feat: add interface and local service (#11)

Co-authored-by: mike doornenbal <mikedoornenbal9@icloud.com>

packages/flutter_shopping_interface/lib/src/model/shop.dart

@@ -7,7 +7,7 @@ abstract class ShopInterface {
   });
 
   /// Shop id
-  final int id;
+  final String id;
 
   /// Shop name
   final String name;
@@ -21,7 +21,7 @@ class Shop implements ShopInterface {
     required this.name,
   });
   @override
-  final int id;
+  final String id;
 
   @override
   final String name;

packages/flutter_shopping_interface/lib/src/service/product_service.dart

@@ -4,10 +4,10 @@ import "package:flutter_shopping_interface/src/model/product.dart";
 /// Product service
 abstract class ProductService with ChangeNotifier {
   /// Retrieve a list of products
-  Future<List<Product>> getProducts(int shopId);
+  Future<List<Product>> getProducts(String shopId);
 
   /// Retrieve a product
-  Future<Product> getProduct(int id);
+  Future<Product> getProduct(String id);
 
   /// Retrieve a list of categories
   List<String> getCategories();

packages/flutter_shopping_interface/lib/src/service/shop_service.dart

@@ -6,4 +6,10 @@ import "package:flutter_shopping_interface/src/model/shop.dart";
 abstract class ShopService with ChangeNotifier {
   /// Retrieve a list of shops
   Future<List<Shop>> getShops();
+
+  /// Select a shop
+  void selectShop(Shop shop);
+
+  /// The currently selected shop
+  Shop? get selectedShop;
 }

packages/flutter_shopping_local/analysis_options.yaml

@@ -0,0 +1,9 @@
+include: package:flutter_iconica_analysis/components_options.yaml
+
+# Possible to overwrite the rules from the package
+
+analyzer:
+  exclude:
+
+linter:
+  rules:

packages/flutter_shopping_local/lib/flutter_shopping_local.dart

@@ -0,0 +1 @@
+export "service/service.dart";

packages/flutter_shopping_local/lib/service/local_order_service.dart

@@ -0,0 +1,15 @@
+import "package:flutter/material.dart";
+import "package:flutter_shopping_interface/flutter_shopping_interface.dart";
+
+/// Local order service
+class LocalOrderService with ChangeNotifier implements OrderService {
+  @override
+  Future<void> createOrder(
+    int shopId,
+    List<Product> products,
+    Map<String, dynamic> clientInformation,
+  ) {
+    // No use case for this method yet
+    throw UnimplementedError();
+  }
+}

packages/flutter_shopping_local/lib/service/local_product_service.dart

@@ -0,0 +1,65 @@
+import "package:flutter/material.dart";
+import "package:flutter_shopping_interface/flutter_shopping_interface.dart";
+
+/// Local product service
+class LocalProductService with ChangeNotifier implements ProductService {
+  List<Product> _products = [];
+
+  @override
+  List<String> getCategories() =>
+      _products.map((e) => e.category).toSet().toList();
+
+  @override
+  Future<Product> getProduct(String id) =>
+      Future.value(_products.firstWhere((element) => element.id == id));
+
+  @override
+  Future<List<Product>> getProducts(String shopId) async {
+    await Future.delayed(const Duration(seconds: 1));
+    _products = [
+      Product(
+        id: "1",
+        name: "White Bread",
+        imageUrl: "https://firebasestorage.googleapis.com/v0/b/appshell-demo"
+            ".appspot.com/o/shopping%2Fwhite.png"
+            "?alt=media&token=e3aa13d5-932a-4119-bdbb-89c1a1d82213",
+        category: "Bread",
+        price: 1.0,
+        description: "This is a delicious white bread",
+        hasDiscount: true,
+        discountPrice: 0.5,
+      ),
+      Product(
+        id: "2",
+        name: "Brown Bread",
+        imageUrl: "https://firebasestorage.googleapis.com/v0/b/appshell-"
+            "demo.appspot.com/o/shopping%2Fbrown.png?alt=media&"
+            "token=fbfe280d-44e6-4cde-a491-bcb7f598d22c",
+        category: "Bread",
+        price: 2.0,
+        description: "This is a delicious brown bread",
+      ),
+      Product(
+        id: "3",
+        name: "White fish",
+        imageUrl: "https://firebasestorage.googleapis.com/v0/b/appshell"
+            "-demo.appspot.com/o/shopping%2Fwhite-fish.png?alt=media"
+            "&token=61c44f84-347d-4b42-a10d-c172f167929b",
+        category: "Fish",
+        price: 1.5,
+        description: "This is a delicious white fish",
+      ),
+      Product(
+        id: "4",
+        name: "Brown fish",
+        imageUrl: "https://firebasestorage.googleapis.com/v0/b/appshel"
+            "l-demo.appspot.com/o/shopping%2Fbrown-fish.png?alt=media&"
+            "token=b743a53c-c4bb-49ac-8894-a08132992902",
+        category: "Fish",
+        price: 1.5,
+        description: "This is a delicious Brown fish",
+      ),
+    ];
+    return Future.value(_products);
+  }
+}

