Assignees optimizations (#47)

pkg/models/list_task_assignees_rights.go

@@ -0,0 +1,47 @@
+//  Vikunja is a todo-list application to facilitate your life.
+//  Copyright 2019 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 General Public License 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 General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package models
+
+import (
+	"code.vikunja.io/api/pkg/log"
+	"code.vikunja.io/web"
+)
+
+// CanCreate checks if a user can add a new assignee
+func (la *ListTaskAssginee) CanCreate(a web.Auth) bool {
+	return canDoListTaskAssingee(la.TaskID, a)
+}
+
+// CanCreate checks if a user can add a new assignee
+func (ba *BulkAssignees) CanCreate(a web.Auth) bool {
+	return canDoListTaskAssingee(ba.TaskID, a)
+}
+
+// CanDelete checks if a user can delete an assignee
+func (la *ListTaskAssginee) CanDelete(a web.Auth) bool {
+	return canDoListTaskAssingee(la.TaskID, a)
+}
+
+func canDoListTaskAssingee(taskID int64, a web.Auth) bool {
+	// Check if the current user can edit the list
+	list, err := GetListSimplByTaskID(taskID)
+	if err != nil {
+		log.Log.Errorf("Error during canDoListTaskAssingee for ListTaskAssginee: %v", err)
+		return false
+	}
+	return list.CanCreate(a)
+}