Add Hashtag Search methods

search_global_hashtag_messages
search_global_hashtag_messages_count

Signed-off-by: wulan17 <wulan17@nusantararom.org>

compiler/docs/compiler.py

@@ -208,6 +208,8 @@ def pyrogram_api():
             search_messages_count
             search_global
             search_global_count
+            search_global_hashtag_messages
+            search_global_hashtag_messages_count
             download_media
             stream_media
             get_discussion_message

pyrogram/methods/messages/__init__.py

@@ -43,6 +43,8 @@ from .read_chat_history import ReadChatHistory
 from .retract_vote import RetractVote
 from .search_global import SearchGlobal
 from .search_global_count import SearchGlobalCount
+from .search_global_hashtag_messages import SearchGlobalHashtagMessages
+from .search_global_hashtag_messages_count import SearchGlobalHashtagMessagesCount
 from .search_messages import SearchMessages
 from .search_messages_count import SearchMessagesCount
 from .send_animation import SendAnimation
@@ -110,10 +112,12 @@ class Messages(
     SendDice,
     SearchMessages,
     SearchGlobal,
+    SearchGlobalHashtagMessages,
     CopyMessage,
     CopyMediaGroup,
     SearchMessagesCount,
     SearchGlobalCount,
+    SearchGlobalHashtagMessagesCount,
     GetDiscussionMessage,
     SendReaction,
     GetDiscussionReplies,

pyrogram/methods/messages/search_global_hashtag_messages.py

@@ -0,0 +1,102 @@
+#  Pyrogram - Telegram MTProto API Client Library for Python
+#  Copyright (C) 2017-present Dan <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/>.
+
+from datetime import datetime
+from typing import AsyncGenerator
+
+import pyrogram
+from pyrogram import raw, types, utils
+
+
+class SearchGlobalHashtagMessages:
+    async def search_global_hashtag_messages(
+        self: "pyrogram.Client",
+        hashtag: str = "",
+        offset_id: int = 0,
+        offset_date: datetime = utils.zero_datetime(),
+        limit: int = 0,
+    ) -> AsyncGenerator["types.Message", None]:
+        """Searches for public channel posts with the given hashtag. For optimal performance, the number of returned messages is chosen by Telegram Server and can be smaller than the specified limit.
+
+        If you want to get the posts count only, see :meth:`~pyrogram.Client.search_public_hashtag_messages_count`.
+
+        .. include:: /_includes/usable-by/users.rst
+
+        Parameters:
+            hashtag (``str``, *optional*):
+                Hashtag to search for.
+
+            offset_id (``int``, *optional*):
+                Offset of the first entry to return as received from the previous request; use empty string to get the first chunk of results.
+
+            offset_date (:py:obj:`~datetime.datetime`, *optional*):
+                Pass a date as offset to retrieve only older messages starting from that date.
+
+            limit (``int``, *optional*):
+                The maximum number of messages to be returned. 
+                By default, no limit is applied and all posts are returned.
+
+        Returns:
+            ``Generator``: A generator yielding :obj:`~pyrogram.types.Message` objects.
+
+        Example:
+            .. code-block:: python
+
+                # Search for "#pyrogram". Get the first 50 results
+                async for message in app.search_public_hashtag_messages("#pyrogram"):
+                    print(message.text)
+                    
+        """
+        current = 0
+        total = abs(limit) or (1 << 31)
+        limit = min(100, total)
+
+        offset_peer = raw.types.InputPeerEmpty()
+
+        while True:
+            messages = await utils.parse_messages(
+                self,
+                await self.invoke(
+                    raw.functions.channels.SearchPosts(
+                        hashtag=hashtag,
+                        offset_rate=utils.datetime_to_timestamp(offset_date),
+                        offset_peer=offset_peer,
+                        offset_id=offset_id,
+                        limit=limit
+                    ),
+                    sleep_threshold=60
+                ),
+                replies=0
+            )
+
+            if not messages:
+                return
+
+            last = messages[-1]
+
+            offset_date = utils.datetime_to_timestamp(last.date)
+            offset_peer = await self.resolve_peer(last.chat.id)
+            offset_id = last.id
+
+            for message in messages:
+                yield message
+
+                current += 1
+
+                if current >= total:
+                    return

pyrogram/methods/messages/search_global_hashtag_messages_count.py

@@ -0,0 +1,55 @@
+#  Pyrogram - Telegram MTProto API Client Library for Python
+#  Copyright (C) 2017-present Dan <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 import raw
+
+
+class SearchGlobalHashtagMessagesCount:
+    async def search_golbal_hashtag_messages_count(
+        self: "pyrogram.Client",
+        hashtag: str = "",
+    ) -> int:
+        """Get the count of messages with the provided hashtag.
+
+        If you want to get the actual messages, see :meth:`~pyrogram.Client.search_public_hashtag_messages`.
+
+        .. include:: /_includes/usable-by/users.rst
+
+        Parameters:
+            hashtag (``str``, *optional*):
+                Hashtag to search for.
+
+        Returns:
+            ``int``: On success, the messages count is returned.
+
+        """
+        r = await self.invoke(
+            raw.functions.channels.SearchPosts(
+                hashtag=hashtag,
+                offset_rate=0,
+                offset_peer=raw.types.InputPeerEmpty(),
+                offset_id=0,
+                limit=1
+            )
+        )
+
+        if hasattr(r, "count"):
+            return r.count
+        else:
+            return len(r.messages)