lavender/database/types/userlocale.go
2024-08-29 17:57:31 +01:00

47 lines
909 B
Go

package types
import (
"database/sql"
"database/sql/driver"
"encoding/json"
"fmt"
"golang.org/x/text/language"
)
var (
_ sql.Scanner = &UserLocale{}
_ driver.Valuer = &UserLocale{}
_ json.Marshaler = &UserLocale{}
_ json.Unmarshaler = &UserLocale{}
)
type UserLocale struct{ language.Tag }
func (l *UserLocale) Scan(src any) error {
s, ok := src.(string)
if !ok {
return fmt.Errorf("unsupported Scan, storing driver.Value type %T into type %T", src, l)
}
lang, err := language.Parse(s)
if err != nil {
return err
}
l.Tag = lang
return nil
}
func (l UserLocale) Value() (driver.Value, error) {
return l.Tag.String(), nil
}
func (l UserLocale) MarshalJSON() ([]byte, error) { return json.Marshal(l.Tag.String()) }
func (l *UserLocale) UnmarshalJSON(bytes []byte) error {
var a string
err := json.Unmarshal(bytes, &a)
if err != nil {
return err
}
return l.Scan(a)
}