() int64
-
+	Nanoseconds() int64
-	MarshalBinary() ([]byte, error)
-	UnmarshalBinary(data []byte) error
-
-	GobEncode() ([]byte, error)
-	GobDecode(data []byte) error
-
-	MarshalText() ([]byte, error)
-	UnmarshalText(data []byte) error
-
-	After(u AnyTime) bool
-	Before(u AnyTime) bool
-	Equal(u AnyTime) bool
-	IsZero() bool
-	Date() (year int, month time.Month, day int)
-	Year() int
-	Month() time.Month
-	Day() int
-	Weekday() time.Weekday
-	ISOWeek() (year, week int)
-	Clock() (hour, min, sec int)
-	Hour() int
-	Minute() int
-	Second() int
-	Nanosecond() int
-	YearDay() int
-	Sub(u AnyTime) time.Duration
-	Unix() int64
-	UnixMilli() int64
-	UnixMicro() int64
-	UnixNano() int64
-	Format(layout string) string
-	GoString() string
 	String() string
+
+	Duration() time.Duration
 }
 
 func tt(v AnyTime) time.Time {

rfctime/rfc3339.go

@@ -4,13 +4,10 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"go.mongodb.org/mongo-driver/bson"
-	"go.mongodb.org/mongo-driver/bson/bsoncodec"
-	"go.mongodb.org/mongo-driver/bson/bsonrw"
-	"go.mongodb.org/mongo-driver/bson/bsontype"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
-	"reflect"
 	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
 type RFC3339Time time.Time
@@ -69,8 +66,8 @@ func (t *RFC3339Time) UnmarshalText(data []byte) error {
 	return nil
 }
 
-func (t *RFC3339Time) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
+func (t *RFC3339Time) UnmarshalBSONValue(bt byte, data []byte) error {
-	if bt == bson.TypeNull {
+	if bson.Type(bt) == bson.TypeNull {
 		// we can't set nil in UnmarshalBSONValue (so we use default(struct))
 		// Use mongoext.CreateGoExtBsonRegistry if you need to unmarsh pointer values
 		// https://stackoverflow.com/questions/75167597
@@ -78,11 +75,11 @@ func (t *RFC3339Time) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
 		*t = RFC3339Time{}
 		return nil
 	}
-	if bt != bson.TypeDateTime {
+	if bson.Type(bt) != bson.TypeDateTime {
-		return errors.New(fmt.Sprintf("cannot unmarshal %v into RFC3339Time", bt))
+		return errors.New(fmt.Sprintf("cannot unmarshal %v into RFC3339Time", bson.Type(bt)))
 	}
 	var tt time.Time
-	err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
+	err := bson.RawValue{Type: bson.Type(bt), Value: data}.Unmarshal(&tt)
 	if err != nil {
 		return err
 	}
@@ -90,40 +87,9 @@ func (t *RFC3339Time) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
 	return nil
 }
 
-func (t RFC3339Time) MarshalBSONValue() (bsontype.Type, []byte, error) {
+func (t RFC3339Time) MarshalBSONValue() (byte, []byte, error) {
-	return bson.MarshalValue(time.Time(t))
+	tp, data, err := bson.MarshalValue(time.Time(t))
-}
+	return byte(tp), data, err
-
-func (t RFC3339Time) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
-	if val.Kind() == reflect.Ptr && val.IsNil() {
-		if !val.CanSet() {
-			return errors.New("ValueUnmarshalerDecodeValue")
-		}
-		val.Set(reflect.New(val.Type().Elem()))
-	}
-
-	tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr && len(src) == 0 {
-		val.Set(reflect.Zero(val.Type()))
-		return nil
-	}
-
-	err = t.UnmarshalBSONValue(tp, src)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr {
-		val.Set(reflect.ValueOf(&t))
-	} else {
-		val.Set(reflect.ValueOf(t))
-	}
-
-	return nil
 }
 
 func (t RFC3339Time) Serialize() string {
@@ -142,7 +108,14 @@ func (t RFC3339Time) Before(u AnyTime) bool {
 	return t.Time().Before(tt(u))
 }
 
-func (t RFC3339Time) Equal(u AnyTime) bool {
+func (t RFC3339Time) Equal(u RFC3339Time) bool {
+	return t.Time().Equal(u.Time())
+}
+
+func (t RFC3339Time) EqualAny(u AnyTime) bool {
+	if u == nil {
+		return false
+	}
 	return t.Time().Equal(tt(u))
 }
 
@@ -256,3 +229,7 @@ func NewRFC3339Ptr(t *time.Time) *RFC3339Time {
 func NowRFC3339() RFC3339Time {
 	return RFC3339Time(time.Now())
 }
+
+func (t RFC3339Time) ToNano() RFC3339NanoTime {
+	return NewRFC3339Nano(t.Time())
+}

rfctime/rfc3339Nano.go

@@ -4,13 +4,10 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"go.mongodb.org/mongo-driver/bson"
-	"go.mongodb.org/mongo-driver/bson/bsoncodec"
-	"go.mongodb.org/mongo-driver/bson/bsonrw"
-	"go.mongodb.org/mongo-driver/bson/bsontype"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
-	"reflect"
 	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
 type RFC3339NanoTime time.Time
@@ -69,8 +66,8 @@ func (t *RFC3339NanoTime) UnmarshalText(data []byte) error {
 	return nil
 }
 
