Group Tasks Shared Completion (#10515)

* WIP(groups): add shared completion prop
Also fix an issue where the Needs Approval toggle would not read/save 
correctly.

* fix(groups): save group options on task create
Also, correct count of assigned members when viewing user is among 
assignments

* fix(groups): display correct messages in two places

* fix(tasks): eliminate console error related to filtering
Also localize a group plans string

* WIP(groups): implement single completion for approval workflow

* WIP(groups): Add shared completion handling to no-approval-needed flow

* WIP(groups): cover approval flow case for all-assigned
Also save new field on initial task creation

* fix(tasks): use default sharedCompletion value when creating tasks

* WIP(tests): non-working draft test

* Added completed todo to group query

* WIP(group-tasks): fix bugs, add tests

* refactor(group-tasks): deleteMany op, add more tests

* refactor(group-tasks): move shared completion handling to lib

* WIP(group-tasks): broken refactor

* WIP(group-tasks): await all the things

* Turned complete master task to save

* WIP(group-tasks): show completed

* fix(filtering): don't try to filter if no list is passed

* refactor(group-tasks): load completed to-dos on demand, not at start

* fix(group-tasks): don't double up on repeat visits

* fix(group-tasks): include brief explanation in dropdown

* fix(group-tasks): improve wording some more

website/server/controllers/api-v3/tasks.js

@@ -5,6 +5,7 @@ import {
 } from '../../libs/webhook';
 import { removeFromArray } from '../../libs/collectionManipulators';
 import * as Tasks from '../../models/task';
+import { handleSharedCompletion } from '../../libs/groupTasks';
 import { model as Challenge } from '../../models/challenge';
 import { model as Group } from '../../models/group';
 import { model as User } from '../../models/user';
@@ -490,6 +491,9 @@ api.updateTask = {
     if (sanitizedObj.requiresApproval) {
       task.group.approval.required = true;
     }
+    if (sanitizedObj.sharedCompletion) {
+      task.group.sharedCompletion = sanitizedObj.sharedCompletion;
+    }
 
     setNextDue(task, user);
     let savedTask = await task.save();
@@ -653,6 +657,12 @@ api.scoreTask = {
       user.save(),
       task.save(),
     ];
+
+    if (task.group && task.group.taskId) {
+      await handleSharedCompletion(task);
+    }
+
+    // Save results and handle request
     if (taskOrderPromise) promises.push(taskOrderPromise);
     let results = await Promise.all(promises);
 

website/server/controllers/api-v3/tasks/groups.js

@@ -12,10 +12,13 @@ import {
   getTasks,
   moveTask,
 } from '../../../libs/taskManager';
+import { handleSharedCompletion } from '../../../libs/groupTasks';
 import apiError from '../../../libs/apiError';
 
 let requiredGroupFields = '_id leader tasksOrder name';
+// @TODO: abstract to task lib
 let types = Tasks.tasksTypes.map(type => `${type}s`);
+types.push('completedTodos', '_allCompletedTodos'); // _allCompletedTodos is currently in BETA and is likely to be removed in future
 
 function canNotEditTasks (group, user, assignedUserId) {
   let isNotGroupLeader = group.leader !== user._id;
@@ -338,7 +341,7 @@ api.approveTask = {
     }
 
     // Remove old notifications
-    let managerPromises = [];
+    let approvalPromises = [];
     managers.forEach((manager) => {
       let notificationIndex = manager.notifications.findIndex(function findNotification (notification) {
         return notification && notification.data && notification.data.taskId === task._id && notification.type === 'GROUP_TASK_APPROVAL';
@@ -346,7 +349,7 @@ api.approveTask = {
 
       if (notificationIndex !== -1) {
         manager.notifications.splice(notificationIndex, 1);
-        managerPromises.push(manager.save());
+        approvalPromises.push(manager.save());
       }
     });
 
@@ -362,9 +365,11 @@ api.approveTask = {
       direction,
     });
 
-    managerPromises.push(task.save());
-    managerPromises.push(assignedUser.save());
-    await Promise.all(managerPromises);
+    await handleSharedCompletion(task);
+
+    approvalPromises.push(task.save());
+    approvalPromises.push(assignedUser.save());
+    await Promise.all(approvalPromises);
 
     res.respond(200, task);
   },