From 754e8f214b940e05298cb360ed829f5c685d55a5 Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Thu, 25 Jul 2024 11:07:33 -0500
Subject: Rename module: qc_app --> uploader

---
 uploader/files.py | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 uploader/files.py

(limited to 'uploader/files.py')

diff --git a/uploader/files.py b/uploader/files.py
new file mode 100644
index 0000000..b163612
--- /dev/null
+++ b/uploader/files.py
@@ -0,0 +1,26 @@
+"""Utilities to deal with uploaded files."""
+import hashlib
+from pathlib import Path
+from datetime import datetime
+from flask import current_app
+
+from werkzeug.utils import secure_filename
+from werkzeug.datastructures import FileStorage
+
+def save_file(fileobj: FileStorage, upload_dir: Path) -> Path:
+    """Save the uploaded file and return the path."""
+    assert bool(fileobj), "Invalid file object!"
+    hashed_name = hashlib.sha512(
+        f"{fileobj.filename}::{datetime.now().isoformat()}".encode("utf8")
+    ).hexdigest()
+    filename = Path(secure_filename(hashed_name)) # type: ignore[arg-type]
+    if not upload_dir.exists():
+        upload_dir.mkdir()
+
+    filepath = Path(upload_dir, filename)
+    fileobj.save(filepath)
+    return filepath
+
+def fullpath(filename: str):
+    """Get a file's full path. This makes use of `flask.current_app`."""
+    return Path(current_app.config["UPLOAD_FOLDER"], filename).absolute()
-- 
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