Added meals column to the RESTAURANTS table

created a new column named meals and changed the way of inserting the restaurant and meals in the database

packages/uni_app/lib/controller/local_storage/database/app_restaurant_database.dart

@@ -1,3 +1,4 @@
+import 'dart:convert';
 import 'package:intl/intl.dart';
 import 'package:sqflite/sqflite.dart';
 import 'package:uni/controller/local_storage/database/app_database.dart';
@@ -14,7 +15,8 @@ class RestaurantDatabase extends AppDatabase<List<Restaurant>> {
           CREATE TABLE RESTAURANTS(
           id INTEGER PRIMARY KEY,
           ref TEXT,
-          name TEXT)
+          name TEXT,
+          meals TEXT)
           ''',
             '''
           CREATE TABLE MEALS(
@@ -65,6 +67,7 @@ class RestaurantDatabase extends AppDatabase<List<Restaurant>> {
       for (final restaurantMap in restaurantsFromDB) {
         final id = restaurantMap['id'] as int;
         final meals = await getRestaurantMeals(txn, id);
+
         final restaurant = Restaurant.fromMap(restaurantMap, meals);
         restaurants.add(restaurant);
       }
@@ -104,7 +107,15 @@ class RestaurantDatabase extends AppDatabase<List<Restaurant>> {
 
   /// Insert restaurant and meals in database
   Future<void> insertRestaurant(Transaction txn, Restaurant restaurant) async {
-    final id = await txn.insert('RESTAURANTS', restaurant.toJson());
+    final mealsJson = jsonEncode(restaurant.meals);
+
+    final restaurantMap = {
+      'ref': restaurant.reference,
+      'name': restaurant.name,
+      'meals': mealsJson,
+    };
+    final id = await txn.insert('RESTAURANTS', restaurantMap);
+
     restaurant.meals.forEach((dayOfWeak, meals) async {
       for (final meal in meals) {
         await txn.insert('MEALS', meal.toMap(id));