v0.0.263 re-add checksum guard to id-generate

.gitea/workflows/Dockerfile_tests

@@ -0,0 +1,9 @@
+FROM golang:latest
+
+RUN apt install -y make curl python3 && go install gotest.tools/gotestsum@latest
+
+COPY . /source
+
+WORKDIR /source
+
+CMD ["make", "test"]

.gitea/workflows/tests.yml

@@ -0,0 +1,30 @@
+
+# https://docs.gitea.com/next/usage/actions/quickstart
+# https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions
+# https://docs.github.com/en/actions/learn-github-actions/contexts#github-context
+
+name: Build Docker and Deploy
+run-name: Build & Deploy ${{ gitea.ref }} on ${{ gitea.actor }}
+
+on: [push]
+
+jobs:
+  run_tests:
+    name: Run goext test-suite
+    runs-on: bfb-cicd-latest
+    steps:
+
+      - name: Check out code
+        uses: actions/checkout@v3
+
+      - name: Build test docker
+        id: build_docker
+        run: echo "DOCKER_IMG_ID=$(docker build -q . -f .gitea/workflows/Dockerfile_tests || echo __err_build__)" >> $GITHUB_OUTPUT
+
+      - name: Run tests
+        run: docker run --rm "${{ steps.build_docker.outputs.DOCKER_IMG_ID }}"
+
+      - name: Cleanup
+        if: always()
+        run: docker image rm "${{ steps.build_docker.outputs.DOCKER_IMG_ID }}"
+

Makefile

@@ -5,7 +5,7 @@ run:
 test:
 	# go test ./...
 	which gotestsum || go install gotest.tools/gotestsum@latest
-	gotestsum --format "testname" -- -tags="timetzdata sqlite_fts5 sqlite_foreign_keys" "./test"
+	gotestsum --format "testname" -- -tags="timetzdata sqlite_fts5 sqlite_foreign_keys" "./..."
 
 version:
 	_data/version.sh

TODO.md

@@ -2,12 +2,6 @@
 
  - cronext
 
- - cursortoken
+ - rfctime.DateOnly
-
+ - rfctime.HMSTimeOnly
- - typed/geenric mongo wrapper
+ - rfctime.NanoTimeOnly
-
- - error package
-
-- rfctime.DateOnly
-- rfctime.HMSTimeOnly
-- rfctime.NanoTimeOnly

bfcodegen/enum-generate.go

@@ -31,13 +31,13 @@ type EnumDef struct {
 	Values       []EnumDefVal
 }
 
-var rexPackage = rext.W(regexp.MustCompile(`^package\s+(?P<name>[A-Za-z0-9_]+)\s*$`))
+var rexEnumPackage = rext.W(regexp.MustCompile(`^package\s+(?P<name>[A-Za-z0-9_]+)\s*$`))
 
 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 rexValueDef = 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_:]+"|[0-9]+))\s*(//(?P<descr>.*))?.*$`))
+var rexEnumValueDef = rext.W(regexp.MustCompile(`^\s*(?P<name>[A-Za-z0-9_]+)\s+(?P<type>[A-Za-z0-9_]+)\s*=\s*(?P<value>("[A-Za-z0-9_:]+"|[0-9]+))\s*(//(?P<descr>.*))?.*$`))
 
-var rexChecksumConst = rext.W(regexp.MustCompile(`const ChecksumGenerator = "(?P<cs>[A-Za-z0-9_]*)"`))
+var rexEnumChecksumConst = rext.W(regexp.MustCompile(`const ChecksumEnumGenerator = "(?P<cs>[A-Za-z0-9_]*)"`))
 
 func GenerateEnumSpecs(sourceDir string, destFile string) error {
 
@@ -52,13 +52,14 @@ func GenerateEnumSpecs(sourceDir string, destFile string) error {
 		if err != nil {
 			return err
 		}
-		if m, ok := rexChecksumConst.MatchFirst(string(content)); ok {
+		if m, ok := rexEnumChecksumConst.MatchFirst(string(content)); ok {
 			oldChecksum = m.GroupByName("cs").Value()
 		}
 	}
 
 	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return v.Name() != path.Base(destFile) })
 	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return strings.HasSuffix(v.Name(), ".go") })
+	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return !strings.HasSuffix(v.Name(), "_gen.go") })
 	langext.SortBy(files, func(v os.DirEntry) string { return v.Name() })
 
 	newChecksumStr := goext.GoextVersion
@@ -85,7 +86,7 @@ func GenerateEnumSpecs(sourceDir string, destFile string) error {
 
 	for _, f := range files {
 		fmt.Printf("========= %s =========\n\n", f.Name())
-		fileEnums, pn, err := processFile(sourceDir, path.Join(sourceDir, f.Name()))
+		fileEnums, pn, err := processEnumFile(sourceDir, path.Join(sourceDir, f.Name()))
 		if err != nil {
 			return err
 		}
@@ -103,7 +104,7 @@ func GenerateEnumSpecs(sourceDir string, destFile string) error {
 		return errors.New("no package name found in any file")
 	}
 
-	err = os.WriteFile(destFile, []byte(fmtOutput(newChecksum, allEnums, pkgname)), 0o755)
+	err = os.WriteFile(destFile, []byte(fmtEnumOutput(newChecksum, allEnums, pkgname)), 0o755)
 	if err != nil {
 		return err
 	}
@@ -125,7 +126,7 @@ func GenerateEnumSpecs(sourceDir string, destFile string) error {
 	return nil
 }
 
-func processFile(basedir string, fn string) ([]EnumDef, string, error) {
+func processEnumFile(basedir string, fn string) ([]EnumDef, string, error) {
 	file, err := os.Open(fn)
 	if err != nil {
 		return nil, "", err
@@ -149,7 +150,7 @@ func processFile(basedir string, fn string) ([]EnumDef, string, error) {
 			break
 		}
 
-		if match, ok := rexPackage.MatchFirst(line); i == 0 && ok {
+		if match, ok := rexEnumPackage.MatchFirst(line); i == 0 && ok {
 			pkgname = match.GroupByName("name").Value()
 			continue
 		}
@@ -172,7 +173,7 @@ func processFile(basedir string, fn string) ([]EnumDef, string, error) {
 			fmt.Printf("Found enum definition { '%s' -> '%s' }\n", def.EnumTypeName, def.Type)
 		}
 
-		if match, ok := rexValueDef.MatchFirst(line); ok {
+		if match, ok := rexEnumValueDef.MatchFirst(line); ok {
 			typename := match.GroupByName("type").Value()
 			def := EnumDefVal{
 				VarName:     match.GroupByName("name").Value(),
@@ -202,7 +203,7 @@ func processFile(basedir string, fn string) ([]EnumDef, string, error) {
 	return enums, pkgname, nil
 }
 
-func fmtOutput(cs string, enums []EnumDef, pkgname string) string {
+func fmtEnumOutput(cs string, enums []EnumDef, pkgname string) string {
 	str := "// Code generated by enum-generate.go DO NOT EDIT.\n"
 	str += "\n"
 	str += "package " + pkgname + "\n"
@@ -212,7 +213,7 @@ func fmtOutput(cs string, enums []EnumDef, pkgname string) string {
 	str += "import \"gogs.mikescher.com/BlackForestBytes/goext/enums\"" + "\n"
 	str += "\n"
 
-	str += "const ChecksumGenerator = \"" + cs + "\" // GoExtVersion: " + goext.GoextVersion + "\n"
+	str += "const ChecksumEnumGenerator = \"" + cs + "\" // GoExtVersion: " + goext.GoextVersion + "\n"
 	str += "\n"
 
 	for _, enumdef := range enums {

bfcodegen/enum-generate_test.go

@@ -1,15 +1,42 @@
 package bfcodegen
 
 import (
+	_ "embed"
+	"gogs.mikescher.com/BlackForestBytes/goext/cmdext"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
+	"gogs.mikescher.com/BlackForestBytes/goext/tst"
+	"os"
+	"path/filepath"
 	"testing"
+	"time"
 )
 
-func TestApplyEnvOverridesSimple(t *testing.T) {
+//go:embed _test_example.tgz
+var ExampleModels []byte
 
-	err := GenerateEnumSpecs("/home/mike/Code/reiff/badennet/bnet-backend/models", "/home/mike/Code/reiff/badennet/bnet-backend/models/enums_gen.go")
+func TestGenerateEnumSpecs(t *testing.T) {
-	if err != nil {
+
-		t.Error(err)
+	tmpFile := filepath.Join(t.TempDir(), langext.MustHexUUID()+".tgz")
-		t.Fail()
+
-	}
+	tmpDir := filepath.Join(t.TempDir(), langext.MustHexUUID())
+
+	err := os.WriteFile(tmpFile, ExampleModels, 0o777)
+	tst.AssertNoErr(t, err)
+
+	t.Cleanup(func() { _ = os.Remove(tmpFile) })
+
+	err = os.Mkdir(tmpDir, 0o777)
+	tst.AssertNoErr(t, err)
+
+	t.Cleanup(func() { _ = os.RemoveAll(tmpFile) })
+
+	_, err = cmdext.Runner("tar").Arg("-xvzf").Arg(tmpFile).Arg("-C").Arg(tmpDir).FailOnExitCode().FailOnTimeout().Timeout(time.Minute).Run()
+	tst.AssertNoErr(t, err)
+
+	err = GenerateEnumSpecs(tmpDir, tmpDir+"/enums_gen.go")
+	tst.AssertNoErr(t, err)
+
+	err = GenerateEnumSpecs(tmpDir, tmpDir+"/enums_gen.go")
+	tst.AssertNoErr(t, err)
 
