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types.go
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types.go
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package library
import (
"fmt"
"io"
"net/url"
"time"
"github.com/Laisky/laisky-blog-graphql/library/log"
gutils "github.com/Laisky/go-utils/v3"
"github.com/Laisky/zap"
)
type Datetime struct {
t time.Time
}
const TimeLayout = "2006-01-02T15:04:05.000Z"
func NewDatetimeFromTime(t time.Time) *Datetime {
return &Datetime{
t: t,
}
}
func (d *Datetime) GetTime() time.Time {
return d.t
}
func (d *Datetime) UnmarshalGQL(vi interface{}) (err error) {
v, ok := vi.(string)
if !ok {
return fmt.Errorf("unknown type of Datetime: `%+v`", vi)
}
if d.t, err = time.Parse(TimeLayout, v); err != nil {
return err
}
return nil
}
func (d Datetime) MarshalGQL(w io.Writer) {
if _, err := w.Write(appendQuote([]byte(d.t.Format(TimeLayout)))); err != nil {
log.Logger.Error("write datetime bytes", zap.Error(err))
}
}
type QuotedString string
func (qs *QuotedString) UnmarshalGQL(vi interface{}) (err error) {
switch v := vi.(type) {
case string:
if v, err = url.QueryUnescape(v); err != nil {
log.Logger.Debug("unquote string", zap.String("quoted", v), zap.Error(err))
return err
}
*qs = QuotedString(v)
return nil
}
log.Logger.Debug("unknown type of QuotedString", zap.String("quoted", fmt.Sprint(vi)))
return fmt.Errorf("unknown type of QuotedString: `%+v`", vi)
}
func (qs QuotedString) MarshalGQL(w io.Writer) {
if _, err := w.Write(appendQuote([]byte(qs))); err != nil {
log.Logger.Error("write bytes", zap.Error(err))
}
}
type JSONString string
func (qs *JSONString) UnmarshalGQL(vi interface{}) (err error) {
v, ok := vi.(string)
if !ok {
log.Logger.Debug("unknown type of JSONString", zap.String("val", fmt.Sprint(vi)))
}
// var v string
if err = gutils.JSON.UnmarshalFromString(v, &v); err != nil {
log.Logger.Debug("decode string", zap.String("quoted", v), zap.Error(err))
return err
}
*qs = JSONString(v)
return nil
}
func (qs JSONString) MarshalGQL(w io.Writer) {
if vb, err := gutils.JSON.Marshal(qs); err != nil {
log.Logger.Error("marshal json", zap.Error(err))
} else {
if _, err = w.Write(vb); err != nil {
log.Logger.Error("write bytes", zap.Error(err))
}
}
}