feat: add backfills logic

backend/src/userbot/modules/jobs/handlers/fetch_media.py

@@ -0,0 +1,23 @@
+from userbot.modules.jobs.context import JobContext
+from userbot.modules.jobs.registry import register
+from userbot.modules.media import capture_media
+from utils.policy.models import CaptureToggles
+
+
+@register("fetch_media")
+async def fetch_media(ctx: JobContext) -> None:
+    client = ctx.client
+    if client is None:
+        return
+    capture = getattr(client, "capture", None)
+    if capture is None:
+        return
+    chat_id = ctx.job.params["chat_id"]
+    message_id = ctx.job.params["message_id"]
+    message = await client.get_messages(chat_id, message_id)
+    if isinstance(message, list):
+        message = message[0] if message else None
+    if message is None or message.empty:
+        return
+    toggles = CaptureToggles(media=True, self_destruct_media=True)
+    await capture_media(client, message, capture, chat_id, message_id, toggles)