v0.0.200

(cherry picked from commit c0443af63b)

_data/version.sh

@@ -21,6 +21,11 @@ if [ "$( git rev-parse --abbrev-ref HEAD )" != "master" ]; then
   exit 1
 fi
 
+echo ""
+echo -n "Insert optional commit message: "
+read commitMessage
+echo ""
+
 git pull --ff
 
 go get -u ./...
@@ -38,11 +43,12 @@ printf "package goext\n\nconst GoextVersion = \"%s\"\n\nconst GoextVersionTimest
 
 git add --verbose .
 
-echo "Insert option commit message:" -n
+msg="v${next_ver}"
 
-read commitMessage
+if [[ "$commitMessage" != "" ]]; then
+  msg="${msg} ${commitMessage}"
+fi
 
-msg="v${next_ver} ${commitMessage}"
 
 if [ $# -gt 0 ]; then
   msg="$1"

bfcodegen/enum-generate.go

@@ -293,15 +293,7 @@ func fmtOutput(cs string, enums []EnumDef, pkgname string) string {
 		str += "" + "\n"
 
 		str += "func (e " + enumdef.EnumTypeName + ") ValuesMeta() []EnumMetaValue {" + "\n"
-		str += "    return []EnumMetaValue{" + "\n"
-		for _, v := range enumdef.Values {
-			if hasDescr {
-				str += "        " + fmt.Sprintf("EnumMetaValue{VarName: \"%s\", Value: %s, Description: langext.Ptr(\"%s\")},", v.VarName, v.VarName, strings.TrimSpace(*v.Description)) + "\n"
-			} else {
-				str += "        " + fmt.Sprintf("EnumMetaValue{VarName: \"%s\", Value: %s, Description: nil},", v.VarName, v.VarName) + "\n"
-			}
-		}
-		str += "    }" + "\n"
+		str += "    return " + enumdef.EnumTypeName + "ValuesMeta()"
 		str += "}" + "\n"
 		str += "" + "\n"
 
@@ -330,6 +322,15 @@ func fmtOutput(cs string, enums []EnumDef, pkgname string) string {
 		str += "}" + "\n"
 		str += "" + "\n"
 
+		str += "func (e " + enumdef.EnumTypeName + ") Meta() EnumMetaValue {" + "\n"
+		if hasDescr {
+			str += "    return EnumMetaValue{VarName: e.VarName(), Value: e, Description: langext.Ptr(e.Description())}"
+		} else {
+			str += "    return EnumMetaValue{VarName: e.VarName(), Value: e, Description: nil}"
+		}
+		str += "}" + "\n"
+		str += "" + "\n"
+
 		str += "func Parse" + enumdef.EnumTypeName + "(vv string) (" + enumdef.EnumTypeName + ", bool) {" + "\n"
 		str += "    for _, ev := range __" + enumdef.EnumTypeName + "Values {" + "\n"
 		str += "        if string(ev) == vv {" + "\n"
@@ -348,11 +349,7 @@ func fmtOutput(cs string, enums []EnumDef, pkgname string) string {
 		str += "func " + enumdef.EnumTypeName + "ValuesMeta() []EnumMetaValue {" + "\n"
 		str += "    return []EnumMetaValue{" + "\n"
 		for _, v := range enumdef.Values {
-			if hasDescr {
-				str += "        " + fmt.Sprintf("EnumMetaValue{VarName: \"%s\", Value: %s, Description: langext.Ptr(\"%s\")},", v.VarName, v.VarName, strings.TrimSpace(*v.Description)) + "\n"
-			} else {
-				str += "        " + fmt.Sprintf("EnumMetaValue{VarName: \"%s\", Value: %s, Description: nil},", v.VarName, v.VarName) + "\n"
-			}
+			str += "        " + v.VarName + ".Meta(),\n"
 		}
 		str += "    }" + "\n"
 		str += "}" + "\n"

exerr/builder.go

@@ -0,0 +1,423 @@
+package exerr
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"github.com/gin-gonic/gin"
+	"github.com/rs/zerolog"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"gogs.mikescher.com/BlackForestBytes/goext/dataext"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
+	"net/http"
+	"os"
+	"runtime/debug"
+	"strings"
+	"time"
+)
+
+//
+// ==== USAGE =====
+//
+// If some method returns an error _always wrap it into an exerror:
+//     value, err := do_something(..)
+//     if err != nil {
+//         return nil, exerror.Wrap(err, "do something failed").Build()
+//     }
+//
+// If possible add metadata to the error (eg the id that was not found, ...), the methods are the same as in zerolog
+//     return nil, exerror.Wrap(err, "do something failed").Str("someid", id).Int("count", in.Count).Build()
+//
+// You can change the errortype with `.User()` and `.System()` (User-errors are 400 and System-errors 500)
+// You can also manually set the statuscode with `.WithStatuscode(http.NotFound)`
+// You can set the type with `WithType(..)`
+//
+// New Errors (that don't wrap an existing err object) are created with New
+//     return nil, exerror.New(exerror.TypeInternal, "womethign wen horrible wrong").Build()
+// You can eitehr use an existing ErrorType, the "catch-all" ErrInternal, or add you own ErrType in consts.go
+//
+// All errors should be handled one of the following four ways:
+//   - return the error to the caller and let him handle it:
+//     (also auto-prints the error to the log)
+//     => Wrap/New + Build
+//   - Print the error
+//     (also auto-sends it to the error-service)
+//     This is useful for errors that happen asynchron or are non-fatal for the current request
+//     => Wrap/New + Print
+//   - Return the error to the Rest-API caller
+//     (also auto-prints the error to the log)
+//     (also auto-sends it to the error-service)
+//     => Wrap/New + Output
+//   - Print and stop the service
+//     (also auto-sends it to the error-service)
+//     => Wrap/New + Fatal
+//
+
+var stackSkipLogger zerolog.Logger
+
+func init() {
+	cw := zerolog.ConsoleWriter{
+		Out:        os.Stdout,
+		TimeFormat: "2006-01-02 15:04:05 Z07:00",
+	}
+
+	multi := zerolog.MultiLevelWriter(cw)
+	stackSkipLogger = zerolog.New(multi).With().Timestamp().CallerWithSkipFrameCount(4).Logger()
+}
+
+type Builder struct {
+	errorData       *ExErr
+	containsGinData bool
+}
+
+func Get(err error) *Builder {
+	return &Builder{errorData: FromError(err)}
+}
+
+func New(t ErrorType, msg string) *Builder {
+	return &Builder{errorData: newExErr(CatSystem, t, msg)}
+}
+
+func Wrap(err error, msg string) *Builder {
+	if !pkgconfig.RecursiveErrors {
+		v := FromError(err)
+		v.Message = msg
+		return &Builder{errorData: v}
+	}
+	return &Builder{errorData: wrapExErr(FromError(err), msg, CatWrap, 1)}
+}
+
+// ----------------------------------------------------------------------------
+
+func (b *Builder) WithType(t ErrorType) *Builder {
+	b.errorData.Type = t
+	return b
+}
+
+func (b *Builder) WithStatuscode(status int) *Builder {
+	b.errorData.StatusCode = &status
+	return b
+}
+
+func (b *Builder) WithMessage(msg string) *Builder {
+	b.errorData.Message = msg
+	return b
+}
+
+// ----------------------------------------------------------------------------
+
+// Err changes the Severity to ERROR (default)
+// The error will be:
+//
+//   - On Build():
+//
+//   - Short-Logged as Err
+//
+//   - On Print():
+//
+//   - Logged as Err
+//
+//   - Send to the error-service
+//
+//   - On Output():
+//
+//   - Logged as Err
+//
+//   - Send to the error-service
+func (b *Builder) Err() *Builder {
+	b.errorData.Severity = SevErr
+	return b
+}
+
+// Warn changes the Severity to WARN
+// The error will be:
+//
+//   - On Build():
+//
+//   - -(nothing)-
+//
+//   - On Print():
+//
+//   - Short-Logged as Warn
+//
+//   - On Output():
+//
+//   - Logged as Warn
+func (b *Builder) Warn() *Builder {
+	b.errorData.Severity = SevWarn
+	return b
+}
+
+// Info changes the Severity to INFO
+// The error will be:
+//
+//   - On Build():
+//
+//   - -(nothing)-
+//
+//   - On Print():
+//
+//   - -(nothing)-
+//
+//   - On Output():
+//
+//   - -(nothing)-
+func (b *Builder) Info() *Builder {
+	b.errorData.Severity = SevInfo
+	return b
+}
+
+// ----------------------------------------------------------------------------
+
+// User sets the Category to CatUser
+//
+// Errors with category
+func (b *Builder) User() *Builder {
+	b.errorData.Category = CatUser
+	return b
+}
+
+func (b *Builder) System() *Builder {
+	b.errorData.Category = CatSystem
+	return b
+}
+
+// ----------------------------------------------------------------------------
+
+func (b *Builder) Id(key string, val fmt.Stringer) *Builder {
+	return b.addMeta(key, MDTID, newIDWrap(val))
+}
+
+func (b *Builder) StrPtr(key string, val *string) *Builder {
+	return b.addMeta(key, MDTStringPtr, val)
+}
+
+func (b *Builder) Str(key string, val string) *Builder {
+	return b.addMeta(key, MDTString, val)
+}
+
+func (b *Builder) Int(key string, val int) *Builder {
+	return b.addMeta(key, MDTInt, val)
+}
+
+func (b *Builder) Int8(key string, val int8) *Builder {
+	return b.addMeta(key, MDTInt8, val)
+}
+
+func (b *Builder) Int16(key string, val int16) *Builder {
+	return b.addMeta(key, MDTInt16, val)
+}
+
+func (b *Builder) Int32(key string, val int32) *Builder {
+	return b.addMeta(key, MDTInt32, val)
+}
+
+func (b *Builder) Int64(key string, val int64) *Builder {
+	return b.addMeta(key, MDTInt64, val)
+}
+
+func (b *Builder) Float32(key string, val float32) *Builder {
+	return b.addMeta(key, MDTFloat32, val)
+}
+
+func (b *Builder) Float64(key string, val float64) *Builder {
+	return b.addMeta(key, MDTFloat64, val)
+}
+
+func (b *Builder) Bool(key string, val bool) *Builder {
+	return b.addMeta(key, MDTBool, val)
+}
+
+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 {
+	return b.addMeta(key, MDTObjectID, val)
+}
+
+func (b *Builder) Time(key string, val time.Time) *Builder {
+	return b.addMeta(key, MDTTime, val)
+}
+
+func (b *Builder) Dur(key string, val time.Duration) *Builder {
+	return b.addMeta(key, MDTDuration, val)
+}
+
+func (b *Builder) Strs(key string, val []string) *Builder {
+	return b.addMeta(key, MDTStringArray, val)
+}
+
+func (b *Builder) Ints(key string, val []int) *Builder {
+	return b.addMeta(key, MDTIntArray, val)
+}
+
+func (b *Builder) Ints32(key string, val []int32) *Builder {
+	return b.addMeta(key, MDTInt32Array, val)
+}
+
+func (b *Builder) Type(key string, cls interface{}) *Builder {
+	return b.addMeta(key, MDTString, fmt.Sprintf("%T", cls))
+}
+
+func (b *Builder) Interface(key string, val interface{}) *Builder {
+	return b.addMeta(key, MDTAny, newAnyWrap(val))
+}
+
+func (b *Builder) Any(key string, val any) *Builder {
+	return b.addMeta(key, MDTAny, newAnyWrap(val))
+}
+
+func (b *Builder) Stack() *Builder {
+	return b.addMeta("@Stack", MDTString, string(debug.Stack()))
+}
+
+func (b *Builder) Errs(key string, val []error) *Builder {
+	for i, valerr := range val {
+		b.addMeta(fmt.Sprintf("%v[%v]", key, i), MDTString, Get(valerr).errorData.FormatLog(LogPrintFull))
+	}
+	return b
+}
+
+func (b *Builder) GinReq(ctx context.Context, g *gin.Context, req *http.Request) *Builder {
+	if v := ctx.Value("start_timestamp"); v != nil {
+		if t, ok := v.(time.Time); ok {
+			b.Time("ctx.startTimestamp", t)
+			b.Time("ctx.endTimestamp", time.Now())
+		}
+	}
+	b.Str("gin.method", req.Method)
+	b.Str("gin.path", g.FullPath())
+	b.Str("gin.header", formatHeader(g.Request.Header))
+	if req.URL != nil {
+		b.Str("gin.url", req.URL.String())
+	}
+	if ctxVal := g.GetString("apiversion"); ctxVal != "" {
+		b.Str("gin.context.apiversion", ctxVal)
+	}
+	if ctxVal := g.GetString("uid"); ctxVal != "" {
+		b.Str("gin.context.uid", ctxVal)
+	}
+	if ctxVal := g.GetString("fcmId"); ctxVal != "" {
+		b.Str("gin.context.fcmid", ctxVal)
+	}
+	if ctxVal := g.GetString("reqid"); ctxVal != "" {
+		b.Str("gin.context.reqid", ctxVal)
+	}
+	if req.Method != "GET" && req.Body != nil && req.Header.Get("Content-Type") == "application/json" {
+		if brc, ok := req.Body.(dataext.BufferedReadCloser); ok {
+			if bin, err := brc.BufferedAll(); err == nil {
+				if len(bin) < 16*1024 {
+					var prettyJSON bytes.Buffer
+					err = json.Indent(&prettyJSON, bin, "", "  ")
+					if err == nil {
+						b.Str("gin.body", string(prettyJSON.Bytes()))
+					} else {
+						b.Bytes("gin.body", bin)
+					}
+				} else {
+					b.Str("gin.body", fmt.Sprintf("[[%v bytes]]", len(bin)))
+				}
+			}
+		}
+	}
+
+	b.containsGinData = true
+	return b
+}
+
+func formatHeader(header map[string][]string) string {
+	ml := 1
+	for k, _ := range header {
+		if len(k) > ml {
+			ml = len(k)
+		}
+	}
+	r := ""
+	for k, v := range header {
+		if r != "" {
+			r += "\n"
+		}
+		for _, hval := range v {
+			value := hval
+			value = strings.ReplaceAll(value, "\n", "\\n")
+			value = strings.ReplaceAll(value, "\r", "\\r")
+			value = strings.ReplaceAll(value, "\t", "\\t")
+			r += langext.StrPadRight(k, " ", ml) + " := " + value
+		}
+	}
+	return r
+}
+
+// ----------------------------------------------------------------------------
+
+// Build creates a new error, ready to pass up the stack
+// If the errors is not SevWarn or SevInfo it gets also logged (in short form, without stacktrace) onto stdout
+func (b *Builder) Build() error {
+	warnOnPkgConfigNotInitialized()
+
+	if pkgconfig.ZeroLogErrTraces && (b.errorData.Severity == SevErr || b.errorData.Severity == SevFatal) {
+		b.errorData.ShortLog(stackSkipLogger.Error())
+	} else if pkgconfig.ZeroLogAllTraces {
+		b.errorData.ShortLog(stackSkipLogger.Error())
+	}
+
+	b.CallListener(MethodBuild)
+
+	return b.errorData
+}
+
+// Output prints the error onto the gin stdout.
+// The error also gets printed to stdout/stderr
+// If the error is SevErr|SevFatal we also send it to the error-service
+func (b *Builder) Output(ctx context.Context, g *gin.Context) {
+	if !b.containsGinData && g.Request != nil {
+		// Auto-Add gin metadata if the caller hasn't already done it
+		b.GinReq(ctx, g, g.Request)
+	}
+
+	b.errorData.Output(g)
+
+	if b.errorData.Severity == SevErr || b.errorData.Severity == SevFatal {
+		b.errorData.Log(stackSkipLogger.Error())
+	} else if b.errorData.Severity == SevWarn {
+		b.errorData.Log(stackSkipLogger.Warn())
+	}
+
+	b.CallListener(MethodOutput)
+}
+
+// Print prints the error
+// If the error is SevErr we also send it to the error-service
+func (b *Builder) Print() {
+	if b.errorData.Severity == SevErr || b.errorData.Severity == SevFatal {
+		b.errorData.Log(stackSkipLogger.Error())
+	} else if b.errorData.Severity == SevWarn {
+		b.errorData.ShortLog(stackSkipLogger.Warn())
+	}
+
+	b.CallListener(MethodPrint)
+}
+
+func (b *Builder) Format(level LogPrintLevel) string {
+	return b.errorData.FormatLog(level)
+}
+
+// Fatal prints the error and terminates the program
+// If the error is SevErr we also send it to the error-service
+func (b *Builder) Fatal() {
+	b.errorData.Severity = SevFatal
+	b.errorData.Log(stackSkipLogger.WithLevel(zerolog.FatalLevel))
+
+	b.CallListener(MethodFatal)
+
+	os.Exit(1)
+}
+
+// ----------------------------------------------------------------------------
+
+func (b *Builder) addMeta(key string, mdtype metaDataType, val interface{}) *Builder {
+	b.errorData.Meta.add(key, mdtype, val)
+	return b
+}