 }

bfcodegen/id-generate.go

@@ -0,0 +1,229 @@
+package bfcodegen
+
+import (
+	"errors"
+	"fmt"
+	"gogs.mikescher.com/BlackForestBytes/goext"
+	"gogs.mikescher.com/BlackForestBytes/goext/cmdext"
+	"gogs.mikescher.com/BlackForestBytes/goext/cryptext"
+	"gogs.mikescher.com/BlackForestBytes/goext/langext"
+	"gogs.mikescher.com/BlackForestBytes/goext/rext"
+	"io"
+	"os"
+	"path"
+	"path/filepath"
+	"regexp"
+	"strings"
+	"time"
+)
+
+type IDDef struct {
+	File         string
+	FileRelative string
+	Name         string
+}
+
+var rexIDPackage = rext.W(regexp.MustCompile(`^package\s+(?P<name>[A-Za-z0-9_]+)\s*$`))
+
+var rexIDDef = rext.W(regexp.MustCompile(`^\s*type\s+(?P<name>[A-Za-z0-9_]+)\s+string\s*//\s*(@id:type).*$`))
+
+var rexIDChecksumConst = rext.W(regexp.MustCompile(`const ChecksumIDGenerator = "(?P<cs>[A-Za-z0-9_]*)"`))
+
+func GenerateIDSpecs(sourceDir string, destFile string) error {
+
+	files, err := os.ReadDir(sourceDir)
+	if err != nil {
+		return err
+	}
+
+	oldChecksum := "N/A"
+	if _, err := os.Stat(destFile); !os.IsNotExist(err) {
+		content, err := os.ReadFile(destFile)
+		if err != nil {
+			return err
+		}
+		if m, ok := rexIDChecksumConst.MatchFirst(string(content)); ok {
+			oldChecksum = m.GroupByName("cs").Value()
+		}
+	}
+
+	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return v.Name() != path.Base(destFile) })
+	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return strings.HasSuffix(v.Name(), ".go") })
+	files = langext.ArrFilter(files, func(v os.DirEntry) bool { return !strings.HasSuffix(v.Name(), "_gen.go") })
+	langext.SortBy(files, func(v os.DirEntry) string { return v.Name() })
+
+	newChecksumStr := goext.GoextVersion
+	for _, f := range files {
+		content, err := os.ReadFile(path.Join(sourceDir, f.Name()))
+		if err != nil {
+			return err
+		}
+		newChecksumStr += "\n" + f.Name() + "\t" + cryptext.BytesSha256(content)
+	}
+
+	newChecksum := cryptext.BytesSha256([]byte(newChecksumStr))
+
+	if newChecksum != oldChecksum {
+		fmt.Printf("[IDGenerate] Checksum has changed ( %s -> %s ), will generate new file\n\n", oldChecksum, newChecksum)
+	} else {
+		fmt.Printf("[IDGenerate] Checksum unchanged ( %s ), nothing to do\n", oldChecksum)
+		return nil
+	}
+
+	allIDs := make([]IDDef, 0)
+
+	pkgname := ""
+
+	for _, f := range files {
+		fmt.Printf("========= %s =========\n\n", f.Name())
+		fileIDs, pn, err := processIDFile(sourceDir, path.Join(sourceDir, f.Name()))
+		if err != nil {
+			return err
+		}
+
+		fmt.Printf("\n")
+
+		allIDs = append(allIDs, fileIDs...)
+
+		if pn != "" {
+			pkgname = pn
+		}
+	}
+
+	if pkgname == "" {
+		return errors.New("no package name found in any file")
+	}
+
+	err = os.WriteFile(destFile, []byte(fmtIDOutput(newChecksum, allIDs, pkgname)), 0o755)
+	if err != nil {
+		return err
+	}
+
+	res, err := cmdext.RunCommand("go", []string{"fmt", destFile}, langext.Ptr(2*time.Second))
+	if err != nil {
+		return err
+	}
+
+	if res.CommandTimedOut {
+		fmt.Println(res.StdCombined)
+		return errors.New("go fmt timed out")
+	}
+	if res.ExitCode != 0 {
+		fmt.Println(res.StdCombined)
+		return errors.New("go fmt did not succeed")
+	}
+
+	return nil
+}
+
+func processIDFile(basedir string, fn string) ([]IDDef, string, error) {
+	file, err := os.Open(fn)
+	if err != nil {
+		return nil, "", err
+	}
+
+	defer func() { _ = file.Close() }()
+
+	bin, err := io.ReadAll(file)
+	if err != nil {
+		return nil, "", err
+	}
+
+	lines := strings.Split(string(bin), "\n")
+
+	ids := make([]IDDef, 0)
+
+	pkgname := ""
+
+	for i, line := range lines {
+		if i == 0 && strings.HasPrefix(line, "// Code generated by") {
+			break
+		}
+
+		if match, ok := rexIDPackage.MatchFirst(line); i == 0 && ok {
+			pkgname = match.GroupByName("name").Value()
+			continue
+		}
+
+		if match, ok := rexIDDef.MatchFirst(line); ok {
+
+			rfp, err := filepath.Rel(basedir, fn)
+			if err != nil {
+				return nil, "", err
+			}
+
+			def := IDDef{
+				File:         fn,
+				FileRelative: rfp,
+				Name:         match.GroupByName("name").Value(),
+			}
+			fmt.Printf("Found ID definition { '%s' }\n", def.Name)
+			ids = append(ids, def)
+		}
+	}
+
+	return ids, pkgname, nil
+}
+
+func fmtIDOutput(cs string, ids []IDDef, pkgname string) string {
+	str := "// Code generated by id-generate.go DO NOT EDIT.\n"
+	str += "\n"
+	str += "package " + pkgname + "\n"
+	str += "\n"
+
+	str += "import \"go.mongodb.org/mongo-driver/bson\"" + "\n"
+	str += "import \"go.mongodb.org/mongo-driver/bson/bsontype\"" + "\n"
+	str += "import \"go.mongodb.org/mongo-driver/bson/primitive\"" + "\n"
+	str += "import \"gogs.mikescher.com/BlackForestBytes/goext/exerr\"" + "\n"
+	str += "\n"
+
+	str += "const ChecksumIDGenerator = \"" + cs + "\" // GoExtVersion: " + goext.GoextVersion + "\n"
+	str += "\n"
+
+	anyDef := langext.ArrFirstOrNil(ids, func(def IDDef) bool { return def.Name == "AnyID" || def.Name == "AnyId" })
+
+	for _, iddef := range ids {
+
+		str += "// ================================ " + iddef.Name + " (" + iddef.FileRelative + ") ================================" + "\n"
+		str += "" + "\n"
+
+		str += "func (i " + iddef.Name + ") MarshalBSONValue() (bsontype.Type, []byte, error) {" + "\n"
+		str += "	if objId, err := primitive.ObjectIDFromHex(string(i)); err == nil {" + "\n"
+		str += "		return bson.MarshalValue(objId)" + "\n"
+		str += "	} else {" + "\n"
+		str += "		return 0, nil, exerr.New(exerr.TypeMarshalEntityID, \"Failed to marshal " + iddef.Name + "(\"+i.String()+\") to ObjectId\").Str(\"value\", string(i)).Type(\"type\", i).Build()" + "\n"
+		str += "	}" + "\n"
+		str += "}" + "\n"
+
+		str += "" + "\n"
+
+		str += "func (i " + iddef.Name + ") String() string {" + "\n"
+		str += "	return string(i)" + "\n"
+		str += "}" + "\n"
+
+		str += "" + "\n"
+
+		str += "func (i " + iddef.Name + ") ObjID() (primitive.ObjectID, error) {" + "\n"
+		str += "	return primitive.ObjectIDFromHex(string(i))" + "\n"
+		str += "}" + "\n"
+
+		str += "" + "\n"
+
+		if anyDef != nil {
+			str += "func (i " + iddef.Name + ") AsAny() " + anyDef.Name + " {" + "\n"
+			str += "	return " + anyDef.Name + "(i)" + "\n"
+			str += "}" + "\n"
+
+			str += "" + "\n"
+		}
+
+		str += "func New" + iddef.Name + "() " + iddef.Name + " {" + "\n"
+		str += "	return " + iddef.Name + "(primitive.NewObjectID().Hex())" + "\n"
+		str += "}" + "\n"
+
+		str += "" + "\n"
+
+	}
+
+	return str
+}

cmdext/cmdrunner_test.go

@@ -33,7 +33,7 @@ func TestStdout(t *testing.T) {
 
 func TestStderr(t *testing.T) {
 
-	res1, err := Runner("python").Arg("-c").Arg("import sys; print(\"error\", file=sys.stderr, end='')").Run()
+	res1, err := Runner("python3").Arg("-c").Arg("import sys; print(\"error\", file=sys.stderr, end='')").Run()
 	if err != nil {
 		t.Errorf("%v", err)
 	}
@@ -56,7 +56,7 @@ func TestStderr(t *testing.T) {
 }
 
 func TestStdcombined(t *testing.T) {
-	res1, err := Runner("python").
+	res1, err := Runner("python3").
 		Arg("-c").
 		Arg("import sys; import time; print(\"1\", file=sys.stderr, flush=True); time.sleep(0.1); print(\"2\", file=sys.stdout, flush=True); time.sleep(0.1); print(\"3\", file=sys.stderr, flush=True)").
 		Run()
@@ -82,7 +82,7 @@ func TestStdcombined(t *testing.T) {
 }
 
 func TestPartialRead(t *testing.T) {
-	res1, err := Runner("python").
+	res1, err := Runner("python3").
 		Arg("-c").
 		Arg("import sys; import time; print(\"first message\", flush=True); time.sleep(5); print(\"cant see me\", flush=True);").
 		Timeout(100 * time.Millisecond).
@@ -106,7 +106,7 @@ func TestPartialRead(t *testing.T) {
 }
 
 func TestPartialReadStderr(t *testing.T) {
-	res1, err := Runner("python").
+	res1, err := Runner("python3").
 		Arg("-c").
 		Arg("import sys; import time; print(\"first message\", file=sys.stderr, flush=True); time.sleep(5); print(\"cant see me\", file=sys.stderr, flush=True);").
 		Timeout(100 * time.Millisecond).
@@ -131,7 +131,7 @@ func TestPartialReadStderr(t *testing.T) {
 
 func TestReadUnflushedStdout(t *testing.T) {
 
-	res1, err := Runner("python").Arg("-c").Arg("import sys; print(\"message101\", file=sys.stdout, end='')").Run()
+	res1, err := Runner("python3").Arg("-c").Arg("import sys; print(\"message101\", file=sys.stdout, end='')").Run()
 	if err != nil {
 		t.Errorf("%v", err)
 	}
@@ -155,7 +155,7 @@ func TestReadUnflushedStdout(t *testing.T) {
 
 func TestReadUnflushedStderr(t *testing.T) {
 
-	res1, err := Runner("python").Arg("-c").Arg("import sys; print(\"message101\", file=sys.stderr, end='')").Run()
+	res1, err := Runner("python3").Arg("-c").Arg("import sys; print(\"message101\", file=sys.stderr, end='')").Run()
 	if err != nil {
 		t.Errorf("%v", err)
 	}
@@ -180,7 +180,7 @@ func TestReadUnflushedStderr(t *testing.T) {
 func TestPartialReadUnflushed(t *testing.T) {
 	t.SkipNow()
 
-	res1, err := Runner("python").
+	res1, err := Runner("python3").
 		Arg("-c").
 		Arg("import sys; import time; print(\"first message\", end=''); time.sleep(5); print(\"cant see me\", end='');").
 		Timeout(100 * time.Millisecond).
@@ -206,7 +206,7 @@ func TestPartialReadUnflushed(t *testing.T) {
 func TestPartialReadUnflushedStderr(t *testing.T) {
 	t.SkipNow()
 
-	res1, err := Runner("python").
+	res1, err := Runner("python3").
 		Arg("-c").
 		Arg("import sys; import time; print(\"first message\", file=sys.stderr, end=''); time.sleep(5); print(\"cant see me\", file=sys.stderr, end='');").
 		Timeout(100 * time.Millisecond).
@@ -231,7 +231,7 @@ func TestPartialReadUnflushedStderr(t *testing.T) {
 
 func TestListener(t *testing.T) {
 
-	res1, err := Runner("python").
+	res1, err := Runner("python3").
 		Arg("-c").
 		Arg("import sys;" +
 			"import time;" +
@@ -264,7 +264,7 @@ func TestListener(t *testing.T) {
 
 func TestLongStdout(t *testing.T) {
 
-	res1, err := Runner("python").
+	res1, err := Runner("python3").
 		Arg("-c").
 		Arg("import sys; import time; print(\"X\" * 125001 + \"\\n\"); print(\"Y\" * 125001 + \"\\n\"); print(\"Z\" * 125001 + \"\\n\");").
 		Timeout(5000 * time.Millisecond).
@@ -298,7 +298,7 @@ func TestFailOnTimeout(t *testing.T) {
 
 func TestFailOnStderr(t *testing.T) {
 
-	res1, err := Runner("python").Arg("-c").Arg("import sys; print(\"error\", file=sys.stderr, end='')").FailOnStderr().Run()
+	res1, err := Runner("python3").Arg("-c").Arg("import sys; print(\"error\", file=sys.stderr, end='')").FailOnStderr().Run()
 	if err == nil {
 		t.Errorf("no err")
 	}

