Pagamento e exibição de pagamento

lib/api/services/shared_local_storage_service.dart

@@ -1,6 +1,7 @@
 import 'dart:convert';
 
 import 'package:gohealth/api/interfaces/local_storage_interface.dart';
+import 'package:gohealth/api/models/product_models.dart';
 import 'package:gohealth/api/models/user_models.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
@@ -77,4 +78,65 @@ class SharedLocalStorageService implements ILocalStorage {
       value.clear();
     });
   }
+
+  void saveProduct(ProductModels productModels) {
+    var shared = SharedPreferences.getInstance();
+    shared.then((value) {
+      var products = value.getString('products');
+      List<ProductModels> list = [];
+      if (products != null) {
+        var decoded = jsonDecode(products) as List;
+        list = decoded.map((e) => ProductModels.fromJson(e)).toList();
+      }
+      list.add(productModels);
+      value.setString('products', jsonEncode(list));
+    });
+  }
+
+  Future<List<ProductModels>> getAllProducts() {
+    var shared = SharedPreferences.getInstance();
+    return shared.then((value) {
+      var products = value.getString('products');
+      if (products != null) {
+        var decoded = jsonDecode(products) as List;
+        return decoded.map((e) => ProductModels.fromJson(e)).toList();
+      } else {
+        throw Exception('No products found');
+      }
+    });
+  }
+
+  getSelectedItems() {
+    var shared = SharedPreferences.getInstance();
+    return shared.then((value) {
+      var products = value.getString('products');
+      if (products != null) {
+        var decoded = jsonDecode(products) as List;
+        return decoded.map((e) => e.toString()).toList();
+      } else {
+        throw Exception('No products found');
+      }
+    });
+  }
+
+  void removeProduct(int? id) {
+    var shared = SharedPreferences.getInstance();
+    shared.then((value) {
+      var products = value.getString('products');
+      List<ProductModels> list = [];
+      if (products != null) {
+        var decoded = jsonDecode(products) as List;
+        list = decoded.map((e) => ProductModels.fromJson(e)).toList();
+      }
+      list.removeWhere((element) => element.id == id);
+      value.setString('products', jsonEncode(list));
+    });
+  }
+
+  void clearCart() {
+    var shared = SharedPreferences.getInstance();
+    shared.then((value) {
+      value.remove('products');
+    });
+  }
 }

lib/src/app/home/cart/cart_page.dart

@@ -0,0 +1,127 @@
+import 'package:flutter/material.dart';
+import 'package:gohealth/api/models/product_models.dart';
+import 'package:gohealth/api/services/shared_local_storage_service.dart';
+import 'package:gohealth/src/app/home/home_page.dart';
+import 'package:gohealth/src/app/sessions/products/product_page.dart';
+import 'package:gohealth/src/components/header_bar.dart';
+import 'package:gohealth/src/components/side_menu.dart';
+
+class CartPage extends StatefulWidget {
+  const CartPage({ Key? key }) : super(key: key);
+
+  @override
+  _CartPageState createState() => _CartPageState();
+}
+
+class _CartPageState extends State<CartPage> {
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: const HeaderBarState(),
+      drawer: const SideMenu(),
+      bottomNavigationBar: Padding(
+        padding: const EdgeInsets.all(8.0),
+        child: FutureBuilder<List<ProductModels>>(
+          future: SharedLocalStorageService().getAllProducts(),
+          builder: (context, snapshot) {
+            if (!snapshot.hasData || snapshot.data!.isEmpty) {
+              return const SizedBox.shrink();
+            } else {
+              final total = snapshot.data!.fold<double>(
+                0.0,
+                (sum, item) => sum + (item.price ?? 0.0),
+              );
+              return Row(
+                mainAxisAlignment: MainAxisAlignment.spaceBetween,
+                children: [
+                  ElevatedButton(
+                    onPressed: () {
+                      SharedLocalStorageService().clearCart();
+                      ScaffoldMessenger.of(context).showSnackBar(
+                        const SnackBar(
+                          content: Text('Pedido finalizado com sucesso'),
+                          backgroundColor: Colors.green,
+                          duration: Duration(seconds: 2),
+                        ),
+                      );
+                      Navigator.push(
+                          context,
+                          MaterialPageRoute(
+                              builder: (context) => const Homepage()));
+                      setState(() {});
+                    },
+                    child: const Text(
+                      'Finalizar Pedido',
+                      style: TextStyle(color: Colors.white),
+                    ),
+                    style: ElevatedButton.styleFrom(
+                      shape: RoundedRectangleBorder(
+                        borderRadius: BorderRadius.circular(6),
+                      ),
+                      backgroundColor: Colors.green,
+                    ),
+                  ),
+                  Text(
+                    'Total: R\$${total.toStringAsFixed(2)}',
+                    style: const TextStyle(
+                        fontSize: 18, fontWeight: FontWeight.bold),
+                  ),
+                ],
+              );
+            }
+          },
+        ),
+      ),
+      body: FutureBuilder<List<ProductModels>>(
+        future: SharedLocalStorageService().getAllProducts(),
+        builder: (context, snapshot) {
+          if (snapshot.connectionState == ConnectionState.waiting) {
+            return const Center(child: CircularProgressIndicator());
+          } else if (!snapshot.hasData || snapshot.data!.isEmpty) {
+            return const Center(child: Text('Nenhum produto no carrinho'));
+          } else if (snapshot.hasError) {
+            return Center(child: Text('Error: ${snapshot.error}'));
+          } else {
+            return ListView.builder(
+              itemCount: snapshot.data!.length,
+              itemBuilder: (context, index) {
+                final product = snapshot.data![index];
+                return GestureDetector(
+                  onTap: () {
+                    Navigator.push(
+                      context,
+                      MaterialPageRoute(
+                        builder: (context) =>
+                            ProductPage(productModels: snapshot.data![index]),
+                      ),
+                    );
+                  },
+                  child: Card(
+                  margin: const EdgeInsets.all(10.0),
+                  child: ListTile(
+                    leading: Image.network(product.image ?? "https://via.placeholder.com/150", width: 50, height: 50, fit: BoxFit.cover),
+                    title: Text(product.name!),
+                      subtitle: Text(
+                          'Preço: R\$${product.price!.toStringAsFixed(2)}'),
+                    trailing: IconButton(
+                        icon: const Icon(Icons.delete),
+                        onPressed: () {
+                          setState(() {
+                            snapshot.data!.removeAt(index);
+                            SharedLocalStorageService()
+                                .removeProduct(product.id);
+                          });
+                        },
+                    ),
+                  ),
+                  ),
+                );
+              },
+            );
+          }
+        },
+      ),
+    );
+  }
+}

