From 60e35c1bb9ba3c5e17c0073e0ad68d92ace67ce7 Mon Sep 17 00:00:00 2001
From: Tulir Asokan <tulir@maunium.net>
Date: Sat, 10 Aug 2019 14:24:26 +0300
Subject: [PATCH] Add command to sync specific portal

---
 mautrix_telegram/commands/portal/misc.py | 21 +++++++++++++++++++++
 mautrix_telegram/portal/metadata.py      | 17 ++++++++++-------
 mautrix_telegram/puppet.py               |  4 +++-
 3 files changed, 34 insertions(+), 8 deletions(-)

diff --git a/mautrix_telegram/commands/portal/misc.py b/mautrix_telegram/commands/portal/misc.py
index d42000c2..bc74b4d2 100644
--- a/mautrix_telegram/commands/portal/misc.py
+++ b/mautrix_telegram/commands/portal/misc.py
@@ -37,6 +37,27 @@ async def sync_state(evt: CommandEvent) -> EventID:
     await evt.reply("Synchronization complete")
 
 
+@command_handler(needs_admin=False, needs_puppeting=False, needs_auth=False,
+                 help_section=SECTION_MISC)
+async def sync_full(evt: CommandEvent) -> EventID:
+    portal = po.Portal.get_by_mxid(evt.room_id)
+    if not portal:
+        return await evt.reply("This is not a portal room.")
+
+    if evt.args[0] == "--usebot" and evt.sender.is_admin:
+        src = evt.tgbot
+    else:
+        src = evt.tgbot if await evt.sender.needs_relaybot(portal) else evt.sender
+
+    try:
+        entity = await src.client.get_entity(portal.peer)
+    except ValueError:
+        return await evt.reply("Failed to get portal info from Telegram.")
+
+    await portal.update_matrix_room(src, entity)
+    return await evt.reply("Portal synced successfully.")
+
+
 @command_handler(name="id", needs_admin=False, needs_puppeting=False, needs_auth=False,
                  help_section=SECTION_MISC,
                  help_text="Get the ID of the Telegram chat where this room is bridged.")
diff --git a/mautrix_telegram/portal/metadata.py b/mautrix_telegram/portal/metadata.py
index e1b0cd84..e5f3ccea 100644
--- a/mautrix_telegram/portal/metadata.py
+++ b/mautrix_telegram/portal/metadata.py
@@ -188,10 +188,12 @@ class PortalMetadata(BasePortal, ABC):
             await self.main_intent.invite_user(self.mxid, users, check_cache=True)
 
     async def update_matrix_room(self, user: 'AbstractUser', entity: Union[TypeChat, User],
-                                 direct: bool, puppet: p.Puppet = None,
+                                 direct: bool = None, puppet: p.Puppet = None,
                                  levels: PowerLevelStateEventContent = None,
                                  users: List[User] = None,
                                  participants: List[TypeParticipant] = None) -> None:
+        if direct is None:
+            direct = self.peer_type == "user"
         try:
             await self._update_matrix_room(user, entity, direct, puppet, levels, users,
                                            participants)
@@ -199,10 +201,10 @@ class PortalMetadata(BasePortal, ABC):
             self.log.exception("Fatal error updating Matrix room")
 
     async def _update_matrix_room(self, user: 'AbstractUser', entity: Union[TypeChat, User],
-                                 direct: bool, puppet: p.Puppet = None,
-                                 levels: PowerLevelStateEventContent = None,
-                                 users: List[User] = None,
-                                 participants: List[TypeParticipant] = None) -> None:
+                                  direct: bool, puppet: p.Puppet = None,
+                                  levels: PowerLevelStateEventContent = None,
+                                  users: List[User] = None,
+                                  participants: List[TypeParticipant] = None) -> None:
         if not direct:
             await self.update_info(user, entity)
             if not users or not participants:
@@ -526,8 +528,9 @@ class PortalMetadata(BasePortal, ABC):
 
         if self.peer_type == "channel":
             changed = await self._update_username(entity.username) or changed
-            # TODO update about text
-            # changed = self.update_about(entity.about) or changed
+
+        if hasattr(entity, "about"):
+            changed = self._update_about(entity.about) or changed
 
         changed = await self._update_title(entity.title) or changed
 
diff --git a/mautrix_telegram/puppet.py b/mautrix_telegram/puppet.py
index 3da92731..cb3c9d9f 100644
--- a/mautrix_telegram/puppet.py
+++ b/mautrix_telegram/puppet.py
@@ -192,7 +192,9 @@ class Puppet(CustomPuppetMixin):
     def _filter_name(name: str) -> str:
         if not name:
             return ""
-        whitespace = ("\t\n\r\v\f \u00a0\u034f\u180e\u2063\u202f\u205f\u2800\u3000\u3164\ufeff\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u200c\u200d\u200e\u200f")
+        whitespace = ("\t\n\r\v\f \u00a0\u034f\u180e\u2063\u202f\u205f\u2800\u3000\u3164\ufeff"
+                      "\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b"
+                      "\u200c\u200d\u200e\u200f")
         name = "".join(c for c in name.strip(whitespace) if unicodedata.category(c) != 'Cf')
         return name