dataext/tuple.go

@@ -0,0 +1,170 @@
+package dataext
+
+type ValueGroup interface {
+	TupleLength() int
+	TupleValues() []any
+}
+
+// ----------------------------------------------------------------------------
+
+type Single[T1 any] struct {
+	V1 T1
+}
+
+func (s Single[T1]) TupleLength() int {
+	return 1
+}
+
+func (s Single[T1]) TupleValues() []any {
+	return []any{s.V1}
+}
+
+// ----------------------------------------------------------------------------
+
+type Tuple[T1 any, T2 any] struct {
+	V1 T1
+	V2 T2
+}
+
+func (t Tuple[T1, T2]) TupleLength() int {
+	return 2
+}
+
+func (t Tuple[T1, T2]) TupleValues() []any {
+	return []any{t.V1, t.V2}
+}
+
+// ----------------------------------------------------------------------------
+
+type Triple[T1 any, T2 any, T3 any] struct {
+	V1 T1
+	V2 T2
+	V3 T3
+}
+
+func (t Triple[T1, T2, T3]) TupleLength() int {
+	return 3
+}
+
+func (t Triple[T1, T2, T3]) TupleValues() []any {
+	return []any{t.V1, t.V2, t.V3}
+}
+
+// ----------------------------------------------------------------------------
+
+type Quadruple[T1 any, T2 any, T3 any, T4 any] struct {
+	V1 T1
+	V2 T2
+	V3 T3
+	V4 T4
+}
+
+func (t Quadruple[T1, T2, T3, T4]) TupleLength() int {
+	return 4
+}
+
+func (t Quadruple[T1, T2, T3, T4]) TupleValues() []any {
+	return []any{t.V1, t.V2, t.V3, t.V4}
+}
+
+// ----------------------------------------------------------------------------
+
+type Quintuple[T1 any, T2 any, T3 any, T4 any, T5 any] struct {
+	V1 T1
+	V2 T2
+	V3 T3
+	V4 T4
+	V5 T5
+}
+
+func (t Quintuple[T1, T2, T3, T4, T5]) TupleLength() int {
+	return 5
+}
+
+func (t Quintuple[T1, T2, T3, T4, T5]) TupleValues() []any {
+	return []any{t.V1, t.V2, t.V3, t.V4, t.V5}
+
+}
+
+// ----------------------------------------------------------------------------
+
+type Sextuple[T1 any, T2 any, T3 any, T4 any, T5 any, T6 any] struct {
+	V1 T1
+	V2 T2
+	V3 T3
+	V4 T4
+	V5 T5
+	V6 T6
+}
+
+func (t Sextuple[T1, T2, T3, T4, T5, T6]) TupleLength() int {
+	return 6
+}
+
+func (t Sextuple[T1, T2, T3, T4, T5, T6]) TupleValues() []any {
+	return []any{t.V1, t.V2, t.V3, t.V4, t.V5, t.V6}
+
+}
+
+// ----------------------------------------------------------------------------
+
+type Septuple[T1 any, T2 any, T3 any, T4 any, T5 any, T6 any, T7 any] struct {
+	V1 T1
+	V2 T2
+	V3 T3
+	V4 T4
+	V5 T5
+	V6 T6
+	V7 T7
+}
+
+func (t Septuple[T1, T2, T3, T4, T5, T6, T7]) TupleLength() int {
+	return 7
+}
+
+func (t Septuple[T1, T2, T3, T4, T5, T6, T7]) TupleValues() []any {
+	return []any{t.V1, t.V2, t.V3, t.V4, t.V5, t.V6, t.V7}
+}
+
+// ----------------------------------------------------------------------------
+
+type Octuple[T1 any, T2 any, T3 any, T4 any, T5 any, T6 any, T7 any, T8 any] struct {
+	V1 T1
+	V2 T2
+	V3 T3
+	V4 T4
+	V5 T5
+	V6 T6
+	V7 T7
+	V8 T8
+}
+
+func (t Octuple[T1, T2, T3, T4, T5, T6, T7, T8]) TupleLength() int {
+	return 8
+}
+
+func (t Octuple[T1, T2, T3, T4, T5, T6, T7, T8]) TupleValues() []any {
+	return []any{t.V1, t.V2, t.V3, t.V4, t.V5, t.V6, t.V7, t.V8}
+}
+
+// ----------------------------------------------------------------------------
+
+type Nonuple[T1 any, T2 any, T3 any, T4 any, T5 any, T6 any, T7 any, T8 any, T9 any] struct {
+	V1 T1
+	V2 T2
+	V3 T3
+	V4 T4
+	V5 T5
+	V6 T6
+	V7 T7
+	V8 T8
+	V9 T9
+}
+
+func (t Nonuple[T1, T2, T3, T4, T5, T6, T7, T8, T9]) TupleLength() int {
+	return 9
+}
+
+func (t Nonuple[T1, T2, T3, T4, T5, T6, T7, T8, T9]) TupleValues() []any {
+	return []any{t.V1, t.V2, t.V3, t.V4, t.V5, t.V6, t.V7, t.V8, t.V9}
+}

exerr/builder.go

@@ -322,7 +322,9 @@ func (b *Builder) GinReq(ctx context.Context, g *gin.Context, req *http.Request)
 	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 req.Method != "GET" && req.Body != nil {
+
+		if 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 {
@@ -334,12 +336,26 @@ func (b *Builder) GinReq(ctx context.Context, g *gin.Context, req *http.Request)
 							b.Bytes("gin.body", bin)
 						}
 					} else {
-					b.Str("gin.body", fmt.Sprintf("[[%v bytes]]", len(bin)))
+						b.Str("gin.body", fmt.Sprintf("[[%v bytes | %s]]", len(bin), req.Header.Get("Content-Type")))
 					}
 				}
 			}
 		}
 
+		if req.Header.Get("Content-Type") == "multipart/form-data" || req.Header.Get("Content-Type") == "x-www-form-urlencoded" {
+			if brc, ok := req.Body.(dataext.BufferedReadCloser); ok {
+				if bin, err := brc.BufferedAll(); err == nil {
+					if len(bin) < 16*1024 {
+						b.Bytes("gin.body", bin)
+					} else {
+						b.Str("gin.body", fmt.Sprintf("[[%v bytes | %s]]", len(bin), req.Header.Get("Content-Type")))
+					}
+				}
+			}
+		}
+
+	}
+
 	b.containsGinData = true
 	return b
 }

exerr/data.go

@@ -42,6 +42,11 @@ var (
 	TypePanic          = NewType("PANIC", langext.Ptr(500))
 	TypeNotImplemented = NewType("NOT_IMPLEMENTED", langext.Ptr(500))
 
+	TypeMongoQuery        = NewType("MONGO_QUERY", langext.Ptr(500))
+	TypeCursorTokenDecode = NewType("CURSOR_TOKEN_DECODE", langext.Ptr(500))
+	TypeMongoFilter       = NewType("MONGO_FILTER", langext.Ptr(500))
+	TypeMongoReflection   = NewType("MONGO_REFLECTION", langext.Ptr(500))
+
 	TypeWrap = NewType("Wrap", nil)
 
 	TypeBindFailURI      = NewType("BINDFAIL_URI", langext.Ptr(400))
@@ -50,10 +55,12 @@ var (
 	TypeBindFailFormData = NewType("BINDFAIL_FORMDATA", langext.Ptr(400))
 	TypeBindFailHeader   = NewType("BINDFAIL_HEADER", langext.Ptr(400))
 
+	TypeMarshalEntityID = NewType("MARSHAL_ENTITY_ID", langext.Ptr(400))
+
 	TypeUnauthorized = NewType("UNAUTHORIZED", langext.Ptr(401))
 	TypeAuthFailed   = NewType("AUTH_FAILED", langext.Ptr(401))
 
-	// other values come from pkgconfig
+	// other values come the used package
 )
 
 var registeredTypes = dataext.SyncSet[string]{}

exerr/errinit.go

@@ -16,11 +16,11 @@ type ErrorPackageConfig struct {
 }
 
 type ErrorPackageConfigInit struct {
-	ZeroLogErrTraces       bool
+	ZeroLogErrTraces       *bool
-	ZeroLogAllTraces       bool
+	ZeroLogAllTraces       *bool
-	RecursiveErrors        bool
+	RecursiveErrors        *bool
-	ExtendedGinOutput      bool
+	ExtendedGinOutput      *bool
-	IncludeMetaInGinOutput bool
+	IncludeMetaInGinOutput *bool
 	ExtendGinOutput        func(err *ExErr, json map[string]any)
 	ExtendGinDataOutput    func(err *ExErr, depth int, json map[string]any)
 }
@@ -56,11 +56,11 @@ func Init(cfg ErrorPackageConfigInit) {
 	}
 
 	pkgconfig = ErrorPackageConfig{
-		ZeroLogErrTraces:       cfg.ZeroLogErrTraces,
+		ZeroLogErrTraces:       langext.Coalesce(cfg.ZeroLogErrTraces, pkgconfig.ZeroLogErrTraces),
-		ZeroLogAllTraces:       cfg.ZeroLogAllTraces,
+		ZeroLogAllTraces:       langext.Coalesce(cfg.ZeroLogAllTraces, pkgconfig.ZeroLogAllTraces),
-		RecursiveErrors:        cfg.RecursiveErrors,
+		RecursiveErrors:        langext.Coalesce(cfg.RecursiveErrors, pkgconfig.RecursiveErrors),
-		ExtendedGinOutput:      cfg.ExtendedGinOutput,
+		ExtendedGinOutput:      langext.Coalesce(cfg.ExtendedGinOutput, pkgconfig.ExtendedGinOutput),
-		IncludeMetaInGinOutput: cfg.IncludeMetaInGinOutput,
+		IncludeMetaInGinOutput: langext.Coalesce(cfg.IncludeMetaInGinOutput, pkgconfig.IncludeMetaInGinOutput),
 		ExtendGinOutput:        ego,
 		ExtendGinDataOutput:    egdo,
 	}

exerr/meta.go

@@ -612,7 +612,18 @@ func (v MetaValue) rawValueForJson() any {
 		if v.Value.(AnyWrap).IsNil {
 			return nil
 		}
-		return v.Value.(AnyWrap).Serialize()
+		if v.Value.(AnyWrap).IsError {
+			return bson.M{"@error": true}
+		}
+		jsonobj := primitive.M{}
+		jsonarr := primitive.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 {
+			return jsonarr
+		} else {
+			return bson.M{"type": v.Value.(AnyWrap).Type, "data": v.Value.(AnyWrap).Json}
+		}
 	}
 	if v.DataType == MDTID {
 		if v.Value.(IDWrap).IsNil {

ginext/preContext.go

@@ -8,6 +8,7 @@ import (
 	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 	"runtime/debug"
+	"time"
 )
 
 type PreContext struct {
@@ -18,6 +19,7 @@ type PreContext struct {
 	body    any
 	form    any
 	header  any
+	timeout *time.Duration
 }
 
 func (pctx *PreContext) URI(uri any) *PreContext {
@@ -45,6 +47,11 @@ func (pctx *PreContext) Header(header any) *PreContext {
 	return pctx
 }
 
+func (pctx *PreContext) WithTimeout(to time.Duration) *PreContext {
+	pctx.timeout = &to
+	return pctx
+}
+
 func (pctx PreContext) Start() (*AppContext, *gin.Context, *HTTPResponse) {
 	if pctx.uri != nil {
 		if err := pctx.ginCtx.ShouldBindUri(pctx.uri); err != nil {
@@ -109,7 +116,7 @@ func (pctx PreContext) Start() (*AppContext, *gin.Context, *HTTPResponse) {
 	}
 
 	if pctx.header != nil {
-		if err := pctx.ginCtx.ShouldBindHeader(pctx.query); err != nil {
+		if err := pctx.ginCtx.ShouldBindHeader(pctx.header); err != nil {
 			err = exerr.Wrap(err, "Failed to read header").
 				WithType(exerr.TypeBindFailHeader).
 				Str("struct_type", fmt.Sprintf("%T", pctx.query)).
@@ -118,7 +125,7 @@ func (pctx PreContext) Start() (*AppContext, *gin.Context, *HTTPResponse) {
 		}
 	}
 
