v0.0.586

bfcodegen/csid-generate.template

@@ -183,6 +183,10 @@ func (id {{.Name}}) CheckString() string {
 	return getCheckString(prefix{{.Name}}, string(id))
 }
 
+func (id {{.Name}}) IsZero() bool {
+	return id == ""
+}
+
 func (id {{.Name}}) Regex() rext.Regex {
 	return regex{{.Name}}
 }

bfcodegen/enum-generate.go

@@ -6,11 +6,11 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"go/format"
 	"git.blackforestbytes.com/BlackForestBytes/goext"
 	"git.blackforestbytes.com/BlackForestBytes/goext/cryptext"
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"git.blackforestbytes.com/BlackForestBytes/goext/rext"
+	"go/format"
 	"io"
 	"os"
 	"path"
@@ -46,7 +46,7 @@ var rexEnumPackage = rext.W(regexp.MustCompile(`^package\s+(?P<name>[A-Za-z0-9_]
 
 var rexEnumDef = rext.W(regexp.MustCompile(`^\s*type\s+(?P<name>[A-Za-z0-9_]+)\s+(?P<type>[A-Za-z0-9_]+)\s*//\s*(@enum:type).*$`))
 
-var rexEnumValueDef = rext.W(regexp.MustCompile(`^\s*(?P<name>[A-Za-z0-9_]+)\s+(?P<type>[A-Za-z0-9_]+)\s*=\s*(?P<value>("[A-Za-z0-9_:\s\-.]*"|[0-9]+))\s*(//(?P<comm>.*))?.*$`))
+var rexEnumValueDef = rext.W(regexp.MustCompile(`^\s*(?P<name>[A-Za-z0-9_]+)\s+(?P<type>[A-Za-z0-9_]+)\s*=\s*(?P<value>("[@A-Za-z0-9_:\s\-.]*"|[0-9]+))\s*(//(?P<comm>.*))?.*$`))
 
 var rexEnumChecksumConst = rext.W(regexp.MustCompile(`const ChecksumEnumGenerator = "(?P<cs>[A-Za-z0-9_]*)"`))
 

bfcodegen/id-generate.template

@@ -45,6 +45,10 @@ func (i {{.Name}}) AsAnyPtr() *{{$.AnyDef.Name}} {
 }
 {{end}}
 
+func (i {{.Name}}) IsZero() bool {
+	return i == ""
+}
+
 func New{{.Name}}() {{.Name}} {
 	return {{.Name}}(primitive.NewObjectID().Hex())
 }

go.mod

@@ -32,13 +32,13 @@ require (
 	github.com/gin-contrib/sse v1.1.0 // 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 v10.26.0 // indirect
+	github.com/go-playground/validator/v10 v10.27.0 // indirect
 	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/golang/snappy v1.0.0 // indirect
 	github.com/google/uuid v1.5.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/compress v1.18.0 // indirect
-	github.com/klauspost/cpuid/v2 v2.2.10 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.11 // indirect
 	github.com/leodido/go-urn v1.4.0 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
@@ -48,7 +48,7 @@ require (
 	github.com/pelletier/go-toml/v2 v2.2.4 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
-	github.com/ugorji/go/codec v1.2.14 // indirect
+	github.com/ugorji/go/codec v1.3.0 // indirect
 	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
 	github.com/xdg-go/scram v1.1.2 // indirect
 	github.com/xdg-go/stringprep v1.0.4 // indirect

