Group plan subscription (#8153)

* Added payment to groups and pay with group plan with Stripe

* Added edit card for Stripe

* Added stripe cancel

* Added subscribe with Amazon payments

* Added Amazon cancel for group subscription

* Added group subscription with paypal

* Added paypal cancel

* Added ipn cancel for Group plan

* Added a subscription tab and hid only the task tab when group is not subscribed

* Fixed linting issues

* Fixed tests

* Added payment unit tests

* Added back refresh after stripe payment

* Fixed style issues

* Limited grouop query fields and checked access

* Abstracted subscription schema

* Added year group plan and more access checks

* Maded purchase fields private

* Removed id and timestampes

* Added else checks to ensure user subscription is not altered. Removed active field from group model

* Added toJSONTransform function

* Moved plan active check to other toJson function

* Added check to see if purchaed has been populated

* Added purchase details to private

* Added correct data usage when paying for group sub

website/server/models/user/schema.js

@@ -8,6 +8,9 @@ import { schema as WebhookSchema } from '../webhook';
 import {
   schema as UserNotificationSchema,
 } from '../userNotification';
+import {
+  schema as SubscriptionPlanSchema,
+} from '../subscriptionPlan';
 
 const Schema = mongoose.Schema;
 
@@ -144,24 +147,9 @@ let schema = new Schema({
     }},
     txnCount: {type: Number, default: 0},
     mobileChat: Boolean,
-    plan: {
-      planId: String,
-      paymentMethod: String, // enum: ['Paypal','Stripe', 'Gift', 'Amazon Payments', '']}
-      customerId: String, // Billing Agreement Id in case of Amazon Payments
-      dateCreated: Date,
-      dateTerminated: Date,
-      dateUpdated: Date,
-      extraMonths: {type: Number, default: 0},
-      gemsBought: {type: Number, default: 0},
-      mysteryItems: {type: Array, default: () => []},
-      lastBillingDate: Date, // Used only for Amazon Payments to keep track of billing date
-      consecutive: {
-        count: {type: Number, default: 0},
-        offset: {type: Number, default: 0}, // when gifted subs, offset++ for each month. offset-- each new-month (cron). count doesn't ++ until offset==0
-        gemCapExtra: {type: Number, default: 0},
-        trinkets: {type: Number, default: 0},
-      },
-    },
+    plan: {type: SubscriptionPlanSchema, default: () => {
+      return {};
+    }},
   },
 
   flags: {