-	ictx, cancel := context.WithTimeout(context.Background(), pctx.wrapper.requestTimeout)
+	ictx, cancel := context.WithTimeout(context.Background(), langext.Coalesce(pctx.timeout, pctx.wrapper.requestTimeout))
 	actx := CreateAppContext(pctx.ginCtx, ictx, cancel)
 
 	return actx, pctx.ginCtx, nil

go.mod

@@ -8,20 +8,20 @@ require (
 	github.com/rs/xid v1.5.0
 	github.com/rs/zerolog v1.30.0
 	go.mongodb.org/mongo-driver v1.12.1
-	golang.org/x/crypto v0.12.0
+	golang.org/x/crypto v0.13.0
-	golang.org/x/sys v0.11.0
+	golang.org/x/sys v0.12.0
-	golang.org/x/term v0.11.0
+	golang.org/x/term v0.12.0
 )
 
 require (
-	github.com/bytedance/sonic v1.10.0-rc3 // indirect
+	github.com/bytedance/sonic v1.10.1 // indirect
 	github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d // indirect
 	github.com/chenzhuoyu/iasm v0.9.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
 	github.com/gin-contrib/sse v0.1.0 // 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 v10.15.0 // indirect
+	github.com/go-playground/validator/v10 v10.15.4 // indirect
 	github.com/goccy/go-json v0.10.2 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
@@ -33,7 +33,7 @@ require (
 	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/pelletier/go-toml/v2 v2.0.9 // indirect
+	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.11 // indirect
@@ -41,10 +41,10 @@ require (
 	github.com/xdg-go/scram v1.1.2 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20201027041543-1326539a0a0a // indirect
-	golang.org/x/arch v0.4.0 // indirect
+	golang.org/x/arch v0.5.0 // indirect
-	golang.org/x/net v0.14.0 // indirect
+	golang.org/x/net v0.15.0 // indirect
 	golang.org/x/sync v0.3.0 // indirect
-	golang.org/x/text v0.12.0 // indirect
+	golang.org/x/text v0.13.0 // indirect
 	google.golang.org/protobuf v1.31.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -4,6 +4,10 @@ github.com/bytedance/sonic v1.10.0-rc2 h1:oDfRZ+4m6AYCOC0GFeOCeYqvBmucy1isvouS2K
 github.com/bytedance/sonic v1.10.0-rc2/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
 github.com/bytedance/sonic v1.10.0-rc3 h1:uNSnscRapXTwUgTyOF0GVljYD08p9X/Lbr9MweSV3V0=
 github.com/bytedance/sonic v1.10.0-rc3/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
+github.com/bytedance/sonic v1.10.0 h1:qtNZduETEIWJVIyDl01BeNxur2rW9OwTQ/yBqFRkKEk=
+github.com/bytedance/sonic v1.10.0/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
+github.com/bytedance/sonic v1.10.1 h1:7a1wuFXL1cMy7a3f7/VFcEtriuXQnUBhtoVfOZiaysc=
+github.com/bytedance/sonic v1.10.1/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/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
 github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d h1:77cEq6EriyTZ0g/qfRdp61a3Uu/AWrgIq2s0ClJV1g0=
@@ -28,6 +32,12 @@ github.com/go-playground/validator/v10 v10.14.1 h1:9c50NUPC30zyuKprjL3vNZ0m5oG+j
 github.com/go-playground/validator/v10 v10.14.1/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
 github.com/go-playground/validator/v10 v10.15.0 h1:nDU5XeOKtB3GEa+uB7GNYwhVKsgjAR7VgKoNB6ryXfw=
 github.com/go-playground/validator/v10 v10.15.0/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
+github.com/go-playground/validator/v10 v10.15.1 h1:BSe8uhN+xQ4r5guV/ywQI4gO59C2raYcGffYWZEjZzM=
+github.com/go-playground/validator/v10 v10.15.1/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
+github.com/go-playground/validator/v10 v10.15.3 h1:S+sSpunYjNPDuXkWbK+x+bA7iXiW296KG4dL3X7xUZo=
+github.com/go-playground/validator/v10 v10.15.3/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
+github.com/go-playground/validator/v10 v10.15.4 h1:zMXza4EpOdooxPel5xDqXEdXG5r+WggpvnAKMsalBjs=
+github.com/go-playground/validator/v10 v10.15.4/go.mod h1:9iXMNT7sEkjXb0I+enO7QXmzG6QCsPWY4zveKFVRSyU=
 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=
@@ -79,6 +89,8 @@ github.com/montanaflynn/stats v0.7.1 h1:etflOAAHORrCC44V+aR6Ftzort912ZU+YLiSTuV8
 github.com/montanaflynn/stats v0.7.1/go.mod h1:etXPPgVO6n31NxCd9KQUMvCM+ve0ruNzt6R8Bnaayow=
 github.com/pelletier/go-toml/v2 v2.0.9 h1:uH2qQXheeefCCkuBBSLi7jCiSmj3VRh2+Goq2N7Xxu0=
 github.com/pelletier/go-toml/v2 v2.0.9/go.mod h1:tJU2Z3ZkXwnxa4DPO899bsyIoywizdUvyaeZurnPPDc=
+github.com/pelletier/go-toml/v2 v2.1.0 h1:FnwAJ4oYMvbT/34k9zzHuZNrhlz48GB3/s6at6/MHO4=
+github.com/pelletier/go-toml/v2 v2.1.0/go.mod h1:tJU2Z3ZkXwnxa4DPO899bsyIoywizdUvyaeZurnPPDc=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
@@ -131,6 +143,8 @@ go.mongodb.org/mongo-driver v1.12.1/go.mod h1:/rGBTebI3XYboVmgz+Wv3Bcbl3aD0QF9zl
 golang.org/x/arch v0.0.0-20210923205945-b76863e36670/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/arch v0.4.0 h1:A8WCeEWhLwPBKNbFi5Wv5UTCBx5zzubnXDlMOFAzFMc=
 golang.org/x/arch v0.4.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
+golang.org/x/arch v0.5.0 h1:jpGode6huXQxcskEIpOCvrU+tzo81b6+oFLUYXWtH/Y=
+golang.org/x/arch v0.5.0/go.mod h1:5om86z9Hs0C8fWVUuoMHwpExlXzs5Tkyp9hOrfG7pp8=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200302210943-78000ba7a073/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
@@ -141,6 +155,8 @@ golang.org/x/crypto v0.11.0 h1:6Ewdq3tDic1mg5xRO4milcWCfMVQhI4NkqWWvqejpuA=
 golang.org/x/crypto v0.11.0/go.mod h1:xgJhtzW8F9jGdVFWZESrid1U1bjeNy4zgy5cRr/CIio=
 golang.org/x/crypto v0.12.0 h1:tFM/ta59kqch6LlvYnPa0yx5a83cL2nHflFhYKvv9Yk=
 golang.org/x/crypto v0.12.0/go.mod h1:NF0Gs7EO5K4qLn+Ylc+fih8BSTeIjAP05siRnAh98yw=
+golang.org/x/crypto v0.13.0 h1:mvySKfSWJ+UKUii46M40LOvyWfN0s2U+46/jDd0e6Ck=
+golang.org/x/crypto v0.13.0/go.mod h1:y6Z2r+Rw4iayiXXAIxJIDAJ1zMW4yaTpebo8fPOliYc=
 golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -153,6 +169,8 @@ golang.org/x/net v0.13.0 h1:Nvo8UFsZ8X3BhAC9699Z1j7XQ3rsZnUUm7jfBEk1ueY=
 golang.org/x/net v0.13.0/go.mod h1:zEVYFnQC7m/vmpQFELhcD1EWkZlX69l4oqgmer6hfKA=
 golang.org/x/net v0.14.0 h1:BONx9s002vGdD9umnlX1Po8vOZmrgH34qlHcD1MfK14=
 golang.org/x/net v0.14.0/go.mod h1:PpSgVXXLK0OxS0F31C1/tv6XNguvCrnXIDrFMspZIUI=
+golang.org/x/net v0.15.0 h1:ugBLEUaxABaB5AJqW9enI0ACdci2RUd4eP51NTBvuJ8=
+golang.org/x/net v0.15.0/go.mod h1:idbUs1IY1+zTqbi8yxTbhexhEEk5ur9LInksu6HrEpk=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c h1:5KslGYwFpkhGh+Q16bwMP3cOontH8FOep7tGV86Y7SQ=
 golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -180,6 +198,8 @@ 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/sys v0.11.0 h1:eG7RXZHdqOJ1i+0lgLgCpSXAp6M3LYlAo6osgSi0xOM=
 golang.org/x/sys v0.11.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.12.0 h1:CM0HF96J0hcLAwsHPJZjfdNzs0gftsLfgKt57wWHJ0o=
+golang.org/x/sys v0.12.0/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=
@@ -190,6 +210,8 @@ 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/term v0.11.0 h1:F9tnn/DA/Im8nCwm+fX+1/eBwi4qFjRT++MhtVC4ZX0=
 golang.org/x/term v0.11.0/go.mod h1:zC9APTIj3jG3FdV/Ons+XE1riIZXG4aZ4GTHiPZJPIU=
+golang.org/x/term v0.12.0 h1:/ZfYdc3zq+q02Rv9vGqTeSItdzZTSNDmfTi0mBAuidU=
+golang.org/x/term v0.12.0/go.mod h1:owVbMEjm3cBLCHdkQu9b1opXd4ETQWc3BhuQGKgXgvU=
 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 v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@@ -202,6 +224,8 @@ 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/text v0.12.0 h1:k+n5B8goJNdU7hSvEtMUz3d1Q6D/XW4COJSJR6fN0mc=
 golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
+golang.org/x/text v0.13.0 h1:ablQoSUd0tRdKxZewP80B+BaqeKJuVhuRxj/dkrun3k=
+golang.org/x/text v0.13.0/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=

goextVersion.go

@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.238"
+const GoextVersion = "0.0.263"
 
-const GoextVersionTimestamp = "2023-08-09T19:51:41+0200"
+const GoextVersionTimestamp = "2023-09-18T10:43:29+0200"

langext/array.go

@@ -400,7 +400,7 @@ func ArrCastErr[T1 any, T2 any](arr []T1) ([]T2, error) {
 		if vcast, ok := any(v).(T2); ok {
 			r[i] = vcast
 		} else {
-			return nil, errors.New(fmt.Sprintf("Cannot cast element %d of type %T to type %s", i, v, *new(T2)))
+			return nil, errors.New(fmt.Sprintf("Cannot cast element %d of type %T to type %v", i, v, *new(T2)))
 		}
 	}
 	return r, nil
@@ -412,7 +412,7 @@ func ArrCastPanic[T1 any, T2 any](arr []T1) []T2 {
 		if vcast, ok := any(v).(T2); ok {
 			r[i] = vcast
 		} else {
-			panic(fmt.Sprintf("Cannot cast element %d of type %T to type %s", i, v, *new(T2)))
+			panic(fmt.Sprintf("Cannot cast element %d of type %T to type %v", i, v, *new(T2)))
 		}
 	}
 	return r
@@ -467,3 +467,15 @@ func ArrayToInterface[T any](t []T) []interface{} {
 	}
 	return res
 }
+
+func JoinString(arr []string, delimiter string) string {
+	str := ""
+	for i, v := range arr {
+		str += v
+		if i < len(arr)-1 {
+			str += delimiter
+		}
+	}
+
+	return str
+}

langext/array_test.go

@@ -0,0 +1,12 @@
+package langext
+
+import (
+	"gogs.mikescher.com/BlackForestBytes/goext/tst"
+	"testing"
+)
+
+func TestJoinString(t *testing.T) {
+	ids := []string{"1", "2", "3"}
+	res := JoinString(ids, ",")
+	tst.AssertEqual(t, res, "1,2,3")
+}

langext/base58_test.go

@@ -1,6 +1,7 @@
 package langext
 
 import (
+	"gogs.mikescher.com/BlackForestBytes/goext/tst"
 	"testing"
 )
 