go.sum

@@ -86,6 +86,8 @@ github.com/go-playground/validator/v10 v10.25.0 h1:5Dh7cjvzR7BRZadnsVOzPhWsrwUr0
 github.com/go-playground/validator/v10 v10.25.0/go.mod h1:GGzBIJMuE98Ic/kJsBXbz1x/7cByt++cQ+YOuDM5wus=
 github.com/go-playground/validator/v10 v10.26.0 h1:SP05Nqhjcvz81uJaRfEV0YBSSSGMc/iMaVtFbr3Sw2k=
 github.com/go-playground/validator/v10 v10.26.0/go.mod h1:I5QpIEbmr8On7W0TktmJAumgzX4CA1XNl4ZmDuVHKKo=
+github.com/go-playground/validator/v10 v10.27.0 h1:w8+XrWVMhGkxOaaowyKH35gFydVHOvC0/uWoy2Fzwn4=
+github.com/go-playground/validator/v10 v10.27.0/go.mod h1:I5QpIEbmr8On7W0TktmJAumgzX4CA1XNl4ZmDuVHKKo=
 github.com/go-sql-driver/mysql v1.8.1 h1:LedoTUt/eveggdHS9qUFC1EFSa8bU2+1pZjSRpvNJ1Y=
 github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=
 github.com/goccy/go-json v0.10.3 h1:KZ5WoDbxAIgm2HNbYckL0se1fHD6rz5j4ywS6ebzDqA=
@@ -126,6 +128,8 @@ github.com/klauspost/cpuid/v2 v2.2.9 h1:66ze0taIn2H33fBvCkXuv9BmCwDfafmiIVpKV9kK
 github.com/klauspost/cpuid/v2 v2.2.9/go.mod h1:rqkxqrZ1EhYM9G+hXH7YdowN5R5RGN6NK4QwQ3WMXF8=
 github.com/klauspost/cpuid/v2 v2.2.10 h1:tBs3QSyvjDyFTq3uoc/9xFpCuOsJQFNPiAhYdw2skhE=
 github.com/klauspost/cpuid/v2 v2.2.10/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
+github.com/klauspost/cpuid/v2 v2.2.11 h1:0OwqZRYI2rFrjS4kvkDnqJkKHdHaRnCm68/DY4OxRzU=
+github.com/klauspost/cpuid/v2 v2.2.11/go.mod h1:hqwkgyIinND0mEev00jJYCxPNVRVXFQeu1XKlok6oO0=
 github.com/knz/go-libedit v1.10.1/go.mod h1:MZTVkCWyz0oBc7JOWP3wNAzd002ZbM/5hgShxwh4x8M=
 github.com/leodido/go-urn v1.4.0 h1:WT9HwE9SGECu3lg4d/dIA+jxlljEa1/ffXKmRjqdmIQ=
 github.com/leodido/go-urn v1.4.0/go.mod h1:bvxc+MVxLKB4z00jd1z+Dvzr47oO32F/QSNjSBOlFxI=
@@ -187,6 +191,8 @@ github.com/ugorji/go/codec v1.2.12 h1:9LC83zGrHhuUA9l16C9AHXAqEV/2wBQ4nkvumAE65E
 github.com/ugorji/go/codec v1.2.12/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
 github.com/ugorji/go/codec v1.2.14 h1:yOQvXCBc3Ij46LRkRoh4Yd5qK6LVOgi0bYOXfb7ifjw=
 github.com/ugorji/go/codec v1.2.14/go.mod h1:UNopzCgEMSXjBc6AOMqYvWC1ktqTAfzJZUZgYf6w6lg=
+github.com/ugorji/go/codec v1.3.0 h1:Qd2W2sQawAfG8XSvzwhBeoGq71zXOC/Q1E9y/wUcsUA=
+github.com/ugorji/go/codec v1.3.0/go.mod h1:pRBVtBSKl77K30Bv8R2P+cLSGaTtex6fsA2Wjqmfxj4=
 github.com/xdg-go/pbkdf2 v1.0.0 h1:Su7DPu48wXMwC3bs7MCNG+z4FhcyEuz5dlvchbq0B0c=
 github.com/xdg-go/pbkdf2 v1.0.0/go.mod h1:jrpuAogTd400dnrH08LKmI/xc1MbPOebTwRqcT5RDeI=
 github.com/xdg-go/scram v1.1.2 h1:FHX5I5B4i4hKRVRBCFRxq1iQRej7WO3hhBuJf+UUySY=

goextVersion.go

@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.579"
+const GoextVersion = "0.0.586"
 
-const GoextVersionTimestamp = "2025-06-13T16:53:24+0200"
+const GoextVersionTimestamp = "2025-07-04T13:56:53+0200"

langext/base64.go

@@ -0,0 +1,23 @@
+package langext
+
+import (
+	"encoding/base64"
+	"strings"
+)
+
+// DecodeBase64Any decodes a base64 encoded string
+// Works with all variants (std, url, imap), padded and unpadded and even ignores linrebreaks and indents
+func DecodeBase64Any(data string) ([]byte, error) {
+	data = strings.ReplaceAll(data, "\n", "") // remove linebreaks and indents
+	data = strings.ReplaceAll(data, "\t", "") // remove linebreaks and indents
+	data = strings.ReplaceAll(data, " ", "")  // remove linebreaks and indents
+
+	data = strings.ReplaceAll(data, ",", "/") // base64_imap --> base64_std
+
+	data = strings.ReplaceAll(data, "_", "/") // base64_url --> base64_std
+	data = strings.ReplaceAll(data, "-", "+") // base64_url --> base64_std
+
+	data = strings.ReplaceAll(data, "=", "") // no padding
+
+	return base64.RawStdEncoding.DecodeString(data)
+}

