From 44c928ed47c86dc6989c29ca9d166a665673e563 Mon Sep 17 00:00:00 2001
From: Alex Root Junior <jroot.junior@gmail.com>
Date: Fri, 19 May 2017 22:11:27 +0300
Subject: [PATCH] Add chat

---
 aiogram/api.py        |  1 +
 aiogram/bot.py        |  6 +++++
 aiogram/types/chat.py | 51 +++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 58 insertions(+)
 create mode 100644 aiogram/types/chat.py

diff --git a/aiogram/api.py b/aiogram/api.py
index 25b9fb58..5aae1c92 100644
--- a/aiogram/api.py
+++ b/aiogram/api.py
@@ -51,3 +51,4 @@ async def request(session, token, method, data=None):
 
 class ApiMethods:
     GET_ME = 'getMe'
+    GET_CHAT = 'getChat'
diff --git a/aiogram/bot.py b/aiogram/bot.py
index cbb3487b..af522a9b 100644
--- a/aiogram/bot.py
+++ b/aiogram/bot.py
@@ -5,6 +5,7 @@ import aiohttp
 
 from . import api
 from .api import ApiMethods
+from .types.chat import Chat
 from .types.user import User
 
 
@@ -47,3 +48,8 @@ class AIOGramBot:
     async def get_me(self) -> User:
         raw = await self.request(ApiMethods.GET_ME)
         return self._prepare_object(User.de_json(raw))
+
+    async def get_chat(self, chat_id) -> Chat:
+        payload = {'chat_id': chat_id}
+        raw = await self.request(ApiMethods.GET_CHAT, payload)
+        return self._prepare_object(Chat.de_json(raw))
diff --git a/aiogram/types/chat.py b/aiogram/types/chat.py
new file mode 100644
index 00000000..69962f37
--- /dev/null
+++ b/aiogram/types/chat.py
@@ -0,0 +1,51 @@
+from aiogram.types import Deserializable
+
+
+class Chat(Deserializable):
+    __slots__ = ('id', 'type', 'title', 'username', 'first_name', 'last_name', 'all_members_are_administrators')
+
+    def __init__(self, data, id, type, title, username, first_name, last_name, all_members_are_administrators):
+        self.data = data
+
+        self.id: int = id
+        self.type: str = type
+        self.title: str = title
+        self.username: str = username
+        self.first_name: str = first_name
+        self.last_name: str = last_name
+        self.all_members_are_administrators: bool = all_members_are_administrators
+
+    @classmethod
+    def de_json(cls, data) -> 'Chat':
+        """
+        id	Integer	Unique identifier for this chat. This number may be greater than 32 bits and some programming languages may have difficulty/silent defects in interpreting it. But it is smaller than 52 bits, so a signed 64 bit integer or double-precision float type are safe for storing this identifier.
+        type	String	Type of chat, can be either “private”, “group”, “supergroup” or “channel”
+        title	String	Optional. Title, for supergroups, channels and group chats
+        username	String	Optional. Username, for private chats, supergroups and channels if available
+        first_name	String	Optional. First name of the other party in a private chat
+        last_name	String	Optional. Last name of the other party in a private chat
+        all_members_are_administrators	Boolean	Optional. True if a group has ‘All Members Are Admins’ enabled.
+        :param data: 
+        :return: 
+        """
+        data = cls.check_json(data)
+
+        id: int = data.get('id')
+        type: str = data.get('type')
+        title: str = data.get('title')
+        username: str = data.get('username')
+        first_name: str = data.get('first_name')
+        last_name: str = data.get('last_name')
+        all_members_are_administrators: bool = data.get('all_members_are_administrators', False)
+
+        return Chat(data, id, type, title, username, first_name, last_name, all_members_are_administrators)
+
+    async def send_message(self, text):
+        self.bot.send_message(self.id, text)
+
+
+class ChatType:
+    PRIVATE = 'private'
+    GROUP = 'group'
+    SUPER_GROUP = 'supergroup'
+    CHANNEL = 'channel'