-func (t *RFC3339NanoTime) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
+func (t *RFC3339NanoTime) UnmarshalBSONValue(bt byte, data []byte) error {
-	if bt == bson.TypeNull {
+	if bson.Type(bt) == bson.TypeNull {
 		// we can't set nil in UnmarshalBSONValue (so we use default(struct))
 		// Use mongoext.CreateGoExtBsonRegistry if you need to unmarsh pointer values
 		// https://stackoverflow.com/questions/75167597
@@ -78,11 +75,11 @@ func (t *RFC3339NanoTime) UnmarshalBSONValue(bt bsontype.Type, data []byte) erro
 		*t = RFC3339NanoTime{}
 		return nil
 	}
-	if bt != bson.TypeDateTime {
+	if bson.Type(bt) != bson.TypeDateTime {
-		return errors.New(fmt.Sprintf("cannot unmarshal %v into RFC3339NanoTime", bt))
+		return errors.New(fmt.Sprintf("cannot unmarshal %v into RFC3339NanoTime", bson.Type(bt)))
 	}
 	var tt time.Time
-	err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
+	err := bson.RawValue{Type: bson.Type(bt), Value: data}.Unmarshal(&tt)
 	if err != nil {
 		return err
 	}
@@ -90,40 +87,9 @@ func (t *RFC3339NanoTime) UnmarshalBSONValue(bt bsontype.Type, data []byte) erro
 	return nil
 }
 
-func (t RFC3339NanoTime) MarshalBSONValue() (bsontype.Type, []byte, error) {
+func (t RFC3339NanoTime) MarshalBSONValue() (byte, []byte, error) {
-	return bson.MarshalValue(time.Time(t))
+	tp, data, err := bson.MarshalValue(time.Time(t))
-}
+	return byte(tp), data, err
-
-func (t RFC3339NanoTime) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
-	if val.Kind() == reflect.Ptr && val.IsNil() {
-		if !val.CanSet() {
-			return errors.New("ValueUnmarshalerDecodeValue")
-		}
-		val.Set(reflect.New(val.Type().Elem()))
-	}
-
-	tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr && len(src) == 0 {
-		val.Set(reflect.Zero(val.Type()))
-		return nil
-	}
-
-	err = t.UnmarshalBSONValue(tp, src)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr {
-		val.Set(reflect.ValueOf(&t))
-	} else {
-		val.Set(reflect.ValueOf(t))
-	}
-
-	return nil
 }
 
 func (t RFC3339NanoTime) Serialize() string {
@@ -142,7 +108,14 @@ func (t RFC3339NanoTime) Before(u AnyTime) bool {
 	return t.Time().Before(tt(u))
 }
 
-func (t RFC3339NanoTime) Equal(u AnyTime) bool {
+func (t RFC3339NanoTime) Equal(u RFC3339NanoTime) bool {
+	return t.Time().Equal(u.Time())
+}
+
+func (t RFC3339NanoTime) EqualAny(u AnyTime) bool {
+	if u == nil {
+		return false
+	}
 	return t.Time().Equal(tt(u))
 }
 

rfctime/rfc3339Nano_test.go

@@ -2,10 +2,11 @@ package rfctime
 
 import (
 	"encoding/json"
-	"git.blackforestbytes.com/BlackForestBytes/goext/timeext"
-	"git.blackforestbytes.com/BlackForestBytes/goext/tst"
 	"testing"
 	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/timeext"
+	"git.blackforestbytes.com/BlackForestBytes/goext/tst"
 )
 
 func TestRoundtrip(t *testing.T) {
@@ -23,8 +24,8 @@ func TestRoundtrip(t *testing.T) {
 	}
 
 	if string(jstr1) != "{\"v\":\"2023-02-09T15:05:56.820915171+01:00\"}" {
-		t.Errorf(string(jstr1))
+		t.Error(string(jstr1))
-		t.Errorf("repr differs")
+		t.Error("repr differs")
 	}
 
 	w2 := Wrap{}
@@ -41,7 +42,7 @@ func TestRoundtrip(t *testing.T) {
 
 	tst.AssertEqual(t, string(jstr1), string(jstr2))
 
-	if !w1.Value.Equal(&w2.Value) {
+	if !w1.Value.EqualAny(&w2.Value) {
 		t.Errorf("time differs")
 	}
 

rfctime/seconds.go

@@ -4,13 +4,10 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"go.mongodb.org/mongo-driver/bson"
-	"go.mongodb.org/mongo-driver/bson/bsoncodec"
-	"go.mongodb.org/mongo-driver/bson/bsonrw"
-	"go.mongodb.org/mongo-driver/bson/bsontype"
-	"git.blackforestbytes.com/BlackForestBytes/goext/timeext"
-	"reflect"
 	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/timeext"
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
 type SecondsF64 time.Duration
@@ -61,8 +58,8 @@ func (d SecondsF64) MarshalJSON() ([]byte, error) {
 	return json.Marshal(secs)
 }
 
-func (d *SecondsF64) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
+func (d *SecondsF64) UnmarshalBSONValue(bt byte, data []byte) error {
-	if bt == bson.TypeNull {
+	if bson.Type(bt) == bson.TypeNull {
 		// we can't set nil in UnmarshalBSONValue (so we use default(struct))
 		// Use mongoext.CreateGoExtBsonRegistry if you need to unmarsh pointer values
 		// https://stackoverflow.com/questions/75167597
@@ -70,11 +67,11 @@ func (d *SecondsF64) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
 		*d = SecondsF64(0)
 		return nil
 	}
-	if bt != bson.TypeDouble {
+	if bson.Type(bt) != bson.TypeDouble {
-		return errors.New(fmt.Sprintf("cannot unmarshal %v into SecondsF64", bt))
+		return errors.New(fmt.Sprintf("cannot unmarshal %v into SecondsF64", bson.Type(bt)))
 	}
 	var secValue float64
-	err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&secValue)
+	err := bson.RawValue{Type: bson.Type(bt), Value: data}.Unmarshal(&secValue)
 	if err != nil {
 		return err
 	}
@@ -82,40 +79,9 @@ func (d *SecondsF64) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
 	return nil
 }
 
