From 1f18b5053c44d418e3059a789cb9bdf40f3f9b10 Mon Sep 17 00:00:00 2001
From: Olivier Gayot <olivier.gayot@sigexec.com>
Date: Mon, 2 Nov 2020 00:03:20 +0100
Subject: also add the JoinError exception type

Signed-off-by: Olivier Gayot <olivier.gayot@sigexec.com>
---
 swiftstory/Client.py     | 7 +++++--
 swiftstory/Game.py       | 6 +++---
 swiftstory/SwiftStory.py | 5 ++++-
 swiftstory/exception.py  | 3 +++
 4 files changed, 15 insertions(+), 6 deletions(-)

(limited to 'swiftstory')

diff --git a/swiftstory/Client.py b/swiftstory/Client.py
index 93ea232..a84783d 100644
--- a/swiftstory/Client.py
+++ b/swiftstory/Client.py
@@ -1,7 +1,7 @@
 import asyncio
 import logging
 
-from swiftstory.exception import WrongAction
+from swiftstory.exception import WrongAction, UnsupportedLanguage, JoinError
 
 
 class Client:
@@ -19,7 +19,10 @@ class Client:
         if lang is None:
             lang = 'en'
 
-        game = self.game_manager.join_game(game_name, lang)
+        try:
+            game = self.game_manager.join_game(game_name, lang)
+        except UnsupportedLanguage as e:
+            raise JoinError(f"unsupported language: {str(e)}") from e
         # XXX self.game will be assigned by game.try_join()
 
         return game.try_join(self)
diff --git a/swiftstory/Game.py b/swiftstory/Game.py
index 0df2e16..0057bc7 100644
--- a/swiftstory/Game.py
+++ b/swiftstory/Game.py
@@ -1,6 +1,6 @@
 import random
 
-from swiftstory.exception import WrongAction
+from swiftstory.exception import WrongAction, JoinError
 from swiftstory.Player import Player
 from swiftstory.Board import Board
 from swiftstory.Status import error, success
@@ -30,7 +30,7 @@ class Game:
 
     def try_join(self, client):
         if len(self.players) >= 10:
-            return error('too many players in this game')
+            raise JoinError('too many players in this game')
 
         cards = []
 
@@ -38,7 +38,7 @@ class Game:
             for _ in range(10):
                 cards.append(self.board.pick_white_card())
         except IndexError:
-            return error('no enough white cards for player')
+            raise JoinError('not enough white cards for player')
 
         player = Player(client)
 
diff --git a/swiftstory/SwiftStory.py b/swiftstory/SwiftStory.py
index b81b0c3..17d88fe 100644
--- a/swiftstory/SwiftStory.py
+++ b/swiftstory/SwiftStory.py
@@ -8,7 +8,7 @@ import logging
 import websockets
 
 import swiftstory.GameManager
-from swiftstory.exception import WrongAction
+from swiftstory.exception import WrongAction, JoinError
 from swiftstory.Client import Client
 from swiftstory.Status import error
 
@@ -65,6 +65,9 @@ def message_received_handler(client, message):
         return error('invalid command')
     except WrongAction as e:
         return error(str(e))
+    except JoinError as e:
+        logging.warning("player could not join game: %s", e.__repr__())
+        return error(str(e))
 
 
 async def connection_handler(websocket, path):
diff --git a/swiftstory/exception.py b/swiftstory/exception.py
index ac2a074..764289f 100644
--- a/swiftstory/exception.py
+++ b/swiftstory/exception.py
@@ -4,3 +4,6 @@ class WrongAction(Exception):
 
 class UnsupportedLanguage(Exception):
     pass
+
+class JoinError(Exception):
+    pass
-- 
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