packages/flutter_shopping_local/lib/service/local_shop_service.dart

@@ -0,0 +1,35 @@
+import "package:flutter/material.dart";
+import "package:flutter_shopping_interface/flutter_shopping_interface.dart";
+
+/// A service that provides a list of shops.
+class LocalShopService with ChangeNotifier implements ShopService {
+  Shop? _selectedShop;
+
+  @override
+  Future<List<Shop>> getShops() async {
+    await Future.delayed(const Duration(seconds: 1));
+    var shops = <Shop>[
+      const Shop(id: "1", name: "Bakkerij de Goudkorst"),
+      const Shop(id: "2", name: "Slagerij PuurVlees"),
+      const Shop(id: "3", name: "De GroenteHut"),
+      const Shop(id: "4", name: "Pizzeria Ciao"),
+      const Shop(id: "5", name: "Cafetaria Roos"),
+      const Shop(id: "6", name: "Zeebries Visdelicatessen"),
+      const Shop(id: "7", name: "De Oosterse Draak"),
+    ];
+    return Future.value(shops);
+  }
+
+  /// Updates the selected shop.
+  @override
+  void selectShop(Shop shop) {
+    if (_selectedShop == shop) return;
+
+    _selectedShop = shop;
+    notifyListeners();
+  }
+
+  /// The currently selected shop.
+  @override
+  Shop? get selectedShop => _selectedShop;
+}

packages/flutter_shopping_local/lib/service/local_shopping_cart_service.dart

@@ -0,0 +1,57 @@
+import "package:flutter/material.dart";
+import "package:flutter_shopping_interface/flutter_shopping_interface.dart";
+
+/// Local shopping cart service
+class LocalShoppingCartService
+    with ChangeNotifier
+    implements ShoppingCartService {
+  final List<Product> _products = [];
+  @override
+  void addProduct(Product product) {
+    if (_products.contains(product)) {
+      var index = _products.indexOf(product);
+      _products[index].quantity++;
+    } else {
+      _products.add(product);
+    }
+    notifyListeners();
+  }
+
+  @override
+  void clear() {
+    _products.clear();
+    notifyListeners();
+  }
+
+  @override
+  int countProducts() {
+    var count = 0;
+    for (var product in _products) {
+      count += product.quantity;
+    }
+    notifyListeners();
+    return count;
+  }
+
+  @override
+  void removeOneProduct(Product product) {
+    if (_products.contains(product)) {
+      var index = _products.indexOf(product);
+      if (_products[index].quantity > 1) {
+        _products[index].quantity--;
+      } else {
+        _products.removeAt(index);
+      }
+    }
+    notifyListeners();
+  }
+
+  @override
+  void removeProduct(Product product) {
+    if (_products.contains(product)) {
+      var index = _products.indexOf(product);
+      _products.removeAt(index);
+    }
+    notifyListeners();
+  }
+}

packages/flutter_shopping_local/lib/service/local_shopping_service.dart

@@ -0,0 +1,45 @@
+import "package:flutter_shopping_interface/flutter_shopping_interface.dart";
+import "package:flutter_shopping_local/service/local_order_service.dart";
+import "package:flutter_shopping_local/service/local_product_service.dart";
+import "package:flutter_shopping_local/service/local_shop_service.dart";
+import "package:flutter_shopping_local/service/local_shopping_cart_service.dart";
+
+/// Local shopping service
+class LocalShoppingService implements ShoppingService {
+  /// Local shopping service constructor
+  LocalShoppingService({
+    this.localOrderService,
+    this.localShopService,
+    this.localProductService,
+    this.localShoppingCartService,
+  }) {
+    localOrderService ??= LocalOrderService();
+    localShopService ??= LocalShopService();
+    localProductService ??= LocalProductService();
+    localShoppingCartService ??= LocalShoppingCartService();
+  }
+
+  /// Local order service
+  OrderService? localOrderService;
+
+  /// Local shop service
+  ShopService? localShopService;
+
+  /// Local product service
+  ProductService? localProductService;
+
+  /// Local shopping cart service
+  ShoppingCartService? localShoppingCartService;
+
+  @override
+  OrderService get orderService => localOrderService!;
+
+  @override
+  ProductService get productService => localProductService!;
+
+  @override
+  ShopService get shopService => localShopService!;
+
+  @override
+  ShoppingCartService get shoppingCartService => localShoppingCartService!;
+}

packages/flutter_shopping_local/lib/service/service.dart

@@ -0,0 +1 @@
+export "local_shop_service.dart";

packages/flutter_shopping_local/pubspec.yaml

@@ -0,0 +1,28 @@
+name: flutter_shopping_local
+description: "A local Flutter module for a shopping."
+version: 2.0.0
+publish_to: 'none'
+
+environment:
+  sdk: '>=3.3.0 <4.0.0'
+  flutter: ">=1.17.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  flutter_shopping_interface:
+    git:
+      url: https://github.com/Iconica-Development/flutter_shopping
+      path: packages/flutter_shopping_interface
+      ref: 2.0.0
+
+
+dev_dependencies:
+  flutter_test:
+    sdk: flutter
+  flutter_iconica_analysis:
+    git:
+      url: https://github.com/Iconica-Development/flutter_iconica_analysis
+      ref: 7.0.0
+
+flutter: