mongodb to 5.0.2 update, added groups command, added groups logic, changed silent logic

docker-compose.yml

@@ -3,7 +3,7 @@ version: "3.6"
 services:
 
   database:
-    image: mongo:4.0.8
+    image: mongo:5.0.2
     restart: unless-stopped
     env_file:
       - ./docker/config/database.env

src/app.py

@@ -3,7 +3,7 @@ from telegram.ext.dispatcher import Dispatcher
 
 from config.credentials import BOT_TOKEN
 from handler.abstractHandler import AbstractHandler
-from handler import (inHandler, mentionHandler, outHandler)
+from handler import (inHandler, mentionHandler, outHandler, silentMentionHandler, groupsHandler)
 
 
 class App:

src/config/contents.py

@@ -6,3 +6,4 @@ opted_in_failed = re.escape('You already opted-in for everyone-mentions.')
 opted_off = re.escape('You have opted-off for everyone-mentions.')
 opted_off_failed = re.escape('You need to opt-in first before processing this command.')
 mention_failed = re.escape('There are no users to mention.')
+no_groups = re.escape('There are no groups for this chat.')

src/database/client.py

@@ -1,3 +1,4 @@
+from typing import Optional
 from urllib.parse import quote_plus
 
 from config.credentials import (MONGODB_DATABASE, MONGODB_HOSTNAME,
@@ -34,3 +35,6 @@ class Client():
             filter, 
             { "$set" : data }
         )
+
+    def aggregate(self, collection, pipeline: list):
+        return self.database.get_collection(collection).aggregate(pipeline)

src/entity/group.py

@@ -0,0 +1,12 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+
+
+@dataclass
+class Group():
+    chat_id: str
+    group_name: str
+    users_count: int
+
+    default_name: str = 'default'

src/exception/alreadyExistsException.py

@@ -1,2 +0,0 @@
-class AlreadyExistsException(Exception):
-    pass

src/exception/invalidArgumentException.py

@@ -0,0 +1,2 @@
+class InvalidArgumentException(Exception):
+    pass

src/handler/abstractHandler.py

@@ -14,8 +14,11 @@ class AbstractHandler:
     @abstractmethod
     def handle(self, update: Update, context: CallbackContext) -> None: raise Exception('handle method is not implemented')
 
-    def get_update_data(self, update: Update) -> UpdateData:
-        return UpdateData.create_from_update(update)
+    def get_update_data(self, update: Update, context: CallbackContext) -> UpdateData:
+        return UpdateData.create_from_arguments(update, context)
 
-    def reply(self, update: Update, message: str) -> None:
+    def reply_markdown(self, update: Update, message: str) -> None:
         update.effective_message.reply_markdown_v2(text=message)
+
+    def reply_html(self, update: Update, html: str) -> None:
+        update.effective_message.reply_html(text=html)

src/handler/groupsHandler.py

@@ -0,0 +1,40 @@
+from typing import Iterable
+
+import prettytable as pt
+from config.contents import no_groups
+from entity.group import Group
+from repository.groupRepository import GroupRepository
+from telegram.ext.callbackcontext import CallbackContext
+from telegram.ext.commandhandler import CommandHandler
+from telegram.update import Update
+
+from handler.abstractHandler import AbstractHandler
+
+
+class GroupsHandler(AbstractHandler):
+    bot_handler: CommandHandler
+    group_repository: GroupRepository
+
+    def __init__(self) -> None:
+        self.bot_handler = CommandHandler('groups', self.handle)
+        self.group_repository = GroupRepository()
+
+    def handle(self, update: Update, context: CallbackContext) -> None:
+        real_chat_id = str(update.effective_chat.id)
+
+        groups = self.group_repository.get_by_chat_id(real_chat_id)
+
+        if groups:
+            return self.reply_html(update, self.build_groups_message(groups))
+
+        self.reply_markdown(update, no_groups)
+
+    def get_bot_handler(self) -> CommandHandler:
+        return self.bot_handler
+
+    def build_groups_message(self, groups: Iterable[Group]) -> str:
+        resultTable = pt.PrettyTable(['Name', 'Members'])
+
+        resultTable.add_rows([[record.group_name, record.users_count] for record in groups])
+
+        return f'<pre>{str(resultTable)}</pre>'

