Method updateFilteredPoliciesWithoutNotify

internal_api.go:317–375

(sec string, ptype string, newRules [][]string, fieldIndex int, fieldValues ...string)

}

func (e *Enforcer) updateFilteredPoliciesWithoutNotify(sec string, ptype string, newRules [][]string, fieldIndex int, fieldValues ...string) ([][]string, error) {
	var (
		oldRules [][]string
		err      error
	)

	if _, err = e.model.GetAssertion(sec, ptype); err != nil {
		return oldRules, err
	}

	if e.shouldPersist() {
		if oldRules, err = e.adapter.(persist.UpdatableAdapter).UpdateFilteredPolicies(sec, ptype, newRules, fieldIndex, fieldValues...); err != nil {
			if err.Error() != notImplemented {
				return nil, err
			}
		}
		// For compatibility, because some adapters return oldRules containing ptype, see https://github.com/casbin/xorm-adapter/issues/49
		for i, oldRule := range oldRules {
			if len(oldRules[i]) == len(e.model[sec][ptype].Tokens)+1 {
				oldRules[i] = oldRule[1:]
			}
		}
	}

	if e.dispatcher != nil && e.autoNotifyDispatcher {
		return oldRules, e.dispatcher.UpdateFilteredPolicies(sec, ptype, oldRules, newRules)
	}

	ruleChanged, err := e.model.RemovePolicies(sec, ptype, oldRules)
	if err != nil {
		return oldRules, err
	}
	err = e.model.AddPolicies(sec, ptype, newRules)
	if err != nil {
		return oldRules, err
	}
	ruleChanged = ruleChanged && len(newRules) != 0
	if !ruleChanged {
		return make([][]string, 0), nil
	}

	if sec == "g" {
		err := e.BuildIncrementalRoleLinks(model.PolicyRemove, ptype, oldRules) // remove the old rules
		if err != nil {
			return oldRules, err
		}
		err = e.BuildIncrementalRoleLinks(model.PolicyAdd, ptype, newRules) // add the new rules
		if err != nil {
			return oldRules, err
		}

		// Validate constraints after updating filtered grouping policies
		if err := e.validateConstraintsForGroupingPolicy(); err != nil {
			return oldRules, err
		}
	}

	return oldRules, nil