Commit inicial - upload de todos os arquivos da pasta

app/storage.py

@@ -0,0 +1,33 @@
+"""Helpers de armazenamento seguro dos arquivos enviados."""
+
+from __future__ import annotations
+
+import os
+import re
+from pathlib import Path
+
+from .config import get_settings
+
+
+def safe_original_name(name: str) -> str:
+    return os.path.basename(name or "").replace("\x00", "") or "upload"
+
+
+def unique_storage_name(original: str) -> str:
+    upload_dir = get_settings().upload_dir
+    stem = re.sub(r"[^A-Za-z0-9_.-]+", "_", Path(original).stem).strip("._") or "upload"
+    suffix = Path(original).suffix.lower()
+    index = 0
+    while True:
+        candidate = f"{stem}{'-' + str(index) if index else ''}{suffix}"
+        if not (upload_dir / candidate).exists():
+            return candidate
+        index += 1
+
+
+def money(value: object) -> str:
+    try:
+        amount = float(value or 0)
+    except (TypeError, ValueError):
+        amount = 0.0
+    return f"R$ {amount:,.2f}".replace(",", "X").replace(".", ",").replace("X", ".")