Model item events: add a media_http_url field

src/backend/matrix_client.py

@@ -838,6 +838,7 @@ class MatrixClient(nio.AsyncClient):
             inline_content = content["body"],
 
             media_url        = url,
+            media_http_url   = await self.mxc_to_http(url),
             media_title      = path.name,
             media_width      = content["info"].get("w", 0),
             media_height     = content["info"].get("h", 0),

src/backend/models/items.py

@@ -280,6 +280,7 @@ class Event(ModelItem):
     source:        Optional[nio.Event] = None
 
     media_url:        str              = ""
+    media_http_url:   str              = ""
     media_title:      str              = ""
     media_width:      int              = 0
     media_height:     int              = 0

src/backend/nio_callbacks.py

@@ -209,6 +209,7 @@ class NioCallbacks:
             inline_content = ev.body,
 
             media_url        = ev.url,
+            media_http_url   = await self.client.mxc_to_http(ev.url),
             media_title      = ev.body,
             media_width      = info.get("w") or 0,
             media_height     = info.get("h") or 0,
@@ -615,8 +616,10 @@ class NioCallbacks:
         else:
             co = "%1 removed the room's picture"
 
+        http = await self.client.mxc_to_http(ev.avatar_url)
+
         await self.client.register_nio_event(
-            room, ev, content=co, media_url=ev.avatar_url,
+            room, ev, content=co, media_url=ev.avatar_url, media_http_url=http,
         )