exerr/constructor.go

@@ -0,0 +1,201 @@
+package exerr
+
+import (
+	"encoding/json"
+	"fmt"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
+	"reflect"
+	"time"
+)
+
+var reflectTypeStr = reflect.TypeOf("")
+
+func FromError(err error) *ExErr {
+	if verr, ok := err.(*ExErr); ok {
+		// A simple ExErr
+		return verr
+	}
+
+	// A foreign error (eg a MongoDB exception)
+	return &ExErr{
+		UniqueID:       newID(),
+		Category:       CatForeign,
+		Type:           TypeInternal,
+		Severity:       SevErr,
+		Timestamp:      time.Time{},
+		StatusCode:     nil,
+		Message:        err.Error(),
+		WrappedErrType: fmt.Sprintf("%T", err),
+		Caller:         "",
+		OriginalError:  nil,
+		Meta:           getForeignMeta(err),
+	}
+}
+
+func newExErr(cat ErrorCategory, errtype ErrorType, msg string) *ExErr {
+	return &ExErr{
+		UniqueID:       newID(),
+		Category:       cat,
+		Type:           errtype,
+		Severity:       SevErr,
+		Timestamp:      time.Now(),
+		StatusCode:     nil,
+		Message:        msg,
+		WrappedErrType: "",
+		Caller:         callername(2),
+		OriginalError:  nil,
+		Meta:           make(map[string]MetaValue),
+	}
+}
+
+func wrapExErr(e *ExErr, msg string, cat ErrorCategory, stacktraceskip int) *ExErr {
+	return &ExErr{
+		UniqueID:       newID(),
+		Category:       cat,
+		Type:           TypeWrap,
+		Severity:       SevErr,
+		Timestamp:      time.Now(),
+		StatusCode:     e.StatusCode,
+		Message:        msg,
+		WrappedErrType: "",
+		Caller:         callername(1 + stacktraceskip),
+		OriginalError:  e,
+		Meta:           make(map[string]MetaValue),
+	}
+}
+
+func getForeignMeta(err error) (mm MetaMap) {
+	mm = make(map[string]MetaValue)
+
+	defer func() {
+		if panicerr := recover(); panicerr != nil {
+			New(TypePanic, "Panic while trying to get foreign meta").
+				Str("source", err.Error()).
+				Interface("panic-object", panicerr).
+				Stack().
+				Print()
+		}
+	}()
+
+	rval := reflect.ValueOf(err)
+	if rval.Kind() == reflect.Interface || rval.Kind() == reflect.Ptr {
+		rval = reflect.ValueOf(err).Elem()
+	}
+
+	mm.add("foreign.errortype", MDTString, rval.Type().String())
+
+	for k, v := range addMetaPrefix("foreign", getReflectedMetaValues(err, 8)) {
+		mm[k] = v
+	}
+
+	return mm
+}
+
+func getReflectedMetaValues(value interface{}, remainingDepth int) map[string]MetaValue {
+
+	if remainingDepth <= 0 {
+		return map[string]MetaValue{}
+	}
+
+	if langext.IsNil(value) {
+		return map[string]MetaValue{"": {DataType: MDTNil, Value: nil}}
+	}
+
+	rval := reflect.ValueOf(value)
+
+	if rval.Type().Kind() == reflect.Ptr {
+
+		if rval.IsNil() {
+			return map[string]MetaValue{"*": {DataType: MDTNil, Value: nil}}
+		}
+
+		elem := rval.Elem()
+
+		return addMetaPrefix("*", getReflectedMetaValues(elem.Interface(), remainingDepth-1))
+	}
+
+	if !rval.CanInterface() {
+		return map[string]MetaValue{"": {DataType: MDTString, Value: "<<no-interface>>"}}
+	}
+
+	raw := rval.Interface()
+
+	switch ifraw := raw.(type) {
+	case time.Time:
+		return map[string]MetaValue{"": {DataType: MDTTime, Value: ifraw}}
+	case time.Duration:
+		return map[string]MetaValue{"": {DataType: MDTDuration, Value: ifraw}}
+	case int:
+		return map[string]MetaValue{"": {DataType: MDTInt, Value: ifraw}}
+	case int8:
+		return map[string]MetaValue{"": {DataType: MDTInt8, Value: ifraw}}
+	case int16:
+		return map[string]MetaValue{"": {DataType: MDTInt16, Value: ifraw}}
+	case int32:
+		return map[string]MetaValue{"": {DataType: MDTInt32, Value: ifraw}}
+	case int64:
+		return map[string]MetaValue{"": {DataType: MDTInt64, Value: ifraw}}
+	case string:
+		return map[string]MetaValue{"": {DataType: MDTString, Value: ifraw}}
+	case bool:
+		return map[string]MetaValue{"": {DataType: MDTBool, Value: ifraw}}
+	case []byte:
+		return map[string]MetaValue{"": {DataType: MDTBytes, Value: ifraw}}
+	case float32:
+		return map[string]MetaValue{"": {DataType: MDTFloat32, Value: ifraw}}
+	case float64:
+		return map[string]MetaValue{"": {DataType: MDTFloat64, Value: ifraw}}
+	case []int:
+		return map[string]MetaValue{"": {DataType: MDTIntArray, Value: ifraw}}
+	case []int32:
+		return map[string]MetaValue{"": {DataType: MDTInt32Array, Value: ifraw}}
+	case primitive.ObjectID:
+		return map[string]MetaValue{"": {DataType: MDTObjectID, Value: ifraw}}
+	case []string:
+		return map[string]MetaValue{"": {DataType: MDTStringArray, Value: ifraw}}
+	}
+
+	if rval.Type().Kind() == reflect.Struct {
+		m := make(map[string]MetaValue)
+		for i := 0; i < rval.NumField(); i++ {
+			fieldtype := rval.Type().Field(i)
+
+			fieldname := fieldtype.Name
+
+			if fieldtype.IsExported() {
+				for k, v := range addMetaPrefix(fieldname, getReflectedMetaValues(rval.Field(i).Interface(), remainingDepth-1)) {
+					m[k] = v
+				}
+			}
+		}
+		return m
+	}
+
+	if rval.Type().ConvertibleTo(reflectTypeStr) {
+		return map[string]MetaValue{"": {DataType: MDTString, Value: rval.Convert(reflectTypeStr).String()}}
+	}
+
+	jsonval, err := json.Marshal(value)
+	if err != nil {
+		panic(err) // gets recovered later up
+	}
+
+	return map[string]MetaValue{"": {DataType: MDTString, Value: string(jsonval)}}
+}
+
+func addMetaPrefix(prefix string, m map[string]MetaValue) map[string]MetaValue {
+	if len(m) == 1 {
+		for k, v := range m {
+			if k == "" {
+				return map[string]MetaValue{prefix: v}
+			}
+		}
+	}
+
+	r := make(map[string]MetaValue, len(m))
+	for k, v := range m {
+		r[prefix+"."+k] = v
+	}
+	return r
+}

