61 lines
1.2 KiB
Go
61 lines
1.2 KiB
Go
package http
|
|
|
|
import (
|
|
"fmt"
|
|
"reflect"
|
|
|
|
"github.com/go-playground/validator/v10"
|
|
)
|
|
|
|
type fieldError struct {
|
|
Field string
|
|
Message string
|
|
}
|
|
|
|
func NewValidator() *validator.Validate {
|
|
validate := validator.New()
|
|
validate.RegisterTagNameFunc(func(fld reflect.StructField) string {
|
|
if fld.Tag.Get("validation_name") != "" {
|
|
return fld.Tag.Get("validation_name")
|
|
} else {
|
|
return fld.Tag.Get("json")
|
|
}
|
|
})
|
|
|
|
return validate
|
|
}
|
|
|
|
func validationErrorFormater(errs validator.ValidationErrors) []fieldError {
|
|
fieldErrs := make([]fieldError, 0)
|
|
|
|
if errs != nil {
|
|
for _, err := range errs {
|
|
fieldErrs = append(
|
|
fieldErrs,
|
|
fieldError{
|
|
Field: err.Field(),
|
|
Message: msgForTag(err.Tag(), err.Field(), err.Param()),
|
|
},
|
|
)
|
|
}
|
|
return fieldErrs
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func msgForTag(tag, field, param string) string {
|
|
switch tag {
|
|
case "required":
|
|
return fmt.Sprintf("%s is required", field)
|
|
case "email":
|
|
return "email is invalid"
|
|
case "min":
|
|
return fmt.Sprintf("The length of %s must be at least %s", field, param)
|
|
case "max":
|
|
return fmt.Sprintf("The length of %s must be at most %s", field, param)
|
|
default:
|
|
return fmt.Sprintf("%s is invalid", field)
|
|
}
|
|
}
|