new file: api functions

api_functions.py

@@ -0,0 +1,26 @@
+def isEnd(cur, trueChatID):
+    # cur.execute(f"SELECT ChatID FROM Chats WHERE TrueChatID = '{trueChatID}'")
+    # row = cur.fetchall()
+    # chatID = row[0]
+    #
+    # cur.execute(f"SELECT UserID FROM UsersChats WHERE ChatID = '{chatID}'")
+    # usersIDs = cur.fetchall()
+    #
+    # allAlive = True
+    # for id in usersIDs:
+    #     cur.execute(f"SELECT isAlive FROM Users WHERE UserID = '{id}', role = ")
+    #     row = cur.fetchall()
+    #     if row[0] == False:
+    #         allAlive = False
+
+    cur.execute(f"Select role from chats join userschats uc on uc.chatid = chats.chatid join "
+                f"users on users.userid = uc.userid where truechatid = '{trueChatID}' and isAlive = true")
+    roles = cur.fetchall()
+
+    m = roles.count(4)
+    if m == 0:
+        return "citizens"
+    elif m >= len(roles) - m:
+        return "mafia"
+
+    return ""