Working on dashboard

lib/data/models/entities.dart

@@ -3,18 +3,31 @@ import 'package:json_annotation/json_annotation.dart';
 part 'entities.g.dart';
 
 @JsonSerializable()
-class BaseResponse extends Object with _$BaseResponseSerializerMixin {
+class BaseListResponse extends Object with _$BaseListResponseSerializerMixin {
   //final String message;
 
   @JsonKey(name: "data")
   final List<dynamic> data;
 
-  BaseResponse(
-      //this.message,
+  BaseListResponse(
       this.data,
       );
 
-  factory BaseResponse.fromJson(Map<String, dynamic> json) => _$BaseResponseFromJson(json);
+  factory BaseListResponse.fromJson(Map<String, dynamic> json) => _$BaseListResponseFromJson(json);
+}
+
+@JsonSerializable()
+class BaseItemResponse extends Object with _$BaseItemResponseSerializerMixin {
+  //final String message;
+
+  @JsonKey(name: "data")
+  final dynamic data;
+
+  BaseItemResponse(
+      this.data,
+      );
+
+  factory BaseItemResponse.fromJson(Map<String, dynamic> json) => _$BaseItemResponseFromJson(json);
 }
 
 @JsonSerializable()

lib/data/models/entities.g.dart

@@ -6,14 +6,22 @@ part of 'entities.dart';
 // Generator: JsonSerializableGenerator
 // **************************************************************************
 
-BaseResponse _$BaseResponseFromJson(Map<String, dynamic> json) =>
-    new BaseResponse(json['data'] as List);
+BaseListResponse _$BaseListResponseFromJson(Map<String, dynamic> json) =>
+    new BaseListResponse(json['data'] as List);
 
-abstract class _$BaseResponseSerializerMixin {
+abstract class _$BaseListResponseSerializerMixin {
   List<dynamic> get data;
   Map<String, dynamic> toJson() => <String, dynamic>{'data': data};
 }
 
+BaseItemResponse _$BaseItemResponseFromJson(Map<String, dynamic> json) =>
+    new BaseItemResponse(json['data']);
+
+abstract class _$BaseItemResponseSerializerMixin {
+  dynamic get data;
+  Map<String, dynamic> toJson() => <String, dynamic>{'data': data};
+}
+
 ProductEntity _$ProductEntityFromJson(Map<String, dynamic> json) =>
     new ProductEntity(json['id'] as int)
       ..productKey = json['product_key'] as String

lib/data/repositories/dashboard_repository.dart

@@ -0,0 +1,60 @@
+import 'dart:async';
+import 'dart:core';
+import 'package:meta/meta.dart';
+
+import 'package:invoiceninja/redux/auth/auth_state.dart';
+import 'package:invoiceninja/data/models/entities.dart';
+import 'package:invoiceninja/data/repositories/repositories.dart';
+import 'package:invoiceninja/data/file_storage.dart';
+import 'package:invoiceninja/data/web_client.dart';
+
+/// A class that glues together our local file storage and web client. It has a
+/// clear responsibility: Load Dashboard and Persist products.
+class DashboardRepositoryFlutter implements BaseRepository {
+  final FileStorage fileStorage;
+  final WebClient webClient;
+
+  const DashboardRepositoryFlutter({
+    @required this.fileStorage,
+    this.webClient = const WebClient(),
+  });
+
+  /// Loads products first from File storage. If they don't exist or encounter an
+  /// error, it attempts to load the Dashboard from a Web Client.
+  @override
+  Future<dynamic> loadItem(AuthState auth) async {
+    print('ProductRepo: loadDashboard...');
+
+    final data = await webClient.fetchItem(
+        auth.url + '/dashboard', auth.token);
+
+    //fileStorage.saveDashboard(products);
+    print('== LOAD DASHBOARD ==');
+    print(data);
+    return data.map((data) => ProductEntity.fromJson(data)).toList();
+
+    /*
+    try {
+      return await fileStorage.loadData();
+    } catch (exception) {
+      final products = await webClient.fetchData(
+          auth.url + '/products', auth.token);
+
+      //fileStorage.saveDashboard(products);
+
+      return products;
+    }
+    */
+  }
+
+  @override
+  Future<List<dynamic>> loadItems(dynamic product) {
+    return Future.wait<dynamic>([]);
+  }
+
+  // Persists products to local disk and the web
+  @override
+  Future saveData(List<dynamic> products) {
+    return Future.wait<dynamic>([]);
+  }
+}

lib/data/repositories/product_repository.dart

@@ -22,10 +22,10 @@ class ProductsRepositoryFlutter implements BaseRepository {
   /// Loads products first from File storage. If they don't exist or encounter an
   /// error, it attempts to load the Products from a Web Client.
   @override
-  Future<List<dynamic>> loadData(AuthState auth) async {
+  Future<List<dynamic>> loadItems(AuthState auth) async {
     print('ProductRepo: loadProducts...');
 
