From 7a17ff3bfa3aa685d9ce4d97d180ce7156784663 Mon Sep 17 00:00:00 2001
From: Randall Morey <randall@randallmorey.com>
Date: Fri, 18 Sep 2020 10:59:07 -0400
Subject: [PATCH] =?UTF-8?q?feat:=20=F0=9F=8E=B8=20add=20support=20for=20cu?=
 =?UTF-8?q?stom=20cancel=20session=20method?=
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---
 addons/api/addon/generated/models/session.js  |  5 +++
 addons/api/addon/models/session.js            | 28 +++++++++++++++--
 addons/api/addon/serializers/session.js       | 31 +++++++++++++++++++
 addons/api/app/serializers/session.js         |  1 +
 .../tests/unit/serializers/session-test.js    | 31 +++++++++++++++++++
 5 files changed, 94 insertions(+), 2 deletions(-)
 create mode 100644 addons/api/addon/serializers/session.js
 create mode 100644 addons/api/app/serializers/session.js
 create mode 100644 addons/api/tests/unit/serializers/session-test.js

diff --git a/addons/api/addon/generated/models/session.js b/addons/api/addon/generated/models/session.js
index c4dd740c9..ee751a988 100644
--- a/addons/api/addon/generated/models/session.js
+++ b/addons/api/addon/generated/models/session.js
@@ -27,4 +27,9 @@ export default class GeneratedSessionModel extends BaseModel {
   })
   updated_time;
 
+  @attr('number', {
+    description: 'Current version number of this resource.',
+  })
+  version;
+
 }
diff --git a/addons/api/addon/models/session.js b/addons/api/addon/models/session.js
index a624fb6b0..b37f08fc2 100644
--- a/addons/api/addon/models/session.js
+++ b/addons/api/addon/models/session.js
@@ -1,3 +1,27 @@
-import Model from '@ember-data/model';
+import GeneratedSessionModel from '../generated/models/session';
 
-export default class SessionModel extends Model { }
+export default class SessionModel extends GeneratedSessionModel {
+
+  // =methods
+
+  /**
+   * Cancels the session via the `cancel` method.
+   * See serializer and adapter for more information.
+   * @param {object} options
+   * @param {object} options.adapterOptions
+   * @return {Promise}
+   */
+  cancelSession(options = { adapterOptions: {} }) {
+    const defaultAdapterOptions = {
+      method: 'cancel',
+    };
+    return this.save({
+      ...options,
+      adapterOptions: {
+        ...defaultAdapterOptions,
+        ...options.adapterOptions,
+      },
+    });
+  }
+
+}
diff --git a/addons/api/addon/serializers/session.js b/addons/api/addon/serializers/session.js
new file mode 100644
index 000000000..d8d5ea7f8
--- /dev/null
+++ b/addons/api/addon/serializers/session.js
@@ -0,0 +1,31 @@
+import ApplicationSerializer from './application';
+
+export default class SessionSerializer extends ApplicationSerializer {
+  // =methods
+
+  /**
+   * If `adapterOptions.method` is `cancel`, the serialization should
+   * include the version field only.
+   * @override
+   * @param {Snapshot} snapshot
+   * @return {object}
+   */
+  serialize(snapshot) {
+    let serialized = super.serialize(...arguments);
+    if (snapshot?.adapterOptions?.method === 'cancel') {
+      serialized = this.serializeForCancel(snapshot);
+    }
+    return serialized;
+  }
+
+  /**
+   * Returns a payload containing only version
+   * @param {Snapshot} snapshot
+   * @return {object}
+   */
+  serializeForCancel(snapshot) {
+    return {
+      version: snapshot.attr('version'),
+    };
+  }
+}
diff --git a/addons/api/app/serializers/session.js b/addons/api/app/serializers/session.js
new file mode 100644
index 000000000..407fe5c23
--- /dev/null
+++ b/addons/api/app/serializers/session.js
@@ -0,0 +1 @@
+export { default } from 'api/serializers/session';
diff --git a/addons/api/tests/unit/serializers/session-test.js b/addons/api/tests/unit/serializers/session-test.js
new file mode 100644
index 000000000..fde7c215f
--- /dev/null
+++ b/addons/api/tests/unit/serializers/session-test.js
@@ -0,0 +1,31 @@
+import { module, test } from 'qunit';
+import { setupTest } from 'ember-qunit';
+
+module('Unit | Serializer | session', function(hooks) {
+  setupTest(hooks);
+
+  // Replace this with your real tests.
+  test('it exists', function(assert) {
+    let store = this.owner.lookup('service:store');
+    let serializer = store.serializerFor('session');
+
+    assert.ok(serializer);
+  });
+
+  test('it serializes only version when `adapterOptions.method` is `cancel`', function (assert) {
+    assert.expect(1);
+    const store = this.owner.lookup('service:store');
+    const serializer = store.serializerFor('session');
+    const record = store.createRecord('session', {
+      version: 1,
+    });
+    const snapshot = record._createSnapshot();
+    snapshot.adapterOptions = {
+      method: 'cancel',
+    };
+    const serializedRecord = serializer.serialize(snapshot);
+    assert.deepEqual(serializedRecord, {
+      version: 1,
+    });
+  });
+});