Add message of cancelled quest in party chat (#11106)

* Add message of cancelled quest in party chat

Issue #11093

* Delete trailing spaces

For successful passing the test

* Add test of cancelled quest's message

Also, added an explanation that partyMembers[1] hasn't accepted the invitation in the 'cancels a quest' test

* Fix: import Group

Import Group to pass Lint syntax test

* Move save function to Promise.all

* Fix moving save to Promise.all

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

@@ -363,17 +363,22 @@ api.cancelQuest = {
     if (validationErrors) throw validationErrors;
 
     let group = await Group.getGroup({user, groupId, fields: basicGroupFields.concat(' quest')});
+
     if (!group) throw new NotFound(res.t('groupNotFound'));
     if (group.type !== 'party') throw new NotAuthorized(res.t('guildQuestsNotSupported'));
     if (!group.quest.key) throw new NotFound(res.t('questInvitationDoesNotExist'));
     if (user._id !== group.leader && group.quest.leader !== user._id) throw new NotAuthorized(res.t('onlyLeaderCancelQuest'));
     if (group.quest.active) throw new NotAuthorized(res.t('cantCancelActiveQuest'));
 
+    let questName = questScrolls[group.quest.key].text('en');
+    const newChatMessage = group.sendChat(`\`${user.profile.name} cancelled the party quest ${questName}.\``);
+
     group.quest = Group.cleanGroupQuest();
     group.markModified('quest');
 
     let [savedGroup] = await Promise.all([
       group.save(),
+      newChatMessage.save(),
       User.update(
         {'party._id': groupId},
         Group.cleanQuestParty(),
@@ -405,7 +410,7 @@ api.abortQuest = {
   url: '/groups/:groupId/quests/abort',
   middlewares: [authWithHeaders()],
   async handler (req, res) {
-    // Abort a quest AFTER it has begun (see questCancel for BEFORE)
+    // Abort a quest AFTER it has begun
     let user = res.locals.user;
     let groupId = req.params.groupId;