-func (d SecondsF64) MarshalBSONValue() (bsontype.Type, []byte, error) {
+func (d SecondsF64) MarshalBSONValue() (byte, []byte, error) {
-	return bson.MarshalValue(d.Seconds())
+	tp, data, err := bson.MarshalValue(d.Seconds())
-}
+	return byte(tp), data, err
-
-func (d SecondsF64) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
-	if val.Kind() == reflect.Ptr && val.IsNil() {
-		if !val.CanSet() {
-			return errors.New("ValueUnmarshalerDecodeValue")
-		}
-		val.Set(reflect.New(val.Type().Elem()))
-	}
-
-	tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr && len(src) == 0 {
-		val.Set(reflect.Zero(val.Type()))
-		return nil
-	}
-
-	err = d.UnmarshalBSONValue(tp, src)
-	if err != nil {
-		return err
-	}
-
-	if val.Kind() == reflect.Ptr {
-		val.Set(reflect.ValueOf(&d))
-	} else {
-		val.Set(reflect.ValueOf(d))
-	}
-
-	return nil
 }
 
 func NewSecondsF64(t time.Duration) SecondsF64 {

rfctime/unix.go

@@ -4,11 +4,11 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/bson/bsoncodec"
 	"go.mongodb.org/mongo-driver/bson/bsonrw"
 	"go.mongodb.org/mongo-driver/bson/bsontype"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"reflect"
 	"strconv"
 	"time"
@@ -136,7 +136,14 @@ func (t UnixTime) Before(u AnyTime) bool {
 	return t.Time().Before(tt(u))
 }
 
-func (t UnixTime) Equal(u AnyTime) bool {
+func (t UnixTime) Equal(u UnixTime) bool {
+	return t.Time().Equal(u.Time())
+}
+
+func (t UnixTime) EqualAny(u AnyTime) bool {
+	if u == nil {
+		return false
+	}
 	return t.Time().Equal(tt(u))
 }
 

rfctime/unixMilli.go

@@ -4,11 +4,11 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/bson/bsoncodec"
 	"go.mongodb.org/mongo-driver/bson/bsonrw"
 	"go.mongodb.org/mongo-driver/bson/bsontype"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"reflect"
 	"strconv"
 	"time"
@@ -136,7 +136,14 @@ func (t UnixMilliTime) Before(u AnyTime) bool {
 	return t.Time().Before(tt(u))
 }
 
-func (t UnixMilliTime) Equal(u AnyTime) bool {
+func (t UnixMilliTime) Equal(u UnixMilliTime) bool {
+	return t.Time().Equal(u.Time())
+}
+
+func (t UnixMilliTime) EqualAny(u AnyTime) bool {
+	if u == nil {
+		return false
+	}
 	return t.Time().Equal(tt(u))
 }
 

rfctime/unixNano.go

@@ -4,11 +4,11 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/bson/bsoncodec"
 	"go.mongodb.org/mongo-driver/bson/bsonrw"
 	"go.mongodb.org/mongo-driver/bson/bsontype"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"reflect"
 	"strconv"
 	"time"
@@ -136,7 +136,14 @@ func (t UnixNanoTime) Before(u AnyTime) bool {
 	return t.Time().Before(tt(u))
 }
 
-func (t UnixNanoTime) Equal(u AnyTime) bool {
+func (t UnixNanoTime) Equal(u UnixNanoTime) bool {
+	return t.Time().Equal(u.Time())
+}
+
+func (t UnixNanoTime) EqualAny(u AnyTime) bool {
+	if u == nil {
+		return false
+	}
 	return t.Time().Equal(tt(u))
 }
 

scn/scn.go

@@ -1,13 +1,11 @@
 package scn
 
 type Connection struct {
-	uid   string
 	token string
 }
 
-func New(userid string, token string) *Connection {
+func New(token string) *Connection {
 	return &Connection{
-		uid:   userid,
 		token: token,
 	}
 }

scn/send.go

@@ -3,12 +3,13 @@ package scn
 import (
 	"bytes"
 	"context"
-	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
-	json "git.blackforestbytes.com/BlackForestBytes/goext/gojson"
-	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"io"
 	"net/http"
 	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
+	json "git.blackforestbytes.com/BlackForestBytes/goext/gojson"
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 )
 
 var (
@@ -53,6 +54,10 @@ func (c *Connection) Message(title string) *MessageBuilder {
 	return &MessageBuilder{conn: c, title: title}
 }
 
+func (c *Connection) Title(title string) *MessageBuilder {
+	return &MessageBuilder{conn: c, title: title}
+}
+
 func (c *MessageBuilder) Channel(channel string) *MessageBuilder {
 	c.channel = &channel
 	return c
@@ -83,7 +88,6 @@ func (c *MessageBuilder) Send(ctx context.Context) (MessageResponse, error) {
 
 	body := langext.H{}
 
-	body["user_id"] = c.conn.uid
 	body["key"] = c.conn.token
 
 	if c.channel != nil {
@@ -97,7 +101,7 @@ func (c *MessageBuilder) Send(ctx context.Context) (MessageResponse, error) {
 	}
 
 	if c.sendername != nil {
-		body["content"] = *c.sendername
+		body["sender_name"] = *c.sendername
 	}
 
 	if c.time != nil {

scn/send_test.go

@@ -10,8 +10,8 @@ func TestSendSCN(t *testing.T) {
 	t.Skip()
 	return
 
-	mr, err := New("TODO", "TODO").
+	mr, err := New("TODO").
-		Message("Hello Test").
+		Title("Hello Test").
 		Content("This is a test / goext").
 		Send(context.Background())
 

syncext/atomic.go

@@ -1,17 +1,23 @@
 package syncext
 
 import (
+	"context"
 	"sync"
+	"time"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 )
 
-type Atomic[T any] struct {
+type Atomic[T comparable] struct {
 	v        T
 	lock     sync.RWMutex
+	listener map[string]chan T
 }
 
-func NewAtomic[T any](value T) *Atomic[T] {
+func NewAtomic[T comparable](value T) *Atomic[T] {
 	return &Atomic[T]{
 		v:        value,
+		listener: make(map[string]chan T),
 		lock:     sync.RWMutex{},
 	}
 }
@@ -26,9 +32,138 @@ func (a *Atomic[T]) Set(value T) T {
 	a.lock.Lock()
 	defer a.lock.Unlock()
 
