Add stash backups to database transfers in the webui

d2warehouse/app/main.py

@@ -1,6 +1,8 @@
 import hashlib
 from flask import Flask, redirect, abort, render_template, request
 from pathlib import Path
+import shutil
+from datetime import datetime
 
 import psutil
 from d2warehouse.item import Item
@@ -109,7 +111,7 @@ def stash_store_items(stash_name: str):
         item = stash.tabs[tab_idx].items[item_idx]
         items.append((tab_idx, item))
 
-    # TODO: create backups
+    backup_stash(stash_name)
 
     for tab_idx, item in items:
         stash.tabs[tab_idx].remove(item)
@@ -140,6 +142,16 @@ def list_storage(stash_name: str):
     )
 
 
+def backup_stash(stash_name: str) -> None:
+    stash_path = save_path() / STASH_FILES[stash_name]
+    backup_path = save_path() / "backups"
+    if not backup_path.exists():
+        backup_path.mkdir(parents=True)
+    ts = datetime.now().strftime("%Y-%m-%d_%H.%M.%S.%f")[:-3]
+    backup_path /= f"{ts}_{STASH_FILES[stash_name]}"
+    shutil.copy(stash_path, backup_path)
+
+
 @app.route("/storage/<stash_name>/take", methods=["POST"])
 def storage_take_items(stash_name: str):
     if stash_name not in STASH_FILES or stash_name not in DB_FILES:
@@ -157,12 +169,15 @@ def storage_take_items(stash_name: str):
 
     stash_data = stash_path.read_bytes()
     stash = parse_stash(stash_data)
-
+    backup_stash(stash_name)
-    # TODO: create backups
 
     # Write items to temporary stash file
     db = get_stash_db(stash_name)
-    ids = [y.group(1) for x in request.form.keys() if (y := re.match(r"item_(\d+)", x))]
+    ids = [
+        int(y.group(1))
+        for x in request.form.keys()
+        if (y := re.match(r"item_(\d+)", x))
+    ]
     for id in ids:
         item = Item.load_from_db(id, db=db)
         try: