Optimize the welcome message for new members.

channel/wechat/wechat_message.py

@@ -14,9 +14,10 @@ class WechatMessage(ChatMessage):
         self.create_time = itchat_msg["CreateTime"]
         self.is_group = is_group
 
-        notes_join_group = ["加入群聊","加入了群聊","invited","joined"]  # 可通过添加对应语言的加入群聊通知中的关键词适配更多
-        notes_exit_group = ["移出了群聊","removed"]  # 可通过添加对应语言的踢出群聊通知中的关键词适配更多
-        notes_patpat = ["拍了拍我","tickled my","tickled me"] # 可通过添加对应语言的拍一拍通知中的关键词适配更多
+        notes_join_group = ["加入群聊", "加入了群聊", "invited", "joined"]  # 可通过添加对应语言的加入群聊通知中的关键词适配更多
+        notes_bot_join_group = ["邀请你", "invited you", "You've joined", "你通过扫描"]
+        notes_exit_group = ["移出了群聊", "removed"]  # 可通过添加对应语言的踢出群聊通知中的关键词适配更多
+        notes_patpat = ["拍了拍我", "tickled my", "tickled me"] # 可通过添加对应语言的拍一拍通知中的关键词适配更多
 
         if itchat_msg["Type"] == TEXT:
             self.ctype = ContextType.TEXT
@@ -30,26 +31,30 @@ class WechatMessage(ChatMessage):
             self.content = TmpDir().path() + itchat_msg["FileName"]  # content直接存临时目录路径
             self._prepare_fn = lambda: itchat_msg.download(self.content)
         elif itchat_msg["Type"] == NOTE and itchat_msg["MsgType"] == 10000:
-            if is_group and (any(note_join_group in itchat_msg["Content"] for note_join_group in notes_join_group)):  # 若有任何在notes_join_group列表中的字符串出现在NOTE中
+            if is_group:
+                if any(note_bot_join_group in itchat_msg["Content"] for note_bot_join_group in notes_bot_join_group):  # 邀请机器人加入群聊
+                    logger.warn("机器人加入群聊消息，不处理~")
+                    pass
+                elif any(note_join_group in itchat_msg["Content"] for note_join_group in notes_join_group): # 若有任何在notes_join_group列表中的字符串出现在NOTE中
                 # 这里只能得到nickname， actual_user_id还是机器人的id
-                if "加入群聊" not in itchat_msg["Content"]:
-                    self.ctype = ContextType.JOIN_GROUP
-                    self.content = itchat_msg["Content"]
-                    if "invited" in itchat_msg["Content"]: # 匹配英文信息
-                        self.actual_user_nickname = re.findall(r'invited\s+(.+?)\s+to\s+the\s+group\s+chat', itchat_msg["Content"])[0]
-                    elif "joined" in itchat_msg["Content"]: # 匹配通过二维码加入的英文信息
-                        self.actual_user_nickname = re.findall(r'"(.*?)" joined the group chat via the QR Code shared by', itchat_msg["Content"])[0]
-                    elif "加入了群聊" in itchat_msg["Content"]:
-                        self.actual_user_nickname = re.findall(r"\"(.*?)\"", itchat_msg["Content"])[-1]
-                elif "加入群聊" in itchat_msg["Content"]:
-                    self.ctype = ContextType.JOIN_GROUP
+                    if "加入群聊" not in itchat_msg["Content"]:
+                        self.ctype = ContextType.JOIN_GROUP
+                        self.content = itchat_msg["Content"]
+                        if "invited" in itchat_msg["Content"]: # 匹配英文信息
+                            self.actual_user_nickname = re.findall(r'invited\s+(.+?)\s+to\s+the\s+group\s+chat', itchat_msg["Content"])[0]
+                        elif "joined" in itchat_msg["Content"]: # 匹配通过二维码加入的英文信息
+                            self.actual_user_nickname = re.findall(r'"(.*?)" joined the group chat via the QR Code shared by', itchat_msg["Content"])[0]
+                        elif "加入了群聊" in itchat_msg["Content"]:
+                            self.actual_user_nickname = re.findall(r"\"(.*?)\"", itchat_msg["Content"])[-1]
+                    elif "加入群聊" in itchat_msg["Content"]:
+                        self.ctype = ContextType.JOIN_GROUP
+                        self.content = itchat_msg["Content"]
+                        self.actual_user_nickname = re.findall(r"\"(.*?)\"", itchat_msg["Content"])[0]
+
+                elif any(note_exit_group in itchat_msg["Content"] for note_exit_group in notes_exit_group):  # 若有任何在notes_exit_group列表中的字符串出现在NOTE中
+                    self.ctype = ContextType.EXIT_GROUP
                     self.content = itchat_msg["Content"]
                     self.actual_user_nickname = re.findall(r"\"(.*?)\"", itchat_msg["Content"])[0]
-
-            elif is_group and (any(note_exit_group in itchat_msg["Content"] for note_exit_group in notes_exit_group)):  # 若有任何在notes_exit_group列表中的字符串出现在NOTE中
-                self.ctype = ContextType.EXIT_GROUP
-                self.content = itchat_msg["Content"]
-                self.actual_user_nickname = re.findall(r"\"(.*?)\"", itchat_msg["Content"])[0]
                     
             elif "你已添加了" in itchat_msg["Content"]:  #通过好友请求
                 self.ctype = ContextType.ACCEPT_FRIEND