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

console/controllers/AccountQueueController.php

@@ -1,8 +1,12 @@
 <?php
 namespace console\controllers;
 
-use common\components\RabbitMQ\Component as RabbitMQComponent;
+use common\components\Mojang\Api as MojangApi;
+use common\components\Mojang\exceptions\NoContentException;
+use common\models\amqp\UsernameChanged;
+use common\models\MojangUsername;
 use console\controllers\base\AmqpController;
+use Yii;
 
 class AccountQueueController extends AmqpController {
 
@@ -16,17 +20,38 @@ class AccountQueueController extends AmqpController {
 
     public function getExchangeDeclareArgs() {
         return array_replace(parent::getExchangeDeclareArgs(), [
-            1 => RabbitMQComponent::TYPE_DIRECT, // exchange-type -> direct
-            3 => false, // no-ack -> false
+            3 => true, // durable -> true
         ]);
     }
 
-    public function getQueueBindArgs($exchangeName, $queueName) {
-        return [$exchangeName, $queueName, '#']; // Мы хотим получать сюда все события по аккаунту
-    }
+    public function routeUsernameChanged(UsernameChanged $body) {
+        $mojangApi = new MojangApi();
+        try {
+            $response = $mojangApi->usernameToUUID($body->newUsername);
+        } catch (NoContentException $e) {
+            $response = false;
+        }
 
-    public function routeChangeUsername($body) {
-        // TODO: implement this
+        /** @var MojangUsername|null $mojangUsername */
+        $mojangUsername = MojangUsername::findOne($body->newUsername);
+        if ($response === false) {
+            if ($mojangUsername !== null) {
+                $mojangUsername->delete();
+            }
+        } else {
+            if ($mojangUsername === null) {
+                $mojangUsername = new MojangUsername();
+                $mojangUsername->username = $response->name;
+                $mojangUsername->uuid = $response->id;
+            } else {
+                $mojangUsername->uuid = $response->id;
+                $mojangUsername->touch('last_pulled_at');
+            }
+
+            $mojangUsername->save();
+        }
+
+        return true;
     }
 
 }

console/migrations/m160414_231110_account_nicknames_history.php

@@ -0,0 +1,37 @@
+<?php
+
+use console\db\Migration;
+
+class m160414_231110_account_nicknames_history extends Migration {
+
+    public function safeUp() {
+        $this->createTable('{{%usernames_history}}', [
+            'id' => $this->primaryKey(),
+            'username' => $this->string()->notNull(),
+            'account_id' => $this->getDb()->getSchema()->getTableSchema('{{%accounts}}')->getColumn('id')->dbType . ' NOT NULL',
+            'applied_in' => $this->integer()->notNull(),
+        ], $this->tableOptions);
+
+        $this->addForeignKey('FK_usernames_history_to_account', '{{%usernames_history}}', 'account_id', '{{%accounts}}', 'id', 'CASCADE', 'CASCADE');
+
+        $accountNicknames = $this->getDb()->createCommand('
+            SELECT id,
+                   username,
+                   updated_at
+              FROM {{%accounts}}
+        ')->queryAll();
+
+        foreach($accountNicknames as $row) {
+            $this->insert('{{%usernames_history}}', [
+                'username' => $row['username'],
+                'account_id' => $row['id'],
+                'applied_in' => $row['updated_at'],
+            ]);
+        }
+    }
+
+    public function safeDown() {
+        $this->dropTable('{{%usernames_history}}');
+    }
+
+}

console/migrations/m160422_230911_mojang_account_collisions.php

@@ -0,0 +1,21 @@
+<?php
+
+use console\db\Migration;
+
+class m160422_230911_mojang_account_collisions extends Migration {
+
+    public function safeUp() {
+        $this->createTable('{{%mojang_usernames}}', [
+            'username' => $this->string()->notNull(),
+            'uuid' => $this->string(32)->notNull(),
+            'last_pulled_at' => $this->integer()->unsigned()->notNull(),
+        ], $this->tableOptions);
+
+        $this->addPrimaryKey('username', '{{%mojang_usernames}}', 'username');
+    }
+
+    public function safeDown() {
+        $this->dropTable('{{%mojang_usernames}}');
+    }
+
+}