Updated mab version; added filters support

bot_callbacks.py

@@ -4,7 +4,7 @@ import html
 import time
 import traceback
 
-from mab import MatrixBot
+from mab import MatrixBot, TextCommandFilter
 from nio import MatrixRoom, RoomMessageText
 
 import util
@@ -17,6 +17,18 @@ from datatypes import *
 _bot: MatrixBot = None # type: ignore
 _db: Database = None # type: ignore
 
+_COMMANDS = {
+    "help": "Получить справку",
+    "info": "Получить сведения о комнате",
+    "tokens": "Получить список токенов",
+    "auth": "Создать новый токен",
+    "deauth": "Удалить существующий токен",
+    "name": "Задать (или удалить) имя для токена",
+    "ban": "Забанить IP адрес",
+    "unban": "Разбанить IP адрес",
+    "bans": "Получить список забаненных IP адресов",
+}
+
 def _generate_help_message() -> str:
     """Generates help message in HTML markup"""
     result = "<strong><i>Как использовать</i></strong><br><ol>"
@@ -27,48 +39,18 @@ def _generate_help_message() -> str:
     result += "</ol>"
 
     result += "<br><br><strong><i>Команды</i></strong>"
-    for aliases in _COMMANDS:
-        result += f"<br><code>!{aliases[0]}</code> - <i>{html.escape(_COMMANDS[aliases][1])}</i>"
+    for key in _COMMANDS:
+        result += f"<br><code>!{key}</code> - <i>{html.escape(_COMMANDS[key])}</i>"
     return result
 
-#
-# GENERIC EVENT HANDLERS
-#
-async def _on_text(room: MatrixRoom, event: RoomMessageText) -> None:
-    """This callback is called when text message is received"""
-    if event.sender == _bot.get_client().user_id:
-        return
-    text = event.body
-    parts = [p for p in text.split() if p.strip()]
-    if len(parts) < 1:
-        return
-    cmd = parts[0].lower()
-    if not cmd.startswith("!"):
-        return
-    cb = None
-    for aliases in _COMMANDS:
-        for alias in aliases:
-            if alias == cmd.lstrip("!"):
-                cb = _COMMANDS[aliases][0]
-                break
-        if cb:
-            break
-    if cb is None:
-        await _bot.send_text_to_room(room.room_id, "<strong>Используйте <code>!help</code></strong>")
-        return
-    try:
-        await cb(room, parts[1:])
-    except:
-        traceback.print_exc()
-
 #
 # COMMAND HANDLERS
 #
-async def _on_cmd_help(room: MatrixRoom, args: list[str]) -> None:
+async def _on_cmd_help(room: MatrixRoom, event: RoomMessageText) -> None:
     """!help"""
     await _bot.send_text_to_room(room.room_id, _generate_help_message(), is_html=True)
 
-async def _on_cmd_info(room: MatrixRoom, args: list[str]) -> None:
+async def _on_cmd_info(room: MatrixRoom, event: RoomMessageText) -> None:
     """!info"""
     # get room info (or add it)
     room_info = await _db.room_get(room.room_id)
@@ -87,7 +69,7 @@ async def _on_cmd_info(room: MatrixRoom, args: list[str]) -> None:
     response += f"<strong>Канал:</strong> <code>{html.escape(room_info.code)}</code>"
     await _bot.send_text_to_room(room.room_id, response, is_html=True)
 
-async def _on_cmd_tokens(room: MatrixRoom, args: list[str]) -> None:
+async def _on_cmd_tokens(room: MatrixRoom, event: RoomMessageText) -> None:
     """!info"""
     # get all tokens and check if there are none
     tokens = await _db.token_get_all()
@@ -112,13 +94,13 @@ async def _on_cmd_tokens(room: MatrixRoom, args: list[str]) -> None:
     # respond
     await _bot.send_text_to_room(room.room_id, response, is_html=True)
 
-async def _on_cmd_auth(room: MatrixRoom, args: list[str]) -> None:
+async def _on_cmd_auth(room: MatrixRoom, event: RoomMessageText) -> None:
     """!auth"""
     # create new token
     token = await _db.token_create()
     # set the name if it is provided
-    if args:
-        token.name = " ".join(args)
+    if event.command_args:
+        token.name = " ".join(event.command_args)
         await _db.token_set_name(token.code, token.name)
     # create the response
     response = "<strong>Создан новый токен</strong>"
@@ -131,13 +113,13 @@ async def _on_cmd_auth(room: MatrixRoom, args: list[str]) -> None:
     # respond
     await _bot.send_text_to_room(room.room_id, response, is_html=True)
 
-async def _on_cmd_deauth(room: MatrixRoom, args: list[str]) -> None:
+async def _on_cmd_deauth(room: MatrixRoom, event: RoomMessageText) -> None:
     """!deauth"""
     # no token provided
-    if len(args) != 1:
+    if len(event.command_args) != 1:
         await _bot.send_text_to_room(room.room_id, "<strong>Укажите токен, который надо удалить (должен быть ровно один аргумент)</strong>", is_html=True)
         return
-    token = args[0]
+    token = event.command_args[0]
     # check if token does not exist
     if await _db.token_get(token) is None:
         await _bot.send_text_to_room(room.room_id, "<strong>Токен не найден</strong>", is_html=True)
@@ -148,15 +130,15 @@ async def _on_cmd_deauth(room: MatrixRoom, args: list[str]) -> None:
     response = f"<strong>Удалён токен <code>{token}</code></strong>"
     await _bot.send_text_to_room(room.room_id, response, is_html=True)
 
