v0.0.314

exerr/data.go

@@ -46,6 +46,7 @@ var (
 	TypeCursorTokenDecode = NewType("CURSOR_TOKEN_DECODE", langext.Ptr(500))
 	TypeMongoFilter       = NewType("MONGO_FILTER", langext.Ptr(500))
 	TypeMongoReflection   = NewType("MONGO_REFLECTION", langext.Ptr(500))
+	TypeMongoInvalidOpt   = NewType("MONGO_INVALIDOPT", langext.Ptr(500))
 
 	TypeWrap = NewType("Wrap", nil)
 

exerr/exerr.go

@@ -169,14 +169,32 @@ func (ee *ExErr) ShortLog(evt *zerolog.Event) {
 
 // RecursiveMessage returns the message to show
 // = first error (top-down) that is not wrapping/foreign/empty
+// = lowest level error (that is not empty)
+// = fallback to self.message
 func (ee *ExErr) RecursiveMessage() string {
+
+	// ==== [1] ==== first error (top-down) that is not wrapping/foreign/empty
+
 	for curr := ee; curr != nil; curr = curr.OriginalError {
 		if curr.Message != "" && curr.Category != CatWrap && curr.Category != CatForeign {
 			return curr.Message
 		}
 	}
 
-	// fallback to self
+	// ==== [2] ==== lowest level error (that is not empty)
+
+	deepestMsg := ""
+	for curr := ee; curr != nil; curr = curr.OriginalError {
+		if curr.Message != "" {
+			deepestMsg = curr.Message
+		}
+	}
+	if deepestMsg != "" {
+		return deepestMsg
+	}
+
+	// ==== [3] ==== fallback to self.message
+
 	return ee.Message
 }
 

goextVersion.go

@@ -1,5 +1,5 @@
 package goext
 
-const GoextVersion = "0.0.304"
+const GoextVersion = "0.0.314"
 
-const GoextVersionTimestamp = "2023-11-09T09:26:46+0100"
+const GoextVersionTimestamp = "2023-11-10T13:37:54+0100"

mongoext/registry.go

@@ -18,6 +18,15 @@ func CreateGoExtBsonRegistry() *bsoncodec.Registry {
 	rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.RFC3339NanoTime{}), rfctime.RFC3339NanoTime{})
 	rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.RFC3339NanoTime{}), rfctime.RFC3339NanoTime{})
 
+	rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.UnixTime{}), rfctime.UnixTime{})
+	rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.UnixTime{}), rfctime.UnixTime{})
+
+	rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.UnixMilliTime{}), rfctime.UnixMilliTime{})
+	rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.UnixMilliTime{}), rfctime.UnixMilliTime{})
+
+	rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.UnixNanoTime{}), rfctime.UnixNanoTime{})
+	rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.UnixNanoTime{}), rfctime.UnixNanoTime{})
+
 	rb.RegisterTypeDecoder(reflect.TypeOf(rfctime.Date{}), rfctime.Date{})
 	rb.RegisterTypeDecoder(reflect.TypeOf(&rfctime.Date{}), rfctime.Date{})
 

pagination/filter.go

@@ -1,29 +1,28 @@
 package pagination
 
 import (
+	"go.mongodb.org/mongo-driver/bson"
 	"go.mongodb.org/mongo-driver/mongo"
-	ct "gogs.mikescher.com/BlackForestBytes/goext/cursortoken"
 )
 
 type Filter interface {
 	FilterQuery() mongo.Pipeline
-	Pagination() (string, ct.SortDirection)
+	Sort() bson.D
 }
 
 type dynamicFilter struct {
-	pipeline  mongo.Pipeline
-	sortField string
-	sortDir   ct.SortDirection
+	pipeline mongo.Pipeline
+	sort     bson.D
 }
 
 func (d dynamicFilter) FilterQuery() mongo.Pipeline {
 	return d.pipeline
 }
 
-func (d dynamicFilter) Pagination() (string, ct.SortDirection) {
-	return d.sortField, d.sortDir
+func (d dynamicFilter) Sort() bson.D {
+	return d.sort
 }
 
