Initial project baseline

backend/service/storage.py

@@ -0,0 +1,27 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from .schemas import JobPaths
+
+
+class Storage:
+    def __init__(self, base_dir: Path) -> None:
+        self.base_dir = base_dir
+        self.base_dir.mkdir(parents=True, exist_ok=True)
+
+    def prepare_job_dirs(self, job_id: str) -> JobPaths:
+        root = self.base_dir / job_id
+        input_dir = root / "input"
+        output_dir = root / "output"
+        input_dir.mkdir(parents=True, exist_ok=True)
+        output_dir.mkdir(parents=True, exist_ok=True)
+
+        return JobPaths(
+            root=root,
+            input_dir=input_dir,
+            output_dir=output_dir,
+            mask_path=input_dir / "mask.png",
+            excel_path=input_dir / "names.xlsx",
+            config_path=root / "config.json",
+        )