+	return a.setInternal(value)
+}
+
+func (a *Atomic[T]) setInternal(value T) T {
+	// not locked !!
+	// only call from locked context
+
 	oldValue := a.v
 
 	a.v = value
 
+	for k, v := range a.listener {
+		select {
+		case v <- value:
+			// message sent
+		default:
+			// no receiver on channel
+			delete(a.listener, k)
+		}
+	}
+
 	return oldValue
 }
+
+func (a *Atomic[T]) WaitForChange() chan T {
+	outChan := make(chan T)
+	inChan := make(chan T)
+
+	uuid, _ := langext.NewHexUUID()
+
+	a.lock.Lock()
+	a.listener[uuid] = inChan
+	a.lock.Unlock()
+
+	go func() {
+
+		v := <-inChan
+
+		a.lock.Lock()
+		delete(a.listener, uuid)
+		a.lock.Unlock()
+
+		outChan <- v
+
+		close(outChan)
+	}()
+
+	return outChan
+}
+
+func (a *Atomic[T]) Wait(waitFor T) {
+	_ = a.WaitWithContext(context.Background(), waitFor)
+}
+
+func (a *Atomic[T]) WaitWithTimeout(timeout time.Duration, waitFor T) error {
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+	return a.WaitWithContext(ctx, waitFor)
+}
+
+func (a *Atomic[T]) WaitWithContext(ctx context.Context, waitFor T) error {
+	if err := ctx.Err(); err != nil {
+		return err
+	}
+
+	if a.Get() == waitFor {
+		return nil
+	}
+
+	uuid, _ := langext.NewHexUUID()
+
+	waitchan := make(chan T)
+
+	a.lock.Lock()
+	a.listener[uuid] = waitchan
+	a.lock.Unlock()
+	defer func() {
+		a.lock.Lock()
+		delete(a.listener, uuid)
+		a.lock.Unlock()
+	}()
+
+	for {
+		if err := ctx.Err(); err != nil {
+			return err
+		}
+
+		timeOut := 1024 * time.Millisecond
+
+		if dl, ok := ctx.Deadline(); ok {
+			timeOutMax := dl.Sub(time.Now())
+			if timeOutMax <= 0 {
+				timeOut = 0
+			} else if 0 < timeOutMax && timeOutMax < timeOut {
+				timeOut = timeOutMax
+			}
+		}
+
+		if v, ok := ReadChannelWithTimeout(waitchan, timeOut); ok {
+			if v == waitFor {
+				return nil
+			}
+		} else {
+			if err := ctx.Err(); err != nil {
+				return err
+			}
+
+			if a.Get() == waitFor {
+				return nil
+			}
+		}
+	}
+}
+
+func (a *Atomic[T]) Update(fn func(old T) T) {
+	a.lock.Lock()
+	defer a.lock.Unlock()
+
+	oldValue := a.v
+	newValue := fn(oldValue)
+
+	a.setInternal(newValue)
+}
+
+func (a *Atomic[T]) CompareAndSwap(old, new T) bool {
+	a.lock.Lock()
+	defer a.lock.Unlock()
+
+	if a.v == old {
+		a.setInternal(new)
+		return true
+	} else {
+		return false
+	}
+}

syncext/channel.go

@@ -1,6 +1,7 @@
 package syncext
 
 import (
+	"golang.org/x/net/context"
 	"time"
 )
 
@@ -26,6 +27,15 @@ func WriteChannelWithTimeout[T any](c chan T, msg T, timeout time.Duration) bool
 	}
 }
 
+func WriteChannelWithContext[T any](ctx context.Context, c chan T, msg T) error {
+	select {
+	case c <- msg:
+		return nil
+	case <-ctx.Done():
+		return ctx.Err()
+	}
+}
+
 func ReadNonBlocking[T any](c chan T) (T, bool) {
 	select {
 	case msg := <-c:

timeext/time.go

@@ -3,6 +3,7 @@ package timeext
 import (
 	"fmt"
 	"math"
+	"sort"
 	"time"
 )
 
@@ -142,6 +143,42 @@ func Max(a time.Time, b time.Time) time.Time {
 	}
 }
 
+func Avg(v ...time.Time) time.Time {
+	if len(v) == 0 {
+		return time.Time{}
+	}
+
+	t0 := v[0].UnixNano()
+
+	var dsum int64
+	for _, t := range v {
+		dsum += t.UnixNano() - t0
+	}
+
+	tAvg := t0 + (dsum / int64(len(v)))
+
+	return time.Unix(0, tAvg)
+}
+
+func Median(v ...time.Time) time.Time {
+	if len(v) == 0 {
+		return time.Time{}
+	}
+
+	sorted := make([]time.Time, len(v))
+	copy(sorted, v)
+	sort.Slice(sorted, func(i, j int) bool {
+		return sorted[i].UnixNano() < sorted[j].UnixNano()
+	})
+
+	mid := len(sorted) / 2
+	if len(sorted)%2 == 0 {
+		return Avg(sorted[mid-1], sorted[mid])
+	} else {
+		return sorted[mid]
+	}
+}
+
 func UnixFloatSeconds(v float64) time.Time {
 	sec, dec := math.Modf(v)
 	return time.Unix(int64(sec), int64(dec*(1e9)))

