initial commit

backend/app/routers/search.py

@@ -0,0 +1,44 @@
+from fastapi import APIRouter, Depends, Query
+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 MediaItem, media_item_tags
+from app.schemas import MediaItemOut
+
+router = APIRouter(prefix="/search", tags=["search"])
+
+
+@router.get("", response_model=list[MediaItemOut])
+async def search(
+    q: str = Query(default=""),
+    tags: str = Query(default=""),
+    library_id: int | None = Query(default=None),
+    db: AsyncSession = Depends(get_db),
+):
+    stmt = (
+        select(MediaItem)
+        .options(selectinload(MediaItem.tags))
+        .where(MediaItem.missing == False)  # noqa: E712
+    )
+
+    if q:
+        stmt = stmt.where(MediaItem.filename.ilike(f"%{q}%"))
+
+    if library_id is not None:
+        stmt = stmt.where(MediaItem.library_id == library_id)
+
+    if tags:
+        tag_ids = [int(t.strip()) for t in tags.split(",") if t.strip().isdigit()]
+        for tag_id in tag_ids:
+            stmt = stmt.where(
+                MediaItem.id.in_(
+                    select(media_item_tags.c.media_item_id).where(
+                        media_item_tags.c.tag_id == tag_id
+                    )
+                )
+            )
+
+    result = await db.execute(stmt.order_by(MediaItem.filename).limit(200))
+    return result.scalars().all()