-func CreateFilter(pipeline mongo.Pipeline, sortField string, sortdir ct.SortDirection) Filter {
-	return dynamicFilter{pipeline: pipeline, sortField: sortField, sortDir: sortdir}
+func CreateFilter(pipeline mongo.Pipeline, sort bson.D) Filter {
+	return dynamicFilter{pipeline: pipeline, sort: sort}
 }

rfctime/seconds.go

@@ -2,7 +2,14 @@ package rfctime
 
 import (
 	"encoding/json"
+	"errors"
+	"fmt"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
 	"gogs.mikescher.com/BlackForestBytes/goext/timeext"
+	"reflect"
 	"time"
 )
 
@@ -54,6 +61,63 @@ func (d SecondsF64) MarshalJSON() ([]byte, error) {
 	return json.Marshal(secs)
 }
 
+func (d *SecondsF64) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
+	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
+		// https://jira.mongodb.org/browse/GODRIVER-2252
+		*d = SecondsF64(0)
+		return nil
+	}
+	if bt != bson.TypeDouble {
+		return errors.New(fmt.Sprintf("cannot unmarshal %v into SecondsF64", bt))
+	}
+	var tt float64
+	err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
+	if err != nil {
+		return err
+	}
+	*d = SecondsF64(tt)
+	return nil
+}
+
+func (d SecondsF64) MarshalBSONValue() (bsontype.Type, []byte, error) {
+	return bson.MarshalValue(d.Seconds())
+}
+
+func (d SecondsF64) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if val.Kind() == reflect.Ptr && val.IsNil() {
+		if !val.CanSet() {
+			return errors.New("ValueUnmarshalerDecodeValue")
+		}
+		val.Set(reflect.New(val.Type().Elem()))
+	}
+
+	tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
+	if err != nil {
+		return err
+	}
+
+	if val.Kind() == reflect.Ptr && len(src) == 0 {
+		val.Set(reflect.Zero(val.Type()))
+		return nil
+	}
+
+	err = d.UnmarshalBSONValue(tp, src)
+	if err != nil {
+		return err
+	}
+
+	if val.Kind() == reflect.Ptr {
+		val.Set(reflect.ValueOf(&d))
+	} else {
+		val.Set(reflect.ValueOf(d))
+	}
+
+	return nil
+}
+
 func NewSecondsF64(t time.Duration) SecondsF64 {
 	return SecondsF64(t)
 }

rfctime/unix.go

@@ -2,6 +2,13 @@ package rfctime
 
 import (
 	"encoding/json"
+	"errors"
+	"fmt"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"reflect"
 	"strconv"
 	"time"
 )
@@ -59,6 +66,63 @@ func (t *UnixTime) UnmarshalText(data []byte) error {
 	return nil
 }
 
+func (t *UnixTime) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
+	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
+		// https://jira.mongodb.org/browse/GODRIVER-2252
+		*t = UnixTime{}
+		return nil
+	}
+	if bt != bson.TypeDateTime {
+		return errors.New(fmt.Sprintf("cannot unmarshal %v into UnixTime", bt))
+	}
+	var tt time.Time
+	err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
+	if err != nil {
+		return err
+	}
+	*t = UnixTime(tt)
+	return nil
+}
+
+func (t UnixTime) MarshalBSONValue() (bsontype.Type, []byte, error) {
+	return bson.MarshalValue(time.Time(t))
+}
+
+func (t UnixTime) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if val.Kind() == reflect.Ptr && val.IsNil() {
+		if !val.CanSet() {
+			return errors.New("ValueUnmarshalerDecodeValue")
+		}
+		val.Set(reflect.New(val.Type().Elem()))
+	}
+
+	tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
+	if err != nil {
+		return err
+	}
+
+	if val.Kind() == reflect.Ptr && len(src) == 0 {
+		val.Set(reflect.Zero(val.Type()))
+		return nil
+	}
+
+	err = t.UnmarshalBSONValue(tp, src)
+	if err != nil {
+		return err
+	}
+
+	if val.Kind() == reflect.Ptr {
+		val.Set(reflect.ValueOf(&t))
+	} else {
+		val.Set(reflect.ValueOf(t))
+	}
+
+	return nil
+}
+
 func (t UnixTime) Serialize() string {
 	return strconv.FormatInt(t.Time().Unix(), 10)
 }

rfctime/unixMilli.go

@@ -2,6 +2,13 @@ package rfctime
 
 import (
 	"encoding/json"
+	"errors"
+	"fmt"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"reflect"
 	"strconv"
 	"time"
 )
@@ -59,6 +66,63 @@ func (t *UnixMilliTime) UnmarshalText(data []byte) error {
 	return nil
 }
 
