Implemented RankingCommand

src/Command/Data/Cli.php

@@ -18,9 +18,10 @@ public function __construct(Db $db)
         $this->commands->attach(new AutocompleteBlackCommand($db));
         $this->commands->attach(new AutocompleteEventCommand($db));
         $this->commands->attach(new AutocompleteWhiteCommand($db));
+        $this->commands->attach(new RankingCommand($db));
+        $this->commands->attach(new ResultCommand($db));
         $this->commands->attach(new ResultEventCommand($db));
         $this->commands->attach(new ResultPlayerCommand($db));
-        $this->commands->attach(new ResultCommand($db));
         $this->commands->attach(new SearchCommand($db));
     }
 

src/Command/Data/RankingCommand.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace ChessServer\Command\Data;
+
+use ChessServer\Db;
+use ChessServer\Command\AbstractCommand;
+use ChessServer\Socket\AbstractSocket;
+
+class RankingCommand extends AbstractCommand
+{
+    public function __construct(Db $db)
+    {
+        parent::__construct($db);
+
+        $this->name = '/ranking';
+        $this->description = 'Top players by ELO.';
+    }
+
+    public function validate(array $argv)
+    {
+        return count($argv) - 1 === 0;
+    }
+
+    public function run(AbstractSocket $socket, array $argv, int $id)
+    {
+        $sql = "SELECT username, elo FROM users WHERE lastLoginAt IS NOT NULL ORDER BY elo DESC LIMIT 100";
+
+        $arr = $this->db->query($sql)->fetchAll(\PDO::FETCH_ASSOC);
+
+        return $socket->getClientStorage()->send([$id], [
+            $this->name => $arr,
+        ]);
+    }
+}