start project

app/utils/upload_paths.py

@@ -0,0 +1,20 @@
+"""Shared upload-path helper (Chapter 04) — used by the uploads blueprint,
+the optional CLI processor, and the automatic background-thread processor,
+so there's one definition of where a given LogFile's raw upload lives on
+disk. Pulled out of the uploads blueprint so services/ doesn't have to
+import from blueprints/ (the wrong direction) to reach it.
+"""
+from __future__ import annotations
+
+from pathlib import Path
+
+from flask import current_app
+
+from app.models.log_file import LogFile
+
+
+def upload_path_for(log_file: LogFile) -> Path:
+    """Deterministic on-disk path for a LogFile row — avoids a new DB column."""
+    ext = Path(log_file.filename).suffix.lower()
+    upload_dir = Path(current_app.config["UPLOAD_DIR"])
+    return upload_dir / f"{log_file.id}{ext}"