major refactor

core/db/assets.py

@@ -0,0 +1,48 @@
+"""Database operations for MediaAsset."""
+
+from typing import Optional
+from uuid import UUID
+
+
+def list_assets(status: Optional[str] = None, search: Optional[str] = None):
+    from admin.mpr.media_assets.models import MediaAsset
+
+    qs = MediaAsset.objects.all()
+    if status:
+        qs = qs.filter(status=status)
+    if search:
+        qs = qs.filter(filename__icontains=search)
+    return list(qs)
+
+
+def get_asset(id: UUID):
+    from admin.mpr.media_assets.models import MediaAsset
+
+    return MediaAsset.objects.get(id=id)
+
+
+def get_asset_filenames() -> set[str]:
+    from admin.mpr.media_assets.models import MediaAsset
+
+    return set(MediaAsset.objects.values_list("filename", flat=True))
+
+
+def create_asset(*, filename: str, file_path: str, file_size: int):
+    from admin.mpr.media_assets.models import MediaAsset
+
+    return MediaAsset.objects.create(
+        filename=filename,
+        file_path=file_path,
+        file_size=file_size,
+    )
+
+
+def update_asset(asset, **fields):
+    for key, value in fields.items():
+        setattr(asset, key, value)
+    asset.save(update_fields=list(fields.keys()))
+    return asset
+
+
+def delete_asset(asset):
+    asset.delete()