exerr/data.go

@@ -0,0 +1,68 @@
+package exerr
+
+import (
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
+)
+
+type ErrorCategory struct{ Category string }
+
+var (
+	CatWrap    = ErrorCategory{"Wrap"}    // The error is simply wrapping another error (e.g. when a grpc call returns an error)
+	CatSystem  = ErrorCategory{"System"}  // An internal system error (e.g. connection to db failed)
+	CatUser    = ErrorCategory{"User"}    // The user (the API caller) did something wrong (e.g. he has no permissions to do this)
+	CatForeign = ErrorCategory{"Foreign"} // A foreign error that some component threw (e.g. an unknown mongodb error), happens if we call Wrap(..) on an non-bmerror value
+)
+
+//goland:noinspection GoUnusedGlobalVariable
+var AllCategories = []ErrorCategory{CatWrap, CatSystem, CatUser, CatForeign}
+
+type ErrorSeverity struct{ Severity string }
+
+var (
+	SevTrace = ErrorSeverity{"Trace"}
+	SevDebug = ErrorSeverity{"Debug"}
+	SevInfo  = ErrorSeverity{"Info"}
+	SevWarn  = ErrorSeverity{"Warn"}
+	SevErr   = ErrorSeverity{"Err"}
+	SevFatal = ErrorSeverity{"Fatal"}
+)
+
+//goland:noinspection GoUnusedGlobalVariable
+var AllSeverities = []ErrorSeverity{SevTrace, SevDebug, SevInfo, SevWarn, SevErr, SevFatal}
+
+type ErrorType struct {
+	Key               string
+	DefaultStatusCode *int
+}
+
+//goland:noinspection GoUnusedGlobalVariable
+var (
+	TypeInternal       = ErrorType{"INTERNAL_ERROR", langext.Ptr(500)}
+	TypePanic          = ErrorType{"PANIC", langext.Ptr(500)}
+	TypeNotImplemented = ErrorType{"NOT_IMPLEMENTED", langext.Ptr(500)}
+
+	TypeWrap = ErrorType{"Wrap", nil}
+
+	TypeBindFailURI      = ErrorType{"BINDFAIL_URI", langext.Ptr(400)}
+	TypeBindFailQuery    = ErrorType{"BINDFAIL_QUERY", langext.Ptr(400)}
+	TypeBindFailJSON     = ErrorType{"BINDFAIL_JSON", langext.Ptr(400)}
+	TypeBindFailFormData = ErrorType{"BINDFAIL_FORMDATA", langext.Ptr(400)}
+	TypeBindFailHeader   = ErrorType{"BINDFAIL_HEADER", langext.Ptr(400)}
+
+	TypeUnauthorized = ErrorType{"UNAUTHORIZED", langext.Ptr(401)}
+	TypeAuthFailed   = ErrorType{"AUTH_FAILED", langext.Ptr(401)}
+
+	// other values come from pkgconfig
+)
+
+func NewType(key string, defStatusCode *int) ErrorType {
+	return ErrorType{key, defStatusCode}
+}
+
+type LogPrintLevel string
+
+const (
+	LogPrintFull     LogPrintLevel = "Full"
+	LogPrintOverview LogPrintLevel = "Overview"
+	LogPrintShort    LogPrintLevel = "Short"
+)

exerr/errinit.go

@@ -0,0 +1,76 @@
+package exerr
+
+import (
+	"fmt"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
+)
+
+type ErrorPackageConfig struct {
+	ZeroLogErrTraces    bool                                             // autom print zerolog logs on .Build()  (for SevErr and SevFatal)
+	ZeroLogAllTraces    bool                                             // autom print zerolog logs on .Build()  (for all Severities)
+	RecursiveErrors     bool                                             // errors contains their Origin-Error
+	ExtendedGinOutput   bool                                             // Log extended data (trace, meta, ...) to gin in err.Output()
+	ExtendGinOutput     func(err *ExErr, json map[string]any)            // (Optionally) extend the gin output with more fields
+	ExtendGinDataOutput func(err *ExErr, depth int, json map[string]any) // (Optionally) extend the gin `__data` output with more fields
+}
+
+type ErrorPackageConfigInit struct {
+	ZeroLogErrTraces    bool
+	ZeroLogAllTraces    bool
+	RecursiveErrors     bool
+	ExtendedGinOutput   bool
+	ExtendGinOutput     func(err *ExErr, json map[string]any)
+	ExtendGinDataOutput func(err *ExErr, depth int, json map[string]any)
+}
+
+var initialized = false
+
+var pkgconfig = ErrorPackageConfig{
+	ZeroLogErrTraces:    true,
+	ZeroLogAllTraces:    false,
+	RecursiveErrors:     true,
+	ExtendedGinOutput:   false,
+	ExtendGinOutput:     func(err *ExErr, json map[string]any) {},
+	ExtendGinDataOutput: func(err *ExErr, depth int, json map[string]any) {},
+}
+
+// Init initializes the exerr packages
+// Must be called at the program start, before (!) any errors
+// Is not thread-safe
+func Init(cfg ErrorPackageConfigInit) {
+	if initialized {
+		panic("Cannot re-init error package")
+	}
+
+	ego := func(err *ExErr, json map[string]any) {}
+	egdo := func(err *ExErr, depth int, json map[string]any) {}
+
+	if cfg.ExtendGinOutput != nil {
+		ego = cfg.ExtendGinOutput
+	}
+	if cfg.ExtendGinDataOutput != nil {
+		egdo = cfg.ExtendGinDataOutput
+	}
+
+	pkgconfig = ErrorPackageConfig{
+		ZeroLogErrTraces:    cfg.ZeroLogErrTraces,
+		ZeroLogAllTraces:    cfg.ZeroLogAllTraces,
+		RecursiveErrors:     cfg.RecursiveErrors,
+		ExtendedGinOutput:   cfg.ExtendedGinOutput,
+		ExtendGinOutput:     ego,
+		ExtendGinDataOutput: egdo,
+	}
+
+	initialized = true
+}
+
+func warnOnPkgConfigNotInitialized() {
+	if !initialized {
+		fmt.Printf("\n")
+		fmt.Printf("%s\n", langext.StrRepeat("=", 80))
+		fmt.Printf("%s\n", "[WARNING] exerr package used without initializiation")
+		fmt.Printf("%s\n", "          call exerr.Init() in your main() function")
+		fmt.Printf("%s\n", langext.StrRepeat("=", 80))
+		fmt.Printf("\n")
+	}
+}

exerr/exerr.go

@@ -0,0 +1,203 @@
+package exerr
+
+import (
+	"github.com/rs/xid"
+	"github.com/rs/zerolog"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
+	"strings"
+	"time"
+)
+
+type ExErr struct {
+	UniqueID string `json:"uniqueID"`
+
+	Timestamp time.Time     `json:"timestamp"`
+	Category  ErrorCategory `json:"category"`
+	Severity  ErrorSeverity `json:"severity"`
+	Type      ErrorType     `json:"type"`
+
+	StatusCode *int `json:"statusCode"`
+
+	Message        string `json:"message"`
+	WrappedErrType string `json:"wrappedErrType"`
+	Caller         string `json:"caller"`
+
+	OriginalError *ExErr
+
+	Meta MetaMap `json:"meta"`
+}
+
+func (ee *ExErr) Error() string {
+	return ee.Message
+}
+
+func (ee *ExErr) Unwrap() error {
+	return ee.OriginalError
+}
+
+func (ee *ExErr) Log(evt *zerolog.Event) {
+	evt.Msg(ee.FormatLog(LogPrintFull))
+}
+
+func (ee *ExErr) FormatLog(lvl LogPrintLevel) string {
+	if lvl == LogPrintShort {
+
+		msg := ee.Message
+		if ee.OriginalError != nil && ee.OriginalError.Category == CatForeign {
+			msg = msg + " (" + strings.ReplaceAll(ee.OriginalError.Message, "\n", " ") + ")"
+		}
+
+		if ee.Type != TypeWrap {
+			return "[" + ee.Type.Key + "] " + msg
+		} else {
+			return msg
+		}
+
+	} else if lvl == LogPrintOverview {
+
+		str := "[" + ee.RecursiveType().Key + "] <" + ee.UniqueID + "> " + strings.ReplaceAll(ee.RecursiveMessage(), "\n", " ") + "\n"
+
+		indent := ""
+		for curr := ee; curr != nil; curr = curr.OriginalError {
+			indent += "  "
+
+			str += indent
+			str += "-> "
+			strmsg := strings.Trim(curr.Message, " \r\n\t")
+			if lbidx := strings.Index(curr.Message, "\n"); lbidx >= 0 {
+				strmsg = strmsg[0:lbidx]
+			}
+			strmsg = langext.StrLimit(strmsg, 61, "...")
+			str += strmsg
+			str += "\n"
+
+		}
+		return str
+
+	} else if lvl == LogPrintFull {
+
+		str := "[" + ee.RecursiveType().Key + "] <" + ee.UniqueID + "> " + strings.ReplaceAll(ee.RecursiveMessage(), "\n", " ") + "\n"
+
+		indent := ""
+		for curr := ee; curr != nil; curr = curr.OriginalError {
+			indent += "  "
+
+			etype := ee.Type.Key
+			if ee.Type == TypeWrap {
+				etype = "~"
+			}
+
+			str += indent
+			str += "-> ["
+			str += etype
+			if curr.Category == CatForeign {
+				str += "|Foreign"
+			}
+			str += "] "
+			str += strings.ReplaceAll(curr.Message, "\n", " ")
+			if curr.Caller != "" {
+				str += " (@ "
+				str += curr.Caller
+				str += ")"
+			}
+			str += "\n"
+
+			if curr.Meta.Any() {
+				meta := indent + "   {" + curr.Meta.FormatOneLine(240) + "}"
+				if len(meta) < 200 {
+					str += meta
+					str += "\n"
+				} else {
+					str += curr.Meta.FormatMultiLine(indent+"   ", "  ", 1024)
+					str += "\n"
+				}
+			}
+		}
+		return str
+
+	} else {
+
+		return "[?[" + ee.UniqueID + "]?]"
+
+	}
+}
+
+func (ee *ExErr) ShortLog(evt *zerolog.Event) {
+	ee.Meta.Apply(evt).Msg(ee.FormatLog(LogPrintShort))
+}
+
+// RecursiveMessage returns the message to show
+// = first error (top-down) that is not wrapping/foreign/empty
+func (ee *ExErr) RecursiveMessage() string {
+	for curr := ee; curr != nil; curr = curr.OriginalError {
+		if curr.Message != "" && curr.Category != CatWrap && curr.Category != CatForeign {
+			return curr.Message
+		}
+	}
+
+	// fallback to self
+	return ee.Message
+}
+
+// RecursiveType returns the statuscode to use
+// = first error (top-down) that is not wrapping/empty
+func (ee *ExErr) RecursiveType() ErrorType {
+	for curr := ee; curr != nil; curr = curr.OriginalError {
+		if curr.Type != TypeWrap {
+			return curr.Type
+		}
+
+	}
+
+	// fallback to self
+	return ee.Type
+}
+
+// RecursiveStatuscode returns the HTTP Statuscode to use
+// = first error (top-down) that has a statuscode set
+func (ee *ExErr) RecursiveStatuscode() *int {
+	for curr := ee; curr != nil; curr = curr.OriginalError {
+		if curr.StatusCode != nil {
+			return langext.Ptr(*curr.StatusCode)
+		}
+	}
+
+	return nil
+}
+
+// RecursiveCategory returns the ErrorCategory to use
+// = first error (top-down) that has a statuscode set
+func (ee *ExErr) RecursiveCategory() ErrorCategory {
+	for curr := ee; curr != nil; curr = curr.OriginalError {
+		if curr.Category != CatWrap {
+			return curr.Category
+		}
+	}
+
+	// fallback to <empty>
+	return ee.Category
+}
+
+// RecursiveMeta searches (top-down) for teh first error that has a meta value with teh specified key
+// and returns its value (or nil)
+func (ee *ExErr) RecursiveMeta(key string) *MetaValue {
+	for curr := ee; curr != nil; curr = curr.OriginalError {
+		if metaval, ok := curr.Meta[key]; ok {
+			return langext.Ptr(metaval)
+		}
+	}
+
+	return nil
+}
+
+func (ee *ExErr) Depth() int {
+	if ee.OriginalError == nil {
+		return 1
+	} else {
+		return ee.OriginalError.Depth() + 1
+	}
+}
+
+func newID() string {
+	return xid.New().String()
+}

