Files
bibliomane/internal/myvalidator/myvalidator.go

52 lines
1.4 KiB
Go

package myvalidator
import (
"errors"
"fmt"
"net/http"
"git.artlef.fr/PersonalLibraryManager/internal/appcontext"
"git.artlef.fr/PersonalLibraryManager/internal/i18nresource"
"github.com/gin-gonic/gin"
"github.com/go-playground/validator/v10"
)
type apiValidationError struct {
Field string `json:"field"`
Err string `json:"error"`
}
func ManageBindingError(ac appcontext.AppContext, err error) {
var ve validator.ValidationErrors
if errors.As(err, &ve) {
ac.C.JSON(http.StatusBadRequest, getValidationErrors(ac, &ve))
} else {
ac.C.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
}
}
func getValidationErrors(ac appcontext.AppContext, ve *validator.ValidationErrors) []apiValidationError {
errors := make([]apiValidationError, len(*ve))
for i, fe := range *ve {
errors[i] = apiValidationError{
Field: fe.Field(),
Err: computeValidationMessage(ac, &fe),
}
}
return errors
}
func computeValidationMessage(ac appcontext.AppContext, fe *validator.FieldError) string {
tag := (*fe).Tag()
switch tag {
case "required":
return i18nresource.GetTranslatedMessage(ac, "ValidationRequired")
case "min":
return fmt.Sprintf(i18nresource.GetTranslatedMessage(ac, "ValidationTooShort"), (*fe).Param())
case "max":
return fmt.Sprintf(i18nresource.GetTranslatedMessage(ac, "ValidationTooLong"), (*fe).Param())
default:
return fmt.Sprintf(i18nresource.GetTranslatedMessage(ac, "ValidationPropertyFail"), tag)
}
}