Transcriber: video accept, delete buttons, live status spinner; Files: delete button

portal/main.py

@@ -38,7 +38,7 @@ from .database import (
     get_user_by_username,
     init_db,
 )
-from .tasks import ensure_user_bucket, transcribe_audio, transcribe_sheetmusic
+from .tasks import celery_app, ensure_user_bucket, transcribe_audio, transcribe_sheetmusic
 from .s3 import list_prefix, list_recent, s3_bucket_name, s3_client
 from .tools import section_color, section_label, tools_for_user
 
@@ -559,11 +559,12 @@ async def transcriber_transcribe(
     if user is None:
         return RedirectResponse("/login", status_code=303)
     bucket = s3_bucket_name(user.username)
+    task_id = ""
     try:
-        transcribe_audio.delay(bucket, key, user.username)
+        task_id = transcribe_audio.delay(bucket, key, user.username).id
     except Exception:
         logger.warning("could not enqueue transcription (broker down?)", exc_info=True)
-    return RedirectResponse("/transcriber?status=started", status_code=303)
+    return RedirectResponse(f"/transcriber?status=started&task={task_id}", status_code=303)
 
 
 @app.post("/transcriber/upload")
@@ -582,11 +583,46 @@ async def transcriber_upload(
     await run_in_threadpool(
         lambda: s3_client().put_object(Bucket=bucket, Key=key, Body=content)
     )
+    task_id = ""
     try:
-        transcribe_audio.delay(bucket, key, user.username)
+        task_id = transcribe_audio.delay(bucket, key, user.username).id
     except Exception:
         logger.warning("could not enqueue transcription after upload", exc_info=True)
-    return RedirectResponse("/transcriber?status=started", status_code=303)
+    return RedirectResponse(f"/transcriber?status=started&task={task_id}", status_code=303)
+
+
+@app.get("/api/transcriber/status")
+async def transcriber_status(task: str):
+    from celery.result import AsyncResult
+    r = AsyncResult(task, app=celery_app)
+    return {"state": r.state, "result": r.result if r.state == "SUCCESS" else None}
+
+
+@app.post("/transcriber/delete")
+async def transcriber_delete(request: Request, key: Annotated[str, Form()]) -> HTMLResponse:
+    user = await _current_user(request)
+    if user is None:
+        return RedirectResponse("/login", status_code=303)
+    bucket = s3_bucket_name(user.username)
+    try:
+        await run_in_threadpool(lambda: s3_client().delete_object(Bucket=bucket, Key=key))
+    except Exception:
+        logger.warning("transcriber delete failed", exc_info=True)
+    return RedirectResponse("/transcriber", status_code=303)
+
+
+@app.post("/files/delete")
+async def files_delete(request: Request, name: Annotated[str, Form()]) -> HTMLResponse:
+    user = await _current_user(request)
+    if user is None:
+        return RedirectResponse("/login", status_code=303)
+    p = _resolve_shared(user.username, name)
+    if p is not None:
+        try:
+            p.unlink()
+        except Exception:
+            logger.warning("files delete failed", exc_info=True)
+    return RedirectResponse("/files", status_code=303)
 
 
 @app.get("/transcriber/download")
@@ -618,11 +654,12 @@ async def transcriber_sheetmusic(
     if user is None:
         return RedirectResponse("/login", status_code=303)
     bucket = s3_bucket_name(user.username)
+    task_id = ""
     try:
-        transcribe_sheetmusic.delay(bucket, key, user.username)
+        task_id = transcribe_sheetmusic.delay(bucket, key, user.username).id
     except Exception:
         logger.warning("could not enqueue sheet-music transcription", exc_info=True)
-    return RedirectResponse("/transcriber?status=started-mus", status_code=303)
+    return RedirectResponse(f"/transcriber?status=started-mus&task={task_id}", status_code=303)
 
 
 @app.get("/api/status")