timeext/time_test.go

@@ -227,3 +227,192 @@ func TestDaysInMonth_FebruaryNonLeapYear(t *testing.T) {
 		t.Errorf("Expected %d but got %d", expected, result)
 	}
 }
+
+func TestAvg_MultipleValues(t *testing.T) {
+	t1 := time.Date(2022, 1, 1, 0, 0, 0, 0, time.UTC)
+	t2 := time.Date(2022, 1, 3, 0, 0, 0, 0, time.UTC)
+	t3 := time.Date(2022, 1, 5, 0, 0, 0, 0, time.UTC)
+
+	// Average should be January 3, 2022 (middle date)
+	expected := time.Date(2022, 1, 3, 0, 0, 0, 0, time.UTC)
+	result := Avg(t1, t2, t3)
+
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestAvg_ManyValues(t *testing.T) {
+	t1 := time.Date(2022, 1, 1, 0, 0, 0, 0, time.UTC)
+	t2 := time.Date(2022, 1, 2, 0, 0, 0, 0, time.UTC)
+	t3 := time.Date(2022, 1, 3, 0, 0, 0, 0, time.UTC)
+	t4 := time.Date(2022, 1, 4, 0, 0, 0, 0, time.UTC)
+	t5 := time.Date(2022, 1, 5, 0, 0, 0, 0, time.UTC)
+	t6 := time.Date(2022, 1, 6, 0, 0, 0, 0, time.UTC)
+	t7 := time.Date(2022, 1, 7, 0, 0, 0, 0, time.UTC)
+	t8 := time.Date(2022, 1, 8, 0, 0, 0, 0, time.UTC)
+	t9 := time.Date(2022, 1, 9, 0, 0, 0, 0, time.UTC)
+
+	expected := time.Date(2022, 1, 5, 0, 0, 0, 0, time.UTC)
+	result := Avg(t1, t2, t3, t4, t5, t6, t7, t8, t9)
+
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestAvg_TwoValues(t *testing.T) {
+	t1 := time.Date(2022, 1, 1, 0, 0, 0, 0, time.UTC)
+	t2 := time.Date(2022, 1, 3, 0, 0, 0, 0, time.UTC)
+
+	expected := time.Date(2022, 1, 2, 0, 0, 0, 0, time.UTC)
+	result := Avg(t1, t2)
+
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestAvg_EmptySlice(t *testing.T) {
+	result := Avg()
+	expected := time.Time{}
+
+	if !result.Equal(expected) {
+		t.Errorf("Expected zero time but got %v", result)
+	}
+}
+
+func TestMedian_OddNumberOfValues(t *testing.T) {
+	t1 := time.Date(2022, 1, 1, 0, 0, 0, 0, time.UTC)
+	t2 := time.Date(2022, 1, 3, 0, 0, 0, 0, time.UTC)
+	t3 := time.Date(2022, 1, 5, 0, 0, 0, 0, time.UTC)
+
+	// Median should be the middle date
+	expected := t2
+	result := Median(t1, t2, t3)
+
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestMedian_EvenNumberOfValues(t *testing.T) {
+	t1 := time.Date(2022, 1, 1, 0, 0, 0, 0, time.UTC)
+	t2 := time.Date(2022, 1, 2, 0, 0, 0, 0, time.UTC)
+	t3 := time.Date(2022, 1, 3, 0, 0, 0, 0, time.UTC)
+	t4 := time.Date(2022, 1, 4, 0, 0, 0, 0, time.UTC)
+
+	// Median for even number of values should be average of middle two
+	expected := time.Date(2022, 1, 2, 12, 0, 0, 0, time.UTC)
+	result := Median(t1, t2, t3, t4)
+
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestMedian_UnsortedValues(t *testing.T) {
+	t1 := time.Date(2022, 1, 5, 0, 0, 0, 0, time.UTC)
+	t2 := time.Date(2022, 1, 1, 0, 0, 0, 0, time.UTC)
+	t3 := time.Date(2022, 1, 3, 0, 0, 0, 0, time.UTC)
+
+	// Median should correctly sort values first
+	expected := t3
+	result := Median(t1, t2, t3)
+
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestMedian_EmptySlice(t *testing.T) {
+	result := Median()
+	expected := time.Time{}
+
+	if !result.Equal(expected) {
+		t.Errorf("Expected zero time but got %v", result)
+	}
+}
+
+func TestTimeToDatePart(t *testing.T) {
+	tz := TimezoneBerlin
+	tm := time.Date(2022, 1, 1, 13, 14, 15, 0, tz)
+	expected := time.Date(2022, 1, 1, 0, 0, 0, 0, tz)
+	result := TimeToDatePart(tm, tz)
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestTimeToWeekStart(t *testing.T) {
+	tz := TimezoneBerlin
+	// January 5, 2022 was a Wednesday
+	tm := time.Date(2022, 1, 5, 13, 14, 15, 0, tz)
+	// Should return Monday, January 3, 2022
+	expected := time.Date(2022, 1, 3, 0, 0, 0, 0, tz)
+	result := TimeToWeekStart(tm, tz)
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestTimeToWeekStart_WhenMonday(t *testing.T) {
+	tz := TimezoneBerlin
+	// January 3, 2022 was a Monday
+	tm := time.Date(2022, 1, 3, 13, 14, 15, 0, tz)
+	expected := time.Date(2022, 1, 3, 0, 0, 0, 0, tz)
+	result := TimeToWeekStart(tm, tz)
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestTimeToMonthStart(t *testing.T) {
+	tz := TimezoneBerlin
+	tm := time.Date(2022, 1, 15, 13, 14, 15, 0, tz)
+	expected := time.Date(2022, 1, 1, 0, 0, 0, 0, tz)
+	result := TimeToMonthStart(tm, tz)
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestTimeToMonthEnd(t *testing.T) {
+	tz := TimezoneBerlin
+	tm := time.Date(2022, 1, 15, 13, 14, 15, 0, tz)
+	expected := time.Date(2022, 2, 1, 0, 0, 0, 0, tz).Add(-1)
+	result := TimeToMonthEnd(tm, tz)
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestTimeToYearStart(t *testing.T) {
+	tz := TimezoneBerlin
+	tm := time.Date(2022, 5, 15, 13, 14, 15, 0, tz)
+	expected := time.Date(2022, 1, 1, 0, 0, 0, 0, tz)
+	result := TimeToYearStart(tm, tz)
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestTimeToYearEnd(t *testing.T) {
+	tz := TimezoneBerlin
+	tm := time.Date(2022, 5, 15, 13, 14, 15, 0, tz)
+	expected := time.Date(2023, 1, 1, 0, 0, 0, 0, tz).Add(-1)
+	result := TimeToYearEnd(tm, tz)
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}
+
+func TestTimeToNextYearStart(t *testing.T) {
+	tz := TimezoneBerlin
+	tm := time.Date(2022, 5, 15, 13, 14, 15, 0, tz)
+	expected := time.Date(2023, 1, 1, 0, 0, 0, 0, tz)
+	result := TimeToNextYearStart(tm, tz)
+	if !result.Equal(expected) {
+		t.Errorf("Expected %v but got %v", expected, result)
+	}
+}