lib/src/app/login/login_page.dart

@@ -187,7 +187,7 @@ class LoginPageState extends State<LoginPage> {
                         print(user.toJson());
                       }
 
-                      await Navigator.pushReplacement(
+                      await Navigator.push(
                         context,
                         MaterialPageRoute(
                           builder: (context) => const SplashPage(),
@@ -205,7 +205,7 @@ class LoginPageState extends State<LoginPage> {
                   }
                 },
                 child: const Text(
-                  'Login',
+                  'Logar',
                   style: TextStyle(
                     fontSize: 18.0, // Tamanho do texto
                     fontWeight: FontWeight.w900, // Deixa o texto em negrito

lib/src/app/register/register_page.dart

@@ -235,7 +235,7 @@ class RegisterPageState extends State<RegisterPage> {
                           print(user.toJson());
                         }
 
-                        await Navigator.pushReplacement(
+                        await Navigator.push(
                           context,
                           MaterialPageRoute(
                             builder: (context) => const SplashPage(),
@@ -260,9 +260,9 @@ class RegisterPageState extends State<RegisterPage> {
                   }
                 },
                 child: const Text(
-                  'Register',
+                  'Cadastrar',
                   style: TextStyle(
-                    fontSize: 18.0, // Tamanho do texto
+                    fontSize: 12.0, // Tamanho do texto
                     fontWeight: FontWeight.w900, // Deixa o texto em negrito
                   ),
                 ),

lib/src/app/sessions/final_session.dart

@@ -48,7 +48,7 @@ class FinalSessionState extends State<FinalSessionPage> {
         children: [
           TextButton(
             onPressed: () {
-              Navigator.pushReplacement(
+              Navigator.push(
                   context,
                   MaterialPageRoute(
                       builder: (context) => const SecondSessionPage()));
@@ -92,7 +92,7 @@ class FinalSessionState extends State<FinalSessionPage> {
           ),
           TextButton(
             onPressed: () {
-              Navigator.pushReplacement(
+              Navigator.push(
                   context,
                   MaterialPageRoute(
                       builder: (context) => const FinalSessionPage()));
@@ -135,7 +135,7 @@ class FinalSessionState extends State<FinalSessionPage> {
                   onPressed: () => {
                         for (var item in itemSelected)
                           {_viewModel.addProductInUser(item, _id!)},
-                        Navigator.pushReplacement(
+                        Navigator.push(
                             context,
                             MaterialPageRoute(
                                 builder: (context) => const Homepage()))

