update

ios/Podfile.lock

@@ -1,20 +1,26 @@
 PODS:
   - Flutter (1.0.0)
+  - path_provider (0.0.1):
+    - Flutter
   - shared_preferences (0.0.1):
     - Flutter
 
 DEPENDENCIES:
   - Flutter (from `.symlinks/flutter/ios`)
+  - path_provider (from `.symlinks/plugins/path_provider/ios`)
   - shared_preferences (from `.symlinks/plugins/shared_preferences/ios`)
 
 EXTERNAL SOURCES:
   Flutter:
     :path: ".symlinks/flutter/ios"
+  path_provider:
+    :path: ".symlinks/plugins/path_provider/ios"
   shared_preferences:
     :path: ".symlinks/plugins/shared_preferences/ios"
 
 SPEC CHECKSUMS:
   Flutter: 0e3d915762c693b495b44d77113d4970485de6ec
+  path_provider: fb74bd0465e96b594bb3b5088ee4a4e7bb1f2a9d
   shared_preferences: 430726339841afefe5142b9c1f50cb6bd7793e01
 
 PODFILE CHECKSUM: b6a0a141693093b304368d08511b46cf3d1d0ac5

lib/apis/Api.dart

@@ -5,7 +5,7 @@ class Api {
   static final client = new http.Client();
   static String _baseUrl = 'https://gin-drive.herokuapp.com';
 
-  static Future<Map<String, String>> _getHeaders() async {
+  static Future<Map<String, String>> getHeaders() async {
     String _token = await userRepository.getToken();
     if (_token != null) {
       return {'Authorization': 'Bearer ' + _token};
@@ -14,12 +14,12 @@ class Api {
   }
 
   static Future<http.Response> post(path, {body}) async {
-    var headers = await _getHeaders();
+    var headers = await getHeaders();
     return client.post(_baseUrl + path, body: body, headers: headers);
   }
 
   static Future<http.Response> get(path) async {
-    var headers = await _getHeaders();
+    var headers = await getHeaders();
     return client.get(_baseUrl + path, headers: headers);
   }
 }

lib/apis/FileApiProvider.dart

@@ -1,8 +1,13 @@
 import 'dart:convert';
+import 'dart:io';
 
+import 'package:dio/dio.dart';
 import 'package:flutter_app/apis/Api.dart';
+import 'package:path_provider/path_provider.dart';
 
 class FileApiProvider {
+  Dio _dio = new Dio();
+
   Future<List<dynamic>> load() {
     return Api.get('/files').then((res) {
       if (res.statusCode == 200) {
@@ -11,6 +16,18 @@ class FileApiProvider {
       throw new Exception('Fail');
     });
   }
+
+  Future<String> download(String id, String originalName) async {
+    String dir = (await getApplicationDocumentsDirectory()).path;
+    String file = '$dir/$originalName';
+    print(file);
+    return _dio
+        .download('https://gin-drive.herokuapp.com/files/download/' + id, file,
+            options: Options(headers: await Api.getHeaders()))
+        .then((res) {
+      return file;
+    });
+  }
 }
 
 FileApiProvider fileApiProvider = FileApiProvider();

lib/apis/UserApiProvider.dart

@@ -2,7 +2,6 @@ import 'dart:convert';
 
 import 'package:flutter_app/apis/Api.dart';
 import 'package:flutter_app/models/UserModel.dart';
-import 'package:http/http.dart' as http;
 
 class UserApiProvider {
   Future<String> login(String username, String password) async {
@@ -11,7 +10,19 @@ class UserApiProvider {
       if (response.statusCode == 200) {
         return json.decode(response.body)['data'];
       }
-      throw new Exception('Login failure');
+      throw new Exception('Username or password is invalid');
+    });
+  }
+
+  Future<bool> register(String username, String password) async {
+    return Api.post('/users/register',
+        body: {'username': username, 'password': password}).then((res) {
+      Map<String, dynamic> body = json.decode(res.body);
+      print(body);
+      if (res.statusCode == 200) {
+        return true;
+      }
+      throw new Exception(body['data']);
     });
   }
 

lib/blocs/AuthenticationBloc.dart

@@ -31,7 +31,7 @@ class AuthenticationBloc
       }
     }
 
-    if (event is OnLogin) {
+    if (event is OnLoginPage) {
       yield AuthenticationUnauthenticated();
     }
 
