fixes before build

lib/services/product_repository.dart

@@ -392,10 +392,11 @@ class ProductRepository extends ChangeNotifier {
     ProductSort sort = ProductSort.name,
   }) async {
     final db = await _database;
+    final favouritesOnly = sort == ProductSort.favourite;
     final orderBy = switch (sort) {
       ProductSort.name => 'name COLLATE NOCASE ASC',
       ProductSort.preferred => 'times_seen DESC, name COLLATE NOCASE ASC',
-      ProductSort.start => 'favourite DESC, name COLLATE NOCASE ASC',
+      ProductSort.favourite => 'name COLLATE NOCASE ASC',
     };
     final rows = await db.rawQuery('''
       SELECT
@@ -409,6 +410,7 @@ class ProductRepository extends ChangeNotifier {
           LIMIT 1
         ) AS display_price
       FROM products
+      ${favouritesOnly ? 'WHERE favourite = 1' : ''}
       ORDER BY $orderBy
     ''');
     return rows.map(Product.fromMap).toList();
@@ -1436,6 +1438,21 @@ class ProductRepository extends ChangeNotifier {
     return rows.map(Supermarket.fromMap).toList();
   }
 
+  /// Store names from newest trip to oldest, unique.
+  Future<List<String>> getLastTripSupermarkets() async {
+    final db = await _database;
+    final rows = await db.rawQuery('''
+      SELECT supermarket
+      FROM shops
+      GROUP BY supermarket
+      ORDER BY MAX(shopped_at) DESC, MAX(id) DESC
+    ''');
+    return [
+      for (final row in rows)
+        if (row['supermarket'] is String) row['supermarket']! as String,
+    ];
+  }
+
   Future<Supermarket> addSupermarket({
     required String name,
     required int colorValue,