-    final products = await webClient.fetchData(
+    final products = await webClient.fetchList(
         auth.url + '/products', auth.token);
 
     //fileStorage.saveProducts(products);
@@ -46,7 +46,11 @@ class ProductsRepositoryFlutter implements BaseRepository {
     */
   }
 
-  // Persists products to local disk and the web
+  @override
+  Future loadItem(dynamic product) {
+    return Future.wait<dynamic>([]);
+  }
+
   @override
   Future saveData(List<dynamic> products) {
     return Future.wait<dynamic>([

lib/data/repositories/repositories.dart

@@ -13,10 +13,10 @@ import 'package:invoiceninja/data/models/entities.dart';
 /// inject the correct implementation depending on the environment, such as
 /// web or Flutter.
 abstract class BaseRepository {
-  /// Loads products first from File storage. If they don't exist or encounter an
-  /// error, it attempts to load the Todos from a Web Client.
-  Future<List<dynamic>> loadData(AuthState auth);
 
-  // Persists products to local disk and the web
+  Future<List<dynamic>> loadItems(AuthState auth);
+
+  Future<dynamic> loadItem(AuthState auth);
+
   Future saveData(List<dynamic> data);
 }

lib/data/web_client.dart

@@ -12,15 +12,23 @@ class WebClient {
 
   const WebClient();
 
-  /// Mock that "fetches" some Products from a "web service" after a short delay
-  Future<List<dynamic>> fetchData(String url, String token) async {
-
-    final response = await http.Client().get(
+  Future<http.Response> sendRequest(String url, String token) {
+    return http.Client().get(
       url,
       headers: {'X-Ninja-Token': token},
     );
+  }
 
-    return BaseResponse
+  Future<dynamic> fetchItem(String url, String token) async {
+    final http.Response response = await sendRequest(url, token);
+    return BaseItemResponse
+        .fromJson(json.decode(response.body))
+        .data;
+  }
+
+  Future<List<dynamic>> fetchList(String url, String token) async {
+    final http.Response response = await sendRequest(url, token);
+    return BaseListResponse
         .fromJson(json.decode(response.body))
         .data
         .toList();

lib/main.dart

@@ -1,17 +1,20 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_redux/flutter_redux.dart';
 import 'package:redux/redux.dart';
-import 'package:invoiceninja/redux/app/app_state.dart';
+import 'package:redux_logging/redux_logging.dart';
+import 'package:invoiceninja/routes.dart';
+import 'package:invoiceninja/ui/auth/login.dart';
 import 'package:invoiceninja/ui/dashboard/dashboard.dart';
 import 'package:invoiceninja/ui/client/clients.dart';
 import 'package:invoiceninja/ui/product/products.dart';
-import 'package:invoiceninja/ui/auth/login.dart';
-import 'package:invoiceninja/routes.dart';
+import 'package:invoiceninja/redux/app/app_reducer.dart';
+import 'package:invoiceninja/redux/app/app_state.dart';
+import 'package:invoiceninja/redux/auth/auth_middleware.dart';
+import 'package:invoiceninja/redux/dashboard/dashboard_actions.dart';
+import 'package:invoiceninja/redux/dashboard/dashboard_middleware.dart';
 import 'package:invoiceninja/redux/product/product_actions.dart';
 import 'package:invoiceninja/redux/product/product_middleware.dart';
-import 'package:invoiceninja/redux/auth/auth_middleware.dart';
-import 'package:invoiceninja/redux/app/app_reducer.dart';
-import 'package:redux_logging/redux_logging.dart';
+
 
 void main() {
 
@@ -29,6 +32,7 @@ class InvoiceNinjaApp extends StatelessWidget {
     initialState: AppState.loading(),
       middleware: []
         ..addAll(createStoreAuthMiddleware())
+        ..addAll(createStoreDashboardMiddleware())
         ..addAll(createStoreProductsMiddleware())
         ..addAll([
           LoggingMiddleware.printer(),
@@ -59,6 +63,7 @@ class InvoiceNinjaApp extends StatelessWidget {
           },
           AppRoutes.dashboard: (context) {
             return StoreBuilder<AppState>(
+              onInit: (store) => store.dispatch(LoadDashboardAction()),
               builder: (context, store) {
                 return Dashboard();
               },