wmo/collection.go

@@ -2,16 +2,16 @@ package wmo
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"reflect"
-	"go.mongodb.org/mongo-driver/mongo"
+
 	ct "git.blackforestbytes.com/BlackForestBytes/goext/cursortoken"
 	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
-	"reflect"
+	"go.mongodb.org/mongo-driver/v2/mongo"
 )
 
 type EntityID interface {
-	MarshalBSONValue() (bsontype.Type, []byte, error)
+	MarshalBSONValue() (byte, []byte, error)
 	String() string
 }
 

wmo/decoding.go

@@ -2,8 +2,9 @@ package wmo
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/bson"
+
 	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
+	"go.mongodb.org/mongo-driver/v2/bson"
 )
 
 func (c *Coll[TData]) decodeSingle(ctx context.Context, dec Decodable) (TData, error) {

wmo/mongo.go

@@ -1,6 +1,6 @@
 package wmo
 
-import "go.mongodb.org/mongo-driver/mongo"
+import "go.mongodb.org/mongo-driver/v2/mongo"
 
 func W[TData any](collection *mongo.Collection) *Coll[TData] {
 	c := Coll[TData]{coll: collection}

wmo/queryAggregate.go

@@ -2,13 +2,14 @@ package wmo
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/mongo"
+
-	"go.mongodb.org/mongo-driver/mongo/options"
 	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"go.mongodb.org/mongo-driver/v2/mongo"
+	"go.mongodb.org/mongo-driver/v2/mongo/options"
 )
 
-func (c *Coll[TData]) Aggregate(ctx context.Context, pipeline mongo.Pipeline, opts ...*options.AggregateOptions) ([]TData, error) {
+func (c *Coll[TData]) Aggregate(ctx context.Context, pipeline mongo.Pipeline, opts ...options.Lister[options.AggregateOptions]) ([]TData, error) {
 
 	for _, ppl := range c.extraModPipeline {
 		pipeline = langext.ArrConcat(pipeline, ppl(ctx))
@@ -29,7 +30,7 @@ func (c *Coll[TData]) Aggregate(ctx context.Context, pipeline mongo.Pipeline, op
 	return res, nil
 }
 
-func (c *Coll[TData]) AggregateOneOpt(ctx context.Context, pipeline mongo.Pipeline, opts ...*options.AggregateOptions) (*TData, error) {
+func (c *Coll[TData]) AggregateOneOpt(ctx context.Context, pipeline mongo.Pipeline, opts ...options.Lister[options.AggregateOptions]) (*TData, error) {
 
 	for _, ppl := range c.extraModPipeline {
 		pipeline = langext.ArrConcat(pipeline, ppl(ctx))
@@ -53,7 +54,7 @@ func (c *Coll[TData]) AggregateOneOpt(ctx context.Context, pipeline mongo.Pipeli
 	return nil, nil
 }
 
-func (c *Coll[TData]) AggregateOne(ctx context.Context, pipeline mongo.Pipeline, opts ...*options.AggregateOptions) (TData, error) {
+func (c *Coll[TData]) AggregateOne(ctx context.Context, pipeline mongo.Pipeline, opts ...options.Lister[options.AggregateOptions]) (TData, error) {
 
 	for _, ppl := range c.extraModPipeline {
 		pipeline = langext.ArrConcat(pipeline, ppl(ctx))

wmo/queryDelete.go

@@ -2,9 +2,10 @@ package wmo
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/bson"
+
-	"go.mongodb.org/mongo-driver/mongo"
 	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.mongodb.org/mongo-driver/v2/mongo"
 )
 
 func (c *Coll[TData]) DeleteOneByID(ctx context.Context, id EntityID) error {

wmo/queryFind.go

@@ -2,12 +2,13 @@ package wmo
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/bson"
+	"iter"
-	"go.mongodb.org/mongo-driver/mongo"
+
-	"go.mongodb.org/mongo-driver/mongo/options"
 	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
-	"iter"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.mongodb.org/mongo-driver/v2/mongo"
+	"go.mongodb.org/mongo-driver/v2/mongo/options"
 )
 
 func (c *Coll[TData]) createFindQuery(ctx context.Context, filter bson.M, opts ...*options.FindOptions) (*mongo.Cursor, error) {
@@ -51,7 +52,7 @@ func (c *Coll[TData]) createFindQuery(ctx context.Context, filter bson.M, opts .
 		}
 	}
 
-	convOpts := make([]*options.AggregateOptions, 0, len(opts))
+	convOpts := make([]*options.AggregateOptionsBuilder, 0, len(opts))
 	for _, v := range opts {
 		vConv, err := convertFindOpt(v)
 		if err != nil {
@@ -60,7 +61,14 @@ func (c *Coll[TData]) createFindQuery(ctx context.Context, filter bson.M, opts .
 		convOpts = append(convOpts, vConv)
 	}
 
-	cursor, err := c.coll.Aggregate(ctx, pipeline, convOpts...)
+	convOptsLister := make([]options.Lister[options.AggregateOptions], 0, len(convOpts))
+	for _, v := range convOpts {
+		if v != nil {
+			convOptsLister = append(convOptsLister, v)
+		}
+	}
+
+	cursor, err := c.coll.Aggregate(ctx, pipeline, convOptsLister...)
 	if err != nil {
 		return nil, exerr.Wrap(err, "mongo-aggregation failed").Any("pipeline", pipeline).Str("collection", c.Name()).Build()
 	}
@@ -137,7 +145,7 @@ func (c *Coll[TData]) FindIterate(ctx context.Context, filter bson.M, opts ...*o
 }
 