exerr/gin.go

@@ -0,0 +1,85 @@
+package exerr
+
+import (
+	"github.com/gin-gonic/gin"
+	json "gogs.mikescher.com/BlackForestBytes/goext/gojson"
+	"net/http"
+	"time"
+)
+
+func (ee *ExErr) toJson(depth int) gin.H {
+	ginJson := gin.H{}
+
+	if ee.UniqueID != "" {
+		ginJson["id"] = ee.UniqueID
+	}
+	if ee.Category != CatWrap {
+		ginJson["category"] = ee.Category
+	}
+	if ee.Type != TypeWrap {
+		ginJson["type"] = ee.Type
+	}
+	if ee.StatusCode != nil {
+		ginJson["statuscode"] = ee.StatusCode
+	}
+	if ee.Message != "" {
+		ginJson["message"] = ee.Message
+	}
+	if ee.Caller != "" {
+		ginJson["caller"] = ee.Caller
+	}
+	if ee.Severity != SevErr {
+		ginJson["severity"] = ee.Severity
+	}
+	if ee.Timestamp != (time.Time{}) {
+		ginJson["time"] = ee.Timestamp.Format(time.RFC3339)
+	}
+	if ee.WrappedErrType != "" {
+		ginJson["wrappedErrType"] = ee.WrappedErrType
+	}
+	if ee.OriginalError != nil {
+		ginJson["original"] = ee.OriginalError.toJson(depth + 1)
+	}
+
+	pkgconfig.ExtendGinDataOutput(ee, depth, ginJson)
+
+	return ginJson
+}
+
+func (ee *ExErr) Output(g *gin.Context) {
+	var statuscode = http.StatusInternalServerError
+
+	var baseCat = ee.RecursiveCategory()
+	var baseType = ee.RecursiveType()
+	var baseStatuscode = ee.RecursiveStatuscode()
+	var baseMessage = ee.RecursiveMessage()
+
+	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
+	}
+
+	warnOnPkgConfigNotInitialized()
+
+	ginOutput := gin.H{
+		"errorid":   ee.UniqueID,
+		"message":   baseMessage,
+		"errorcode": baseType.Key,
+		"category":  baseCat.Category,
+	}
+
+	if pkgconfig.ExtendedGinOutput {
+		ginOutput["__data"] = ee.toJson(0)
+	}
+
+	pkgconfig.ExtendGinOutput(ee, ginOutput)
+
+	g.Render(statuscode, json.GoJsonRender{Data: ginOutput, NilSafeSlices: true, NilSafeMaps: true})
+}

exerr/helper.go

@@ -0,0 +1,86 @@
+package exerr
+
+import "fmt"
+
+// IsType test if the supplied error is of the specified ErrorType.
+func IsType(err error, errType ErrorType) bool {
+	if err == nil {
+		return false
+	}
+
+	bmerr := FromError(err)
+	for bmerr != nil {
+		if bmerr.Type == errType {
+			return true
+		}
+		bmerr = bmerr.OriginalError
+	}
+
+	return false
+}
+
+// IsFrom test if the supplied error stems originally from original
+func IsFrom(e error, original error) bool {
+	if e == nil {
+		return false
+	}
+	if e == original {
+		return true
+	}
+
+	bmerr := FromError(e)
+	for bmerr == nil {
+		return false
+	}
+
+	for curr := bmerr; curr != nil; curr = curr.OriginalError {
+		if curr.Category == CatForeign && curr.Message == original.Error() && curr.WrappedErrType == fmt.Sprintf("%T", original) {
+			return true
+		}
+	}
+
+	return false
+}
+
+// HasSourceMessage tests if the supplied error stems originally from an error with the message msg
+func HasSourceMessage(e error, msg string) bool {
+	if e == nil {
+		return false
+	}
+
+	bmerr := FromError(e)
+	for bmerr == nil {
+		return false
+	}
+
+	for curr := bmerr; curr != nil; curr = curr.OriginalError {
+		if curr.OriginalError == nil && curr.Message == msg {
+			return true
+		}
+	}
+
+	return false
+}
+
+func MessageMatch(e error, matcher func(string) bool) bool {
+	if e == nil {
+		return false
+	}
+
+	if matcher(e.Error()) {
+		return true
+	}
+
+	bmerr := FromError(e)
+	for bmerr == nil {
+		return false
+	}
+
+	for curr := bmerr; curr != nil; curr = curr.OriginalError {
+		if matcher(curr.Message) {
+			return true
+		}
+	}
+
+	return false
+}

exerr/listener.go

@@ -0,0 +1,37 @@
+package exerr
+
+import (
+	"sync"
+)
+
+type Method string
+
+const (
+	MethodOutput Method = "OUTPUT"
+	MethodPrint  Method = "PRINT"
+	MethodBuild  Method = "BUILD"
+	MethodFatal  Method = "FATAL"
+)
+
+type Listener = func(method Method, v *ExErr)
+
+var listenerLock = sync.Mutex{}
+var listener = make([]Listener, 0)
+
+func RegisterListener(l Listener) {
+	listenerLock.Lock()
+	defer listenerLock.Unlock()
+
+	listener = append(listener, l)
+}
+
+func (b *Builder) CallListener(m Method) {
+	valErr := b.errorData
+
+	listenerLock.Lock()
+	defer listenerLock.Unlock()
+
+	for _, v := range listener {
+		v(m, valErr)
+	}
+}