src/handler/inHandler.py

@@ -1,4 +1,5 @@
 from config.contents import opted_in, opted_in_failed
+from exception.invalidArgumentException import InvalidArgumentException
 from exception.notFoundException import NotFoundException
 from repository.userRepository import UserRepository
 from telegram.ext.callbackcontext import CallbackContext
@@ -17,14 +18,16 @@ class InHandler(AbstractHandler):
         self.user_repository = UserRepository()
 
     def handle(self, update: Update, context: CallbackContext) -> None:
-        update_data = self.get_update_data(update)
+        try:
+            update_data = self.get_update_data(update, context)
+        except InvalidArgumentException as e:
+            return self.reply_markdown(update, str(e))
 
         try:
             user = self.user_repository.get_by_id(update_data.user_id)
 
             if user.is_in_chat(update_data.chat_id):
-                self.reply(update, opted_in_failed)
-                return
+                return self.reply_markdown(update, opted_in_failed)
 
             user.add_to_chat(update_data.chat_id)
             self.user_repository.save(user)
@@ -32,7 +35,7 @@ class InHandler(AbstractHandler):
         except NotFoundException:
             self.user_repository.save_by_update_data(update_data)
 
-        self.reply(update, opted_in)
+        self.reply_markdown(update, opted_in)
 
     def get_bot_handler(self) -> CommandHandler:
         return self.bot_handler

src/handler/mentionHandler.py

@@ -2,6 +2,7 @@ from typing import Iterable
 
 from config.contents import mention_failed
 from entity.user import User
+from exception.invalidArgumentException import InvalidArgumentException
 from repository.userRepository import UserRepository
 from telegram.ext.callbackcontext import CallbackContext
 from telegram.ext.commandhandler import CommandHandler
@@ -13,35 +14,31 @@ from handler.abstractHandler import AbstractHandler
 class MentionHandler(AbstractHandler):
     bot_handler: CommandHandler
     user_repository: UserRepository
-    silent: str = 'silent'
 
     def __init__(self) -> None:
         self.bot_handler = CommandHandler('everyone', self.handle)
         self.user_repository = UserRepository()
 
     def handle(self, update: Update, context: CallbackContext) -> None:
-        updateData = self.get_update_data(update)
+        try:
+            updateData = self.get_update_data(update, context)
+        except InvalidArgumentException as e:
+            return self.reply_markdown(update, str(e))
+        
         users = self.user_repository.get_all_for_chat(updateData.chat_id)
         
         if users:
-            self.reply(update, self.build_mention_message(users, self.isSilent(context)))
-            return
+            return self.reply_markdown(update, self.build_mention_message(users))
 
-        self.reply(update, mention_failed)
+        self.reply_markdown(update, mention_failed)
 
     def get_bot_handler(self) -> CommandHandler:
         return self.bot_handler
 
-    def build_mention_message(self, users: Iterable[User], silent: bool = False) -> str:
+    def build_mention_message(self, users: Iterable[User]) -> str:
         result = ''
 
         for user in users:
-            if not silent:
-                result += f'*[{user.username}](tg://user?id={user.user_id})* '
-            else:
-                result += f'*{user.username}\({user.user_id}\)*\n'
+            result += f'*[{user.username}](tg://user?id={user.user_id})* '
 
         return result
-
-    def isSilent(self, context: CallbackContext) -> bool:
-        return self.silent in context.args

src/handler/outHandler.py

@@ -1,4 +1,5 @@
 from config.contents import opted_off, opted_off_failed
+from exception.invalidArgumentException import InvalidArgumentException
 from exception.notFoundException import NotFoundException
 from repository.userRepository import UserRepository
 from telegram.ext.callbackcontext import CallbackContext
@@ -17,7 +18,10 @@ class OutHandler(AbstractHandler):
         self.user_repository = UserRepository()
 