langext/base64_test.go

@@ -0,0 +1,246 @@
+package langext
+
+import (
+	"testing"
+)
+
+func TestDecodeBase64Any_StandardPadded(t *testing.T) {
+	input := "SGVsbG8gV29ybGQ=" // "Hello World" in standard Base64 (padded)
+	expected := "Hello World"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_StandardUnpadded(t *testing.T) {
+	input := "SGVsbG8gV29ybGQ" // "Hello World" in standard Base64 (unpadded)
+	expected := "Hello World"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_URLPadded(t *testing.T) {
+	input := "SGVsbG8tV29ybGQ=" // "Hello-World" in Base64 URL (padded)
+	expected := "Hello-World"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_URLUnpadded(t *testing.T) {
+	input := "SGVsbG8tV29ybGQ" // "Hello-World" in Base64 URL (unpadded)
+	expected := "Hello-World"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_IMAPPadded(t *testing.T) {
+	input := "SGVsbG8,V29ybGQ=" // "Hello/World" in Base64 IMAP (padded)
+	expected := "Hello?World"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_IMAPUnpadded(t *testing.T) {
+	input := "SGVsbG8,V29ybGQ" // "Hello/World" in Base64 IMAP (unpadded)
+	expected := "Hello?World"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_InvalidInput(t *testing.T) {
+	input := "Invalid@@Base64" // Invalid Base64 input
+
+	_, err := DecodeBase64Any(input)
+	if err == nil {
+		t.Fatal("expected an error, but got none")
+	}
+}
+
+func TestDecodeBase64Any_EmptyInput(t *testing.T) {
+	input := "" // Empty input
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if len(result) != 0 {
+		t.Errorf("expected empty result, got %q", string(result))
+	}
+}
+
+func TestDecodeBase64Any_WhitespaceInput(t *testing.T) {
+	input := "  SGVsbG8gV29ybGQ=  " // Input with leading and trailing spaces
+	expected := "Hello World"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_LineBreaksInput(t *testing.T) {
+	input := "SGVs\nbG8g\nV29y\nbGQ=" // Input with line breaks
+	expected := "Hello World"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_TabCharactersInput(t *testing.T) {
+	input := "SGVsbG8g\tV29ybGQ=" // Input with tab characters
+	expected := "Hello World"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_SpecialCharactersIgnored(t *testing.T) {
+	input := "SGVsbG8gV29ybGQ=!!" // Input with ignored special characters
+
+	_, err := DecodeBase64Any(input)
+	if err == nil {
+		t.Fatal("expected an error, but got none")
+	}
+}
+
+func TestDecodeBase64Any_SingleCharacterInput(t *testing.T) {
+	input := "QQ==" // "A" in Base64
+	expected := "A"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_LongInput(t *testing.T) {
+	input := "U29tZSB2ZXJ5IGxvbmcgc3RyaW5nIHdpdGggbXVsdGlwbGUgbGluZXMgYW5kIHNwYWNlcy4=" // Long Base64 string
+	expected := "Some very long string with multiple lines and spaces."
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_Standard63And64(t *testing.T) {
+	input := "Pz8/Pw==" // "???" in standard Base64 (63 = '+', 64 = '/')
+	expected := "????"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_Standard63And64_NoPad(t *testing.T) {
+	input := "Pz8/Pw" // "???" in standard Base64 (63 = '+', 64 = '/')
+	expected := "????"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_URL63And64(t *testing.T) {
+	input := "Pz8_Pw==" // "???" in Base64 URL-safe (63 = '_', 64 = '-')
+	expected := "????"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}
+
+func TestDecodeBase64Any_URL63And64_NoPad(t *testing.T) {
+	input := "Pz8_Pw==" // "???" in Base64 URL-safe (63 = '_', 64 = '-')
+	expected := "????"
+
+	result, err := DecodeBase64Any(input)
+	if err != nil {
+		t.Fatalf("unexpected error: %v", err)
+	}
+
+	if string(result) != expected {
+		t.Errorf("expected %q, got %q", expected, string(result))
+	}
+}

mongoext/registry.go

@@ -1,57 +1,51 @@
 package mongoext
 
 import (
-	"go.mongodb.org/mongo-driver/bson"
-	"go.mongodb.org/mongo-driver/bson/bsoncodec"
-	"go.mongodb.org/mongo-driver/bson/bsontype"
-	"go.mongodb.org/mongo-driver/bson/primitive"
 	"git.blackforestbytes.com/BlackForestBytes/goext/exerr"
 	"git.blackforestbytes.com/BlackForestBytes/goext/langext"
 	"git.blackforestbytes.com/BlackForestBytes/goext/rfctime"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/bson/primitive"
 	"reflect"
 )
 
 func CreateGoExtBsonRegistry() *bsoncodec.Registry {
-	rb := bsoncodec.NewRegistryBuilder()
+	reg := bson.NewRegistry()
 