+func (t *UnixMilliTime) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
+	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
+		// https://jira.mongodb.org/browse/GODRIVER-2252
+		*t = UnixMilliTime{}
+		return nil
+	}
+	if bt != bson.TypeDateTime {
+		return errors.New(fmt.Sprintf("cannot unmarshal %v into UnixMilliTime", bt))
+	}
+	var tt time.Time
+	err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
+	if err != nil {
+		return err
+	}
+	*t = UnixMilliTime(tt)
+	return nil
+}
+
+func (t UnixMilliTime) MarshalBSONValue() (bsontype.Type, []byte, error) {
+	return bson.MarshalValue(time.Time(t))
+}
+
+func (t UnixMilliTime) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if val.Kind() == reflect.Ptr && val.IsNil() {
+		if !val.CanSet() {
+			return errors.New("ValueUnmarshalerDecodeValue")
+		}
+		val.Set(reflect.New(val.Type().Elem()))
+	}
+
+	tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
+	if err != nil {
+		return err
+	}
+
+	if val.Kind() == reflect.Ptr && len(src) == 0 {
+		val.Set(reflect.Zero(val.Type()))
+		return nil
+	}
+
+	err = t.UnmarshalBSONValue(tp, src)
+	if err != nil {
+		return err
+	}
+
+	if val.Kind() == reflect.Ptr {
+		val.Set(reflect.ValueOf(&t))
+	} else {
+		val.Set(reflect.ValueOf(t))
+	}
+
+	return nil
+}
+
 func (t UnixMilliTime) Serialize() string {
 	return strconv.FormatInt(t.Time().UnixMilli(), 10)
 }

rfctime/unixNano.go

@@ -2,6 +2,13 @@ package rfctime
 
 import (
 	"encoding/json"
+	"errors"
+	"fmt"
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+	"go.mongodb.org/mongo-driver/bson/bsontype"
+	"reflect"
 	"strconv"
 	"time"
 )
@@ -59,6 +66,63 @@ func (t *UnixNanoTime) UnmarshalText(data []byte) error {
 	return nil
 }
 
+func (t *UnixNanoTime) UnmarshalBSONValue(bt bsontype.Type, data []byte) error {
+	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
+		// https://jira.mongodb.org/browse/GODRIVER-2252
+		*t = UnixNanoTime{}
+		return nil
+	}
+	if bt != bson.TypeDateTime {
+		return errors.New(fmt.Sprintf("cannot unmarshal %v into UnixNanoTime", bt))
+	}
+	var tt time.Time
+	err := bson.RawValue{Type: bt, Value: data}.Unmarshal(&tt)
+	if err != nil {
+		return err
+	}
+	*t = UnixNanoTime(tt)
+	return nil
+}
+
+func (t UnixNanoTime) MarshalBSONValue() (bsontype.Type, []byte, error) {
+	return bson.MarshalValue(time.Time(t))
+}
+
+func (t UnixNanoTime) DecodeValue(dc bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
+	if val.Kind() == reflect.Ptr && val.IsNil() {
+		if !val.CanSet() {
+			return errors.New("ValueUnmarshalerDecodeValue")
+		}
+		val.Set(reflect.New(val.Type().Elem()))
+	}
+
+	tp, src, err := bsonrw.Copier{}.CopyValueToBytes(vr)
+	if err != nil {
+		return err
+	}
+
+	if val.Kind() == reflect.Ptr && len(src) == 0 {
+		val.Set(reflect.Zero(val.Type()))
+		return nil
+	}
+
+	err = t.UnmarshalBSONValue(tp, src)
+	if err != nil {
+		return err
+	}
+
+	if val.Kind() == reflect.Ptr {
+		val.Set(reflect.ValueOf(&t))
+	} else {
+		val.Set(reflect.ValueOf(t))
+	}
+
+	return nil
+}
+
 func (t UnixNanoTime) Serialize() string {
 	return strconv.FormatInt(t.Time().UnixNano(), 10)
 }

wmo/queryFind.go

@@ -4,18 +4,52 @@ import (
 	"context"
 	"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"
 	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 )
 