@@ -59,9 +60,3 @@ func TestBase58FlickrDecoding(t *testing.T) {
 	tst.AssertEqual(t, _decStr(t, Base58FlickrEncoding, "9aJCVZR"), "Hello")
 	tst.AssertEqual(t, _decStr(t, Base58FlickrEncoding, "48638rmBiUzG5NKQoX4KcuE5C8paCFACnE28F7qDx13PRtennAmYSSJQ5gJSRihf5ZDyEQS4UimtihR7uARt4wbty2fW9duTQTM9n1DwUBevreyzGwu6W4YSgrvQgCPDxsiE1mCdZsF8VEBpuHHEiJyw"), "If debugging is the process of removing software bugs, then programming must be the process of putting them in.")
 }
-
-func tst.AssertEqual(t *testing.T, actual string, expected string) {
-	if actual != expected {
-		t.Errorf("values differ: Actual: '%v', Expected: '%v'", actual, expected)
-	}
-}

rext/wrapper.go

@@ -13,6 +13,7 @@ type Regex interface {
 	ReplaceAllFunc(haystack string, repl func(string) string) string
 	RemoveAll(haystack string) string
 	GroupCount() int
+	String() string
 }
 
 type regexWrapper struct {
@@ -42,6 +43,7 @@ func W(rex *regexp.Regexp) Regex {
 
 // ---------------------------------------------------------------------------------------------------------------------
 
+// IsMatch reports whether the string s contains any match of the regular expression re.
 func (w *regexWrapper) IsMatch(haystack string) bool {
 	return w.rex.MatchString(haystack)
 }
@@ -88,6 +90,11 @@ func (w *regexWrapper) GroupCount() int {
 	return len(w.subnames) - 1
 }
 
+// String returns the source text used to compile the regular expression.
+func (w *regexWrapper) String() string {
+	return w.rex.String()
+}
+
 // ---------------------------------------------------------------------------------------------------------------------
 
 func (m RegexMatch) FullMatch() RegexMatchGroup {

rfctime/rfc3339.go

@@ -69,7 +69,7 @@ func (t *RFC3339Time) UnmarshalText(data []byte) error {
 }
 
 func (t *RFC3339Time) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
-	if bt == bsontype.Null {
+	if 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
@@ -77,7 +77,7 @@ func (t *RFC3339Time) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
 		*t = RFC3339Time{}
 		return nil
 	}
-	if bt != bsontype.DateTime {
+	if bt != bson.TypeDateTime {
 		return errors.New(fmt.Sprintf("cannot unmarshal %v into RFC3339Time", bt))
 	}
 	var tt time.Time

rfctime/rfc3339Nano.go

@@ -69,7 +69,7 @@ func (t *RFC3339NanoTime) UnmarshalText(data []byte) error {
 }
 
 func (t *RFC3339NanoTime) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
-	if bt == bsontype.Null {
+	if 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
@@ -77,7 +77,7 @@ func (t *RFC3339NanoTime) UnmarshalBSONValue(bt bsontype.Type, data []byte) erro
 		*t = RFC3339NanoTime{}
 		return nil
 	}
-	if bt != bsontype.DateTime {
+	if bt != bson.TypeDateTime {
 		return errors.New(fmt.Sprintf("cannot unmarshal %v into RFC3339NanoTime", bt))
 	}
 	var tt time.Time

rfctime/rfc3339Nano_test.go

@@ -2,6 +2,7 @@ package rfctime
 
 import (
 	"encoding/json"
+	"gogs.mikescher.com/BlackForestBytes/goext/timeext"
 	"gogs.mikescher.com/BlackForestBytes/goext/tst"
 	"testing"
 	"time"
@@ -13,7 +14,7 @@ func TestRoundtrip(t *testing.T) {
 		Value RFC3339NanoTime `json:"v"`
 	}
 
-	val1 := NewRFC3339Nano(time.Unix(0, 1675951556820915171))
+	val1 := NewRFC3339Nano(time.Unix(0, 1675951556820915171).In(timeext.TimezoneBerlin))
 	w1 := Wrap{val1}
 
 	jstr1, err := json.Marshal(w1)

termext/termcolor_test.go

@@ -1,6 +1,7 @@
 package termext
 
 import (
+	"gogs.mikescher.com/BlackForestBytes/goext/tst"
 	"math/rand"
 	"testing"
 )
@@ -32,9 +33,3 @@ func TestColor(t *testing.T) {
 	tst.AssertEqual(t, CleanString(Gray("test")), "test")
 	tst.AssertEqual(t, CleanString(White("test")), "test")
 }
-
-func tst.AssertEqual(t *testing.T, actual string, expected string) {
-	if actual != expected {
-		t.Errorf("values differ: Actual: '%v', Expected: '%v'", actual, expected)
-	}
-}

timeext/parser_test.go

@@ -7,56 +7,56 @@ import (
 
 func TestParseDurationShortString(t *testing.T) {
 
-	tst.AssertPDSSEqual(t, FromSeconds(1), "1s")
+	assertPDSSEqual(t, FromSeconds(1), "1s")
-	tst.AssertPDSSEqual(t, FromSeconds(1), "1sec")
+	assertPDSSEqual(t, FromSeconds(1), "1sec")
-	tst.AssertPDSSEqual(t, FromSeconds(1), "1second")
+	assertPDSSEqual(t, FromSeconds(1), "1second")
-	tst.AssertPDSSEqual(t, FromSeconds(1), "1seconds")
+	assertPDSSEqual(t, FromSeconds(1), "1seconds")
-	tst.AssertPDSSEqual(t, FromSeconds(100), "100second")
+	assertPDSSEqual(t, FromSeconds(100), "100second")
-	tst.AssertPDSSEqual(t, FromSeconds(100), "100seconds")
+	assertPDSSEqual(t, FromSeconds(100), "100seconds")
-	tst.AssertPDSSEqual(t, FromSeconds(1883639.77), "1883639.77second")
+	assertPDSSEqual(t, FromSeconds(1883639.77), "1883639.77second")
-	tst.AssertPDSSEqual(t, FromSeconds(1883639.77), "1883639.77seconds")
+	assertPDSSEqual(t, FromSeconds(1883639.77), "1883639.77seconds")
-	tst.AssertPDSSEqual(t, FromSeconds(50), "50s")
+	assertPDSSEqual(t, FromSeconds(50), "50s")
-	tst.AssertPDSSEqual(t, FromSeconds(50), "50sec")
+	assertPDSSEqual(t, FromSeconds(50), "50sec")
-	tst.AssertPDSSEqual(t, FromSeconds(1), "1second")
+	assertPDSSEqual(t, FromSeconds(1), "1second")
-	tst.AssertPDSSEqual(t, FromSeconds(50), "50seconds")
+	assertPDSSEqual(t, FromSeconds(50), "50seconds")
 
-	tst.AssertPDSSEqual(t, FromMinutes(10), "10m")
+	assertPDSSEqual(t, FromMinutes(10), "10m")
-	tst.AssertPDSSEqual(t, FromMinutes(10), "10min")
+	assertPDSSEqual(t, FromMinutes(10), "10min")
-	tst.AssertPDSSEqual(t, FromMinutes(1), "1minute")
+	assertPDSSEqual(t, FromMinutes(1), "1minute")
-	tst.AssertPDSSEqual(t, FromMinutes(10), "10minutes")
+	assertPDSSEqual(t, FromMinutes(10), "10minutes")
-	tst.AssertPDSSEqual(t, FromMinutes(10.5), "10.5minutes")
+	assertPDSSEqual(t, FromMinutes(10.5), "10.5minutes")
 
-	tst.AssertPDSSEqual(t, FromMilliseconds(100), "100ms")
+	assertPDSSEqual(t, FromMilliseconds(100), "100ms")
-	tst.AssertPDSSEqual(t, FromMilliseconds(100), "100milliseconds")
+	assertPDSSEqual(t, FromMilliseconds(100), "100milliseconds")
-	tst.AssertPDSSEqual(t, FromMilliseconds(100), "100millisecond")
+	assertPDSSEqual(t, FromMilliseconds(100), "100millisecond")
 
-	tst.AssertPDSSEqual(t, FromNanoseconds(99235), "99235ns")
+	assertPDSSEqual(t, FromNanoseconds(99235), "99235ns")
-	tst.AssertPDSSEqual(t, FromNanoseconds(99235), "99235nanoseconds")
+	assertPDSSEqual(t, FromNanoseconds(99235), "99235nanoseconds")
-	tst.AssertPDSSEqual(t, FromNanoseconds(99235), "99235nanosecond")
+	assertPDSSEqual(t, FromNanoseconds(99235), "99235nanosecond")
 
-	tst.AssertPDSSEqual(t, FromMicroseconds(99235), "99235us")
+	assertPDSSEqual(t, FromMicroseconds(99235), "99235us")
-	tst.AssertPDSSEqual(t, FromMicroseconds(99235), "99235microseconds")
+	assertPDSSEqual(t, FromMicroseconds(99235), "99235microseconds")
-	tst.AssertPDSSEqual(t, FromMicroseconds(99235), "99235microsecond")
+	assertPDSSEqual(t, FromMicroseconds(99235), "99235microsecond")
 
-	tst.AssertPDSSEqual(t, FromHours(1), "1h")
+	assertPDSSEqual(t, FromHours(1), "1h")
-	tst.AssertPDSSEqual(t, FromHours(1), "1hour")
+	assertPDSSEqual(t, FromHours(1), "1hour")
-	tst.AssertPDSSEqual(t, FromHours(2), "2hours")
+	assertPDSSEqual(t, FromHours(2), "2hours")
 
-	tst.AssertPDSSEqual(t, FromDays(1), "1d")
+	assertPDSSEqual(t, FromDays(1), "1d")
-	tst.AssertPDSSEqual(t, FromDays(1), "1day")
+	assertPDSSEqual(t, FromDays(1), "1day")
-	tst.AssertPDSSEqual(t, FromDays(10), "10days")
+	assertPDSSEqual(t, FromDays(10), "10days")
-	tst.AssertPDSSEqual(t, FromDays(1), "1days")
+	assertPDSSEqual(t, FromDays(1), "1days")
-	tst.AssertPDSSEqual(t, FromDays(10), "10day")
+	assertPDSSEqual(t, FromDays(10), "10day")
 
-	tst.AssertPDSSEqual(t, FromDays(1)+FromMinutes(10), "1d10m")
+	assertPDSSEqual(t, FromDays(1)+FromMinutes(10), "1d10m")
-	tst.AssertPDSSEqual(t, FromDays(1)+FromMinutes(10)+FromSeconds(200), "1d10m200sec")
+	assertPDSSEqual(t, FromDays(1)+FromMinutes(10)+FromSeconds(200), "1d10m200sec")
-	tst.AssertPDSSEqual(t, FromDays(1)+FromMinutes(10), "1d:10m")
+	assertPDSSEqual(t, FromDays(1)+FromMinutes(10), "1d:10m")
-	tst.AssertPDSSEqual(t, FromDays(1)+FromMinutes(10), "1d 10m")
+	assertPDSSEqual(t, FromDays(1)+FromMinutes(10), "1d 10m")
-	tst.AssertPDSSEqual(t, FromDays(1)+FromMinutes(10), "1d,10m")
+	assertPDSSEqual(t, FromDays(1)+FromMinutes(10), "1d,10m")
-	tst.AssertPDSSEqual(t, FromDays(1)+FromMinutes(10), "1d, 10m")
+	assertPDSSEqual(t, FromDays(1)+FromMinutes(10), "1d, 10m")
-	tst.AssertPDSSEqual(t, FromDays(1)+FromSeconds(1000), "1d   1000seconds")
+	assertPDSSEqual(t, FromDays(1)+FromSeconds(1000), "1d   1000seconds")
 