     def handle(self, update: Update, context: CallbackContext) -> None:
-        updateData = self.get_update_data(update)
+        try:
+            updateData = self.get_update_data(update, context)
+        except InvalidArgumentException as e:
+            return self.reply_markdown(update, str(e))
 
         try:
             user = self.user_repository.get_by_id(updateData.user_id)
@@ -25,13 +29,12 @@ class OutHandler(AbstractHandler):
             if not user.is_in_chat(updateData.chat_id):
                 raise NotFoundException()
         except NotFoundException:
-            self.reply(update, opted_off_failed)
-            return
+            return self.reply_markdown(update, opted_off_failed)
 
         user.remove_from_chat(updateData.chat_id)
         self.user_repository.save(user)
 
-        self.reply(update, opted_off)
+        self.reply_markdown(update, opted_off)
 
     def get_bot_handler(self) -> CommandHandler:
         return self.bot_handler

src/handler/silentMentionHandler.py

@@ -0,0 +1,21 @@
+from typing import Iterable
+
+from entity.user import User
+from telegram.ext.commandhandler import CommandHandler
+
+from handler.abstractHandler import AbstractHandler
+from handler.mentionHandler import MentionHandler
+
+
+class MentionHandler(MentionHandler, AbstractHandler):
+    def __init__(self) -> None:
+        super().__init__()
+        self.bot_handler = CommandHandler('silent', self.handle)
+
+    def build_mention_message(self, users: Iterable[User]) -> str:
+        result = ''
+
+        for user in users:
+            result += f'*{user.username}\({user.user_id}\)*\n'
+
+        return result

src/handler/vo/updateData.py

@@ -1,9 +1,14 @@
 from __future__ import annotations
 
 from dataclasses import dataclass
+import re
 
 import names
+from telegram.ext.callbackcontext import CallbackContext
 from telegram.update import Update
+from entity.group import Group
+
+from exception.invalidArgumentException import InvalidArgumentException
 
 
 @dataclass
@@ -13,9 +18,17 @@ class UpdateData():
     username: str
 
     @staticmethod
-    def create_from_update(update: Update) -> UpdateData:
-        user_id = str(update.effective_user.id)
+    def create_from_arguments(update: Update, context: CallbackContext) -> UpdateData:
         chat_id = str(update.effective_chat.id)
+        
+        if context.args and context.args[0]:
+            if not context.args[0].isalpha() or context.args[0] == Group.default_name:
+                raise InvalidArgumentException(re.escape(f'Group name must contain only letters and can not be `{Group.default_name}`.'))
+            else:
+                chat_id += f'~{context.args[0]}'.lower()
+            
+
+        user_id = str(update.effective_user.id)
         username = update.effective_user.username or update.effective_user.first_name
 
         if not username:

src/repository/groupRepository.py

@@ -0,0 +1,53 @@
+import itertools
+import re
+from typing import Iterable
+
+from database.client import Client
+from entity.group import Group
+from entity.user import User
+
+
+class GroupRepository():
+    client: Client
+
+    count: str = 'count'
+
+    def __init__(self) -> None:
+        self.client = Client()
+
+    def get_by_chat_id(self, chat_id: str) -> Iterable[Group]:    
+        groups = self.client.aggregate(
+            User.collection,
+            [
+                { "$unwind": f'${User.chats_index}' },
+                {
+                    "$match": {
+                        User.chats_index: { "$regex": re.compile(f'^{chat_id}.*$') },
+                    },
+                },
+                {
+                    "$group": {
+                        "_id": {
+                            "$last": { "$split": [f'${User.chats_index}', "~"] },
+                        },
+                        self.count: { "$count": {} },
+                    },
+                },
+                {
+                    "$sort": { '_id': 1 }
+                }
+            ]
+        )
+
+        result = []
+        for group in groups:
+            group_name = group['_id']
+
+            if group_name == chat_id:
+                group_name = Group.default_name
+
+            result.append(
+                Group(chat_id, group_name, group[self.count])
+            )
+
+        return result

src/requirements.txt

@@ -2,3 +2,4 @@ python-dotenv==0.19.0
 python-telegram-bot==13.7
 pymongo==3.12.0
 names==0.3.0
+prettytable==2.2.1