First commit

pb_hooks/items.pb.js

@@ -0,0 +1,44 @@
+// Auto-manage shopping list when item quantity changes relative to min_stock_threshold
+onRecordAfterUpdateSuccess((e) => {
+  const item = e.record;
+  const qty = item.getFloat('quantity');
+  const minStock = item.getFloat('min_stock_threshold');
+
+  if (!minStock || minStock === 0) return;
+
+  const householdId = item.getString('household');
+  const app = e.app;
+
+  const existing = app.findRecordsByFilter(
+    'shopping_list',
+    `item_id = "${item.id}" && is_checked = false`,
+    '',
+    1,
+    0
+  );
+
+  if (qty <= minStock && existing.length === 0) {
+    const col = app.findCollectionByNameOrId('shopping_list');
+    const entry = new Record(col);
+    entry.set('household', householdId);
+    entry.set('item_id', item.id);
+    entry.set('name', item.getString('name'));
+    entry.set('suggested_quantity', minStock - qty + 1);
+    entry.set('unit', item.getString('unit'));
+    entry.set('is_checked', false);
+    entry.set('auto_added', true);
+    app.save(entry);
+
+    if (!item.getBool('on_shopping_list')) {
+      item.set('on_shopping_list', true);
+      app.save(item);
+    }
+  } else if (qty > minStock && existing.length > 0) {
+    app.delete(existing[0]);
+
+    if (item.getBool('on_shopping_list')) {
+      item.set('on_shopping_list', false);
+      app.save(item);
+    }
+  }
+}, 'items');