Files
go-utils/copierutil/converters.go
2025-05-22 10:53:04 +08:00

125 lines
3.1 KiB
Go

package copierutil
import (
"time"
"github.com/jinzhu/copier"
"google.golang.org/protobuf/types/known/timestamppb"
"github.com/tx7do/go-utils/timeutil"
"github.com/tx7do/go-utils/trans"
)
var TimeToStringConverter = copier.TypeConverter{
SrcType: &time.Time{}, // 源类型
DstType: trans.Ptr(""), // 目标类型
Fn: func(src interface{}) (interface{}, error) {
return timeutil.TimeToTimeString(src.(*time.Time)), nil
},
}
var StringToTimeConverter = copier.TypeConverter{
SrcType: trans.Ptr(""),
DstType: &time.Time{},
Fn: func(src interface{}) (interface{}, error) {
return timeutil.StringTimeToTime(src.(*string)), nil
},
}
var TimeToTimestamppbConverter = copier.TypeConverter{
SrcType: &time.Time{},
DstType: &timestamppb.Timestamp{},
Fn: func(src interface{}) (interface{}, error) {
return timeutil.TimeToTimestamppb(src.(*time.Time)), nil
},
}
var TimestamppbToTimeConverter = copier.TypeConverter{
SrcType: &timestamppb.Timestamp{},
DstType: &time.Time{},
Fn: func(src interface{}) (interface{}, error) {
return timeutil.TimestamppbToTime(src.(*timestamppb.Timestamp)), nil
},
}
func NewTimeStringConverterPair() []copier.TypeConverter {
srcType := &time.Time{}
dstType := trans.Ptr("")
fromFn := timeutil.TimeToTimeString
toFn := timeutil.StringTimeToTime
return NewGenericTypeConverterPair(srcType, dstType, fromFn, toFn)
}
func NewTimeTimestamppbConverterPair() []copier.TypeConverter {
srcType := &time.Time{}
dstType := &timestamppb.Timestamp{}
fromFn := timeutil.TimeToTimestamppb
toFn := timeutil.TimestamppbToTime
return NewGenericTypeConverterPair(srcType, dstType, fromFn, toFn)
}
func NewTypeConverter(srcType, dstType interface{}, fn func(src interface{}) (interface{}, error)) copier.TypeConverter {
return copier.TypeConverter{
SrcType: srcType,
DstType: dstType,
Fn: fn,
}
}
func NewTypeConverterPair(srcType, dstType interface{}, fromFn, toFn func(src interface{}) (interface{}, error)) []copier.TypeConverter {
return []copier.TypeConverter{
{
SrcType: srcType,
DstType: dstType,
Fn: fromFn,
},
{
SrcType: dstType,
DstType: srcType,
Fn: toFn,
},
}
}
func NewGenericTypeConverterPair[A interface{}, B interface{}](srcType A, dstType B, fromFn func(src A) B, toFn func(src B) A) []copier.TypeConverter {
return []copier.TypeConverter{
{
SrcType: srcType,
DstType: dstType,
Fn: func(src interface{}) (interface{}, error) {
return fromFn(src.(A)), nil
},
},
{
SrcType: dstType,
DstType: srcType,
Fn: func(src interface{}) (interface{}, error) {
return toFn(src.(B)), nil
},
},
}
}
func NewErrorHandlingGenericTypeConverterPair[A interface{}, B interface{}](srcType A, dstType B, fromFn func(src A) (B, error), toFn func(src B) (A, error)) []copier.TypeConverter {
return []copier.TypeConverter{
{
SrcType: srcType,
DstType: dstType,
Fn: func(src interface{}) (interface{}, error) {
return fromFn(src.(A))
},
},
{
SrcType: dstType,
DstType: srcType,
Fn: func(src interface{}) (interface{}, error) {
return toFn(src.(B))
},
},
}
}