[WIP] Issue #4

src/handler/command_handler.py

@@ -1,8 +1,10 @@
-from telegram import Update
+import random
+from telegram import Update, InlineKeyboardButton, InlineKeyboardMarkup
 from telegram.ext import Handler
 
 from src.entity.chat import Chat
 from src.domain.command import Command
+from src.entity.word import Word
 
 
 class CommandHandler(Handler):
@@ -14,10 +16,11 @@ class CommandHandler(Handler):
             'ping':       self.__ping_command,
             'set_chance': self.__set_chance_command,
             'get_chance': self.__get_chance_command,
-            'get_stats':  self.__get_stats_command
+            'get_stats':  self.__get_stats_command,
+            'moderate':   self.__moderate_command
         }
         self.message_sender = message_sender
-    
+
     def check_update(self, update):
         if isinstance(update, Update) and update.message:
             message = update.message
@@ -25,7 +28,7 @@ class CommandHandler(Handler):
             return message.text and message.text.startswith('/') and Command.parse_name(message) in self.commands
         else:
             return False
-        
+
     def handle_update(self, update, dispatcher):
         optional_args = self.collect_optional_args(dispatcher, update)
 
@@ -36,17 +39,17 @@ class CommandHandler(Handler):
         command = Command(chat=chat, message=update.message)
 
         try:
-            self.commands[command.name](command)
+            self.commands[command.name](bot, command)
         except (IndexError, ValueError):
             self.message_sender.reply(command, 'Invalid command! Type /help')
-    
-    def __start_command(self, command):
+
+    def __start_command(self, bot, command):
         self.message_sender.reply(command, 'Hi! :3')
-        
-    def __help_command(self, command):
+
+    def __help_command(self, bot, command):
         self.message_sender.reply(
             command,
-            """Add me to your group and let me listen to your chat for a while. 
+            """Add me to your group and let me listen to your chat for a while.
 When I learn enough word pairs, I'll start bringing fun and absurdity to your conversations.
 
 Available commands:
@@ -60,10 +63,18 @@ In 12 hours, I'll forget everything that have been learned in your chat, so you
 """
         )
 
-    def __ping_command(self, command):
-        self.message_sender.reply(command, 'pong')
+    def __ping_command(self, bot, command):
+        answers = [
+            'echo',
+            'pong',
+            'ACK',
+            'reply',
+            'pingback'
+        ]
 
-    def __set_chance_command(self, command):
+        self.message_sender.reply(command, random.choice(answers))
+
+    def __set_chance_command(self, bot, command):
         try:
             random_chance = int(command.args[0])
 
@@ -75,9 +86,55 @@ In 12 hours, I'll forget everything that have been learned in your chat, so you
             self.message_sender.reply(command, 'Set chance to: {}'.format(random_chance))
         except (IndexError, ValueError):
             self.message_sender.reply(command, 'Usage: /set_chance 1-50.')
-                                  
-    def __get_chance_command(self, command):
+
+    def __get_chance_command(self, bot, command):
         self.message_sender.reply(command, 'Current chance: {}'.format(command.chat.random_chance))
-                                  
-    def __get_stats_command(self, command):
+
+    def __get_stats_command(self, bot, command):
         self.message_sender.reply(command, 'Pairs: {}'.format(command.chat.pairs().count()))
+
+    def __moderate_command(self, bot, command):
+        try:
+            def is_admin():
+                user_id = command.message.from_user.id
+                admin_ids = list(map(
+                    lambda member: member.user.id,
+                    bot.get_chat_administrators(chat_id=command.chat.telegram_id)
+                ))
+
+                return user_id in admin_ids
+
+            def generate_keyboard(words):
+                custom_keyboard = []
+                for word in words:
+                    custom_keyboard.append([
+                        InlineKeyboardButton(text=word.word, callback_data='nothing'),
+                        InlineKeyboardButton(text='🔲', callback_data=word.id)
+                    ])
+
+                custom_keyboard.append([
+                    InlineKeyboardButton(text='Cancel', callback_data='cancel'),
+                    InlineKeyboardButton(text='OK', callback_data='remove_all_marked_words')
+                ])
+
+                return InlineKeyboardMarkup(custom_keyboard)
+
+            if not is_admin():
+                return self.message_sender.reply(command, 'You don\'t have admin privileges!')
+
+            search_word = command.args[0]
+            found_words = Word.where('word', 'like', search_word + '%') \
+                .order_by('word', 'asc') \
+                .limit(10) \
+                .get()
+
+            if len(found_words) == 0:
+                self.message_sender.reply(command, 'No words found!')
+            else:
+                self.message_sender.send_reply_markup(command,
+                                                      message="Mark all words to delete and press OK, "
+                                                              "or press Cancel to close this window",
+                                                      reply_markup=generate_keyboard(found_words))
+        except (IndexError, ValueError):
+            self.message_sender.reply(command, 'Usage: /moderate <word>')
+

src/service/message_sender.py

@@ -29,6 +29,11 @@ class MessageSender:
                               reply_to_message_id=entity.message.message_id,
                               text=message)
 
+    def send_reply_markup(self, entity, message, reply_markup):
+        self.bot.send_message(chat_id=entity.chat.telegram_id,
+                              text=message,
+                              reply_markup=reply_markup)
+
     def send_action(self, entity, action):
         logging.debug("[Chat %s %s send_action] %s" %
                       (entity.chat.chat_type,