-	tst.AssertPDSSEqual(t, FromDays(1), "86400s")
+	assertPDSSEqual(t, FromDays(1), "86400s")
 }
 
 func assertPDSSEqual(t *testing.T, expected time.Duration, fmt string) {

timeext/time.go

@@ -22,6 +22,17 @@ func TimeToDatePart(t time.Time, tz *time.Location) time.Time {
 	return time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, t.Location())
 }
 
+// TimeToDayStart returns a timestamp at the start of the day which contains t (= 00:00:00)
+func TimeToDayStart(t time.Time, tz *time.Location) time.Time {
+	t = t.In(tz)
+	return time.Date(t.Year(), t.Month(), t.Day(), 0, 0, 0, 0, t.Location())
+}
+
+// TimeToDayEnd returns a timestamp at the end of the day which contains t (= 23:59:59)
+func TimeToDayEnd(t time.Time, tz *time.Location) time.Time {
+	return TimeToDayStart(t, tz).AddDate(0, 0, 1).Add(-1)
+}
+
 // TimeToWeekStart returns a timestamp at the start of the week which contains t (= Monday 00:00:00)
 func TimeToWeekStart(t time.Time, tz *time.Location) time.Time {
 	t = TimeToDatePart(t, tz)

wmo/collection.go

@@ -5,6 +5,7 @@ import (
 	"go.mongodb.org/mongo-driver/bson/bsontype"
 	"go.mongodb.org/mongo-driver/mongo"
 	ct "gogs.mikescher.com/BlackForestBytes/goext/cursortoken"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 	"reflect"
 )
@@ -66,21 +67,25 @@ func (c *Coll[TData]) Indexes() mongo.IndexView {
 }
 
 func (c *Coll[TData]) Drop(ctx context.Context) error {
-	return c.coll.Drop(ctx)
+	err := c.coll.Drop(ctx)
+	if err != nil {
+		return exerr.Wrap(err, "failed to drop collection").Str("collection", c.Name()).Build()
+	}
+	return nil
 }
 
 func (c *Coll[TData]) createToken(fieldPrimary string, dirPrimary ct.SortDirection, fieldSecondary *string, dirSecondary *ct.SortDirection, lastEntity TData, pageSize *int) (ct.CursorToken, error) {
 
 	valuePrimary, err := c.getFieldValueAsTokenString(lastEntity, fieldPrimary)
 	if err != nil {
-		return ct.CursorToken{}, err
+		return ct.CursorToken{}, exerr.Wrap(err, "failed to get (primary) field-value as token-string").Type("lastEntity", lastEntity).Str("fieldPrimary", fieldPrimary).Build()
 	}
 
 	valueSeconary := ""
 	if fieldSecondary != nil && dirSecondary != nil {
 		valueSeconary, err = c.getFieldValueAsTokenString(lastEntity, *fieldSecondary)
 		if err != nil {
-			return ct.CursorToken{}, err
+			return ct.CursorToken{}, exerr.Wrap(err, "failed to get (secondary) field-value as token-string").Type("lastEntity", lastEntity).StrPtr("fieldSecondary", fieldSecondary).Build()
 		}
 	}
 

wmo/decoding.go

@@ -2,12 +2,17 @@ package wmo
 
 import (
 	"context"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 )
 
 func (c *Coll[TData]) decodeSingle(ctx context.Context, dec Decodable) (TData, error) {
 	if c.customDecoder != nil {
 
-		return (*c.customDecoder)(ctx, dec)
+		res, err := (*c.customDecoder)(ctx, dec)
+		if err != nil {
+			return *new(TData), exerr.Wrap(err, "failed to decode single entity with custom-decoder").Type("decoder", *c.customDecoder).Build()
+		}
+		return res, nil
 
 	} else {
 
@@ -15,7 +20,7 @@ func (c *Coll[TData]) decodeSingle(ctx context.Context, dec Decodable) (TData, e
 
 		err := dec.Decode(&res)
 		if err != nil {
-			return *new(TData), err
+			return *new(TData), exerr.Wrap(err, "failed to decode single entity").Type("target-type", res).Build()
 		}
 
 		return res, nil
@@ -31,7 +36,7 @@ func (c *Coll[TData]) decodeAll(ctx context.Context, cursor Cursorable) ([]TData
 		for cursor.Next(ctx) {
 			entry, err := (*c.customDecoder)(ctx, cursor)
 			if err != nil {
-				return nil, err
+				return nil, exerr.Wrap(err, "failed to decode entity with custom-decoder").Type("decoder", *c.customDecoder).Build()
 			}
 			res = append(res, entry)
 		}
@@ -44,7 +49,7 @@ func (c *Coll[TData]) decodeAll(ctx context.Context, cursor Cursorable) ([]TData
 
 		err := cursor.All(ctx, &res)
 		if err != nil {
-			return nil, err
+			return nil, exerr.Wrap(err, "failed to batch-decode entity").Type("target-type", res).Build()
 		}
 
 		return res, nil

wmo/pagination.go

@@ -1,9 +1,9 @@
 package wmo
 
 import (
-	"errors"
 	"go.mongodb.org/mongo-driver/bson"
 	ct "gogs.mikescher.com/BlackForestBytes/goext/cursortoken"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 )
 
 func CreatePagination[TData any](coll *Coll[TData], token ct.CursorToken, fieldPrimary string, sortPrimary ct.SortDirection, fieldSecondary *string, sortSecondary *ct.SortDirection, pageSize *int) ([]bson.D, error) {
@@ -13,7 +13,7 @@ func CreatePagination[TData any](coll *Coll[TData], token ct.CursorToken, fieldP
 
 	valuePrimary, err := coll.getTokenValueAsMongoType(token.ValuePrimary, fieldPrimary)
 	if err != nil {
-		return nil, err
+		return nil, exerr.Wrap(err, "failed to get (primary) token-value as mongo-type").Build()
 	}
 
 	if sortPrimary == ct.SortASC {
@@ -30,7 +30,7 @@ func CreatePagination[TData any](coll *Coll[TData], token ct.CursorToken, fieldP
 
 		valueSecondary, err := coll.getTokenValueAsMongoType(token.ValueSecondary, *fieldSecondary)
 		if err != nil {
-			return nil, err
+			return nil, exerr.Wrap(err, "failed to get (secondary) token-value as mongo-type").Build()
 		}
 
 		if *sortSecondary == ct.SortASC {
@@ -73,7 +73,7 @@ func CreatePagination[TData any](coll *Coll[TData], token ct.CursorToken, fieldP
 
 	} else {
 
-		return nil, errors.New("unknown ct mode: " + string(token.Mode))
+		return nil, exerr.New(exerr.TypeInternal, "unknown ct mode: "+string(token.Mode)).Any("token.Mode", token.Mode).Build()
 
 	}
 

wmo/queryAggregate.go

@@ -2,20 +2,20 @@ package wmo
 
 import (
 	"context"
-	"errors"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 )
 
 func (c *Coll[TData]) Aggregate(ctx context.Context, pipeline mongo.Pipeline, opts ...*options.AggregateOptions) ([]TData, error) {
 	cursor, err := c.coll.Aggregate(ctx, pipeline, opts...)
 	if err != nil {
-		return nil, err
+		return nil, exerr.Wrap(err, "mongo-aggregation failed").Any("pipeline", pipeline).Any("options", opts).Str("collection", c.Name()).Build()
 	}
 
 	res, err := c.decodeAll(ctx, cursor)
 	if err != nil {
-		return nil, err
+		return nil, exerr.Wrap(err, "failed to decode values").Build()
 	}
 
 	return res, nil
@@ -24,13 +24,13 @@ func (c *Coll[TData]) Aggregate(ctx context.Context, pipeline mongo.Pipeline, op
 func (c *Coll[TData]) AggregateOneOpt(ctx context.Context, pipeline mongo.Pipeline, opts ...*options.AggregateOptions) (*TData, error) {
 	cursor, err := c.coll.Aggregate(ctx, pipeline, opts...)
 	if err != nil {
-		return nil, err
+		return nil, exerr.Wrap(err, "mongo-aggregation failed").Any("pipeline", pipeline).Any("options", opts).Str("collection", c.Name()).Build()
 	}
 
 	if cursor.Next(ctx) {
 		v, err := c.decodeSingle(ctx, cursor)
 		if err != nil {
-			return nil, err
+			return nil, exerr.Wrap(err, "failed to decode single value").Build()
 		}
 		return &v, nil
 	}
@@ -41,16 +41,16 @@ func (c *Coll[TData]) AggregateOneOpt(ctx context.Context, pipeline mongo.Pipeli
 func (c *Coll[TData]) AggregateOne(ctx context.Context, pipeline mongo.Pipeline, opts ...*options.AggregateOptions) (TData, error) {
 	cursor, err := c.coll.Aggregate(ctx, pipeline, opts...)
 	if err != nil {
-		return *new(TData), err
+		return *new(TData), exerr.Wrap(err, "mongo-aggregation failed").Any("pipeline", pipeline).Any("options", opts).Str("collection", c.Name()).Build()
 	}
 
 	if cursor.Next(ctx) {
 		v, err := c.decodeSingle(ctx, cursor)
 		if err != nil {
-			return *new(TData), err
+			return *new(TData), exerr.Wrap(err, "failed to decode single value").Build()
 		}
 		return v, nil
 	}
 
-	return *new(TData), errors.New("no document in result")
+	return *new(TData), exerr.Wrap(mongo.ErrNoDocuments, "no document in result").Build()
 }

wmo/queryDelete.go

@@ -4,12 +4,13 @@ import (
 	"context"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 )
 
 func (c *Coll[TData]) DeleteOneByID(ctx context.Context, id EntityID) error {
 	_, err := c.coll.DeleteOne(ctx, bson.M{"_id": id})
 	if err != nil {
-		return err
+		return exerr.Wrap(err, "mongo-query[delete-one-by-id] failed").Id("id", id).Str("collection", c.Name()).Build()
 	}
 
 	return nil
@@ -18,7 +19,7 @@ func (c *Coll[TData]) DeleteOneByID(ctx context.Context, id EntityID) error {
 func (c *Coll[TData]) DeleteOne(ctx context.Context, filterQuery bson.M) error {
 	_, err := c.coll.DeleteOne(ctx, filterQuery)
 	if err != nil {
-		return err
+		return exerr.Wrap(err, "mongo-query[delete-one] failed").Any("filterQuery", filterQuery).Str("collection", c.Name()).Build()
 	}
 
 	return nil
@@ -27,7 +28,7 @@ func (c *Coll[TData]) DeleteOne(ctx context.Context, filterQuery bson.M) error {
 func (c *Coll[TData]) DeleteMany(ctx context.Context, filterQuery bson.M) (*mongo.DeleteResult, error) {
 	res, err := c.coll.DeleteMany(ctx, filterQuery)
 	if err != nil {
-		return nil, err
+		return nil, exerr.Wrap(err, "mongo-query[delete-many] failed").Any("filterQuery", filterQuery).Str("collection", c.Name()).Build()
 	}
 
 	return res, nil

wmo/queryFind.go

@@ -2,13 +2,21 @@ package wmo
 
 import (
 	"context"
+	"errors"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 )
 
