From 88a121db968de07880037ffcc05462ef65cfaa2e Mon Sep 17 00:00:00 2001
From: ks129 <45097959+ks129@users.noreply.github.com>
Date: Tue, 7 Apr 2020 17:02:16 +0300
Subject: (TicTacToe): Created check `is_requester_free`.

---
 bot/exts/evergreen/tic_tac_toe.py | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/bot/exts/evergreen/tic_tac_toe.py b/bot/exts/evergreen/tic_tac_toe.py
index 301cb9ff..90f916ef 100644
--- a/bot/exts/evergreen/tic_tac_toe.py
+++ b/bot/exts/evergreen/tic_tac_toe.py
@@ -89,6 +89,13 @@ class TicTacToe(Cog):
             return all(game.channel != ctx.channel for game in ctx.cog.games)
         return check(predicate)
 
+    @staticmethod
+    def is_requester_free() -> t.Callable:
+        """Check is requester not already in any game."""
+        async def predicate(ctx: Context) -> bool:
+            return all(ctx.author not in (player.user for player in game.players) for game in ctx.cog.games)
+        return check(predicate)
+
 
 def setup(bot: SeasonalBot) -> None:
     """Load TicTacToe Cog."""
-- 
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