modified: bot.py

bot.py

@@ -356,19 +356,31 @@ def save_giveaway_to_db(guild_id, platform, name, prize_uuid, game_key):
 
 def save_winner_to_db(guild_id, platform, name, winner_dc_id, game_key="PREDEFINED_GAME_KEY"):
     """Erstellt einen eigenen Datenbankeintrag für jeden Gewinner mit eigener UUID"""
-    connection = connect_to_database()
-    cursor = connection.cursor()
-    winner_uuid = uuid.uuid4()
-    insert_query = """
-    INSERT INTO giveaway_data (guild_id, uuid, platform, name, game_key, winner_dc_id)
-    VALUES (%s, %s, %s, %s, %s, %s)
-    """
-    data = (guild_id, str(winner_uuid), platform, name, game_key, winner_dc_id)
-    cursor.execute(insert_query, data)
-    connection.commit()
-    cursor.close()
-    connection.close()
-    return winner_uuid
+    connection = None
+    cursor = None
+    try:
+        connection = connect_to_database()
+        cursor = connection.cursor()
+        winner_uuid = uuid.uuid4()
+        insert_query = """
+        INSERT INTO giveaway_data (guild_id, uuid, platform, name, game_key, winner_dc_id)
+        VALUES (%s, %s, %s, %s, %s, %s)
+        """
+        data = (guild_id, str(winner_uuid), platform, name, game_key, winner_dc_id)
+        cursor.execute(insert_query, data)
+        connection.commit()
+        logger.info(f"Successfully saved winner to database: UUID={winner_uuid}, winner_dc_id={winner_dc_id}")
+        return winner_uuid
+    except Exception as e:
+        logger.error(f"Error saving winner to database: {e}")
+        if connection:
+            connection.rollback()
+        raise e
+    finally:
+        if cursor:
+            cursor.close()
+        if connection:
+            connection.close()
 
 def update_winner_in_db(guild_id, prize_uuid, winner_dc_id):
     connection = connect_to_database()
@@ -410,7 +422,16 @@ class Giveaway:
         return datetime.now() >= self.end_time
 
     def pick_winners(self):
-        return random.sample(self.participants, min(self.num_winners, len(self.participants)))
+        available_participants = len(self.participants)
+        winners_to_pick = min(self.num_winners, available_participants)
+        logger.info(f"Picking winners: requested={self.num_winners}, available_participants={available_participants}, winners_to_pick={winners_to_pick}")
+        
+        if winners_to_pick == 0:
+            return []
+        
+        winners = random.sample(self.participants, winners_to_pick)
+        logger.info(f"Selected {len(winners)} winners: {[winner.name for winner in winners]}")
+        return winners
 
 @client.hybrid_command()
 async def startgiveaway(ctx, platform: str, prize: str, num_winners: int, title: str, subtitle: str, duration: str):
@@ -600,12 +621,18 @@ async def check_giveaway(giveaway_id):
             await giveaway.ctx.send(f"🎉 Congratulations to the winners of the giveaway '{giveaway.title}'! The winners are: {winner_mentions}")
 
             # Notify and update the winners - Erstelle für jeden Gewinner einen eigenen DB-Eintrag
-            for winner in winners:
-                user_data = load_user_data(winner.id, giveaway.guild_id)
-                # Erstelle einen eigenen Datenbankeintrag für diesen Gewinner mit eigener UUID
-                winner_uuid = save_winner_to_db(giveaway.guild_id, giveaway.platform, giveaway.title, winner.id)
-                await winner.send(f"🎁 Congratulations! You won the giveaway '{giveaway.title}'!\n"
-                                  f"Please claim your prize using the following link: {GIVEAWAY_WEBSITE_URL}{giveaway.guild_id}/{winner_uuid}")
+            logger.info(f"Processing {len(winners)} winners for giveaway '{giveaway.title}'")
+            for i, winner in enumerate(winners):
+                try:
+                    user_data = load_user_data(winner.id, giveaway.guild_id)
+                    # Erstelle einen eigenen Datenbankeintrag für diesen Gewinner mit eigener UUID
+                    logger.info(f"Creating database entry for winner {i+1}/{len(winners)}: {winner.name} (ID: {winner.id})")
+                    winner_uuid = save_winner_to_db(giveaway.guild_id, giveaway.platform, giveaway.title, winner.id)
+                    logger.info(f"Created winner entry with UUID: {winner_uuid}")
+                    await winner.send(f"🎁 Congratulations! You won the giveaway '{giveaway.title}'!\n"
+                                      f"Please claim your prize using the following link: {GIVEAWAY_WEBSITE_URL}{giveaway.guild_id}/{winner_uuid}")
+                except Exception as e:
+                    logger.error(f"Error processing winner {winner.name}: {e}")
         else:
             await giveaway.ctx.send(f"The giveaway '{giveaway.title}' has ended, but there were no participants.")