#50 Add user state response (#80)

src/responses/user-state-response.js

@@ -0,0 +1,30 @@
+import Response from './response';
+import objectAssign from 'object-assign';
+
+/**
+ * User state response. Used to update user's state with new values.
+ * While updating unspecified keys remain untouched. Specified keys are
+ * updated.
+ *
+ * @author Roman Pushkin (roman.pushkin@gmail.com)
+ * @extends {Response}
+ * @date 2016-06-16
+ * @version 1.1
+ * @since 0.1.0
+ */
+export default class UserStateResponse extends Response {
+  /**
+   * Constructor.
+   *
+   * @type {Object}
+   * @example
+   * r = new UserStateResponse({phone: '555-111-22-33'});
+   * console.log(r.type); // prints "user-state"
+   * console.log(r.phone); // prints "555-111-22-33"
+   */
+  constructor(options) {
+    const opts = objectAssign({ type: 'user-state' }, options);
+    super(opts);
+    objectAssign(this, opts);
+  }
+}

src/validations/supported-response-types.js

@@ -14,4 +14,4 @@
  *   console.log('response with type "something" is not supported');
  * }
  */
-export default new Set(['text', 'redirect', 'options', 'error']);
+export default new Set(['text', 'redirect', 'options', 'error', 'user-state']);

test/responses/user-state-response-test.js

@@ -0,0 +1,15 @@
+/* eslint-disable no-new */
+import test from 'ava';
+import UserStateResponse from '../../src/responses/user-state-response';
+
+test('can be constructed with default parameters', t => {
+  new UserStateResponse({ foo: 1 });
+  t.pass();
+});
+
+test('should save properties and have \'user-state\' type', t => {
+  const r = new UserStateResponse({ foo: 1, bar: 2 });
+  t.is(r.foo, 1);
+  t.is(r.bar, 2);
+  t.is(r.type, 'user-state');
+});