Added inline query handler, updated CHANGELOG, added group name validator

CHANGELOG.md

@@ -1,6 +1,13 @@
 # Change Log
 All notable changes to this project will be documented in this file.
  
+## [UNRELEASED] - 07.10.2021
+### Added
+- Inline Query for join/leave/everyone
+- Validator class for group name
+
+### Updated
+- start command content
 ## [0.1.0] - 06.10.2021
 ### Features
 - `/join` command

src/app.py

@@ -6,7 +6,7 @@ from telegram.ext.dispatcher import Dispatcher
 from logger import Logger
 from config.credentials import BOT_TOKEN, PORT, WEBHOOK_URL
 from bot.handler import (groupsHandler, joinHandler, mentionHandler, leaveHandler,
-                     silentMentionHandler, startHandler)
+                     silentMentionHandler, startHandler, inlineQueryHandler)
 from bot.handler.abstractHandler import AbstractHandler
 
 

src/bot/handler/inlineQueryHandler.py

@@ -0,0 +1,46 @@
+from bot.handler.abstractHandler import AbstractHandler
+from entity.group import Group
+from telegram import InlineQueryResultArticle
+from telegram.ext.callbackcontext import CallbackContext
+from telegram.ext.commandhandler import CommandHandler
+from telegram.ext.inlinequeryhandler import \
+    InlineQueryHandler as CoreInlineQueryHandler
+from telegram.inline.inputtextmessagecontent import InputTextMessageContent
+from telegram.update import Update
+
+
+class InlineQueryHandler(AbstractHandler):
+    bot_handler: CommandHandler
+
+    def __init__(self) -> None:
+        self.bot_handler = CoreInlineQueryHandler(self.handle)
+
+    def handle(self, update: Update, context: CallbackContext) -> None:
+        group_display = update.inline_query.query or Group.default_name
+        group = '' if group_display == Group.default_name else group_display
+
+        results = [
+            InlineQueryResultArticle(
+                id='everyone',
+                title='MENTION',
+                description=f'Mention members in group "{group_display}"',
+                input_message_content=InputTextMessageContent(f'/everyone {group}')
+            ),
+            InlineQueryResultArticle(
+                id='join',
+                title='JOIN',
+                description=f'Joins group "{group_display}"',
+                input_message_content=InputTextMessageContent(f'/join {group}')
+            ),
+            InlineQueryResultArticle(
+                id='leave',
+                title='LEAVE',
+                description=f'Leaves group "{group_display}"',
+                input_message_content=InputTextMessageContent(f'/leave {group}')
+            )
+        ]
+
+        update.inline_query.answer(results, cache_time=4800)
+
+    def get_bot_handler(self) -> CoreInlineQueryHandler:
+        return self.bot_handler

src/bot/message/messageData.py

@@ -9,6 +9,8 @@ from exception.invalidArgumentException import InvalidArgumentException
 from telegram.ext.callbackcontext import CallbackContext
 from telegram.update import Update
 
+from validator.groupNameValidator import GroupNameValidator
+
 
 @dataclass
 class MessageData():
@@ -24,15 +26,10 @@ class MessageData():
 
         if context.args and context.args[0] and include_group:
             group_name = str(context.args[0]).lower()
-            if not re.match(r"^[A-Za-z]+$", group_name):
-                raise InvalidArgumentException(re.escape('Group name must contain only letters.'))
 
-            if group_name == Group.default_name:
-                raise InvalidArgumentException(re.escape(f'Group can not be `{Group.default_name}`.'))
-
-            if len(group_name) > 20:
-                raise InvalidArgumentException(re.escape(f'Group name length can not be greater than 20.'))
+            GroupNameValidator.validate(group_name)
 
+            if group_name is not Group.default_name:
                 chat_id += f'~{group_name}'
             
 

src/config/contents.py

@@ -29,4 +29,7 @@ To see all available groups use:
 
 To display all members in a group:
 `/silent <group-name>`
+
+You can also try to tag me @everyone\_mention\_bot and then enter group name
+Possible results will be displayed
 """

src/validator/groupNameValidator.py

@@ -0,0 +1,16 @@
+import re
+
+from exception.invalidArgumentException import InvalidArgumentException
+
+
+class GroupNameValidator:
+
+    @staticmethod
+    def validate(group: str) -> None:
+        group = group.lower()
+
+        if len(group) > 0 and not re.match(r"^[A-Za-z]+$", group):
+            raise InvalidArgumentException(re.escape('Group name must contain only letters.'))
+
+        if len(group) > 20:
+            raise InvalidArgumentException(re.escape(f'Group name length can not be greater than 20.'))