add doom scroll

backend/app/routers/libraries.py

@@ -2,10 +2,11 @@ from pathlib import Path
 from fastapi import APIRouter, BackgroundTasks, Depends, HTTPException
 from sqlalchemy.ext.asyncio import AsyncSession
 from sqlalchemy import select
+from sqlalchemy.orm import selectinload
 
 from app.database import get_db
 from app.models import Library, MediaItem
-from app.schemas import LibraryCreate, LibraryOut, BrowseResult, BrowseEntry
+from app.schemas import LibraryCreate, LibraryOut, MediaItemOut, BrowseResult, BrowseEntry
 from app.services import scanner, watcher as watcher_service
 
 router = APIRouter(prefix="/libraries", tags=["libraries"])
@@ -63,6 +64,28 @@ async def rescan_library(
     return {"scanning": True}
 
 
+@router.get("/{library_id}/doom-scroll", response_model=list[MediaItemOut])
+async def doom_scroll(
+    library_id: int,
+    path: str = "",
+    db: AsyncSession = Depends(get_db),
+):
+    result = await db.execute(select(Library).where(Library.id == library_id))
+    if not result.scalars().first():
+        raise HTTPException(404, "Library not found")
+
+    stmt = (
+        select(MediaItem)
+        .options(selectinload(MediaItem.tags))
+        .where(MediaItem.library_id == library_id, MediaItem.missing == False)  # noqa: E712
+    )
+    if path:
+        stmt = stmt.where(MediaItem.rel_path.like(path + "/%"))
+
+    result = await db.execute(stmt)
+    return result.scalars().all()
+
+
 @router.delete("/{library_id}", status_code=204)
 async def delete_library(library_id: int, db: AsyncSession = Depends(get_db)):
     result = await db.execute(select(Library).where(Library.id == library_id))