exerr/meta.go

@@ -0,0 +1,651 @@
+package exerr
+
+import (
+	"encoding/hex"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"github.com/rs/zerolog"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/primitive"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
+	"strconv"
+	"strings"
+	"time"
+)
+
+// This is a buffed up map[string]any
+// we also save type information of the map-values
+// which allows us to deserialize them back into te correct types later
+
+type MetaMap map[string]MetaValue
+
+type metaDataType string
+
+const (
+	MDTString      metaDataType = "String"
+	MDTStringPtr   metaDataType = "StringPtr"
+	MDTInt         metaDataType = "Int"
+	MDTInt8        metaDataType = "Int8"
+	MDTInt16       metaDataType = "Int16"
+	MDTInt32       metaDataType = "Int32"
+	MDTInt64       metaDataType = "Int64"
+	MDTFloat32     metaDataType = "Float32"
+	MDTFloat64     metaDataType = "Float64"
+	MDTBool        metaDataType = "Bool"
+	MDTBytes       metaDataType = "Bytes"
+	MDTObjectID    metaDataType = "ObjectID"
+	MDTTime        metaDataType = "Time"
+	MDTDuration    metaDataType = "Duration"
+	MDTStringArray metaDataType = "StringArr"
+	MDTIntArray    metaDataType = "IntArr"
+	MDTInt32Array  metaDataType = "Int32Arr"
+	MDTID          metaDataType = "ID"
+	MDTAny         metaDataType = "Interface"
+	MDTNil         metaDataType = "Nil"
+)
+
+type MetaValue struct {
+	DataType metaDataType `json:"dataType"`
+	Value    interface{}  `json:"value"`
+}
+
+type metaValueSerialization struct {
+	DataType metaDataType `bson:"dataType"`
+	Value    string       `bson:"value"`
+	Raw      interface{}  `bson:"raw"`
+}
+
+func (v MetaValue) SerializeValue() (string, error) {
+	switch v.DataType {
+	case MDTString:
+		return v.Value.(string), nil
+	case MDTID:
+		return v.Value.(IDWrap).Serialize(), nil
+	case MDTAny:
+		return v.Value.(AnyWrap).Serialize(), nil
+	case MDTStringPtr:
+		if langext.IsNil(v.Value) {
+			return "#", nil
+		}
+		r := v.Value.(*string)
+		if r != nil {
+			return "*" + *r, nil
+		} else {
+			return "#", nil
+		}
+	case MDTInt:
+		return strconv.Itoa(v.Value.(int)), nil
+	case MDTInt8:
+		return strconv.FormatInt(int64(v.Value.(int8)), 10), nil
+	case MDTInt16:
+		return strconv.FormatInt(int64(v.Value.(int16)), 10), nil
+	case MDTInt32:
+		return strconv.FormatInt(int64(v.Value.(int32)), 10), nil
+	case MDTInt64:
+		return strconv.FormatInt(v.Value.(int64), 10), nil
+	case MDTFloat32:
+		return strconv.FormatFloat(float64(v.Value.(float32)), 'X', -1, 32), nil
+	case MDTFloat64:
+		return strconv.FormatFloat(v.Value.(float64), 'X', -1, 64), nil
+	case MDTBool:
+		if v.Value.(bool) {
+			return "true", nil
+		} else {
+			return "false", nil
+		}
+	case MDTBytes:
+		return hex.EncodeToString(v.Value.([]byte)), nil
+	case MDTObjectID:
+		return v.Value.(primitive.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:
+		return v.Value.(time.Duration).String(), nil
+	case MDTStringArray:
+		if langext.IsNil(v.Value) {
+			return "#", nil
+		}
+		r, err := json.Marshal(v.Value.([]string))
+		if err != nil {
+			return "", err
+		}
+		return string(r), nil
+	case MDTIntArray:
+		if langext.IsNil(v.Value) {
+			return "#", nil
+		}
+		r, err := json.Marshal(v.Value.([]int))
+		if err != nil {
+			return "", err
+		}
+		return string(r), nil
+	case MDTInt32Array:
+		if langext.IsNil(v.Value) {
+			return "#", nil
+		}
+		r, err := json.Marshal(v.Value.([]int32))
+		if err != nil {
+			return "", err
+		}
+		return string(r), nil
+	case MDTNil:
+		return "", nil
+	}
+	return "", errors.New("Unknown type: " + string(v.DataType))
+}
+
+func (v MetaValue) ShortString(lim int) string {
+	switch v.DataType {
+	case MDTString:
+		r := strings.ReplaceAll(v.Value.(string), "\r", "")
+		r = strings.ReplaceAll(r, "\n", "\\n")
+		r = strings.ReplaceAll(r, "\t", "\\t")
+		return langext.StrLimit(r, lim, "...")
+	case MDTID:
+		return v.Value.(IDWrap).String()
+	case MDTAny:
+		return v.Value.(AnyWrap).String()
+	case MDTStringPtr:
+		if langext.IsNil(v.Value) {
+			return "<<null>>"
+		}
+		r := langext.CoalesceString(v.Value.(*string), "<<null>>")
+		r = strings.ReplaceAll(r, "\r", "")
+		r = strings.ReplaceAll(r, "\n", "\\n")
+		r = strings.ReplaceAll(r, "\t", "\\t")
+		return langext.StrLimit(r, lim, "...")
+	case MDTInt:
+		return strconv.Itoa(v.Value.(int))
+	case MDTInt8:
+		return strconv.FormatInt(int64(v.Value.(int8)), 10)
+	case MDTInt16:
+		return strconv.FormatInt(int64(v.Value.(int16)), 10)
+	case MDTInt32:
+		return strconv.FormatInt(int64(v.Value.(int32)), 10)
+	case MDTInt64:
+		return strconv.FormatInt(v.Value.(int64), 10)
+	case MDTFloat32:
+		return strconv.FormatFloat(float64(v.Value.(float32)), 'g', 4, 32)
+	case MDTFloat64:
+		return strconv.FormatFloat(v.Value.(float64), 'g', 4, 64)
+	case MDTBool:
+		return fmt.Sprintf("%v", v.Value.(bool))
+	case MDTBytes:
+		return langext.StrLimit(hex.EncodeToString(v.Value.([]byte)), lim, "...")
+	case MDTObjectID:
+		return v.Value.(primitive.ObjectID).Hex()
+	case MDTTime:
+		return v.Value.(time.Time).Format(time.RFC3339)
+	case MDTDuration:
+		return v.Value.(time.Duration).String()
+	case MDTStringArray:
+		if langext.IsNil(v.Value) {
+			return "<<null>>"
+		}
+		r, err := json.Marshal(v.Value.([]string))
+		if err != nil {
+			return "(err)"
+		}
+		return langext.StrLimit(string(r), lim, "...")
+	case MDTIntArray:
+		if langext.IsNil(v.Value) {
+			return "<<null>>"
+		}
+		r, err := json.Marshal(v.Value.([]int))
+		if err != nil {
+			return "(err)"
+		}
+		return langext.StrLimit(string(r), lim, "...")
+	case MDTInt32Array:
+		if langext.IsNil(v.Value) {
+			return "<<null>>"
+		}
+		r, err := json.Marshal(v.Value.([]int32))
+		if err != nil {
+			return "(err)"
+		}
+		return langext.StrLimit(string(r), lim, "...")
+	case MDTNil:
+		return "<<null>>"
+	}
+	return "(err)"
+}
+
+func (v MetaValue) Apply(key string, evt *zerolog.Event) *zerolog.Event {
+	switch v.DataType {
+	case MDTString:
+		return evt.Str(key, v.Value.(string))
+	case MDTID:
+		return evt.Str(key, v.Value.(IDWrap).Value)
+	case MDTAny:
+		if v.Value.(AnyWrap).IsError {
+			return evt.Str(key, "(err)")
+		} else {
+			return evt.Str(key, v.Value.(AnyWrap).Json)
+		}
+	case MDTStringPtr:
+		if langext.IsNil(v.Value) {
+			return evt.Str(key, "<<null>>")
+		}
+		return evt.Str(key, langext.CoalesceString(v.Value.(*string), "<<null>>"))
+	case MDTInt:
+		return evt.Int(key, v.Value.(int))
+	case MDTInt8:
+		return evt.Int8(key, v.Value.(int8))
+	case MDTInt16:
+		return evt.Int16(key, v.Value.(int16))
+	case MDTInt32:
+		return evt.Int32(key, v.Value.(int32))
+	case MDTInt64:
+		return evt.Int64(key, v.Value.(int64))
+	case MDTFloat32:
+		return evt.Float32(key, v.Value.(float32))
+	case MDTFloat64:
+		return evt.Float64(key, v.Value.(float64))
+	case MDTBool:
+		return evt.Bool(key, v.Value.(bool))
+	case MDTBytes:
+		return evt.Bytes(key, v.Value.([]byte))
+	case MDTObjectID:
+		return evt.Str(key, v.Value.(primitive.ObjectID).Hex())
+	case MDTTime:
+		return evt.Time(key, v.Value.(time.Time))
+	case MDTDuration:
+		return evt.Dur(key, v.Value.(time.Duration))
+	case MDTStringArray:
+		if langext.IsNil(v.Value) {
+			return evt.Strs(key, nil)
+		}
+		return evt.Strs(key, v.Value.([]string))
+	case MDTIntArray:
+		if langext.IsNil(v.Value) {
+			return evt.Ints(key, nil)
+		}
+		return evt.Ints(key, v.Value.([]int))
+	case MDTInt32Array:
+		if langext.IsNil(v.Value) {
+			return evt.Ints32(key, nil)
+		}
+		return evt.Ints32(key, v.Value.([]int32))
+	case MDTNil:
+		return evt.Str(key, "<<null>>")
+	}
+	return evt.Str(key, "(err)")
+}
+
+func (v MetaValue) MarshalJSON() ([]byte, error) {
+	str, err := v.SerializeValue()
+	if err != nil {
+		return nil, err
+	}
+	return json.Marshal(string(v.DataType) + ":" + str)
+}
+
+func (v *MetaValue) UnmarshalJSON(data []byte) error {
+	var str = ""
+	err := json.Unmarshal(data, &str)
+	if err != nil {
+		return err
+	}
+
+	split := strings.SplitN(str, ":", 2)
+	if len(split) != 2 {
+		return errors.New("failed to decode MetaValue: '" + str + "'")
+	}
+
+	return v.Deserialize(split[1], metaDataType(split[0]))
+}
+
+func (v MetaValue) MarshalBSON() ([]byte, error) {
+	serval, err := v.SerializeValue()
+	if err != nil {
+		return nil, Wrap(err, "failed to bson-marshal MetaValue (serialize)").Build()
+	}
+
+	// this is an kinda ugly hack - but serialization to mongodb and back can loose the correct type information....
+	bin, err := bson.Marshal(metaValueSerialization{
+		DataType: v.DataType,
+		Value:    serval,
+		Raw:      v.Value,
+	})
+	if err != nil {
+		return nil, Wrap(err, "failed to bson-marshal MetaValue (marshal)").Build()
+	}
+
+	return bin, nil
+}
+
+func (v *MetaValue) UnmarshalBSON(bytes []byte) error {
+	var serval metaValueSerialization
+	err := bson.Unmarshal(bytes, &serval)
+	if err != nil {
+		return Wrap(err, "failed to bson-unmarshal MetaValue (unmarshal)").Build()
+	}
+
+	err = v.Deserialize(serval.Value, serval.DataType)
+	if err != nil {
+		return Wrap(err, "failed to deserialize MetaValue from bson").Str("raw", serval.Value).Build()
+	}
+
+	return nil
+}
+
+func (v *MetaValue) Deserialize(value string, datatype metaDataType) error {
+	switch datatype {
+	case MDTString:
+		v.Value = value
+		v.DataType = datatype
+		return nil
+	case MDTID:
+		v.Value = deserializeIDWrap(value)
+		v.DataType = datatype
+		return nil
+	case MDTAny:
+		v.Value = deserializeAnyWrap(value)
+		v.DataType = datatype
+		return nil
+	case MDTStringPtr:
+		if len(value) <= 0 || (value[0] != '*' && value[0] != '#') {
+			return errors.New("Invalid StringPtr: " + value)
+		} else if value == "#" {
+			v.Value = nil
+			v.DataType = datatype
+			return nil
+		} else {
+			v.Value = langext.Ptr(value[1:])
+			v.DataType = datatype
+			return nil
+		}
+	case MDTInt:
+		pv, err := strconv.ParseInt(value, 10, 0)
+		if err != nil {
+			return err
+		}
+		v.Value = int(pv)
+		v.DataType = datatype
+		return nil
+	case MDTInt8:
+		pv, err := strconv.ParseInt(value, 10, 8)
+		if err != nil {
+			return err
+		}
+		v.Value = int8(pv)
+		v.DataType = datatype
+		return nil
+	case MDTInt16:
+		pv, err := strconv.ParseInt(value, 10, 16)
+		if err != nil {
+			return err
+		}
+		v.Value = int16(pv)
+		v.DataType = datatype
+		return nil
+	case MDTInt32:
+		pv, err := strconv.ParseInt(value, 10, 32)
+		if err != nil {
+			return err
+		}
+		v.Value = int32(pv)
+		v.DataType = datatype
+		return nil
+	case MDTInt64:
+		pv, err := strconv.ParseInt(value, 10, 64)
+		if err != nil {
+			return err
+		}
+		v.Value = pv
+		v.DataType = datatype
+		return nil
+	case MDTFloat32:
+		pv, err := strconv.ParseFloat(value, 64)
+		if err != nil {
+			return err
+		}
+		v.Value = float32(pv)
+		v.DataType = datatype
+		return nil
+	case MDTFloat64:
+		pv, err := strconv.ParseFloat(value, 64)
+		if err != nil {
+			return err
+		}
+		v.Value = pv
+		v.DataType = datatype
+		return nil
+	case MDTBool:
+		if value == "true" {
+			v.Value = true
+			v.DataType = datatype
+			return nil
+		}
+		if value == "false" {
+			v.Value = false
+			v.DataType = datatype
+			return nil
+		}
+		return errors.New("invalid bool value: " + value)
+	case MDTBytes:
+		r, err := hex.DecodeString(value)
+		if err != nil {
+			return err
+		}
+		v.Value = r
+		v.DataType = datatype
+		return nil
+	case MDTObjectID:
+		r, err := primitive.ObjectIDFromHex(value)
+		if err != nil {
+			return err
+		}
+		v.Value = r
+		v.DataType = datatype
+		return nil
+	case MDTTime:
+		ps := strings.Split(value, "|")
+		if len(ps) != 2 {
+			return errors.New("invalid time.time: " + value)
+		}
+		p1, err := strconv.ParseInt(ps[0], 10, 64)
+		if err != nil {
+			return err
+		}
+		p2, err := strconv.ParseInt(ps[1], 10, 32)
+		if err != nil {
+			return err
+		}
+		v.Value = time.Unix(p1, p2)
+		v.DataType = datatype
+		return nil
+	case MDTDuration:
+		r, err := time.ParseDuration(value)
+		if err != nil {
+			return err
+		}
+		v.Value = r
+		v.DataType = datatype
+		return nil
+	case MDTStringArray:
+		if value == "#" {
+			v.Value = nil
+			v.DataType = datatype
+			return nil
+		}
+		pj := make([]string, 0)
+		err := json.Unmarshal([]byte(value), &pj)
+		if err != nil {
+			return err
+		}
+		v.Value = pj
+		v.DataType = datatype
+		return nil
+	case MDTIntArray:
+		if value == "#" {
+			v.Value = nil
+			v.DataType = datatype
+			return nil
+		}
+		pj := make([]int, 0)
+		err := json.Unmarshal([]byte(value), &pj)
+		if err != nil {
+			return err
+		}
+		v.Value = pj
+		v.DataType = datatype
+		return nil
+	case MDTInt32Array:
+		if value == "#" {
+			v.Value = nil
+			v.DataType = datatype
+			return nil
+		}
+		pj := make([]int32, 0)
+		err := json.Unmarshal([]byte(value), &pj)
+		if err != nil {
+			return err
+		}
+		v.Value = pj
+		v.DataType = datatype
+		return nil
+	case MDTNil:
+		v.Value = nil
+		v.DataType = datatype
+		return nil
+	}
+	return errors.New("Unknown type: " + string(datatype))
+}
+
+func (v MetaValue) ValueString() string {
+	switch v.DataType {
+	case MDTString:
+		return v.Value.(string)
+	case MDTID:
+		return v.Value.(IDWrap).String()
+	case MDTAny:
+		return v.Value.(AnyWrap).String()
+	case MDTStringPtr:
+		if langext.IsNil(v.Value) {
+			return "<<null>>"
+		}
+		return langext.CoalesceString(v.Value.(*string), "<<null>>")
+	case MDTInt:
+		return strconv.Itoa(v.Value.(int))
+	case MDTInt8:
+		return strconv.FormatInt(int64(v.Value.(int8)), 10)
+	case MDTInt16:
+		return strconv.FormatInt(int64(v.Value.(int16)), 10)
+	case MDTInt32:
+		return strconv.FormatInt(int64(v.Value.(int32)), 10)
+	case MDTInt64:
+		return strconv.FormatInt(v.Value.(int64), 10)
+	case MDTFloat32:
+		return strconv.FormatFloat(float64(v.Value.(float32)), 'g', 4, 32)
+	case MDTFloat64:
+		return strconv.FormatFloat(v.Value.(float64), 'g', 4, 64)
+	case MDTBool:
+		return fmt.Sprintf("%v", v.Value.(bool))
+	case MDTBytes:
+		return hex.EncodeToString(v.Value.([]byte))
+	case MDTObjectID:
+		return v.Value.(primitive.ObjectID).Hex()
+	case MDTTime:
+		return v.Value.(time.Time).Format(time.RFC3339Nano)
+	case MDTDuration:
+		return v.Value.(time.Duration).String()
+	case MDTStringArray:
+		if langext.IsNil(v.Value) {
+			return "<<null>>"
+		}
+		r, err := json.MarshalIndent(v.Value.([]string), "", "  ")
+		if err != nil {
+			return "(err)"
+		}
+		return string(r)
+	case MDTIntArray:
+		if langext.IsNil(v.Value) {
+			return "<<null>>"
+		}
+		r, err := json.MarshalIndent(v.Value.([]int), "", "  ")
+		if err != nil {
+			return "(err)"
+		}
+		return string(r)
+	case MDTInt32Array:
+		if langext.IsNil(v.Value) {
+			return "<<null>>"
+		}
+		r, err := json.MarshalIndent(v.Value.([]int32), "", "  ")
+		if err != nil {
+			return "(err)"
+		}
+		return string(r)
+	case MDTNil:
+		return "<<null>>"
+	}
+	return "(err)"
+}
+
+func (mm MetaMap) FormatOneLine(singleMaxLen int) string {
+	r := ""
+
+	i := 0
+	for key, val := range mm {
+		if i > 0 {
+			r += ", "
+		}
+
+		r += "\"" + key + "\""
+		r += ": "
+		r += "\"" + val.ShortString(singleMaxLen) + "\""
+
+		i++
+	}
+
+	return r
+}
+
+func (mm MetaMap) FormatMultiLine(indentFront string, indentKeys string, maxLenValue int) string {
+	r := ""
+
+	r += indentFront + "{" + "\n"
+	for key, val := range mm {
+		if key == "gin.body" {
+			continue
+		}
+
+		r += indentFront
+		r += indentKeys
+		r += "\"" + key + "\""
+		r += ": "
+		r += "\"" + val.ShortString(maxLenValue) + "\""
+		r += ",\n"
+	}
+	r += indentFront + "}"
+
+	return r
+}
+
+func (mm MetaMap) Any() bool {
+	return len(mm) > 0
+}
+
+func (mm MetaMap) Apply(evt *zerolog.Event) *zerolog.Event {
+	for key, val := range mm {
+		evt = val.Apply(key, evt)
+	}
+	return evt
+}
+
+func (mm MetaMap) add(key string, mdtype metaDataType, val interface{}) {
+	if _, ok := mm[key]; !ok {
+		mm[key] = MetaValue{DataType: mdtype, Value: val}
+		return
+	}
+	for i := 2; ; i++ {
+		realkey := key + "-" + strconv.Itoa(i)
+		if _, ok := mm[realkey]; !ok {
+			mm[realkey] = MetaValue{DataType: mdtype, Value: val}
+			return
+		}
+	}
+}

exerr/stacktrace.go

@@ -0,0 +1,14 @@
+package exerr
+
+import (
+	"fmt"
+	"runtime"
+)
+
+func callername(skip int) string {
+	pc := make([]uintptr, 15)
+	n := runtime.Callers(skip+2, pc)
+	frames := runtime.CallersFrames(pc[:n])
+	frame, _ := frames.Next()
+	return fmt.Sprintf("%s:%d %s", frame.File, frame.Line, frame.Function)
+}