-func (c *Coll[TData]) Find(ctx context.Context, filter bson.M) ([]TData, error) {
+func (c *Coll[TData]) Find(ctx context.Context, filter bson.M, opts ...*options.FindOptions) ([]TData, error) {
 
 	pipeline := mongo.Pipeline{}
 	pipeline = append(pipeline, bson.D{{Key: "$match", Value: filter}})
 
+	for _, opt := range opts {
+		if opt != nil && opt.Sort != nil {
+			pipeline = append(pipeline, bson.D{{Key: "$sort", Value: opt.Sort}})
+		}
+	}
+
+	for _, opt := range opts {
+		if opt != nil && opt.Skip != nil {
+			pipeline = append(pipeline, bson.D{{Key: "$skip", Value: *opt.Skip}})
+		}
+	}
+
+	for _, opt := range opts {
+		if opt != nil && opt.Limit != nil {
+			pipeline = append(pipeline, bson.D{{Key: "$limit", Value: *opt.Limit}})
+		}
+	}
+
 	pipeline = langext.ArrConcat(pipeline, c.extraModPipeline)
 
-	cursor, err := c.coll.Aggregate(ctx, pipeline)
+	for _, opt := range opts {
+		if opt != nil && opt.Projection != nil {
+			pipeline = append(pipeline, bson.D{{Key: "$project", Value: opt.Projection}})
+		}
+	}
+
+	convOpts := make([]*options.AggregateOptions, 0, len(opts))
+	for _, v := range opts {
+		vConv, err := convertFindOpt(v)
+		if err != nil {
+			return nil, exerr.Wrap(err, "mongo-aggregation failed").Any("pipeline", pipeline).Str("collection", c.Name()).Build()
+		}
+		convOpts = append(convOpts, vConv)
+	}
+
+	cursor, err := c.coll.Aggregate(ctx, pipeline, convOpts...)
 	if err != nil {
 		return nil, exerr.Wrap(err, "mongo-aggregation failed").Any("pipeline", pipeline).Str("collection", c.Name()).Build()
 	}
@@ -27,3 +61,66 @@ func (c *Coll[TData]) Find(ctx context.Context, filter bson.M) ([]TData, error)
 
 	return res, nil
 }
+
+// converts FindOptions to AggregateOptions
+func convertFindOpt(v *options.FindOptions) (*options.AggregateOptions, error) {
+	if v == nil {
+		return nil, nil
+	}
+
+	r := options.Aggregate()
+
+	if v.AllowDiskUse != nil {
+		r.SetAllowDiskUse(*v.AllowDiskUse)
+	}
+	if v.AllowPartialResults != nil {
+		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'AllowPartialResults' (cannot convert to AggregateOptions)").Build()
+	}
+	if v.BatchSize != nil {
+		r.SetBatchSize(*v.BatchSize)
+	}
+	if v.Collation != nil {
+		r.SetCollation(v.Collation)
+	}
+	if v.Comment != nil {
+		r.SetComment(*v.Comment)
+	}
+	if v.CursorType != nil {
+		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'CursorType' (cannot convert to AggregateOptions)").Build()
+	}
+	if v.Hint != nil {
+		r.SetHint(v.Hint)
+	}
+	if v.Max != nil {
+		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'Max' (cannot convert to AggregateOptions)").Build()
+	}
+	if v.MaxAwaitTime != nil {
+		r.SetMaxAwaitTime(*v.MaxAwaitTime)
+	}
+	if v.MaxTime != nil {
+		r.SetMaxTime(*v.MaxTime)
+	}
+	if v.Min != nil {
+		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'Min' (cannot convert to AggregateOptions)").Build()
+	}
+	if v.NoCursorTimeout != nil {
+		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'NoCursorTimeout' (cannot convert to AggregateOptions)").Build()
+	}
+	if v.OplogReplay != nil {
+		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'OplogReplay' (cannot convert to AggregateOptions)").Build()
+	}
+	if v.ReturnKey != nil {
+		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'ReturnKey' (cannot convert to AggregateOptions)").Build()
+	}
+	if v.ShowRecordID != nil {
+		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'ShowRecordID' (cannot convert to AggregateOptions)").Build()
+	}
+	if v.Snapshot != nil {
+		return nil, exerr.New(exerr.TypeMongoInvalidOpt, "Invalid option 'Snapshot' (cannot convert to AggregateOptions)").Build()
+	}
+	if v.Let != nil {
+		r.SetLet(v.Let)
+	}
+
+	return r, nil
+}

