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