exerr/typeWrapper.go

@@ -0,0 +1,133 @@
+package exerr
+
+import (
+	"encoding/json"
+	"fmt"
+	"github.com/rs/zerolog/log"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
+	"strings"
+)
+
+//
+// These are wrapper objects, because for some metadata-types we need to serialize a bit more complex data
+// (eg thy actual type for ID objects, or the json representation for any types)
+//
+
+type IDWrap struct {
+	Type  string
+	Value string
+	IsNil bool
+}
+
+func newIDWrap(val fmt.Stringer) IDWrap {
+	t := fmt.Sprintf("%T", val)
+	arr := strings.Split(t, ".")
+	if len(arr) > 0 {
+		t = arr[len(arr)-1]
+	}
+
+	if langext.IsNil(val) {
+		return IDWrap{Type: t, Value: "", IsNil: true}
+	}
+
+	v := val.String()
+	return IDWrap{Type: t, Value: v, IsNil: false}
+}
+
+func (w IDWrap) Serialize() string {
+	if w.IsNil {
+		return "!nil" + ":" + w.Type
+	}
+	return w.Type + ":" + w.Value
+}
+
+func (w IDWrap) String() string {
+	if w.IsNil {
+		return w.Type + "<<nil>>"
+	}
+	return w.Type + "(" + w.Value + ")"
+}
+
+func deserializeIDWrap(v string) IDWrap {
+	r := strings.SplitN(v, ":", 2)
+
+	if len(r) == 2 && r[0] == "!nil" {
+		return IDWrap{Type: r[1], Value: v, IsNil: true}
+	}
+
+	if len(r) == 0 {
+		return IDWrap{}
+	} else if len(r) == 1 {
+		return IDWrap{Type: "", Value: v, IsNil: false}
+	} else {
+		return IDWrap{Type: r[0], Value: r[1], IsNil: false}
+	}
+}
+
+type AnyWrap struct {
+	Type    string
+	Json    string
+	IsError bool
+	IsNil   bool
+}
+
+func newAnyWrap(val any) (result AnyWrap) {
+	result = AnyWrap{Type: "", Json: "", IsError: true, IsNil: false} // ensure a return in case of recover()
+
+	defer func() {
+		if err := recover(); err != nil {
+			// send error should never crash our program
+			log.Error().Interface("err", err).Msg("Panic while trying to marshal anywrap ( bmerror.Interface )")
+		}
+	}()
+
+	t := fmt.Sprintf("%T", val)
+
+	if langext.IsNil(val) {
+		return AnyWrap{Type: t, Json: "", IsError: false, IsNil: true}
+	}
+
+	j, err := json.Marshal(val)
+	if err == nil {
+		return AnyWrap{Type: t, Json: string(j), IsError: false, IsNil: false}
+	} else {
+		return AnyWrap{Type: t, Json: "", IsError: true, IsNil: false}
+	}
+}
+
+func (w AnyWrap) Serialize() string {
+	if w.IsError {
+		return "ERR" + ":" + w.Type + ":" + w.Json
+	} else if w.IsNil {
+		return "NIL" + ":" + w.Type + ":" + w.Json
+	} else {
+		return "OK" + ":" + w.Type + ":" + w.Json
+	}
+}
+
+func (w AnyWrap) String() string {
+	if w.IsError {
+		return "(error)"
+	} else if w.IsNil {
+		return "(nil)"
+	} else {
+		return w.Json
+	}
+}
+
+func deserializeAnyWrap(v string) AnyWrap {
+	r := strings.SplitN(v, ":", 3)
+	if len(r) != 3 {
+		return AnyWrap{IsError: true, Type: "", Json: "", IsNil: false}
+	} else {
+		if r[0] == "OK" {
+			return AnyWrap{IsError: false, Type: r[1], Json: r[2], IsNil: false}
+		} else if r[0] == "ERR" {
+			return AnyWrap{IsError: true, Type: r[1], Json: r[2], IsNil: false}
+		} else if r[0] == "NIL" {
+			return AnyWrap{IsError: false, Type: r[1], Json: "", IsNil: true}
+		} else {
+			return AnyWrap{IsError: true, Type: "", Json: "", IsNil: false}
+		}
+	}
+}

ginext/apiError.go

@@ -1,16 +0,0 @@
-package ginext
-
-type apiError struct {
-	ErrorCode        string  `json:"errorcode"`
-	Message          string  `json:"message"`
-	FAPIErrorMessage *string `json:"fapiMessage,omitempty"`
-}
-
-type extAPIError struct {
-	ErrorCode        string  `json:"errorcode"`
-	Message          string  `json:"message"`
-	FAPIErrorMessage *string `json:"fapiMessage,omitempty"`
-
-	RawError *string  `json:"__error"`
-	Trace    []string `json:"__trace"`
-}

ginext/appContext.go

@@ -50,10 +50,3 @@ func (ac *AppContext) RequestURI() string {
 		return ""
 	}
 }
-
-func (ac *AppContext) FinishSuccess(res HTTPResponse) HTTPResponse {
-	if ac.cancelled {
-		panic("Cannot finish a cancelled request")
-	}
-	return res
-}

ginext/commonApiErr/enums.go

@@ -1,21 +0,0 @@
-package commonApiErr
-
-type APIErrorCode struct {
-	HTTPStatusCode int
-	Key            string
-}
-
-//goland:noinspection GoSnakeCaseUsage
-var (
-	NotImplemented = APIErrorCode{500, "NOT_IMPLEMENTED"}
-	InternalError  = APIErrorCode{500, "INTERNAL_ERROR"}
-	Panic          = APIErrorCode{500, "PANIC"}
-
-	BindFailURI      = APIErrorCode{400, "BINDFAIL_URI"}
-	BindFailQuery    = APIErrorCode{400, "BINDFAIL_QUERY"}
-	BindFailJSON     = APIErrorCode{400, "BINDFAIL_JSON"}
-	BindFailFormData = APIErrorCode{400, "BINDFAIL_FORMDATA"}
-
-	Unauthorized = APIErrorCode{401, "UNAUTHORIZED"}
-	AuthFailed   = APIErrorCode{401, "AUTH_FAILED"}
-)

ginext/engine.go

@@ -12,11 +12,10 @@ type GinWrapper struct {
 
 	allowCors      bool
 	ginDebug       bool
-	returnRawErrors bool
 	requestTimeout time.Duration
 }
 
-func NewEngine(allowCors bool, ginDebug bool, returnRawErrors bool, timeout time.Duration) *GinWrapper {
+func NewEngine(allowCors bool, ginDebug bool, timeout time.Duration) *GinWrapper {
 	engine := gin.New()
 
 	wrapper := &GinWrapper{
@@ -24,7 +23,6 @@ func NewEngine(allowCors bool, ginDebug bool, returnRawErrors bool, timeout time
 		SuppressGinLogs: false,
 		allowCors:       allowCors,
 		ginDebug:        ginDebug,
-		returnRawErrors: returnRawErrors,
 		requestTimeout:  timeout,
 	}
 

ginext/funcWrapper.go

@@ -1,10 +1,9 @@
 package ginext
 
 import (
-	"errors"
 	"fmt"
 	"github.com/gin-gonic/gin"
-	"github.com/rs/zerolog/log"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 )
 
 type WHandlerFunc func(PreContext) HTTPResponse
@@ -13,18 +12,20 @@ func Wrap(w *GinWrapper, fn WHandlerFunc) gin.HandlerFunc {
 
 	return func(g *gin.Context) {
 
-		g.Set("__returnRawErrors", w.returnRawErrors)
-
 		reqctx := g.Request.Context()
 
 		wrap, stackTrace, panicObj := callPanicSafe(fn, PreContext{wrapper: w, ginCtx: g})
 		if panicObj != nil {
+
 			fmt.Printf("\n======== ======== STACKTRACE ======== ========\n%s\n======== ======== ======== ========\n\n", stackTrace)
-			log.Error().
-				Interface("panicObj", panicObj).
+
+			err := exerr.
+				New(exerr.TypePanic, "Panic occured (in gin handler)").
+				Any("panicObj", panicObj).
 				Str("trace", stackTrace).
-				Msg("Panic occured (in gin handler)")
-			wrap = APIError(g, commonApiErr.Panic, "A panic occured in the HTTP handler", errors.New(fmt.Sprintf("%+v", panicObj)))
+				Build()
+
+			wrap = APIError(g, err)
 		}
 
 		if g.Writer.Written() {

ginext/preContext.go

@@ -2,8 +2,10 @@ package ginext
 
 import (
 	"context"
+	"fmt"
 	"github.com/gin-gonic/gin"
 	"github.com/gin-gonic/gin/binding"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 	"runtime/debug"
 )
@@ -15,6 +17,7 @@ type PreContext struct {
 	query   any
 	body    any
 	form    any
+	header  any
 }
 
 func (pctx *PreContext) URI(uri any) *PreContext {
@@ -37,36 +40,73 @@ func (pctx *PreContext) Form(form any) *PreContext {
 	return pctx
 }
 
+func (pctx *PreContext) Header(header any) *PreContext {
+	pctx.header = header
+	return pctx
+}
+
 func (pctx PreContext) Start() (*AppContext, *gin.Context, *HTTPResponse) {
 	if pctx.uri != nil {
 		if err := pctx.ginCtx.ShouldBindUri(pctx.uri); err != nil {
-			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, commonApiErr.BindFailURI, "Failed to read uri", err))
+			err = exerr.Wrap(err, "Failed to read uri").
+				WithType(exerr.TypeBindFailURI).
+				Str("struct_type", fmt.Sprintf("%T", pctx.uri)).
+				Build()
+			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, err))
 		}
 	}
 
 	if pctx.query != nil {
 		if err := pctx.ginCtx.ShouldBindQuery(pctx.query); err != nil {
-			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, commonApiErr.BindFailQuery, "Failed to read query", err))
+			err = exerr.Wrap(err, "Failed to read query").
+				WithType(exerr.TypeBindFailQuery).
+				Str("struct_type", fmt.Sprintf("%T", pctx.query)).
+				Build()
+			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, err))
 		}
 	}
 
 	if pctx.body != nil {
 		if pctx.ginCtx.ContentType() == "application/json" {
 			if err := pctx.ginCtx.ShouldBindJSON(pctx.body); err != nil {
-				return nil, nil, langext.Ptr(APIError(pctx.ginCtx, commonApiErr.BindFailJSON, "Failed to read body", err))
+				err = exerr.Wrap(err, "Failed to read json-body").
+					WithType(exerr.TypeBindFailJSON).
+					Str("struct_type", fmt.Sprintf("%T", pctx.body)).
+					Build()
+				return nil, nil, langext.Ptr(APIError(pctx.ginCtx, err))
 			}
 		} else {
-			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, commonApiErr.BindFailJSON, "missing JSON body", nil))
+			err := exerr.New(exerr.TypeBindFailJSON, "missing JSON body").
+				Str("struct_type", fmt.Sprintf("%T", pctx.body)).
+				Build()
+			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, err))
 		}
 	}
 
 	if pctx.form != nil {
 		if pctx.ginCtx.ContentType() == "multipart/form-data" {
 			if err := pctx.ginCtx.ShouldBindWith(pctx.form, binding.Form); err != nil {
-				return nil, nil, langext.Ptr(APIError(pctx.ginCtx, commonApiErr.BindFailFormData, "Failed to read multipart-form", err))
+				err = exerr.Wrap(err, "Failed to read multipart-form").
+					WithType(exerr.TypeBindFailFormData).
+					Str("struct_type", fmt.Sprintf("%T", pctx.form)).
+					Build()
+				return nil, nil, langext.Ptr(APIError(pctx.ginCtx, err))
 			}
 		} else {
-			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, commonApiErr.BindFailJSON, "missing form body", nil))
+			err := exerr.New(exerr.TypeBindFailFormData, "missing form body").
+				Str("struct_type", fmt.Sprintf("%T", pctx.form)).
+				Build()
+			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, err))
+		}
+	}
+
+	if pctx.header != nil {
+		if err := pctx.ginCtx.ShouldBindHeader(pctx.query); err != nil {
+			err = exerr.Wrap(err, "Failed to read header").
+				WithType(exerr.TypeBindFailHeader).
+				Str("struct_type", fmt.Sprintf("%T", pctx.query)).
+				Build()
+			return nil, nil, langext.Ptr(APIError(pctx.ginCtx, err))
 		}
 	}
 

ginext/response.go

@@ -3,57 +3,97 @@ package ginext
 import (
 	"fmt"
 	"github.com/gin-gonic/gin"
-	"github.com/rs/zerolog/log"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 	json "gogs.mikescher.com/BlackForestBytes/goext/gojson"
-	"gogs.mikescher.com/BlackForestBytes/goext/langext"
-	"runtime/debug"
-	"strings"
 )
 