lib/redux/dashboard/dashboard_actions.dart

@@ -0,0 +1,25 @@
+import 'package:invoiceninja/data/models/models.dart';
+
+class LoadDashboardAction {}
+
+class DashboardNotLoadedAction {
+  final dynamic error;
+
+  DashboardNotLoadedAction(this.error);
+
+  @override
+  String toString() {
+    return 'DashboardNotLoadedAction{products: $error}';
+  }
+}
+
+class DashboardLoadedAction {
+  final List<ProductEntity> products;
+
+  DashboardLoadedAction(this.products);
+
+  @override
+  String toString() {
+    return 'DashboardLoadedAction{products: $products}';
+  }
+}

lib/redux/dashboard/dashboard_middleware.dart

@@ -0,0 +1,54 @@
+import 'package:path_provider/path_provider.dart';
+import 'package:redux/redux.dart';
+import 'package:invoiceninja/redux/dashboard/dashboard_actions.dart';
+import 'package:invoiceninja/redux/app/app_state.dart';
+import 'package:invoiceninja/data/repositories/repositories.dart';
+import 'package:invoiceninja/data/repositories/dashboard_repository.dart';
+import 'package:invoiceninja/data/file_storage.dart';
+import 'package:invoiceninja/redux/product/product_selectors.dart';
+import 'package:invoiceninja/data/models/entities.dart';
+
+List<Middleware<AppState>> createStoreDashboardMiddleware([
+  BaseRepository repository = const DashboardRepositoryFlutter(
+    fileStorage: const FileStorage(
+      '__invoiceninja__',
+      getApplicationDocumentsDirectory,
+    ),
+  ),
+]) {
+  final loadDashboard = _createLoadDashboard(repository);
+
+  return [
+    TypedMiddleware<AppState, LoadDashboardAction>(loadDashboard),
+  ];
+}
+
+Middleware<AppState> _createSaveDashboard(BaseRepository repository) {
+  return (Store<AppState> store, action, NextDispatcher next) {
+    next(action);
+
+    /*
+    repository.saveDashboard(
+      productsSelector(store.state).map((product) => product.toEntity()).toList(),
+    );
+    */
+  };
+}
+
+Middleware<AppState> _createLoadDashboard(BaseRepository repository) {
+  return (Store<AppState> store, action, NextDispatcher next) {
+
+    repository.loadItems(store.state.auth).then(
+          (data) {
+        store.dispatch(
+          DashboardLoadedAction(
+            //products.map(ProductEntity.fromEntity).toList(),
+            data,
+          ),
+        );
+      },
+    ).catchError((error) => store.dispatch(DashboardNotLoadedAction(error)));
+
+    next(action);
+  };
+}

lib/redux/product/product_middleware.dart

@@ -40,9 +40,7 @@ Middleware<AppState> _createSaveProducts(BaseRepository repository) {
 Middleware<AppState> _createLoadProducts(BaseRepository repository) {
   return (Store<AppState> store, action, NextDispatcher next) {
 
-    print('Product Middleware: createLoadProducts...');
-
-    repository.loadData(store.state.auth).then(
+    repository.loadItems(store.state.auth).then(
       (products) {
         store.dispatch(
           ProductsLoadedAction(

lib/ui/dashboard/dashboard.dart

@@ -7,21 +7,28 @@ class Dashboard extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return new Scaffold(
-      appBar: new AppBar(
-        title: new Text('Dashboard'),
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Dashboard'),
       ),
-      drawer: new Sidebar(),
-      body: new Center(
-        child: new Column(
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: [
-            new Text(
-              'DASHBOARD',
+      drawer: Sidebar(),
+      body: Column(
+        children: <Widget>[
+          Card(
+            child: Column(
+              mainAxisSize: MainAxisSize.min,
+              children: <Widget>[
+                const ListTile(
+                  leading: const Icon(Icons.album),
+                  title: const Text('The Enchanted Nightingale'),
+                  subtitle: const Text(
+                      'Music by Julie Gable. Lyrics by Sidney Stein.'),
+                ),
+              ],
             ),
-          ],
-        ),
+          ),
+        ],
       ),
     );
   }
-}
+}