Add get_dialogs method

pyrogram/client/methods/messages/__init__.py

@@ -21,6 +21,7 @@ from .edit_message_caption import EditMessageCaption
 from .edit_message_reply_markup import EditMessageReplyMarkup
 from .edit_message_text import EditMessageText
 from .forward_messages import ForwardMessages
+from .get_dialogs import GetDialogs
 from .get_history import GetHistory
 from .get_messages import GetMessages
 from .send_audio import SendAudio
@@ -47,6 +48,7 @@ class Messages(
     ForwardMessages,
     GetHistory,
     GetMessages,
+    GetDialogs,
     SendAudio,
     SendChatAction,
     SendContact,

pyrogram/client/methods/messages/get_dialogs.py

@@ -0,0 +1,100 @@
+# Pyrogram - Telegram MTProto API Client Library for Python
+# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
+#
+# This file is part of Pyrogram.
+#
+# Pyrogram is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as published
+# by the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Pyrogram is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
+
+import pyrogram
+from pyrogram.api import functions, types
+from ...ext import BaseClient, utils
+
+
+class GetDialogs(BaseClient):
+    # TODO docstrings
+
+    def get_dialogs(self,
+                    last_chunk=None,
+                    limit: int = 100):
+        offset_date = 0
+        offset_id = 0
+        offset_peer = types.InputPeerEmpty()
+
+        if last_chunk:
+            for dialog in reversed(last_chunk.dialogs):
+                top_message = dialog.top_message
+
+                if top_message:
+                    message_date = top_message.date
+
+                    if message_date:
+                        offset_id = top_message.message_id
+                        offset_date = message_date
+                        offset_peer = self.resolve_peer(dialog.id)
+                        break
+
+        r = self.send(
+            functions.messages.GetDialogs(
+                offset_date=offset_date,
+                offset_id=offset_id,
+                offset_peer=offset_peer,
+                limit=limit,
+                hash=0,
+                exclude_pinned=True
+            )
+        )
+
+        users = {i.id: i for i in r.users}
+        chats = {i.id: i for i in r.chats}
+        messages = {}
+
+        for message in r.messages:
+            if isinstance(message, (types.Message, types.MessageService)):
+                chat_id = message.to_id
+
+                if isinstance(chat_id, types.PeerUser):
+                    chat_id = chat_id.user_id
+                elif isinstance(chat_id, types.PeerChat):
+                    chat_id = -chat_id.chat_id
+                else:
+                    chat_id = int("-100" + str(chat_id.channel_id))
+
+                messages[chat_id] = utils.parse_messages(
+                    self, message,
+                    users, chats
+                )
+
+        dialogs = []
+
+        for dialog in r.dialogs:
+            chat_id = dialog.peer
+
+            if isinstance(chat_id, types.PeerUser):
+                chat_id = chat_id.user_id
+            elif isinstance(chat_id, types.PeerChat):
+                chat_id = -chat_id.chat_id
+            else:
+                chat_id = int("-100" + str(chat_id.channel_id))
+
+            dialogs.append(
+                pyrogram.Dialog(
+                    id=chat_id,
+                    top_message=messages.get(chat_id)
+                )
+            )
+
+        return pyrogram.Dialogs(
+            total_count=getattr(r, "count", len(r.dialogs)),
+            dialogs=dialogs
+        )