 // converts FindOptions to AggregateOptions
-func convertFindOpt(v *options.FindOptions) (*options.AggregateOptions, error) {
+func convertFindOpt(v *options.FindOptions) (*options.AggregateOptionsBuilder, error) {
 	if v == nil {
 		return nil, nil
 	}
@@ -157,7 +165,7 @@ func convertFindOpt(v *options.FindOptions) (*options.AggregateOptions, error) {
 		r.SetCollation(v.Collation)
 	}
 	if v.Comment != nil {
-		r.SetComment(*v.Comment)
+		r.SetComment(v.Comment)
 	}
 	if v.CursorType != nil {
 		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'CursorType' (cannot convert to AggregateOptions)").Build()
@@ -171,9 +179,6 @@ func convertFindOpt(v *options.FindOptions) (*options.AggregateOptions, error) {
 	if v.MaxAwaitTime != nil {
 		r.SetMaxAwaitTime(*v.MaxAwaitTime)
 	}
-	if v.MaxTime != nil {
-		r.SetMaxTime(*v.MaxTime)
-	}
 	if v.Min != nil {
 		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'Min' (cannot convert to AggregateOptions)").Build()
 	}
@@ -189,9 +194,6 @@ func convertFindOpt(v *options.FindOptions) (*options.AggregateOptions, error) {
 	if v.ShowRecordID != nil {
 		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'ShowRecordID' (cannot convert to AggregateOptions)").Build()
 	}
-	if v.Snapshot != nil {
-		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'Snapshot' (cannot convert to AggregateOptions)").Build()
-	}
 	if v.Let != nil {
 		r.SetLet(v.Let)
 	}

wmo/queryFindOne.go

@@ -3,10 +3,11 @@ package wmo
 import (
 	"context"
 	"errors"
-	"go.mongodb.org/mongo-driver/bson"
+
-	"go.mongodb.org/mongo-driver/mongo"
 	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.mongodb.org/mongo-driver/v2/mongo"
 )
 
 func (c *Coll[TData]) FindOne(ctx context.Context, filter bson.M) (TData, error) {

wmo/queryInsert.go

@@ -2,10 +2,11 @@ package wmo
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/bson"
+
-	"go.mongodb.org/mongo-driver/mongo"
 	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.mongodb.org/mongo-driver/v2/mongo"
 )
 
 func (c *Coll[TData]) InsertOne(ctx context.Context, valueIn TData) (TData, error) {

wmo/queryList.go

@@ -2,12 +2,13 @@ package wmo
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/bson"
+	"iter"
-	"go.mongodb.org/mongo-driver/mongo"
+
 	ct "git.blackforestbytes.com/BlackForestBytes/goext/cursortoken"
 	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
-	"iter"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.mongodb.org/mongo-driver/v2/mongo"
 )
 
 func (c *Coll[TData]) List(ctx context.Context, filter ct.Filter, pageSize *int, inTok ct.CursorToken) ([]TData, ct.CursorToken, error) {

wmo/queryPaginate.go

@@ -2,12 +2,13 @@ package wmo
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/bson"
+	"iter"
-	"go.mongodb.org/mongo-driver/mongo"
+
 	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	pag "git.blackforestbytes.com/BlackForestBytes/goext/pagination"
-	"iter"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.mongodb.org/mongo-driver/v2/mongo"
 )
 
 func (c *Coll[TData]) Paginate(ctx context.Context, filter pag.MongoFilter, page int, limit *int) ([]TData, pag.Pagination, error) {

wmo/queryUpdate.go

@@ -2,10 +2,11 @@ package wmo
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/bson"
+
-	"go.mongodb.org/mongo-driver/mongo"
-	"go.mongodb.org/mongo-driver/mongo/options"
 	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
+	"go.mongodb.org/mongo-driver/v2/bson"
+	"go.mongodb.org/mongo-driver/v2/mongo"
+	"go.mongodb.org/mongo-driver/v2/mongo/options"
 )
 
 func (c *Coll[TData]) FindOneAndUpdate(ctx context.Context, filterQuery bson.M, updateQuery bson.M) (TData, error) {

wmo/reflection_test.go

@@ -2,15 +2,16 @@ package wmo
 
 import (
 	"context"
-	"go.mongodb.org/mongo-driver/bson/primitive"
+	"reflect"
-	"go.mongodb.org/mongo-driver/mongo"
+	"testing"
+	"time"
+
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"git.blackforestbytes.com/BlackForestBytes/goext/rfctime"
 	"git.blackforestbytes.com/BlackForestBytes/goext/timeext"
 	"git.blackforestbytes.com/BlackForestBytes/goext/tst"
-	"reflect"
+	"go.mongodb.org/mongo-driver/v2/bson"
-	"testing"
+	"go.mongodb.org/mongo-driver/v2/mongo"
-	"time"
 )
 
 func TestReflectionGetFieldType(t *testing.T) {
@@ -29,6 +30,7 @@ func TestReflectionGetFieldType(t *testing.T) {
 		Str   string                   `bson:"str"`
 		Ptr   *int                     `bson:"ptr"`
 		MDate rfctime.RFC3339NanoTime  `bson:"mdate"`
+		ODate *rfctime.RFC3339NanoTime `bson:"odate"`
 	}
 
 	coll := W[TestData](&mongo.Collection{})
@@ -54,6 +56,7 @@ func TestReflectionGetFieldType(t *testing.T) {
 		Str:   "3",
 		Ptr:   langext.Ptr(4),
 		MDate: t1,
+		ODate: nil,
 	}
 
 	gft := func(k string) fullTypeRef {
@@ -107,6 +110,12 @@ func TestReflectionGetFieldType(t *testing.T) {
 	tst.AssertEqual(t, gft("ptr").Name, "Ptr")
 	tst.AssertEqual(t, gft("ptr").IsPointer, true)
 	tst.AssertEqual(t, *gfv("ptr").(*int), 4)
+
+	tst.AssertEqual(t, gft("odate").Kind.String(), "struct")
+	tst.AssertEqual(t, gft("odate").Type.String(), "rfctime.RFC3339NanoTime")
+	tst.AssertEqual(t, gft("odate").Name, "ODate")
+	tst.AssertEqual(t, gft("odate").IsPointer, true)
+	tst.AssertEqual(t, gfv("odate").(*rfctime.RFC3339NanoTime), nil)
 }
 
 func TestReflectionGetTokenValueAsMongoType(t *testing.T) {
@@ -226,12 +235,11 @@ func TestReflectionGetFieldValueAsTokenString(t *testing.T) {
 func TestReflectionWithInterface(t *testing.T) {
 
 	type TestData struct {
-		ID    primitive.ObjectID `bson:"_id"`
+		ID    bson.ObjectID `bson:"_id"`
 		CDate time.Time     `bson:"cdate"`
 	}
 
