Group migrations (#8528)

* Added create group migration

* Add migration for unlimited group subscription

* Add migration to update group members with group plans

* Added error catch

* Added comments

migrations/groups/update-groups-with-group-plans.js

@@ -0,0 +1,29 @@
+var migrationName = 'ResyncGroupPlanMembers';
+var authorName = 'TheHollidayInn'; // in case script author needs to know when their ...
+var authorUuid = ''; //... own data is done
+
+/*
+ * This migrations will iterate through all groups with a group plan a subscription and resync the free
+ * subscription to all members
+ */
+
+import Bluebird from 'bluebird';
+
+import { model as Group } from '../../website/server/models/group';
+import * as payments from '../../website/server/libs/payments';
+
+async function updateGroupsWithGroupPlans () {
+    let groups = await Group.find({
+      'purchased.plan.customerId': 'group-unlimited',
+    }).exec();
+
+    let promises = [];
+    groups.forEach(function(group) {
+      promises.push(payments.addSubscriptionToGroupUsers(group));
+      promises.push(group.save())
+    });
+
+    return await Bluebird.all(promises);
+};
+
+module.exports = updateGroupsWithGroupPlans;