 func (c *Coll[TData]) FindOne(ctx context.Context, filter bson.M) (TData, error) {
 	mongoRes := c.coll.FindOne(ctx, filter)
+	if err := mongoRes.Err(); err != nil {
+		return *new(TData), exerr.Wrap(err, "mongo-query[find-one] failed").
+			Str("collection", c.Name()).
+			Any("filter", filter).
+			Build()
+	}
 
 	return c.decodeSingle(ctx, mongoRes)
 }
@@ -17,11 +25,11 @@ func (c *Coll[TData]) FindOneOpt(ctx context.Context, filter bson.M) (*TData, er
 	mongoRes := c.coll.FindOne(ctx, filter)
 
 	res, err := c.decodeSingle(ctx, mongoRes)
-	if err == mongo.ErrNoDocuments {
+	if errors.Is(err, mongo.ErrNoDocuments) {
 		return nil, nil
 	}
 	if err != nil {
-		return nil, err
+		return nil, exerr.Wrap(err, "mongo-query[find-one-opt] failed").Any("filter", filter).Str("collection", c.Name()).Build()
 	}
 
 	return &res, nil
@@ -29,6 +37,12 @@ func (c *Coll[TData]) FindOneOpt(ctx context.Context, filter bson.M) (*TData, er
 
 func (c *Coll[TData]) FindOneByID(ctx context.Context, id EntityID) (TData, error) {
 	mongoRes := c.coll.FindOne(ctx, bson.M{"_id": id})
+	if err := mongoRes.Err(); err != nil {
+		return *new(TData), exerr.Wrap(err, "mongo-query[find-one-by-id] failed").
+			Str("collection", c.Name()).
+			Id("id", id).
+			Build()
+	}
 
 	return c.decodeSingle(ctx, mongoRes)
 }
@@ -37,11 +51,11 @@ func (c *Coll[TData]) FindOneOptByID(ctx context.Context, id EntityID) (*TData,
 	mongoRes := c.coll.FindOne(ctx, bson.M{"_id": id})
 
 	res, err := c.decodeSingle(ctx, mongoRes)
-	if err == mongo.ErrNoDocuments {
+	if errors.Is(err, mongo.ErrNoDocuments) {
 		return nil, nil
 	}
 	if err != nil {
-		return nil, err
+		return nil, exerr.Wrap(err, "mongo-query[find-one-opt-by-id] failed").Id("id", id).Str("collection", c.Name()).Build()
 	}
 
 	return &res, nil
@@ -50,12 +64,12 @@ func (c *Coll[TData]) FindOneOptByID(ctx context.Context, id EntityID) (*TData,
 func (c *Coll[TData]) Find(ctx context.Context, filter bson.M, opts ...*options.FindOptions) ([]TData, error) {
 	cursor, err := c.coll.Find(ctx, filter, opts...)
 	if err != nil {
-		return nil, err
+		return nil, exerr.Wrap(err, "mongo-query[find-one-opt] failed").Any("filter", filter).Any("opts", opts).Str("collection", c.Name()).Build()
 	}
 
 	res, err := c.decodeAll(ctx, cursor)
 	if err != nil {
-		return nil, err
+		return nil, exerr.Wrap(err, "failed to decode values").Build()
 	}
 
 	return res, nil

wmo/queryInsert.go

@@ -4,13 +4,14 @@ import (
 	"context"
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 )
 
 func (c *Coll[TData]) InsertOne(ctx context.Context, valueIn TData) (TData, error) {
 	insRes, err := c.coll.InsertOne(ctx, valueIn)
 	if err != nil {
-		return *new(TData), err
+		return *new(TData), exerr.Wrap(err, "mongo-query[insert-one] failed").Str("collection", c.Name()).Build()
 	}
 
 	mongoRes := c.coll.FindOne(ctx, bson.M{"_id": insRes.InsertedID})
@@ -19,5 +20,10 @@ func (c *Coll[TData]) InsertOne(ctx context.Context, valueIn TData) (TData, erro
 }
 
 func (c *Coll[TData]) InsertMany(ctx context.Context, valueIn []TData) (*mongo.InsertManyResult, error) {
-	return c.coll.InsertMany(ctx, langext.ArrayToInterface(valueIn))
+	insRes, err := c.coll.InsertMany(ctx, langext.ArrayToInterface(valueIn))
+	if err != nil {
+		return nil, exerr.Wrap(err, "mongo-query[insert-many] failed").Int("len(valueIn)", len(valueIn)).Str("collection", c.Name()).Build()
+	}
+
+	return insRes, nil
 }

wmo/queryList.go

@@ -5,6 +5,7 @@ import (
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
 	ct "gogs.mikescher.com/BlackForestBytes/goext/cursortoken"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 )
 
 func (c *Coll[TData]) List(ctx context.Context, filter ct.Filter, pageSize *int, inTok ct.CursorToken) ([]TData, ct.CursorToken, error) {
@@ -35,21 +36,31 @@ func (c *Coll[TData]) List(ctx context.Context, filter ct.Filter, pageSize *int,
 
 	paginationPipeline, err := CreatePagination(c, inTok, sortPrimary, sortDirPrimary, sortSecondary, sortDirSecondary, pageSize)
 	if err != nil {
-		return nil, ct.CursorToken{}, err
+		return nil, ct.CursorToken{}, exerr.
+			Wrap(err, "failed to create pagination").
+			WithType(exerr.TypeCursorTokenDecode).
+			Str("collection", c.Name()).
+			Any("inTok", inTok).
+			Any("sortPrimary", sortPrimary).
+			Any("sortDirPrimary", sortDirPrimary).
+			Any("sortSecondary", sortSecondary).
+			Any("sortDirSecondary", sortDirSecondary).
+			Any("pageSize", pageSize).
+			Build()
 	}
 
 	pipeline = append(pipeline, paginationPipeline...)
 
 	cursor, err := c.coll.Aggregate(ctx, pipeline)
 	if err != nil {
-		return nil, ct.CursorToken{}, err
+		return nil, ct.CursorToken{}, exerr.Wrap(err, "mongo-aggregation failed").Any("pipeline", pipeline).Str("collection", c.Name()).Build()
 	}
 
 	// fast branch
 	if pageSize == nil {
 		entries, err := c.decodeAll(ctx, cursor)
 		if err != nil {
-			return nil, ct.CursorToken{}, err
+			return nil, ct.CursorToken{}, exerr.Wrap(err, "failed to all-decode entities").Build()
 		}
 		return entries, ct.End(), nil
 	}
@@ -59,7 +70,7 @@ func (c *Coll[TData]) List(ctx context.Context, filter ct.Filter, pageSize *int,
 		var entry TData
 		entry, err = c.decodeSingle(ctx, cursor)
 		if err != nil {
-			return nil, ct.CursorToken{}, err
+			return nil, ct.CursorToken{}, exerr.Wrap(err, "failed to decode entity").Build()
 		}
 		entities = append(entities, entry)
 	}
@@ -74,7 +85,7 @@ func (c *Coll[TData]) List(ctx context.Context, filter ct.Filter, pageSize *int,
 
 	nextToken, err := c.createToken(sortPrimary, sortDirPrimary, sortSecondary, sortDirSecondary, last, pageSize)
 	if err != nil {
-		return nil, ct.CursorToken{}, err
+		return nil, ct.CursorToken{}, exerr.Wrap(err, "failed to create (out)-token").Build()
 	}
 
 	return entities, nextToken, nil
@@ -91,14 +102,14 @@ func (c *Coll[TData]) Count(ctx context.Context, filter ct.Filter) (int64, error
 
 	cursor, err := c.coll.Aggregate(ctx, pipeline)
 	if err != nil {
-		return 0, err
+		return 0, exerr.Wrap(err, "mongo-aggregation failed").Any("pipeline", pipeline).Str("collection", c.Name()).Build()
 	}
 
 	if cursor.Next(ctx) {
 		v := countRes{}
 		err = cursor.Decode(&v)
 		if err != nil {
-			return 0, err
+			return 0, exerr.Wrap(err, "failed to decode entity").Build()
 		}
 		return v.Count, nil
 	}

wmo/queryUpdate.go

@@ -5,10 +5,18 @@ import (
 	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
 	"go.mongodb.org/mongo-driver/mongo/options"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 )
 
 func (c *Coll[TData]) FindOneAndUpdate(ctx context.Context, filterQuery bson.M, updateQuery bson.M) (TData, error) {
 	mongoRes := c.coll.FindOneAndUpdate(ctx, filterQuery, updateQuery, options.FindOneAndUpdate().SetReturnDocument(options.After))
+	if err := mongoRes.Err(); err != nil {
+		return *new(TData), exerr.Wrap(err, "mongo-query[find-one-and-update] failed").
+			Str("collection", c.Name()).
+			Any("filterQuery", filterQuery).
+			Any("updateQuery", updateQuery).
+			Build()
+	}
 
 	return c.decodeSingle(ctx, mongoRes)
 }
@@ -16,7 +24,11 @@ func (c *Coll[TData]) FindOneAndUpdate(ctx context.Context, filterQuery bson.M,
 func (c *Coll[TData]) UpdateOne(ctx context.Context, filterQuery bson.M, updateQuery bson.M) error {
 	_, err := c.coll.UpdateOne(ctx, filterQuery, updateQuery)
 	if err != nil {
-		return err
+		return exerr.Wrap(err, "mongo-query[update-one] failed").
+			Str("collection", c.Name()).
+			Any("filterQuery", filterQuery).
+			Any("updateQuery", updateQuery).
+			Build()
 	}
 
 	return nil
@@ -25,7 +37,11 @@ func (c *Coll[TData]) UpdateOne(ctx context.Context, filterQuery bson.M, updateQ
 func (c *Coll[TData]) UpdateOneByID(ctx context.Context, id EntityID, updateQuery bson.M) error {
 	_, err := c.coll.UpdateOne(ctx, bson.M{"_id": id}, updateQuery)
 	if err != nil {
-		return err
+		return exerr.Wrap(err, "mongo-query[update-one-by-id] failed").
+			Str("collection", c.Name()).
+			Id("id", id).
+			Any("updateQuery", updateQuery).
+			Build()
 	}
 
 	return nil
@@ -34,7 +50,11 @@ func (c *Coll[TData]) UpdateOneByID(ctx context.Context, id EntityID, updateQuer
 func (c *Coll[TData]) UpdateMany(ctx context.Context, filterQuery bson.M, updateQuery bson.M) (*mongo.UpdateResult, error) {
 	res, err := c.coll.UpdateMany(ctx, filterQuery, updateQuery)
 	if err != nil {
-		return nil, err
+		return nil, exerr.Wrap(err, "mongo-query[update-many] failed").
+			Str("collection", c.Name()).
+			Any("filterQuery", filterQuery).
+			Any("updateQuery", updateQuery).
+			Build()
 	}
 
 	return res, nil
@@ -43,7 +63,10 @@ func (c *Coll[TData]) UpdateMany(ctx context.Context, filterQuery bson.M, update
 func (c *Coll[TData]) ReplaceOne(ctx context.Context, filterQuery bson.M, value TData) error {
 	_, err := c.coll.UpdateOne(ctx, filterQuery, bson.M{"$set": value})
 	if err != nil {
-		return err
+		return exerr.Wrap(err, "mongo-query[replace-one] failed").
+			Str("collection", c.Name()).
+			Any("filterQuery", filterQuery).
+			Build()
 	}
 
 	return nil
@@ -51,6 +74,12 @@ func (c *Coll[TData]) ReplaceOne(ctx context.Context, filterQuery bson.M, value
 
 func (c *Coll[TData]) FindOneAndReplace(ctx context.Context, filterQuery bson.M, value TData) (TData, error) {
 	mongoRes := c.coll.FindOneAndUpdate(ctx, filterQuery, bson.M{"$set": value}, options.FindOneAndUpdate().SetReturnDocument(options.After))
+	if err := mongoRes.Err(); err != nil {
+		return *new(TData), exerr.Wrap(err, "mongo-query[find-one-and-update] failed").
+			Str("collection", c.Name()).
+			Any("filterQuery", filterQuery).
+			Build()
+	}
 
 	return c.decodeSingle(ctx, mongoRes)
 }

wmo/reflection.go

@@ -1,7 +1,7 @@
 package wmo
 
 import (
-	"errors"
+	"gogs.mikescher.com/BlackForestBytes/goext/exerr"
 	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 	"gogs.mikescher.com/BlackForestBytes/goext/reflectext"
 	"reflect"
@@ -25,7 +25,7 @@ func (c *Coll[TData]) EnsureInitializedReflection(v TData) {
 
 	m := make(map[string]fullTypeRef)
 
