From 4c5f0370a09a6f341ce93a9bddba61c0a8035116 Mon Sep 17 00:00:00 2001
From: Kodi Craft <kodi@kdcf.me>
Date: Wed, 4 Sep 2024 11:27:45 +0200
Subject: [PATCH] Add function for removing game from GameCoordinator

---
 apps/amethyst/lib/apps/game_coordinator.ex | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/apps/amethyst/lib/apps/game_coordinator.ex b/apps/amethyst/lib/apps/game_coordinator.ex
index d9b3ad6..44a6004 100644
--- a/apps/amethyst/lib/apps/game_coordinator.ex
+++ b/apps/amethyst/lib/apps/game_coordinator.ex
@@ -21,6 +21,7 @@ defmodule Amethyst.GameCoordinator do
   The game coordinator is responsible for keeping track of active
   instances of each game and can create new ones on demand.
   """
+  require Logger
 
   defmodule State do
     @moduledoc """
@@ -73,6 +74,12 @@ defmodule Amethyst.GameCoordinator do
     end
   end
 
+  @impl true
+  def handle_cast({:remove, gid}, state) do
+    {games, state} = _remove(gid, state)
+    {:noreply, state}
+  end
+
   @spec _create(atom(), State.t()) :: {Game.t(), State.t()}
   defp _create(type, state) do
     # Create a DynamicSupervisor for this game
@@ -92,6 +99,7 @@ defmodule Amethyst.GameCoordinator do
       mod: type, refs: refs, opts: [], gid: state.gid
     }
     games = state.games |> Map.put(state.gid, game)
+    Logger.info("Created new game #{inspect(game)}")
     {game, %State{gid: state.gid + 1, games: games}}
   end
 
@@ -102,6 +110,11 @@ defmodule Amethyst.GameCoordinator do
     end
   end
 
+  defp _remove(gid, state) do
+    games = state.games |> Map.delete(gid)
+    {games, %State{state | games: games}}
+  end
+
   def create(type) when is_atom(type) do
     GenServer.call({:global, __MODULE__}, {:create, type})
   end
@@ -111,4 +124,7 @@ defmodule Amethyst.GameCoordinator do
   def find_or_create(type) when is_atom(type) do
     GenServer.call({:global, __MODULE__}, {:find_or_create, type})
   end
+  def remove(gid) when is_integer(gid) do
+    GenServer.cast({:global, __MODULE__}, {:remove, gid})
+  end
 end