Fix Assignees being deleted when adding a due date (#254)

Use a model to make sure all changes of task assignees are bubbled back up to the task

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/254
Co-Authored-By: konrad <konrad@kola-entertainments.de>
Co-Committed-By: konrad <konrad@kola-entertainments.de>

src/components/tasks/partials/editAssignees.vue

@@ -65,13 +65,12 @@ export default {
 			type: Number,
 			required: true,
 		},
-		initialAssignees: {
-			type: Array,
-			default: () => [],
-		},
 		disabled: {
 			default: false,
 		},
+		value: {
+			type: Array,
+		},
 	},
 	data() {
 		return {
@@ -83,19 +82,22 @@ export default {
 		}
 	},
 	created() {
-		this.assignees = this.initialAssignees
+		this.assignees = this.value
 		this.listUserService = new ListUserService()
 		this.newAssignee = new UserModel()
 		this.taskAssigneeService = new TaskAssigneeService()
 	},
 	watch: {
-		initialAssignees(newVal) {
+		value(newVal) {
 			this.assignees = newVal
 		},
 	},
 	methods: {
 		addAssignee(user) {
 			this.$store.dispatch('tasks/addAssignee', {user: user, taskId: this.taskId})
+				.then(() => {
+					this.$emit('input', this.assignees)
+				})
 				.catch(e => {
 					this.error(e, this)
 				})

src/views/tasks/TaskDetailView.vue

@@ -32,10 +32,10 @@
 							</div>
 							<edit-assignees
 								:disabled="!canWrite"
-								:initial-assignees="task.assignees"
 								:list-id="task.listId"
 								:task-id="task.id"
 								ref="assignees"
+								v-model="task.assignees"
 							/>
 						</div>
 						<div class="column" v-if="activeFields.priority">