-	rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.RFC3339Time{}), rfctime.RFC3339Time{})
-	rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.RFC3339Time{}), rfctime.RFC3339Time{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.RFC3339Time{}), rfctime.RFC3339Time{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(&rfctime.RFC3339Time{}), rfctime.RFC3339Time{})
 
-	rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.RFC3339NanoTime{}), rfctime.RFC3339NanoTime{})
-	rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.RFC3339NanoTime{}), rfctime.RFC3339NanoTime{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.RFC3339NanoTime{}), rfctime.RFC3339NanoTime{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(&rfctime.RFC3339NanoTime{}), rfctime.RFC3339NanoTime{})
 
-	rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.UnixTime{}), rfctime.UnixTime{})
-	rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.UnixTime{}), rfctime.UnixTime{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.UnixTime{}), rfctime.UnixTime{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(&rfctime.UnixTime{}), rfctime.UnixTime{})
 
-	rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.UnixMilliTime{}), rfctime.UnixMilliTime{})
-	rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.UnixMilliTime{}), rfctime.UnixMilliTime{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.UnixMilliTime{}), rfctime.UnixMilliTime{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(&rfctime.UnixMilliTime{}), rfctime.UnixMilliTime{})
 
-	rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.UnixNanoTime{}), rfctime.UnixNanoTime{})
-	rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.UnixNanoTime{}), rfctime.UnixNanoTime{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.UnixNanoTime{}), rfctime.UnixNanoTime{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(&rfctime.UnixNanoTime{}), rfctime.UnixNanoTime{})
 
-	rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.Date{}), rfctime.Date{})
-	rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.Date{}), rfctime.Date{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.Date{}), rfctime.Date{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(&rfctime.Date{}), rfctime.Date{})
 
-	rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.SecondsF64(0)), rfctime.SecondsF64(0))
-	rb.RegisterTypeDecoder(reflect.TypeOf(langext.Ptr(rfctime.SecondsF64(0))), rfctime.SecondsF64(0))
+	reg.RegisterTypeDecoder(reflect.TypeOf(rfctime.SecondsF64(0)), rfctime.SecondsF64(0))
+	reg.RegisterTypeDecoder(reflect.TypeOf(langext.Ptr(rfctime.SecondsF64(0))), rfctime.SecondsF64(0))
 
-	rb.RegisterTypeDecoder(reflect.TypeOf(exerr.ErrorCategory{}), exerr.ErrorCategory{})
-	rb.RegisterTypeDecoder(reflect.TypeOf(langext.Ptr(exerr.ErrorCategory{})), exerr.ErrorCategory{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(exerr.ErrorCategory{}), exerr.ErrorCategory{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(langext.Ptr(exerr.ErrorCategory{})), exerr.ErrorCategory{})
 
-	rb.RegisterTypeDecoder(reflect.TypeOf(exerr.ErrorSeverity{}), exerr.ErrorSeverity{})
-	rb.RegisterTypeDecoder(reflect.TypeOf(langext.Ptr(exerr.ErrorSeverity{})), exerr.ErrorSeverity{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(exerr.ErrorSeverity{}), exerr.ErrorSeverity{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(langext.Ptr(exerr.ErrorSeverity{})), exerr.ErrorSeverity{})
 
-	rb.RegisterTypeDecoder(reflect.TypeOf(exerr.ErrorType{}), exerr.ErrorType{})
-	rb.RegisterTypeDecoder(reflect.TypeOf(langext.Ptr(exerr.ErrorType{})), exerr.ErrorType{})
-
-	bsoncodec.DefaultValueEncoders{}.RegisterDefaultEncoders(rb)
-	bsoncodec.DefaultValueDecoders{}.RegisterDefaultDecoders(rb)
-
-	bson.PrimitiveCodecs{}.RegisterPrimitiveCodecs(rb)
+	reg.RegisterTypeDecoder(reflect.TypeOf(exerr.ErrorType{}), exerr.ErrorType{})
+	reg.RegisterTypeDecoder(reflect.TypeOf(langext.Ptr(exerr.ErrorType{})), exerr.ErrorType{})
 
 	// otherwise we get []primitve.E when unmarshalling into any
 	// which will result in {'key': .., 'value': ...}[] json when json-marshalling
-	rb.RegisterTypeMapEntry(bsontype.EmbeddedDocument, reflect.TypeOf(primitive.M{}))
+	reg.RegisterTypeMapEntry(bson.TypeEmbeddedDocument, reflect.TypeOf(primitive.M{}))
 
-	return rb.Build()
+	return reg
 }

timeext/time.go

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

timeext/time_test.go

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