Updated subscription created/canceled events data

refs https://github.com/TryGhost/Team/issues/1865

- adds new subscription canceled event
- updates existing subscription created event to include tier id and source data

ghost/member-events/index.js

@@ -8,5 +8,6 @@ module.exports = {
     MemberPaidCancellationEvent: require('./lib/MemberPaidCancellationEvent'),
     MemberPageViewEvent: require('./lib/MemberPageViewEvent'),
     SubscriptionCreatedEvent: require('./lib/SubscriptionCreatedEvent'),
-    MemberCommentEvent: require('./lib/MemberCommentEvent')
+    MemberCommentEvent: require('./lib/MemberCommentEvent'),
+    SubscriptionCancelledEvent: require('./lib/SubscriptionCancelledEvent')
 };

ghost/member-events/lib/SubscriptionCancelledEvent.js

@@ -0,0 +1,26 @@
+/**
+ * @typedef {object} SubscriptionCancelledEventData
+ * @prop {string} source
+ * @prop {string} memberId
+ * @prop {string} tierId
+ * @prop {string} subscriptionId
+ */
+
+module.exports = class SubscriptionCancelledEvent {
+    /**
+     * @param {SubscriptionCancelledEventData} data
+     * @param {Date} timestamp
+     */
+    constructor(data, timestamp) {
+        this.data = data;
+        this.timestamp = timestamp;
+    }
+
+    /**
+     * @param {SubscriptionCancelledEventData} data
+     * @param {Date} [timestamp]
+     */
+    static create(data, timestamp) {
+        return new SubscriptionCancelledEvent(data, timestamp || new Date);
+    }
+};

ghost/member-events/lib/SubscriptionCreatedEvent.js

@@ -1,6 +1,8 @@
 /**
  * @typedef {object} SubscriptionCreatedEventData
+ * @prop {string} source
  * @prop {string} memberId
+ * @prop {string} tierId
  * @prop {string} subscriptionId
  * @prop {string} offerId
  * @prop {import('@tryghost/member-attribution/lib/attribution').Attribution} [attribution]