@@ -48,7 +48,7 @@ class AuthenticationBloc
       yield AuthenticationUnauthenticated();
     }
 
-    if (event is OnRegister) {
+    if (event is OnRegisterPage) {
       yield AuthenticationRegister();
     }
 

lib/blocs/LoginBloc.dart

@@ -28,8 +28,6 @@ class LoginBloc extends Bloc<LoginEvent, LoginState> {
       yield LoginLoading();
 
       try {
-
-        authenticationBloc.add(OnAuthenticationLoading());
         final token = await userRepository.authenticate(
           username: event.username,
           password: event.password,

lib/blocs/RegisterBloc.dart

@@ -0,0 +1,23 @@
+import 'package:bloc/bloc.dart';
+import 'package:flutter_app/blocs/events/RegisterEvent.dart';
+import 'package:flutter_app/blocs/states/RegisterState.dart';
+import 'package:flutter_app/resources/UserRepository.dart';
+
+class RegisterBloc extends Bloc<RegisterEvent, RegisterState> {
+  @override
+  RegisterState get initialState => OnRegisterState();
+
+  @override
+  Stream<RegisterState> mapEventToState(RegisterEvent event) async* {
+    if (event is OnRegister && event.username.isNotEmpty) {
+      yield OnRegisteringState();
+      await Future.delayed(Duration(seconds: 1));
+      try {
+        await userRepository.register(event.username, event.password);
+        yield OnRegisterSuccessfulState();
+      } catch (e) {
+        yield OnRegisterFailureState(e.message);
+      }
+    }
+  }
+}

lib/blocs/builders/FileBuilder.dart

@@ -1,4 +1,4 @@
-import 'package:flutter_app/blocs/events/FileBloc.dart';
+import 'package:flutter_app/blocs/FileBloc.dart';
 import 'package:flutter_app/blocs/events/FileEvent.dart';
 import 'package:flutter_app/blocs/states/FileState.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';

lib/blocs/builders/RegisterBuilder.dart

@@ -0,0 +1,19 @@
+import 'package:flutter_app/blocs/RegisterBloc.dart';
+import 'package:flutter_app/blocs/events/RegisterEvent.dart';
+import 'package:flutter_app/blocs/states/RegisterState.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+registerCreator(child) {
+  return BlocProvider(
+    create: (context) {
+      return RegisterBloc()..add(OnRegister());
+    },
+    child: child,
+  );
+}
+
+registerBuilder(builder) {
+  return BlocBuilder<RegisterBloc, RegisterState>(
+    builder: builder,
+  );
+}

lib/blocs/events/AuthenticationEvent.dart

@@ -24,8 +24,8 @@ class OnLoggedIn extends AuthenticationEvent {
 
 class OnLoggedOut extends AuthenticationEvent {}
 
-class OnRegister extends AuthenticationEvent {}
+class OnRegisterPage extends AuthenticationEvent {}
 
-class OnLogin extends AuthenticationEvent {}
+class OnLoginPage extends AuthenticationEvent {}
 
 class OnAuthenticationLoading extends AuthenticationEvent {}

lib/blocs/events/RegisterEvent.dart

@@ -0,0 +1,20 @@
+import 'package:equatable/equatable.dart';
+
+abstract class RegisterEvent extends Equatable {
+  @override
+  List<Object> get props => [];
+}
+
+class OnRegistering extends RegisterEvent {}
+
+class OnRegister extends RegisterEvent {
+  final String username;
+  final String password;
+
+  OnRegister({this.username = '', this.password = ''});
+
+  @override
+  List<Object> get props => [username, password];
+}
+
+class OnRegisterFailure extends RegisterEvent {}

