feat: Strava support — bulk-export .gz/.tcx import fix + .tcx parser; full Strava API OAuth live sync (activities via streams) with Profile connect UI; colour gym/no-GPS sports red

backend/app/api/upload.py

@@ -74,6 +74,33 @@ def _safe_extract(zf: zipfile.ZipFile, dest_dir: Path) -> list[Path]:
     return extracted
 
 
+def _gunzip(path: Path) -> Path | None:
+    """Decompress a .gz member to a sibling file without the .gz suffix,
+    enforcing the same uncompressed-size cap. Returns the new path, or None on
+    failure. The .gz is removed once expanded."""
+    import gzip
+    out_path = path.with_suffix("")  # strips the trailing .gz
+    try:
+        total = 0
+        with gzip.open(path, "rb") as src, open(out_path, "wb") as out:
+            while True:
+                chunk = src.read(_CHUNK)
+                if not chunk:
+                    break
+                total += len(chunk)
+                if total > MAX_EXTRACT_SIZE:
+                    out.close()
+                    out_path.unlink(missing_ok=True)
+                    return None
+                out.write(chunk)
+    except (OSError, EOFError):
+        out_path.unlink(missing_ok=True)
+        return None
+    finally:
+        path.unlink(missing_ok=True)
+    return out_path
+
+
 @router.post("/activity")
 async def upload_activity(
     file: UploadFile = File(...),
@@ -81,10 +108,10 @@ async def upload_activity(
     db: AsyncSession = Depends(get_db),
     current_user: User = Depends(get_current_user),
 ):
-    """Upload a single .fit or .gpx activity file."""
+    """Upload a single .fit, .gpx or .tcx activity file."""
     suffix = Path(file.filename).suffix.lower()
-    if suffix not in {".fit", ".gpx"}:
-        raise HTTPException(status_code=400, detail="Only .fit and .gpx files are supported")
+    if suffix not in {".fit", ".gpx", ".tcx"}:
+        raise HTTPException(status_code=400, detail="Only .fit, .gpx and .tcx files are supported")
 
     dest_dir = Path(settings.file_store_path) / str(current_user.id) / "activities"
     dest = save_upload(file, dest_dir)
@@ -184,15 +211,24 @@ async def upload_strava_export(
         raise HTTPException(status_code=400, detail="Uploaded file is not a valid ZIP archive")
 
     for path in extracted:
+        # Strava compresses most exported activities as <id>.fit.gz / .gpx.gz /
+        # .tcx.gz. Decompress those to their underlying file first, otherwise the
+        # gzipped majority of the archive is silently skipped.
+        if path.suffix.lower() == ".gz":
+            inner = _gunzip(path)
+            if inner is None:
+                continue
+            path = inner
+
         suffix = path.suffix.lower()
-        if suffix in (".fit", ".gpx"):
+        if suffix in (".fit", ".gpx", ".tcx"):
             task = process_activity_file.delay(str(path), current_user.id, suffix[1:])
             task_ids.append(task.id)
 
     if not task_ids:
         raise HTTPException(
             status_code=400,
-            detail="No activity files (.fit or .gpx) found in this Strava archive",
+            detail="No activity files (.fit, .gpx or .tcx) found in this Strava archive",
         )
 
     return {