EMS-559: impl: Bsondec decoder/encoder

README.md

@@ -1,7 +1,15 @@
 # decimal
 
+## This fork
+
+This fork changes:
+* adds MarshalBSON and UnmarshalBSON (for official mongo dirver)
+* sets MarshalJSONWithoutQuotes=true
+* adds decoder and encoder functions for official mongo driver
+* adds go.mod
+
 [![Github Actions](https://github.com/shopspring/decimal/actions/workflows/ci.yml/badge.svg)](https://github.com/shopspring/decimal/actions/workflows/ci.yml)
-[![GoDoc](https://godoc.org/github.com/shopspring/decimal?status.svg)](https://godoc.org/github.com/shopspring/decimal) 
+[![GoDoc](https://godoc.org/github.com/shopspring/decimal?status.svg)](https://godoc.org/github.com/shopspring/decimal)
 [![Go Report Card](https://goreportcard.com/badge/github.com/shopspring/decimal)](https://goreportcard.com/report/github.com/shopspring/decimal)
 
 Arbitrary-precision fixed-point decimal numbers in go.
@@ -10,17 +18,17 @@ _Note:_ Decimal library can "only" represent numbers with a maximum of 2^31 digi
 
 ## Features
 
- * The zero-value is 0, and is safe to use without initialization
- * Addition, subtraction, multiplication with no loss of precision
- * Division with specified precision
- * Database/sql serialization/deserialization
- * JSON and XML serialization/deserialization
+* The zero-value is 0, and is safe to use without initialization
+* Addition, subtraction, multiplication with no loss of precision
+* Division with specified precision
+* Database/sql serialization/deserialization
+* JSON and XML serialization/deserialization
 
 ## Install
 
 Run `go get github.com/shopspring/decimal`
 
-## Requirements 
+## Requirements
 
 Decimal library requires Go version `>=1.7`
 

go.mod

@@ -1,3 +1,5 @@
-module github.com/shopspring/decimal
+module github.com/husarlabs/decimal
 
-go 1.13
+go 1.15
+
+require go.mongodb.org/mongo-driver v1.12.1

go.sum

@@ -0,0 +1,44 @@
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mongo.go

@@ -0,0 +1,28 @@
+package decimal
+
+import (
+	"reflect"
+
+	"go.mongodb.org/mongo-driver/bson/bsoncodec"
+	"go.mongodb.org/mongo-driver/bson/bsonrw"
+)
+
+type BsonDecoderEncoder struct {
+}
+
+func (BsonDecoderEncoder) EncodeValue(encodeContext bsoncodec.EncodeContext, writer bsonrw.ValueWriter, value reflect.Value) error {
+	return writer.WriteString(value.Interface().(Decimal).String())
+}
+
+func (BsonDecoderEncoder) DecodeValue(decodeContext bsoncodec.DecodeContext, reader bsonrw.ValueReader, value reflect.Value) error {
+	str, err := reader.ReadString()
+	if err != nil {
+		return err
+	}
+	dec, err := NewFromString(str)
+	if err != nil {
+		return err
+	}
+	value.Set(reflect.ValueOf(dec))
+	return nil
+}