Store auth token to don't login everytime

apps/participation/views.py

@@ -262,6 +262,9 @@ class TeamLeaveView(LoginRequiredMixin, TemplateView):
         request.user.registration.team = None
         request.user.registration.save()
         get_sympa_client().unsubscribe(request.user.email, f"equipe-{team.trigram.lower()}", False)
+        Matrix.kick(f"#team-{team.trigram.lower()}:correspondances-maths.fr",
+                    f"@{request.user.registration.matrix_username}:correspondances-maths.fr",
+                    "Équipe quittée")
         if team.students.count() + team.coachs.count() == 0:
             team.delete()
         return redirect(reverse_lazy("index"))

corres2math/matrix.py

@@ -1,3 +1,4 @@
+import os
 from typing import Any, Dict, Optional, Union
 
 from asgiref.sync import async_to_sync
@@ -6,11 +7,27 @@ from nio import AsyncClient, RoomCreateError, RoomCreateResponse, RoomKickRespon
 
 
 class Matrix:
+    _token: str = None
+    _device_id: str = None
+
     @classmethod
     async def _get_client(cls) -> AsyncClient:
-        # TODO Store
         client = AsyncClient("https://correspondances-maths.fr", "@corres2mathbot:correspondances-maths.fr")
-        await client.login("toto1234")
+
+        if os.path.isfile(".matrix_token"):
+            with open(".matrix_device", "r") as f:
+                cls._device_id = f.read().rstrip(" \t\r\n")
+                client.device_id = cls._device_id
+            with open(".matrix_token", "r") as f:
+                cls._token = f.read().rstrip(" \t\r\n")
+                client.access_token = cls._token
+                return client
+
+        await client.login(password="toto1234", device_name="Plateforme")
+        cls._token = client.access_token
+        cls._device_id = client.device_id
+        with open(".matrix_token", "w") as f:
+            f.write(cls._token)
         return client
 
     @classmethod
@@ -49,3 +66,11 @@ class Matrix:
         if room_id.startswith("#"):
             room_id = await cls.resolve_room_alias(room_id)
         return await client.room_invite(room_id, user_id)
+
+    @classmethod
+    @async_to_sync
+    async def kick(cls, room_id: str, user_id: str, reason: str = None) -> Union[RoomKickResponse, RoomInviteError]:
+        client = await cls._get_client()
+        if room_id.startswith("#"):
+            room_id = await cls.resolve_room_alias(room_id)
+        return await client.room_kick(room_id, user_id, reason)