package models // IsAdmin returns whether the user has admin rights on the list or not func (l *List) IsAdmin(user *User) bool { // Owners are always admins if l.Owner.ID == user.ID { return true } // Check individual rights if l.checkListUserRight(user, UserRightAdmin) { return true } return l.checkListTeamRight(user, TeamRightAdmin) } // CanWrite return whether the user can write on that list or not func (l *List) CanWrite(user *User) bool { // Admins always have write access if l.IsAdmin(user) { return true } // Check individual rights if l.checkListUserRight(user, UserRightWrite) { return true } return l.checkListTeamRight(user, TeamRightWrite) } // CanRead checks if a user has read access to a list func (l *List) CanRead(user *User) bool { // Admins always have read access if l.IsAdmin(user) { return true } // Check individual rights if l.checkListUserRight(user, UserRightRead) { return true } return l.checkListTeamRight(user, TeamRightRead) } // CanDelete checks if the user can delete a list func (l *List) CanDelete(doer *User) bool { list, _ := GetListByID(l.ID) return list.IsAdmin(doer) } // CanUpdate checks if the user can update a list func (l *List) CanUpdate(doer *User) bool { list, _ := GetListByID(l.ID) return list.CanWrite(doer) } // CanCreate checks if the user can update a list func (l *List) CanCreate(doer *User) bool { // A user can create a list if he has write access to the namespace n, _ := GetNamespaceByID(l.NamespaceID) return n.CanWrite(doer) } func (l *List) checkListTeamRight(user *User, r TeamRight) bool { exists, err := x.Select("l.*"). Table("list"). Alias("l"). Join("LEFT", []string{"team_namespaces", "tn"}, "tn.namespace_id = tn.id"). Join("LEFT", []string{"team_members", "tm"}, "tm.team_id = tn.team_id"). Join("LEFT", []string{"team_list", "tl"}, "l.id = tl.list_id"). Join("LEFT", []string{"team_members", "tm2"}, "tm2.team_id = tl.team_id"). Where("((tm.user_id = ? AND tn.right = ?) OR (tm2.user_id = ? AND tl.rights = ?)) AND l.id = ?", user.ID, r, user.ID, r, l.ID). Get(&List{}) if err != nil { return false } return exists } func (l *List) checkListUserRight(user *User, r UserRight) bool { exists, err := x.Select("l.*"). Table("list"). Alias("l"). Join("LEFT", []string{"users_namespace", "un"}, "un.namespace_id = l.namespace_id"). Join("LEFT", []string{"users_list", "ul"}, "ul.list_id = l.id"). Where("(ul.user_id = ? AND ul.right = ?) AND l.id = ?", user.ID, r, l.ID). Get(&List{}) if err != nil { return false } return exists }