api/pkg/models/task_relation_rights.go

53 lines
1.8 KiB
Go

// Vikunja is a to-do list application to facilitate your life.
// Copyright 2018-2021 Vikunja and contributors. All rights reserved.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public Licensee as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public Licensee for more details.
//
// You should have received a copy of the GNU Affero General Public Licensee
// along with this program. If not, see <https://www.gnu.org/licenses/>.
package models
import (
"code.vikunja.io/web"
"xorm.io/xorm"
)
// CanDelete checks if a user can delete a task relation
func (rel *TaskRelation) CanDelete(s *xorm.Session, a web.Auth) (bool, error) {
// A user can delete a relation if it can update the base task
baseTask := &Task{ID: rel.TaskID}
return baseTask.CanUpdate(s, a)
}
// CanCreate checks if a user can create a new relation between two relations
func (rel *TaskRelation) CanCreate(s *xorm.Session, a web.Auth) (bool, error) {
// Check if the relation kind is valid
if !rel.RelationKind.isValid() {
return false, ErrInvalidRelationKind{Kind: rel.RelationKind}
}
// Needs have write access to the base task and at least read access to the other task
baseTask := &Task{ID: rel.TaskID}
has, err := baseTask.CanUpdate(s, a)
if err != nil || !has {
return false, err
}
// We explicitly don't check if the two tasks are on the same project.
otherTask := &Task{ID: rel.OtherTaskID}
has, _, err = otherTask.CanRead(s, a)
if err != nil {
return false, err
}
return has, nil
}