-	c.initFields("", rval, m, make([]int, 0))
+	c.initFields("", rval.Type(), m, make([]int, 0), make([]reflect.Type, 0))
 
 	c.implDataTypeMap[rval.Type()] = m
 }
@@ -50,20 +50,16 @@ func (c *Coll[TData]) init() {
 		c.implDataTypeMap = make(map[reflect.Type]map[string]fullTypeRef)
 
 		v := reflect.ValueOf(example)
-		c.initFields("", v, c.dataTypeMap, make([]int, 0))
+		c.initFields("", v.Type(), c.dataTypeMap, make([]int, 0), make([]reflect.Type, 0))
 
 	}
 
 }
 
-func (c *Coll[TData]) initFields(prefix string, rval reflect.Value, m map[string]fullTypeRef, idxarr []int) {
+func (c *Coll[TData]) initFields(prefix string, rtyp reflect.Type, m map[string]fullTypeRef, idxarr []int, typesInPath []reflect.Type) {
-
-	rtyp := rval.Type()
-
 	for i := 0; i < rtyp.NumField(); i++ {
 
 		rsfield := rtyp.Field(i)
-		rvfield := rval.Field(i)
 
 		if !rsfield.IsExported() {
 			continue
@@ -91,21 +87,21 @@ func (c *Coll[TData]) initFields(prefix string, rval reflect.Value, m map[string
 		newIdxArr := langext.ArrCopy(idxarr)
 		newIdxArr = append(newIdxArr, i)
 
-		if langext.InArray("inline", bsontags) && rvfield.Kind() == reflect.Struct {
+		if langext.InArray("inline", bsontags) && rsfield.Type.Kind() == reflect.Struct {
 
 			// pass-through field
-			c.initFields(prefix, rvfield, m, newIdxArr)
+			c.initFields(prefix, rsfield.Type, m, newIdxArr, typesInPath)
 
 		} else {
 
-			if rvfield.Type().Kind() == reflect.Pointer {
+			if rsfield.Type.Kind() == reflect.Pointer {
 
 				m[fullKey] = fullTypeRef{
 					IsPointer:      true,
-					RealType:       rvfield.Type(),
+					RealType:       rsfield.Type,
-					Kind:           rvfield.Type().Elem().Kind(),
+					Kind:           rsfield.Type.Elem().Kind(),
-					Type:           rvfield.Type().Elem(),
+					Type:           rsfield.Type.Elem(),
-					UnderlyingType: reflectext.Underlying(rvfield.Type().Elem()),
+					UnderlyingType: reflectext.Underlying(rsfield.Type.Elem()),
 					Name:           rsfield.Name,
 					Index:          newIdxArr,
 				}
@@ -114,20 +110,37 @@ func (c *Coll[TData]) initFields(prefix string, rval reflect.Value, m map[string
 
 				m[fullKey] = fullTypeRef{
 					IsPointer:      false,
-					RealType:       rvfield.Type(),
+					RealType:       rsfield.Type,
-					Kind:           rvfield.Type().Kind(),
+					Kind:           rsfield.Type.Kind(),
-					Type:           rvfield.Type(),
+					Type:           rsfield.Type,
-					UnderlyingType: reflectext.Underlying(rvfield.Type()),
+					UnderlyingType: reflectext.Underlying(rsfield.Type),
 					Name:           rsfield.Name,
 					Index:          newIdxArr,
 				}
 
 			}
 
-			if rvfield.Kind() == reflect.Struct {
+			if rsfield.Type.Kind() == reflect.Struct {
-				c.initFields(fullKey+".", rvfield, m, newIdxArr)
+				c.initFields(fullKey+".", rsfield.Type, m, newIdxArr, typesInPath)
 			}
 
+			if rsfield.Type.Kind() == reflect.Pointer && rsfield.Type.Elem().Kind() == reflect.Struct {
+				innerType := rsfield.Type.Elem()
+
+				// check if there is recursion
+				recursion := false
+				for _, typ := range typesInPath {
+					recursion = recursion || (typ == innerType)
+				}
+
+				if !recursion {
+					// Store all seen types before that deref a pointer to prevent endless recursion
+					newTypesInPath := make([]reflect.Type, len(typesInPath))
+					copy(newTypesInPath, typesInPath)
+					newTypesInPath = append(newTypesInPath, rtyp)
+					c.initFields(fullKey+".", innerType, m, newIdxArr, newTypesInPath)
+				}
+			}
 		}
 
 	}
@@ -138,7 +151,7 @@ func (c *Coll[TData]) getTokenValueAsMongoType(value string, fieldName string) (
 
 	fref, err := c.getFieldType(fieldName)
 	if err != nil {
-		return nil, err
+		return nil, exerr.Wrap(err, "failed to get-field-type").Str("fieldName", fieldName).Build()
 	}
 
 	pss := reflectext.PrimitiveStringSerializer{}
@@ -151,7 +164,7 @@ func (c *Coll[TData]) getFieldValueAsTokenString(entity TData, fieldName string)
 
 	realValue, err := c.getFieldValue(entity, fieldName)
 	if err != nil {
-		return "", err
+		return "", exerr.Wrap(err, "failed to get-field-value").Str("fieldName", fieldName).Build()
 	}
 
 	pss := reflectext.PrimitiveStringSerializer{}
@@ -169,14 +182,14 @@ func (c *Coll[TData]) getFieldType(fieldName string) (fullTypeRef, error) {
 			}
 		}
 
-		return fullTypeRef{}, errors.New("unknown field: '" + fieldName + "' (in any impl)")
+		return fullTypeRef{}, exerr.New(exerr.TypeMongoReflection, "unknown field: '"+fieldName+"' (in any impl)").Str("fieldName", fieldName).Build()
 
 	} else {
 
 		if r, ok := c.dataTypeMap[fieldName]; ok {
 			return r, nil
 		} else {
-			return fullTypeRef{}, errors.New("unknown field: '" + fieldName + "'")
+			return fullTypeRef{}, exerr.New(exerr.TypeMongoReflection, "unknown field: '"+fieldName+"'").Str("fieldName", fieldName).Build()
 		}
 
 	}
@@ -196,10 +209,10 @@ func (c *Coll[TData]) getFieldValue(data TData, fieldName string) (any, error) {
 				rval := reflect.ValueOf(data)
 				return rval.FieldByIndex(fref.Index).Interface(), nil
 			} else {
-				return nil, errors.New("unknown bson field '" + fieldName + "' in type '" + rval.Type().String() + "'")
+				return nil, exerr.New(exerr.TypeMongoReflection, "unknown bson field '"+fieldName+"' in type '"+rval.Type().String()+"'").Str("fieldName", fieldName).Type("rval", rval).Build()
 			}
 		} else {
-			return nil, errors.New("unknown TData type: '" + rval.Type().String() + "'")
+			return nil, exerr.New(exerr.TypeMongoReflection, "unknown TData type: '"+rval.Type().String()+"'").Type("rval", rval).Build()
 		}
 
 	} else {
@@ -208,7 +221,7 @@ func (c *Coll[TData]) getFieldValue(data TData, fieldName string) (any, error) {
 			rval := reflect.ValueOf(data)
 			return rval.FieldByIndex(fref.Index).Interface(), nil
 		} else {
-			return nil, errors.New("unknown bson field '" + fieldName + "'")
+			return nil, exerr.New(exerr.TypeMongoReflection, "unknown bson field '"+fieldName+"'").Str("fieldName", fieldName).Build()
 		}
 
 	}

wmo/reflection_test.go

@@ -23,6 +23,9 @@ func TestReflectionGetFieldType(t *testing.T) {
 		Sub   struct {
 			A string `bson:"a"`
 		} `bson:"sub"`
+		SubPtr *struct {
+			A string `bson:"a"`
+		} `bson:"subPtr"`
 		Str   string                  `bson:"str"`
 		Ptr   *int                    `bson:"ptr"`
 		MDate rfctime.RFC3339NanoTime `bson:"mdate"`
@@ -43,6 +46,11 @@ func TestReflectionGetFieldType(t *testing.T) {
 		}{
 			A: "2",
 		},
+		SubPtr: &struct {
+			A string `bson:"a"`
+		}{
+			A: "4",
+		},
 		Str:   "3",
 		Ptr:   langext.Ptr(4),
 		MDate: t1,
@@ -82,6 +90,12 @@ func TestReflectionGetFieldType(t *testing.T) {
 	tst.AssertEqual(t, gft("sub.a").IsPointer, false)
 	tst.AssertEqual(t, gfv("sub.a").(string), "2")
 
+	tst.AssertEqual(t, gft("subPtr.a").Kind.String(), "string")
+	tst.AssertEqual(t, gft("subPtr.a").Type.String(), "string")
+	tst.AssertEqual(t, gft("subPtr.a").Name, "A")
+	tst.AssertEqual(t, gft("subPtr.a").IsPointer, false)
+	tst.AssertEqual(t, gfv("subPtr.a").(string), "4")
+
 	tst.AssertEqual(t, gft("str").Kind.String(), "string")
 	tst.AssertEqual(t, gft("str").Type.String(), "string")
 	tst.AssertEqual(t, gft("str").Name, "Str")
@@ -99,16 +113,25 @@ func TestReflectionGetTokenValueAsMongoType(t *testing.T) {
 
 	type IDType string
 
+	type RecurseiveType struct {
+		Other int             `bson:"other"`
+		Inner *RecurseiveType `bson:"inner"`
+	}
+
 	type TestData struct {
 		ID    IDType    `bson:"_id"`
 		CDate time.Time `bson:"cdate"`
 		Sub   struct {
 			A string `bson:"a"`
 		} `bson:"sub"`
+		SubPtr *struct {
+			A string `bson:"a"`
+		} `bson:"subPtr"`
 		Str   string                  `bson:"str"`
 		Ptr   *int                    `bson:"ptr"`
 		Num   int                     `bson:"num"`
 		MDate rfctime.RFC3339NanoTime `bson:"mdate"`
+		Rec   RecurseiveType          `bson:"rec"`
 	}
 
 	coll := W[TestData](&mongo.Collection{})
@@ -130,6 +153,9 @@ func TestReflectionGetTokenValueAsMongoType(t *testing.T) {
 	}
 
 	tst.AssertEqual(t, gtvasmt("hello", "str").(string), "hello")
+	tst.AssertEqual(t, gtvasmt("hello", "sub.a").(string), "hello")
+	tst.AssertEqual(t, gtvasmt("hello", "subPtr.a").(string), "hello")
+	tst.AssertEqual(t, gtvasmt("4", "rec.other").(int), 4)
 	tst.AssertEqual(t, gtvasmt("4", "num").(int), 4)
 	tst.AssertEqual(t, gtvasmt("asdf", "_id").(IDType), "asdf")
 	tst.AssertEqual(t, gtvasmt("", "ptr").(*int), nil)