parser logic added

lib/models/shopping_list.dart

@@ -0,0 +1,57 @@
+/// A named list of things to buy.
+library;
+
+class ShoppingList {
+  const ShoppingList({
+    required this.id,
+    required this.name,
+    required this.itemCount,
+    required this.checkedCount,
+    required this.updatedAt,
+  });
+
+  final int id;
+  final String name;
+  final int itemCount;
+  final int checkedCount;
+  final DateTime updatedAt;
+
+  factory ShoppingList.fromMap(Map<String, Object?> map) {
+    return ShoppingList(
+      id: map['id']! as int,
+      name: map['name']! as String,
+      itemCount: (map['item_count'] as num?)?.toInt() ?? 0,
+      checkedCount: (map['checked_count'] as num?)?.toInt() ?? 0,
+      updatedAt: DateTime.parse(map['updated_at']! as String),
+    );
+  }
+}
+
+class ShoppingListItem {
+  const ShoppingListItem({
+    required this.id,
+    required this.listId,
+    required this.name,
+    required this.checked,
+    required this.sortOrder,
+    this.productId,
+  });
+
+  final int id;
+  final int listId;
+  final String name;
+  final bool checked;
+  final int sortOrder;
+  final int? productId;
+
+  factory ShoppingListItem.fromMap(Map<String, Object?> map) {
+    return ShoppingListItem(
+      id: map['id']! as int,
+      listId: map['list_id']! as int,
+      name: map['name']! as String,
+      checked: (map['checked'] as int? ?? 0) == 1,
+      sortOrder: (map['sort_order'] as num?)?.toInt() ?? 0,
+      productId: map['product_id'] as int?,
+    );
+  }
+}