В проект внедрён RabbitMQ.

Контроллер для работы с RabbitMQ научился создавать типизированные аргументы для $body
Добавлена таблица с историей ников
Добавлена таблица Mojang ников
Добавлена проверка активированности аккаунта в AccountsController

api/controllers/AccountsController.php

@@ -16,10 +16,20 @@ class AccountsController extends Controller {
                 'class' => AccessControl::class,
                 'rules' => [
                     [
-                        'actions' => ['current', 'change-password', 'change-username'],
+                        'actions' => ['current'],
                         'allow' => true,
                         'roles' => ['@'],
                     ],
+                    [
+                        'actions' => ['change-password', 'change-username'],
+                        'allow' => true,
+                        'roles' => ['@'],
+                        'matchCallback' => function() {
+                            /** @var Account $account */
+                            $account = Yii::$app->user->identity;
+                            return $account->status > Account::STATUS_REGISTERED;
+                        },
+                    ],
                 ],
             ],
         ]);
@@ -29,6 +39,7 @@ class AccountsController extends Controller {
         return [
             'current' => ['GET'],
             'change-password' => ['POST'],
+            'change-username' => ['POST'],
         ];
     }
 
@@ -44,6 +55,7 @@ class AccountsController extends Controller {
             'shouldChangePassword' => $account->password_hash_strategy === Account::PASS_HASH_STRATEGY_OLD_ELY,
             'isActive' => $account->status === Account::STATUS_ACTIVE,
             'passwordChangedAt' => $account->password_changed_at,
+            'hasMojangUsernameCollision' => $account->hasMojangUsernameCollision(),
         ];
     }
 

api/models/ChangeUsernameForm.php

@@ -2,8 +2,13 @@
 namespace api\models;
 
 use api\models\base\PasswordProtectedForm;
+use common\helpers\Amqp;
 use common\models\Account;
+use common\models\amqp\UsernameChanged;
+use common\models\UsernameHistory;
+use PhpAmqpLib\Message\AMQPMessage;
 use Yii;
+use yii\base\ErrorException;
 use yii\helpers\ArrayHelper;
 
 class ChangeUsernameForm extends PasswordProtectedForm {
@@ -30,10 +35,52 @@ class ChangeUsernameForm extends PasswordProtectedForm {
             return false;
         }
 
+        $transaction = Yii::$app->db->beginTransaction();
         $account = $this->getAccount();
-        $account->username = $this->username;
+        $oldNickname = $account->username;
+        try {
+            $account->username = $this->username;
+            if (!$account->save()) {
+                throw new ErrorException('Cannot save account model with new username');
+            }
 
-        return $account->save();
+            $usernamesHistory = new UsernameHistory();
+            $usernamesHistory->account_id = $account->id;
+            $usernamesHistory->username = $account->username;
+            if (!$usernamesHistory->save()) {
+                throw new ErrorException('Cannot save username history record');
+            }
+
+            $transaction->commit();
+        } catch (ErrorException $e) {
+            $transaction->rollBack();
+            throw $e;
+        }
+
+        $this->createTask($account->id, $account->username, $oldNickname);
+
+        return true;
+    }
+
+    /**
+     * TODO: вынести это в отдельную сущность, т.к. эта команда используется внутри формы регистрации
+     *
+     * @param integer $accountId
+     * @param string  $newNickname
+     * @param string  $oldNickname
+     */
+    public function createTask($accountId, $newNickname, $oldNickname) {
+        $message = Amqp::getInstance()->prepareMessage(new UsernameChanged([
+            'accountId' => $accountId,
+            'oldUsername' => $oldNickname,
+            'newUsername' => $newNickname,
+        ]), [
+            'delivery_mode' => AMQPMessage::DELIVERY_MODE_PERSISTENT,
+        ]);
+
+        Amqp::sendToExchange('account', 'username-changed', $message, [
+            3 => true, // durable -> true
+        ]);
     }
 
 }

api/models/RegistrationForm.php

@@ -95,6 +95,9 @@ class RegistrationForm extends ApiForm {
             throw $e;
         }
 
+        $changeUsernameForm = new ChangeUsernameForm();
+        $changeUsernameForm->createTask($account->id, $account->username, null);
+
         return $account;
     }