50 lines
1.7 KiB
Go
50 lines
1.7 KiB
Go
// Copyright 2018-2020 Vikunja and contriubtors. All rights reserved.
|
|
//
|
|
// This file is part of Vikunja.
|
|
//
|
|
// Vikunja is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Vikunja 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 General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with Vikunja. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
package models
|
|
|
|
import "code.vikunja.io/web"
|
|
|
|
// CanDelete checks if a user can delete a task relation
|
|
func (rel *TaskRelation) CanDelete(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(a)
|
|
}
|
|
|
|
// CanCreate checks if a user can create a new relation between two relations
|
|
func (rel *TaskRelation) CanCreate(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(a)
|
|
if err != nil || !has {
|
|
return false, err
|
|
}
|
|
|
|
// We explicitly don't check if the two tasks are on the same list.
|
|
otherTask := &Task{ID: rel.OtherTaskID}
|
|
has, err = otherTask.CanRead(a)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
return has, nil
|
|
}
|