+type headerval struct {
+	Key string
+	Val string
+}
+
 type HTTPResponse interface {
 	Write(g *gin.Context)
+	WithHeader(k string, v string) HTTPResponse
 }
 
 type jsonHTTPResponse struct {
 	statusCode int
 	data       any
+	headers    []headerval
 }
 
 func (j jsonHTTPResponse) Write(g *gin.Context) {
+	for _, v := range j.headers {
+		g.Header(v.Key, v.Val)
+	}
 	g.Render(j.statusCode, json.GoJsonRender{Data: j.data, NilSafeSlices: true, NilSafeMaps: true})
 }
 
+func (j jsonHTTPResponse) WithHeader(k string, v string) HTTPResponse {
+	j.headers = append(j.headers, headerval{k, v})
+	return j
+}
+
 type emptyHTTPResponse struct {
 	statusCode int
+	headers    []headerval
 }
 
 func (j emptyHTTPResponse) Write(g *gin.Context) {
+	for _, v := range j.headers {
+		g.Header(v.Key, v.Val)
+	}
 	g.Status(j.statusCode)
 }
 
+func (j emptyHTTPResponse) WithHeader(k string, v string) HTTPResponse {
+	j.headers = append(j.headers, headerval{k, v})
+	return j
+}
+
 type textHTTPResponse struct {
 	statusCode int
 	data       string
+	headers    []headerval
 }
 
 func (j textHTTPResponse) Write(g *gin.Context) {
+	for _, v := range j.headers {
+		g.Header(v.Key, v.Val)
+	}
 	g.String(j.statusCode, "%s", j.data)
 }
 
+func (j textHTTPResponse) WithHeader(k string, v string) HTTPResponse {
+	j.headers = append(j.headers, headerval{k, v})
+	return j
+}
+
 type dataHTTPResponse struct {
 	statusCode  int
 	data        []byte
 	contentType string
+	headers     []headerval
 }
 
 func (j dataHTTPResponse) Write(g *gin.Context) {
+	for _, v := range j.headers {
+		g.Header(v.Key, v.Val)
+	}
 	g.Data(j.statusCode, j.contentType, j.data)
 }
 
+func (j dataHTTPResponse) WithHeader(k string, v string) HTTPResponse {
+	j.headers = append(j.headers, headerval{k, v})
+	return j
+}
+
 type fileHTTPResponse struct {
 	mimetype string
 	filepath string
 	filename *string
+	headers  []headerval
 }
 
 func (j fileHTTPResponse) Write(g *gin.Context) {
@@ -62,18 +102,46 @@ func (j fileHTTPResponse) Write(g *gin.Context) {
 		g.Header("Content-Disposition", fmt.Sprintf("attachment; filename=\"%s\"", *j.filename))
 
 	}
+	for _, v := range j.headers {
+		g.Header(v.Key, v.Val)
+	}
 	g.File(j.filepath)
 }
 
+func (j fileHTTPResponse) WithHeader(k string, v string) HTTPResponse {
+	j.headers = append(j.headers, headerval{k, v})
+	return j
+}
+
 type redirectHTTPResponse struct {
 	statusCode int
 	url        string
+	headers    []headerval
 }
 
 func (j redirectHTTPResponse) Write(g *gin.Context) {
 	g.Redirect(j.statusCode, j.url)
 }
 
+func (j redirectHTTPResponse) WithHeader(k string, v string) HTTPResponse {
+	j.headers = append(j.headers, headerval{k, v})
+	return j
+}
+
+type jsonAPIErrResponse struct {
+	err     *exerr.ExErr
+	headers []headerval
+}
+
+func (j jsonAPIErrResponse) Write(g *gin.Context) {
+	j.err.Output(g)
+}
+
+func (j jsonAPIErrResponse) WithHeader(k string, v string) HTTPResponse {
+	j.headers = append(j.headers, headerval{k, v})
+	return j
+}
+
 func Status(sc int) HTTPResponse {
 	return &emptyHTTPResponse{statusCode: sc}
 }
@@ -102,52 +170,12 @@ func Redirect(sc int, newURL string) HTTPResponse {
 	return &redirectHTTPResponse{statusCode: sc, url: newURL}
 }
 
-func APIError(g *gin.Context, errcode commonApiErr.APIErrorCode, msg string, e error) HTTPResponse {
-	return createApiError(g, errcode, msg, e)
+func APIError(g *gin.Context, e error) HTTPResponse {
+	return &jsonAPIErrResponse{
+		err: exerr.FromError(e),
+	}
 }
 
 func NotImplemented(g *gin.Context) HTTPResponse {
-	return createApiError(g, commonApiErr.NotImplemented, "", nil)
-}
-
-func createApiError(g *gin.Context, errcode commonApiErr.APIErrorCode, msg string, e error) HTTPResponse {
-	reqUri := ""
-	if g != nil && g.Request != nil {
-		reqUri = g.Request.Method + " :: " + g.Request.RequestURI
-	}
-
-	log.Error().
-		Str("errorcode.key", errcode.Key).
-		Int("errcode.status", errcode.HTTPStatusCode).
-		Str("uri", reqUri).
-		AnErr("err", e).
-		Stack().
-		Msg(msg)
-
-	var fapiMessage *string = nil
-	if v, ok := e.(interface{ FAPIMessage() string }); ok {
-		fapiMessage = langext.Ptr(v.FAPIMessage())
-	}
-
-	if g.GetBool("__returnRawErrors") {
-		return &jsonHTTPResponse{
-			statusCode: errcode.HTTPStatusCode,
-			data: extAPIError{
-				ErrorCode:        errcode.Key,
-				Message:          msg,
-				RawError:         langext.Ptr(langext.Conditional(e == nil, "", fmt.Sprintf("%+v", e))),
-				FAPIErrorMessage: fapiMessage,
-				Trace:            strings.Split(string(debug.Stack()), "\n"),
-			},
-		}
-	} else {
-		return &jsonHTTPResponse{
-			statusCode: errcode.HTTPStatusCode,
-			data: apiError{
-				ErrorCode:        errcode.Key,
-				Message:          msg,
-				FAPIErrorMessage: fapiMessage,
-			},
-		}
-	}
+	return APIError(g, exerr.New(exerr.TypeNotImplemented, "").Build())
 }

ginext/routes.go

@@ -2,6 +2,7 @@ package ginext
 
 import (
 	"github.com/gin-gonic/gin"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 	"net/http"
 )
 
@@ -14,6 +15,7 @@ var anyMethods = []string{
 type GinRoutesWrapper struct {
 	wrapper        *GinWrapper
 	routes         gin.IRouter
+	defaultHandler []gin.HandlerFunc
 }
 
 type GinRouteBuilder struct {
@@ -29,43 +31,49 @@ func (w *GinWrapper) Routes() *GinRoutesWrapper {
 }
 
 func (w *GinRoutesWrapper) Group(relativePath string) *GinRoutesWrapper {
-	return &GinRoutesWrapper{wrapper: w.wrapper, routes: w.routes.Group(relativePath)}
+	return &GinRoutesWrapper{wrapper: w.wrapper, routes: w.routes.Group(relativePath), defaultHandler: langext.ArrCopy(w.defaultHandler)}
+}
+
+func (w *GinRoutesWrapper) Use(middleware ...gin.HandlerFunc) *GinRoutesWrapper {
+	defHandler := langext.ArrCopy(w.defaultHandler)
+	defHandler = append(defHandler, middleware...)
+	return &GinRoutesWrapper{wrapper: w.wrapper, routes: w.routes, defaultHandler: defHandler}
 }
 
 func (w *GinRoutesWrapper) GET(relativePath string) *GinRouteBuilder {
-	return &GinRouteBuilder{routes: w, methods: []string{http.MethodGet}, relPath: relativePath, handlers: make([]gin.HandlerFunc, 0)}
+	return &GinRouteBuilder{routes: w, methods: []string{http.MethodGet}, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
 }
 
 func (w *GinRoutesWrapper) POST(relativePath string) *GinRouteBuilder {
-	return &GinRouteBuilder{routes: w, methods: []string{http.MethodPost}, relPath: relativePath, handlers: make([]gin.HandlerFunc, 0)}
+	return &GinRouteBuilder{routes: w, methods: []string{http.MethodPost}, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
 }
 
 func (w *GinRoutesWrapper) DELETE(relativePath string) *GinRouteBuilder {
-	return &GinRouteBuilder{routes: w, methods: []string{http.MethodDelete}, relPath: relativePath, handlers: make([]gin.HandlerFunc, 0)}
+	return &GinRouteBuilder{routes: w, methods: []string{http.MethodDelete}, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
 }
 
 func (w *GinRoutesWrapper) PATCH(relativePath string) *GinRouteBuilder {
-	return &GinRouteBuilder{routes: w, methods: []string{http.MethodPatch}, relPath: relativePath, handlers: make([]gin.HandlerFunc, 0)}
+	return &GinRouteBuilder{routes: w, methods: []string{http.MethodPatch}, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
 }
 
 func (w *GinRoutesWrapper) PUT(relativePath string) *GinRouteBuilder {
-	return &GinRouteBuilder{routes: w, methods: []string{http.MethodPut}, relPath: relativePath, handlers: make([]gin.HandlerFunc, 0)}
+	return &GinRouteBuilder{routes: w, methods: []string{http.MethodPut}, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
 }
 
 func (w *GinRoutesWrapper) OPTIONS(relativePath string) *GinRouteBuilder {
-	return &GinRouteBuilder{routes: w, methods: []string{http.MethodOptions}, relPath: relativePath, handlers: make([]gin.HandlerFunc, 0)}
+	return &GinRouteBuilder{routes: w, methods: []string{http.MethodOptions}, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
 }
 
 func (w *GinRoutesWrapper) HEAD(relativePath string) *GinRouteBuilder {
-	return &GinRouteBuilder{routes: w, methods: []string{http.MethodHead}, relPath: relativePath, handlers: make([]gin.HandlerFunc, 0)}
+	return &GinRouteBuilder{routes: w, methods: []string{http.MethodHead}, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
 }
 
 func (w *GinRoutesWrapper) COUNT(relativePath string) *GinRouteBuilder {
-	return &GinRouteBuilder{routes: w, methods: []string{"COUNT"}, relPath: relativePath, handlers: make([]gin.HandlerFunc, 0)}
+	return &GinRouteBuilder{routes: w, methods: []string{"COUNT"}, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
 }
 
 func (w *GinRoutesWrapper) Any(relativePath string) *GinRouteBuilder {
-	return &GinRouteBuilder{routes: w, methods: anyMethods, relPath: relativePath, handlers: make([]gin.HandlerFunc, 0)}
+	return &GinRouteBuilder{routes: w, methods: anyMethods, relPath: relativePath, handlers: langext.ArrCopy(w.defaultHandler)}
 }
 
 func (w *GinRouteBuilder) Use(middleware ...gin.HandlerFunc) *GinRouteBuilder {

go.mod

@@ -5,6 +5,7 @@ go 1.19
 require (
 	github.com/gin-gonic/gin v1.9.1
 	github.com/jmoiron/sqlx v1.3.5
+	github.com/rs/xid v1.5.0
 	github.com/rs/zerolog v1.29.1
 	go.mongodb.org/mongo-driver v1.12.0
 	golang.org/x/crypto v0.11.0

