package validators import ( "reflect" "strings" "github.com/andreiavrammsd/validator" ) // NotBlank is the validation function for validating if the current field // has a value or length greater than zero, or is not a space only string. func NotBlank(fl validator.FieldLevel) bool { field := fl.Field() switch field.Kind() { case reflect.String: return len(strings.TrimSpace(field.String())) > 0 case reflect.Chan, reflect.Map, reflect.Slice, reflect.Array: return field.Len() > 0 case reflect.Ptr, reflect.Interface, reflect.Func: return !field.IsNil() default: return field.IsValid() && field.Interface() != reflect.Zero(field.Type()).Interface() } }