package plugins import ( "reflect" "github.com/pkg/errors" ) type ( // ActorKit contains some common validation functions to be used // when implementing actors ActorKit struct{} ) // ValidateRequireNonEmpty checks whether the fields are gettable // (not returning ErrValueNotSet) and does not contain zero value // recognized by reflect (to just check whether the field is set // but allow zero values use HasAll on the FieldCollection) func (ActorKit) ValidateRequireNonEmpty(attrs *FieldCollection, fields ...string) error { for _, field := range fields { v, err := attrs.Any(field) if err != nil { return errors.Wrapf(err, "getting field %s", field) } if reflect.ValueOf(v).IsZero() { return errors.Errorf("field %s has zero-value", field) } } return nil } // ValidateRequireValidTemplate checks whether fields are gettable // as strings and do have a template which validates (this does not // check for empty strings as an empty template is indeed valid) func (ActorKit) ValidateRequireValidTemplate(tplValidator TemplateValidatorFunc, attrs *FieldCollection, fields ...string) error { for _, field := range fields { v, err := attrs.String(field) if err != nil { return errors.Wrapf(err, "getting string field %s", field) } if err = tplValidator(v); err != nil { return errors.Wrapf(err, "validaging template field %s", field) } } return nil } // ValidateRequireValidTemplateIfSet checks whether the field is // either not set or a valid template (this does not // check for empty strings as an empty template is indeed valid) func (ActorKit) ValidateRequireValidTemplateIfSet(tplValidator TemplateValidatorFunc, attrs *FieldCollection, fields ...string) error { for _, field := range fields { v, err := attrs.String(field) if err != nil { if errors.Is(err, ErrValueNotSet) { continue } return errors.Wrapf(err, "getting string field %s", field) } if err = tplValidator(v); err != nil { return errors.Wrapf(err, "validaging template field %s", field) } } return nil }