go.sum

@@ -1,19 +1,16 @@
 github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
-github.com/bytedance/sonic v1.9.1 h1:6iJ6NqdoxCDr6mbY8h18oSO+cShGSMRGCEo7F2h0x8s=
-github.com/bytedance/sonic v1.9.1/go.mod h1:i736AoUSYt75HyZLoJW9ERYxcy6eaN6h4BZXU064P/U=
 github.com/bytedance/sonic v1.10.0-rc/go.mod h1:ElCzW+ufi8qKqNW0FY314xriJhyJhuoJ3gFZdAHF7NM=
 github.com/bytedance/sonic v1.10.0-rc2 h1:oDfRZ+4m6AYCOC0GFeOCeYqvBmucy1isvouS2K0cPzo=
 github.com/bytedance/sonic v1.10.0-rc2/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
 github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
-github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 h1:qSGYFH7+jGhDF8vLC+iwCD4WpbV1EBDSzWkJODFLams=
 github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
 github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d h1:77cEq6EriyTZ0g/qfRdp61a3Uu/AWrgIq2s0ClJV1g0=
 github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d/go.mod h1:8EPpVsBuRksnlj1mLy4AWzRNQYxauNi62uWcE3to6eA=
 github.com/chenzhuoyu/iasm v0.9.0 h1:9fhXjVzq5hUy2gkhhgHl95zG2cEAhw9OSGs8toWWAwo=
 github.com/chenzhuoyu/iasm v0.9.0/go.mod h1:Xjy2NpN3h7aUqeqM+woSuuvxmIe6+DDsiNLIrkAmYog=
+github.com/coreos/go-systemd/v22 v22.3.3-0.20220203105225-a9a7ef127534/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
 github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
@@ -25,11 +22,8 @@ github.com/go-playground/locales v0.14.1 h1:EWaQ/wswjilfKLTECiXz7Rh+3BjFhfDFKv/o
 github.com/go-playground/locales v0.14.1/go.mod h1:hxrqLVvrK65+Rwrd5Fc6F2O76J/NuW9t0sjnWqG1slY=
 github.com/go-playground/universal-translator v0.18.1 h1:Bcnm0ZwsGyWbCzImXv+pAJnYK9S473LQFuzCbDbfSFY=
 github.com/go-playground/universal-translator v0.18.1/go.mod h1:xekY+UJKNuX9WP91TpwSH2VMlDf28Uj24BCp08ZFTUY=
-github.com/go-playground/validator/v10 v10.14.0 h1:vgvQWe3XCz3gIeFDm/HnTIbj6UGmg/+t63MyGU2n5js=
-github.com/go-playground/validator/v10 v10.14.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
 github.com/go-playground/validator/v10 v10.14.1 h1:9c50NUPC30zyuKprjL3vNZ0m5oG+jU0zvx4AqHGnv4k=
 github.com/go-playground/validator/v10 v10.14.1/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
-github.com/go-sql-driver/mysql v1.6.0 h1:BCTh4TKNUYmOmMUcQ3IipzF5prigylS7XXjEkfCHuOE=
 github.com/go-sql-driver/mysql v1.6.0/go.mod h1:DCzpHaOWr8IXmIStZouvnhqoel9Qv2LBy8hT2VhHyBg=
 github.com/goccy/go-json v0.10.2 h1:CrxCmQqYDkv1z7lO7Wbh2HN93uovUHgrECaO5ZrCXAU=
 github.com/goccy/go-json v0.10.2/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
@@ -39,7 +33,6 @@ github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
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-github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM=
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@@ -49,36 +42,27 @@ github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnr
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-github.com/klauspost/compress v1.16.5 h1:IFV2oUNUzZaz+XyusxpLzpzS8Pt5rh0Z16For/djlyI=
-github.com/klauspost/compress v1.16.5/go.mod h1:ntbaceVETuRiXiv4DpjP66DpAtAGkEQskQzEyD//IeE=
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@@ -89,31 +73,29 @@ github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe h1:iruDEfMl2E6f
 github.com/montanaflynn/stats v0.0.0-20171201202039-1bf9dbcd8cbe/go.mod h1:wL8QJuTMNUDYhXwkmfOly8iTdp5TEcJFWZD2D7SIkUc=
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-github.com/pelletier/go-toml/v2 v2.0.8 h1:0ctb6s9mE31h0/lhu+J6OPmVeDxJn+kYnJc2jZR9tGQ=
-github.com/pelletier/go-toml/v2 v2.0.8/go.mod h1:vuYfssBdrU2XDZ9bYydBu6t+6a6PYNcZljzZR9VXg+4=
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-github.com/stretchr/testify v1.8.3/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
 github.com/stretchr/testify v1.8.4/go.mod h1:sz/lmYIOXD/1dqDmKjjqLyZ2RngseejIcXlSw2iwfAo=
-github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4=
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@@ -134,15 +116,11 @@ github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d/go.mod h1:rHwXgn7Jul
 github.com/youmark/pkcs8 v0.0.0-20201027041543-1326539a0a0a h1:fZHgsYlfvtyqToslyjUt3VOPF4J7aK/3MPcK7xp3PDk=
 github.com/youmark/pkcs8 v0.0.0-20201027041543-1326539a0a0a/go.mod h1:ul22v+Nro/R083muKhosV54bj5niojjWZvU8xrevuH4=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-go.mongodb.org/mongo-driver v1.11.1 h1:QP0znIRTuL0jf1oBQoAoM0C6ZJfBK4kx0Uumtv1A7w8=
-go.mongodb.org/mongo-driver v1.11.1/go.mod h1:s7p5vEtfbeR1gYi6pnj3c3/urpbLv2T5Sfd6Rp2HBB8=
-go.mongodb.org/mongo-driver v1.11.7 h1:LIwYxASDLGUg/8wOhgOOZhX8tQa/9tgZPgzZoVqJvcs=
-go.mongodb.org/mongo-driver v1.11.7/go.mod h1:G9TgswdsWjX4tmDA5zfs2+6AEPpYJwqblyjsfuh8oXY=
+go.mongodb.org/mongo-driver v1.11.2 h1:+1v2rDQUWNcGW7/7E0Jvdz51V38XXxJfhzbV17aNHCw=
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 golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
-golang.org/x/arch v0.3.0 h1:02VY4/ZcO/gBOH6PUaoiptASxtXU10jazRCP865E97k=
-golang.org/x/arch v0.3.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/arch v0.4.0 h1:A8WCeEWhLwPBKNbFi5Wv5UTCBx5zzubnXDlMOFAzFMc=
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 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -151,10 +129,6 @@ golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5y
 golang.org/x/crypto v0.0.0-20220622213112-05595931fe9d/go.mod h1:IxCIyHEi3zRg3s0A5j5BB6A9Jmi73HwBIUl50j+osU4=
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-golang.org/x/crypto v0.9.0 h1:LF6fAI+IutBocDJ2OT0Q1g8plpYljMZ4+lty+dsqw3g=
-golang.org/x/crypto v0.9.0/go.mod h1:yrmDGqONDYtNj3tH8X9dzUun2m2lzPa9ngI6/RUPGR0=
-golang.org/x/crypto v0.10.0 h1:LKqV2xt9+kDzSTfOhx4FrkEBcMrAgHSYgzywV9zcGmM=
-golang.org/x/crypto v0.10.0/go.mod h1:o4eNf7Ede1fv+hwOwZsTHl9EsPFO6q6ZvYR8vYfY45I=
 golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
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@@ -163,16 +137,12 @@ golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.10.0 h1:X2//UzNDwYmtCLn7To6G58Wr6f5ahEAQgKNzv9Y951M=
-golang.org/x/net v0.10.0/go.mod h1:0qNGK6F8kojg2nk9dLZ2mShWaEBan6FAoqfSigmmuDg=
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 golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.2.0 h1:PUR+T4wwASmuSTYdKjYHI5TD22Wy5ogLU5qZCOLxBrI=
-golang.org/x/sync v0.2.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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@@ -183,27 +153,23 @@ golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBc
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+golang.org/x/sys v0.1.0 h1:kunALQeHf1/185U1i0GOB/fy1IPRDDpuoOOqRReG57U=
+golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.3.0 h1:w8ZOecv6NaNa/zC8944JTU3vz4u6Lagfk4RPQxv92NQ=
 golang.org/x/sys v0.3.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU=
 golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.8.0 h1:EBmGv8NaZBZTWvrbjNoL6HVt+IVy3QDQpJs7VRIw3tU=
-golang.org/x/sys v0.8.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.9.0 h1:KS/R3tvhPqvJvwcKfnBHJwwthS11LRhmM5D59eEXa0s=
-golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.10.0 h1:SqMFp9UcQJZa+pmYuAKjd9xq1f0j5rLcDIk0mj4qAsA=
 golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
+golang.org/x/term v0.1.0 h1:g6Z6vPFA9dYBAF7DWcH6sCcOntplXsDKcliusYijMlw=
+golang.org/x/term v0.1.0/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.3.0 h1:qoo4akIqOcDME5bhc/NgxUdovd6BSS2uMsVjB56q1xI=
 golang.org/x/term v0.3.0/go.mod h1:q750SLmJuPmVoN1blW3UFBPREJfb1KmY3vwxfr+nFDA=
-golang.org/x/term v0.8.0 h1:n5xxQn2i3PC0yLAbjTpNT85q/Kgzcr2gIoX9OrJUols=
-golang.org/x/term v0.8.0/go.mod h1:xPskH00ivmX89bAKVGSKKtLOWNx2+17Eiy94tnKShWo=
-golang.org/x/term v0.9.0 h1:GRRCnKYhdQrD8kfRAdQ6Zcw1P0OcELxGLKJvtjVMZ28=
-golang.org/x/term v0.9.0/go.mod h1:M6DEAAIenWoTxdKrOltXcmDY3rSplQUkrvaDU5FcQyo=
 golang.org/x/term v0.10.0 h1:3R7pNqamzBraeqj/Tj8qt1aQ2HpmlC+Cx/qL/7hn4/c=
 golang.org/x/term v0.10.0/go.mod h1:lpqdcUyK/oCiQxvxVrppt5ggO2KCZ5QblwqPnfZ6d5o=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@@ -214,21 +180,14 @@ golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=
 golang.org/x/text v0.5.0 h1:OLmvp0KP+FVG99Ct/qFiL/Fhk4zp4QQnZ7b2U+5piUM=
 golang.org/x/text v0.5.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
 golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.9.0 h1:2sjJmO8cDvYveuX97RDLsxlyUxLl+GHoLxBiRdHllBE=
-golang.org/x/text v0.9.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/text v0.10.0 h1:UpjohKhiEgNc0CSauXmwYftY1+LlaC75SJwh0SgCX58=
-golang.org/x/text v0.10.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 golang.org/x/text v0.11.0 h1:LAntKIrcmeSKERyiOh0XMV39LXS8IE9UL2yP7+f5ij4=
 golang.org/x/text v0.11.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
 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=
-golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
-google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
-google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 google.golang.org/protobuf v1.31.0 h1:g0LDEJHgrBl9N9r17Ru3sqWhkIx2NB67okBHPwC7hs8=
 google.golang.org/protobuf v1.31.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

goextVersion.go

@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.180"
+const GoextVersion = "0.0.200"
 
-const GoextVersionTimestamp = "2023-07-19T11:24:01+0200"
+const GoextVersionTimestamp = "2023-07-24T17:42:18+0200"

langext/array.go

@@ -440,3 +440,30 @@ func ArrCopy[T any](in []T) []T {
 	copy(out, in)
 	return out
 }
+
+func ArrRemove[T comparable](arr []T, needle T) []T {
+	idx := ArrFirstIndex(arr, needle)
+	if idx >= 0 {
+		return append(arr[:idx], arr[idx+1:]...)
+	}
+	return arr
+}
+
+func ArrExcept[T comparable](arr []T, needles ...T) []T {
+	r := make([]T, 0, len(arr))
+	rmlist := ArrToSet(needles)
+	for _, v := range arr {
+		if _, ok := rmlist[v]; !ok {
+			r = append(r, v)
+		}
+	}
+	return r
+}
+
+func ArrayToInterface[T any](t []T) []interface{} {
+	res := make([]interface{}, 0, len(t))
+	for i, _ := range t {
+		res = append(res, t[i])
+	}
+	return res
+}

langext/maps.go

@@ -29,6 +29,14 @@ func ArrToMap[T comparable, V any](a []V, keyfunc func(V) T) map[T]V {
 	return result
 }
 
+func ArrToSet[T comparable](a []T) map[T]bool {
+	result := make(map[T]bool, len(a))
+	for _, v := range a {
+		result[v] = true
+	}
+	return result
+}
+
 func MapToArr[T comparable, V any](v map[T]V) []MapEntry[T, V] {
 	result := make([]MapEntry[T, V], 0, len(v))
 	for mk, mv := range v {

wmo/queryInsert.go

@@ -3,6 +3,8 @@ package wmo
 import (
 	"context"
 	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/mongo"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 )
 
 func (c *Coll[TData]) InsertOne(ctx context.Context, valueIn TData) (TData, error) {
@@ -15,3 +17,7 @@ func (c *Coll[TData]) InsertOne(ctx context.Context, valueIn TData) (TData, erro
 
 	return c.decodeSingle(ctx, mongoRes)
 }
+
+func (c *Coll[TData]) InsertMany(ctx context.Context, valueIn []TData) (*mongo.InsertManyResult, error) {
+	return c.coll.InsertMany(ctx, langext.ArrayToInterface(valueIn))
+}