-async def _on_cmd_name(room: MatrixRoom, args: list[str]) -> None:
+async def _on_cmd_name(room: MatrixRoom, event: RoomMessageText) -> None:
     """!name"""
     # check arguments
-    if len(args) < 1:
+    if len(event.command_args) < 1:
         error = "<strong>Требуется указать как минимум токен. Если хотите убрать имя, то имя указывать не надо. Если имя нужно назначить или изменить, то после токена укажите новое имя.</strong>"
         await _bot.send_text_to_room(room.room_id, error, is_html=True)
         return
-    token = args[0]
-    new_name = " ".join(args[1:])
+    token = event.command_args[0]
+    new_name = " ".join(event.command_args[1:])
     if not new_name.strip():
         new_name = None
     # check if token exists
@@ -173,18 +155,18 @@ async def _on_cmd_name(room: MatrixRoom, args: list[str]) -> None:
     # respond
     await _bot.send_text_to_room(room.room_id, response, is_html=True)
 
-async def _on_cmd_ban(room: MatrixRoom, args: list[str]) -> None:
+async def _on_cmd_ban(room: MatrixRoom, event: RoomMessageText) -> None:
     """!ban"""
     # check arguments
-    if len(args) < 2:
+    if len(event.command_args) < 2:
         error = "<strong>Формат: <code>!ban &lt;IP&gt; &lt;SECONDS&gt; [REASON]</code></strong>"
         await _bot.send_text_to_room(room.room_id, error, is_html=True)
         return
-    # get args
+    # get event.command_args
     try:
-        ip = args[0]
-        duration = float(args[1])
-        reason = " ".join(args[2:]) if args[2:] else "Manual ban"
+        ip = event.command_args[0]
+        duration = float(event.command_args[1])
+        reason = " ".join(event.command_args[2:]) if event.command_args[2:] else "Manual ban"
     except:
         error = "<strong>Возникла ошибка. Наверняка неправильно указаны секунды.</strong>"
         await _bot.send_text_to_room(room.room_id, error, is_html=True)
@@ -196,21 +178,21 @@ async def _on_cmd_ban(room: MatrixRoom, args: list[str]) -> None:
     except:
         await _bot.send_text_to_room(room.room_id, "<strong>Возникла ошибка</strong>", is_html=True)
 
-async def _on_cmd_unban(room: MatrixRoom, args: list[str]) -> None:
+async def _on_cmd_unban(room: MatrixRoom, event: RoomMessageText) -> None:
     """!unban"""
     # check arguments
-    if len(args) != 1:
+    if len(event.command_args) != 1:
         error = "<strong>Формат: <code>!ban &lt;IP&gt;</code></strong>"
         await _bot.send_text_to_room(room.room_id, error, is_html=True)
         return
     # unban
     try:
-        await _db.ban_delete(args[0])
+        await _db.ban_delete(event.command_args[0])
         await _bot.send_text_to_room(room.room_id, "<strong>IP адрес разблокирован (если он был заблокирован)</strong>", is_html=True)
     except:
         await _bot.send_text_to_room(room.room_id, "<strong>Возникла ошибка</strong>", is_html=True)
 
-async def _on_cmd_bans(room: MatrixRoom, args: list[str]) -> None:
+async def _on_cmd_bans(room: MatrixRoom, event: RoomMessageText) -> None:
     """!bans"""
     # list
     bans = _db.ban_get_all()
@@ -228,18 +210,6 @@ async def _on_cmd_bans(room: MatrixRoom, args: list[str]) -> None:
     await _bot.send_text_to_room(room.room_id, result, is_html=True)
 
 
-_COMMANDS = {
-    ("help", "h", "?"): (_on_cmd_help, "Получить справку"),
-    ("info", "room", "i", "r"): (_on_cmd_info, "Получить сведения о комнате"),
-    ("tokens", "t"): (_on_cmd_tokens, "Получить список токенов"),
-    ("auth", "create", "a", "c"): (_on_cmd_auth, "Создать новый токен"),
-    ("deauth", "delete", "d"): (_on_cmd_deauth, "Удалить существующий токен"),
-    ("name", "n"): (_on_cmd_name, "Задать (или удалить) имя для токена"),
-    ("ban", "b"): (_on_cmd_ban, "Забанить IP адрес"),
-    ("unban", "u"): (_on_cmd_unban, "Разбанить IP адрес"),
-    ("bans", "l"): (_on_cmd_bans, "Получить список забаненных IP адресов"),
-}
-
 #
 # PUBLIC
 #
@@ -248,4 +218,21 @@ def setup(bot: MatrixBot, db: Database) -> None:
     global _bot, _db
     _db = db
     _bot = bot
-    _bot.add_event_callback(_on_text, RoomMessageText) # type: ignore
+    _bot.add_event_callback(
+        _on_cmd_help, TextCommandFilter(["help", "h", "?"]))
+    _bot.add_event_callback(
+        _on_cmd_info, TextCommandFilter(["info", "room", "i", "r"]))
+    _bot.add_event_callback(
+        _on_cmd_tokens, TextCommandFilter(["tokens", "t"]))
+    _bot.add_event_callback(
+        _on_cmd_auth, TextCommandFilter(["auth", "create", "a", "c"]))
+    _bot.add_event_callback(
+        _on_cmd_deauth, TextCommandFilter(["deauth", "delete", "d"]))
+    _bot.add_event_callback(
+        _on_cmd_name, TextCommandFilter(["name", "n"]))
+    _bot.add_event_callback(
+        _on_cmd_ban, TextCommandFilter(["ban", "b"]))
+    _bot.add_event_callback(
+        _on_cmd_unban, TextCommandFilter(["unban", "u"]))
+    _bot.add_event_callback(
+        _on_cmd_bans, TextCommandFilter(["bans", "l"]))