wmo/queryInsert.go

@@ -21,6 +21,20 @@ func (c *Coll[TData]) InsertOne(ctx context.Context, valueIn TData) (TData, erro
 	return *r, nil
 }
 
+// InsertOneUnchecked behaves the same as InsertOne, but allows arbitrary data to be inserted (valueIn is any instead of TData)
+func (c *Coll[TData]) InsertOneUnchecked(ctx context.Context, valueIn any) (TData, error) {
+	insRes, err := c.coll.InsertOne(ctx, valueIn)
+	if err != nil {
+		return *new(TData), exerr.Wrap(err, "mongo-query[insert-one] failed").Str("collection", c.Name()).Build()
+	}
+
+	r, err := c.findOneInternal(ctx, bson.M{"_id": insRes.InsertedID}, false)
+	if err != nil {
+		return *new(TData), exerr.Wrap(err, "mongo-query[insert-one] failed").Str("collection", c.Name()).Build()
+	}
+	return *r, nil
+}
+
 func (c *Coll[TData]) InsertMany(ctx context.Context, valueIn []TData) (*mongo.InsertManyResult, error) {
 	insRes, err := c.coll.InsertMany(ctx, langext.ArrayToInterface(valueIn))
 	if err != nil {
@@ -29,3 +43,13 @@ func (c *Coll[TData]) InsertMany(ctx context.Context, valueIn []TData) (*mongo.I
 
 	return insRes, nil
 }
+
+// InsertManyUnchecked behaves the same as InsertOne, but allows arbitrary data to be inserted (valueIn is []any instead of []TData)
+func (c *Coll[TData]) InsertManyUnchecked(ctx context.Context, valueIn []any) (*mongo.InsertManyResult, error) {
+	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/queryPaginate.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"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"
 	"gogs.mikescher.com/BlackForestBytes/goext/langext"
 	pag "gogs.mikescher.com/BlackForestBytes/goext/pagination"
@@ -21,18 +20,15 @@ func (c *Coll[TData]) Paginate(ctx context.Context, filter pag.Filter, page int,
 
 	pipelineSort := mongo.Pipeline{}
 	pipelineFilter := mongo.Pipeline{}
-	pf1 := "_id"
-	pd1 := ct.SortASC
+	sort := bson.D{}
 
 	if filter != nil {
 		pipelineFilter = filter.FilterQuery()
-		pf1, pd1 = filter.Pagination()
+		sort = filter.Sort()
 	}
 
-	if pd1 == ct.SortASC {
-		pipelineSort = append(pipelineSort, bson.D{{Key: "$sort", Value: bson.D{{Key: pf1, Value: +1}}}})
-	} else if pd1 == ct.SortDESC {
-		pipelineSort = append(pipelineSort, bson.D{{Key: "$sort", Value: bson.D{{Key: pf1, Value: -1}}}})
+	if len(sort) != 0 {
+		pipelineSort = append(pipelineSort, bson.D{{Key: "$sort", Value: sort}})
 	}
 
 	pipelinePaginate := mongo.Pipeline{}
@@ -44,7 +40,7 @@ func (c *Coll[TData]) Paginate(ctx context.Context, filter pag.Filter, page int,
 	}
 
 	pipelineCount := mongo.Pipeline{}
-	pipelinePaginate = append(pipelinePaginate, bson.D{{Key: "$count", Value: "count"}})
+	pipelineCount = append(pipelineCount, bson.D{{Key: "$count", Value: "count"}})
 
 	pipelineList := langext.ArrConcat(mongo.Pipeline{}, pipelineFilter, pipelinePaginate, c.extraModPipeline)
 	pipelineTotalCount := langext.ArrConcat(mongo.Pipeline{}, pipelineFilter, pipelineCount)