lib/blocs/states/RegisterState.dart

@@ -0,0 +1,20 @@
+import 'package:equatable/equatable.dart';
+
+abstract class RegisterState extends Equatable {
+  @override
+  List<Object> get props => [];
+}
+
+class OnRegisterState extends RegisterState {}
+
+class OnRegisteringState extends RegisterState {}
+
+class OnRegisterFailureState extends RegisterState {
+  final String message;
+
+  OnRegisterFailureState(this.message);
+
+  List<Object> get props => [message];
+}
+
+class OnRegisterSuccessfulState extends RegisterState {}

lib/components/FileList.dart

@@ -1,9 +1,13 @@
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_app/apis/FileApiProvider.dart';
+import 'package:flutter_app/blocs/FileBloc.dart';
 import 'package:flutter_app/blocs/builders/FileBuilder.dart';
+import 'package:flutter_app/blocs/events/FileEvent.dart';
 import 'package:flutter_app/blocs/states/FileState.dart';
 import 'package:flutter_app/components/LoadingIndicator.dart';
 import 'package:flutter_app/models/FileModel.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:intl/intl.dart';
 
 class FileList extends StatefulWidget {
@@ -17,22 +21,55 @@ class _State extends State<FileList> {
   buildList() {}
 
   Widget buildItem(FileModel model) {
-    return ListTile(
-      title: Row(
-        mainAxisAlignment: MainAxisAlignment.spaceBetween,
-        children: <Widget>[
-          Text(model.metadata.originalname),
-          Text(
-            model.length.toString() + ' bit',
-            style: TextStyle(fontSize: 14.0),
-          )
-        ],
-      ),
-      subtitle: Text(
-        DateFormat("HH:mm:ss dd-MM-yyyy")
-            .format(DateTime.parse(model.uploadDate).add(Duration(hours: 7))),
-        style: TextStyle(fontSize: 12.0),
+    return Dismissible(
+      child: ListTile(
+        title: Row(
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: <Widget>[
+            Text(model.metadata.originalname),
+            Text(
+              model.length.toString() + ' bit',
+              style: TextStyle(fontSize: 14.0),
+            )
+          ],
+        ),
+        subtitle: Text(
+          DateFormat("HH:mm:ss dd-MM-yyyy")
+              .format(DateTime.parse(model.uploadDate).add(Duration(hours: 7))),
+          style: TextStyle(fontSize: 12.0),
+        ),
       ),
+      key: Key(model.id),
+      confirmDismiss: (DismissDirection dismissDirection) async {
+        print(dismissDirection);
+        if (dismissDirection == DismissDirection.startToEnd) {
+          fileApiProvider
+              .download(model.id, model.metadata.originalname)
+              .then((path) {
+            Scaffold.of(context).showSnackBar(
+              SnackBar(
+                content: Text(
+                  'Your file is saved at: $path',
+                  style: Theme.of(context).textTheme.button,
+                ),
+                backgroundColor: Colors.blue,
+              ),
+            );
+          }).catchError((er) {
+            Scaffold.of(context).showSnackBar(
+              SnackBar(
+                content: Text(
+                  'An error occurred: ${er.message}',
+                  style: Theme.of(context).textTheme.button,
+                ),
+                backgroundColor: Colors.red,
+              ),
+            );
+          });
+        }
+        return false;
+      },
+      onDismissed: (DismissDirection dismissDirection) {},
     );
   }
 
@@ -50,7 +87,12 @@ class _State extends State<FileList> {
           return buildItem(item);
         }).toList();
         print(wids);
-        return ListView(children: wids);
+        return RefreshIndicator(
+            onRefresh: () async {
+              print('reload');
+              BlocProvider.of<FileBloc>(context).add(OnLoadFile());
+            },
+            child: ListView(children: wids));
       }
       return LoadingIndicator();
     }));