/
collection.go
executable file
·59 lines (51 loc) · 1.66 KB
/
collection.go
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package mongo
import (
"fmt"
"reflect"
"github.com/shopspring/decimal"
"github.com/sabariramc/goserverbase/v5/log"
"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/primitive"
"go.mongodb.org/mongo-driver/mongo"
)
type Collection struct {
*mongo.Collection
log log.Log
}
var dec, _ = decimal.NewFromString("1.234")
var decimalType = reflect.TypeOf(dec)
var newRegistry = bson.NewRegistry()
func init() {
newRegistry.RegisterTypeEncoder(decimalType, bsoncodec.ValueEncoderFunc(func(ctx bsoncodec.EncodeContext, vr bsonrw.ValueWriter, val reflect.Value) error {
decimalValue, ok := val.Interface().(decimal.Decimal)
if !ok {
return fmt.Errorf("mongo.DecimalRegistryBuilder: decimal bson encode error: value is not a decimal type - %v", val)
}
dec, err := primitive.ParseDecimal128(decimalValue.String())
if err != nil {
return fmt.Errorf("mongo.DecimalRegistryBuilder : %w", err)
}
err = vr.WriteDecimal128(dec)
if err != nil {
return fmt.Errorf("mongo.DecimalRegistryBuilder : %w", err)
}
return nil
}))
newRegistry.RegisterTypeDecoder(decimalType, bsoncodec.ValueDecoderFunc(func(_ bsoncodec.DecodeContext, vr bsonrw.ValueReader, val reflect.Value) error {
read, err := vr.ReadDecimal128()
if err != nil {
return fmt.Errorf("mongo.DecimalRegistryBuilder : %w", err)
}
dec, err := decimal.NewFromString(read.String())
if err != nil {
return fmt.Errorf("mongo.DecimalRegistryBuilder : %w", err)
}
val.Set(reflect.ValueOf(dec))
return nil
}))
}
func NewCustomBsonRegistry() *bsoncodec.Registry {
return newRegistry
}