lib/src/app/sessions/first_session.dart

@@ -48,7 +48,7 @@ class FirstSessionState extends State<FirstSessionPage> {
           ),
           TextButton(
             onPressed: () {
-              Navigator.pushReplacement(
+              Navigator.push(
                   context,
                   MaterialPageRoute(
                       builder: (context) => const SecondSessionPage()));

lib/src/app/sessions/products/product_page.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:gohealth/api/models/product_models.dart';
+import 'package:gohealth/api/services/shared_local_storage_service.dart';
 import 'image_carousel.dart';
 import 'product_details.dart';
 import 'description_section.dart';
@@ -44,7 +45,18 @@ class ProductState extends State<ProductPage> {
       bottomNavigationBar: Padding(
         padding: const EdgeInsets.all(16.0),
         child: ElevatedButton(
-          onPressed: () {},
+          onPressed: () {
+            // Salvar os dados do produto no carrinho atráves do storage
+            SharedLocalStorageService().saveProduct(widget.productModels);
+            ScaffoldMessenger.of(context).showSnackBar(
+              SnackBar(
+                content: Text('Produto adicionado ao carrinho'),
+                backgroundColor: Colors.green,
+                duration: Duration(seconds: 2),
+              ),
+            );
+            Navigator.pop(context);
+          },
           child: Text('Adicionar ao carrinho'),
           style: ElevatedButton.styleFrom(
             padding: EdgeInsets.symmetric(vertical: 16),

lib/src/app/sessions/second_session.dart

@@ -18,7 +18,7 @@ class SecondSessionState extends State<SecondSessionPage> {
         children: [
           TextButton(
             onPressed: () {
-              Navigator.pushReplacement(
+              Navigator.push(
                   context,
                   MaterialPageRoute(
                       builder: (context) => const FirstSessionPage()));
@@ -63,7 +63,7 @@ class SecondSessionState extends State<SecondSessionPage> {
           ),
           TextButton(
             onPressed: () {
-              Navigator.pushReplacement(
+              Navigator.push(
                   context,
                   MaterialPageRoute(
                       builder: (context) => const FinalSessionPage()));

lib/src/app/splash_page.dart

@@ -37,22 +37,22 @@ class SplashPageState extends State<SplashPage> {
     Future.delayed(const Duration(seconds: 2), () {
       if (isLogged) {
         if (isFirstSession) {
-          Navigator.pushReplacement(
+          Navigator.push(
             context,
             MaterialPageRoute(
               builder: (context) => const FirstSessionPage(),
             ),
           );
         } else {
-          Navigator.pushReplacement(
+          Navigator.push(
             context,
             MaterialPageRoute(
               builder: (context) => const Homepage(),
             ),
           );
         }
       } else {
-        Navigator.pushReplacement(
+        Navigator.push(
           context,
           MaterialPageRoute(
             builder: (context) => const LoginPage(),

lib/src/components/header_bar.dart

@@ -1,6 +1,7 @@
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:gohealth/api/services/shared_local_storage_service.dart';
+import 'package:gohealth/src/app/home/cart/cart_page.dart';
 
 class HeaderBarState extends StatefulWidget implements PreferredSizeWidget {
   const HeaderBarState({super.key});
@@ -84,6 +85,10 @@ class _HeaderBarState extends State<HeaderBarState> {
         ],
       ),
       actions: [
+        IconButton(onPressed: () {
+              Navigator.push(
+              context, MaterialPageRoute(builder: (BuildContext context) => const CartPage()));
+        }, icon: const Icon(Icons.shopping_cart)),
         IconButton(
             icon: const Icon(Icons.notifications),
             onPressed: () {

lib/src/components/side_menu.dart

@@ -67,7 +67,7 @@ class SideMenuState extends State<SideMenu> {
           ListTile(
             title: const Text('Tela Inicial', style: textStyle),
             onTap: () {
-              Navigator.pushReplacement(
+              Navigator.push(
                   context,
                   MaterialPageRoute(
                       builder: (BuildContext context) => const Homepage()));
@@ -88,7 +88,7 @@ class SideMenuState extends State<SideMenu> {
           ListTile(
             title: const Text('Maps', style: textStyle),
             onTap: () async {
-              Navigator.pushReplacement(
+              Navigator.push(
                   context,
                   MaterialPageRoute(
                       builder: (BuildContext context) => const MapsPage()));
@@ -101,7 +101,7 @@ class SideMenuState extends State<SideMenu> {
 
               await prefs.logout();
               _repository.clearProfile();
-              Navigator.pushReplacement(
+              Navigator.push(
                   context,
                   MaterialPageRoute(
                       builder: (BuildContext context) => const SplashPage()));