-	type TestInterface interface {
+	type TestInterface any
-	}
 
 	coll1 := W[TestInterface](&mongo.Collection{})
 

wsw/websocketWrapper.go

@@ -0,0 +1,177 @@
+package wsw
+
+import (
+	"encoding/json"
+	"net/http"
+	"net/url"
+	"path"
+	"strings"
+	"sync"
+
+	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
+	"github.com/gorilla/websocket"
+)
+
+// TODO move me - once finalized - to goext
+
+type WebSocketWrapper[TMessage any] struct {
+	lock sync.Mutex
+
+	running  bool
+	upgrader websocket.Upgrader
+	writer   http.ResponseWriter
+	request  *http.Request
+	socket   *websocket.Conn
+
+	fallbackDecoder func([]byte) (TMessage, error)
+
+	MessageChan chan TMessage
+	CloseChan   chan string
+	ErrorChan   chan error
+}
+
+func NewWebSocketWrapper[TMessage any](w http.ResponseWriter, r *http.Request, allowedOrigins *[]string) *WebSocketWrapper[TMessage] {
+	var checkOrigin func(r *http.Request) bool = nil
+	if allowedOrigins != nil {
+		checkOrigin = func(r *http.Request) bool {
+			origin := r.Header["Origin"]
+			if len(origin) == 0 {
+				return true
+			}
+
+			u, err := url.Parse(origin[0])
+			if err != nil {
+				return false
+			}
+
+			for _, origPattern := range *allowedOrigins {
+				if ok, err := path.Match(origPattern, u.Host); err == nil && ok {
+					return true
+				}
+			}
+
+			return false
+		}
+	}
+	return &WebSocketWrapper[TMessage]{
+		lock:     sync.Mutex{},
+		running:  false,
+		upgrader: websocket.Upgrader{CheckOrigin: checkOrigin},
+		writer:   w,
+		request:  r,
+	}
+}
+
+func (wsw *WebSocketWrapper[TMessage]) Start() error {
+	wsw.MessageChan = make(chan TMessage)
+	wsw.CloseChan = make(chan string)
+	wsw.ErrorChan = make(chan error)
+
+	var err error
+
+	wsw.socket, err = wsw.upgrader.Upgrade(wsw.writer, wsw.request, nil)
+	if err != nil {
+		return exerr.Wrap(err, "").Build()
+	}
+
+	wsw.running = true
+	go func() {
+		for wsw.running {
+			mt, message, err := wsw.socket.ReadMessage()
+			if err != nil {
+				wsw.Close("Failed to read message: " + err.Error())
+				continue
+			}
+
+			if mt == websocket.TextMessage {
+				msg, err := wsw.decode(message)
+				if err != nil {
+					wsw.ErrorChan <- err
+					continue
+				}
+				wsw.MessageChan <- msg
+			} else if mt == websocket.BinaryMessage {
+				wsw.ErrorChan <- exerr.New(exerr.TypeWebsocket, "Binary messages are not supported").Build()
+			} else if mt == websocket.CloseMessage {
+				if len(message) > 0 {
+					wsw.Close("Closed by client: " + string(message))
+				} else {
+					wsw.Close("Closed by client")
+				}
+			} else if mt == websocket.PingMessage {
+				_ = wsw.socket.WriteMessage(websocket.PongMessage, []byte{})
+			}
+		}
+		wsw.running = false
+	}()
+
+	return nil
+}
+
+func (wsw *WebSocketWrapper[TMessage]) decode(message []byte) (TMessage, error) {
+	var msg TMessage
+	err := json.Unmarshal(message, &msg)
+	if err == nil {
+		return msg, nil
+	}
+	if wsw.fallbackDecoder != nil {
+		return wsw.fallbackDecoder(message)
+	}
+	return *new(TMessage), err
+}
+
+func (wsw *WebSocketWrapper[TMessage]) Close(reasons ...string) {
+	wsw.lock.Lock()
+	defer wsw.lock.Unlock()
+
+	if !wsw.running {
+		return // already closed
+	}
+
+	reason := "Manual close"
+	if len(reasons) > 0 {
+		reason = strings.Join(reasons, " ")
+	}
+
+	wsw.CloseChan <- reason
+
+	wsw.running = false
+	_ = wsw.socket.Close()
+
+	close(wsw.MessageChan)
+	close(wsw.CloseChan)
+	close(wsw.ErrorChan)
+}
+
+func (wsw *WebSocketWrapper[TMessage]) Send(data any) {
+	if !wsw.running {
+		exerr.New(exerr.TypeWebsocket, "Cannot send to websocket -- not running").Print()
+		return
+	}
+
+	b, err := json.Marshal(data)
+	if err != nil {
+		panic(err)
+	}
+
+	err = wsw.socket.WriteMessage(websocket.TextMessage, b)
+	if err != nil {
+		exerr.New(exerr.TypeWebsocket, "Failed to send to websocket").Print()
+		wsw.Close("Failed to send to websocket: " + err.Error())
+		return
+	}
+}
+
+func (wsw *WebSocketWrapper[TMessage]) Running() bool {
+	wsw.lock.Lock()
+	defer wsw.lock.Unlock()
+
+	return wsw.running
+}
+
+func (wsw *WebSocketWrapper[TMessage]) SetFallbackDecoder(dec func([]byte) (TMessage, error)) {
+	wsw.lock.Lock()
+	defer wsw.lock.Unlock()
+
+	wsw.fallbackDecoder = dec
+}