validate jellyfin image url

jellyfin/models.py

@@ -1,4 +1,4 @@
-from pydantic import BaseModel
+from pydantic import BaseModel, HttpUrl
 from enum import StrEnum
 from typing import Optional, Union
 from discord.models import DiscordRPCUpdatePayload
@@ -28,7 +28,7 @@ class JellyfinMediaItem(BaseModel):
     id: str
     name: str
     type: JellyfinMediaType
-    image_url: str
+    image_url: HttpUrl
     start: Optional[int]
     end: Optional[int]
     metadata: Union[JellyfinMusicMediaMetadata,
@@ -49,7 +49,7 @@ class JellyfinMediaItem(BaseModel):
                     self.name}",
                 subtitle=f"by {
                     self.metadata.artist}",
-                image_url=self.image_url,
+                image_url=str(self.image_url),
                 details=self.metadata.album,
                 activity_type=ActivityType.LISTENING,
                 start=self.start,
@@ -59,7 +59,7 @@ class JellyfinMediaItem(BaseModel):
                 id=self.id,
                 title=f"Watching {self.name}",
                 subtitle=self.metadata.date,
-                image_url=self.image_url,
+                image_url=str(self.image_url),
                 details=self.name,
                 activity_type=ActivityType.WATCHING,
                 start=self.start,
@@ -70,7 +70,7 @@ class JellyfinMediaItem(BaseModel):
                 id=self.id,
                 title=f"Watching {self.name}",
                 subtitle=self.metadata.subtitle,
-                image_url=self.image_url,
+                image_url=str(self.image_url),
                 details=self.name,
                 activity_type=ActivityType.WATCHING,
                 start=self.start,