update chức năng gán file mp3 vào trang pdf

backend/app/routers/audio.py

@@ -18,7 +18,7 @@ from sqlalchemy.orm import Session
 from ..database import get_db
 from ..dependencies import get_current_user, require_role
 from ..models import PDF, PDFAudio, UserRole
-from ..schemas import AudioOut, AudioUploadResult
+from ..schemas import AudioOut, AudioPatch, AudioUploadResult
 
 router = APIRouter(prefix="/pdfs", tags=["audio"])
 
@@ -138,6 +138,30 @@ async def upload_audio(
     return results
 
 
+# ── PATCH /api/pdfs/{pdf_id}/audio/{audio_id} ───────────────────────────────
+
+@router.patch("/{pdf_id}/audio/{audio_id}", response_model=AudioOut)
+def patch_audio(
+    pdf_id: int,
+    audio_id: int,
+    body: AudioPatch,
+    current_user=Depends(require_role(UserRole.admin, UserRole.teacher)),
+    db: Session = Depends(get_db),
+):
+    track = db.query(PDFAudio).filter(PDFAudio.id == audio_id, PDFAudio.pdf_id == pdf_id).first()
+    if not track:
+        raise HTTPException(status_code=404, detail="Audio track not found.")
+    if body.track_name is not None:
+        track.track_name = body.track_name
+    if body.page_number is not None:
+        track.page_number = body.page_number if body.page_number > 0 else None
+    if body.sort_order is not None:
+        track.sort_order = body.sort_order
+    db.commit()
+    db.refresh(track)
+    return AudioOut.model_validate(track)
+
+
 # ── DELETE /api/pdfs/{pdf_id}/audio/{audio_id} ───────────────────────────────
 
 @router.delete("/{pdf_id}/audio/{audio_id}", status_code=status.HTTP_204_NO_CONTENT)