Clear out abstract class constructors that aren't needed.

Move start command to the system commands.

src/Commands/Admin/AbstractAdminCommand.php

@@ -10,20 +10,10 @@
 
 namespace Longman\TelegramBot\Commands;
 
-use Longman\TelegramBot\Telegram;
-
 /**
  * Abstract Admin Command Class
  */
 abstract class AdminCommand extends Command
 {
-    /**
-     * Constructor
-     *
-     * @param Telegram $telegram
-     */
-    public function __construct(Telegram $telegram)
-    {
-        parent::__construct($telegram);
-    }
+
 }

src/Commands/System/AbstractSystemCommand.php

@@ -10,20 +10,22 @@
 
 namespace Longman\TelegramBot\Commands;
 
-use Longman\TelegramBot\Telegram;
-
 /**
  * Abstract System Command Class
  */
 abstract class SystemCommand extends Command
 {
     /**
-     * Constructor
+     * A system command just executes
+     *
+     * Although system commands should just work and return 'true',
+     * each system command can override this method to add custom functionality.
      *
-     * @param Telegram $telegram
+     * @return bool
      */
-    public function __construct(Telegram $telegram)
+    public function execute()
     {
-        parent::__construct($telegram);
+        //System command, do nothing
+        return true;
     }
 }

src/Commands/User/StartCommand.php → src/Commands/System/StartCommand.php

@@ -8,22 +8,22 @@
  * file that was distributed with this source code.
  */
 
-namespace Longman\TelegramBot\Commands\UserCommands;
+namespace Longman\TelegramBot\Commands\SystemCommands;
 
-use Longman\TelegramBot\Commands\UserCommand;
+use Longman\TelegramBot\Commands\SystemCommand;
 use Longman\TelegramBot\Request;
 
 /**
  * Start command
  */
-class StartCommand extends UserCommand
+class StartCommand extends SystemCommand
 {
     /**#@+
      * {@inheritdoc}
      */
     protected $name = 'start';
     protected $description = 'Start command';
-    protected $usage = '/';
+    protected $usage = '/start';
     protected $version = '1.0.1';
     /**#@-*/
 

src/Commands/User/AbstractUserCommand.php

@@ -10,20 +10,10 @@
 
 namespace Longman\TelegramBot\Commands;
 
-use Longman\TelegramBot\Telegram;
-
 /**
  * Abstract User Command Class
  */
 abstract class UserCommand extends Command
 {
-    /**
-     * Constructor
-     *
-     * @param Telegram $telegram
-     */
-    public function __construct(Telegram $telegram)
-    {
-        parent::__construct($telegram);
-    }
+
 }