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/subscriptionPlan.js

@@ -0,0 +1,32 @@
+import mongoose from 'mongoose';
+import baseModel from '../libs/baseModel';
+
+export let schema = new mongoose.Schema({
+  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},
+  },
+}, {
+  strict: true,
+  minimize: false, // So empty objects are returned
+  _id: false,
+});
+
+schema.plugin(baseModel, {
+  noSet: ['_id'],
+  timestamps: false,
+});
+
+export let model = mongoose.model('SubscriptionPlan', schema);