save login works

lib/common/apifunctions/request_login_api.dart

@@ -20,14 +20,14 @@ Future<LoginModel> requestLoginAPI(
     'password': password,
   };
 
-  debugPrint('$body');
+//  debugPrint('$body');
 
   final response = await http.post(
     url,
     body: json.encode(body),
   );
 
-  debugPrint(response.body);
+//  debugPrint(response.body);
 
   if (response.statusCode == 200) {
     final responseJson = json.decode(response.body);
@@ -38,17 +38,18 @@ Future<LoginModel> requestLoginAPI(
 
     return LoginModel.fromJson(responseJson);
   } else {
-    debugPrint("Invalid, either creds are wrong or server is down");
-    Navigator.of(context).pushReplacementNamed('/HomePage'); // just here temporarily while server is down
+//    debugPrint("Invalid, either credentials are wrong or server is down");
 
     final responseJson = json.decode(response.body);
 
     saveCurrentLogin(responseJson, body["email"]);
+
     showDialogSingleButton(
         context,
         "Unable to Login",
         "You may have supplied an invalid 'Email' / 'Password' combination. Please try again or email an administrator.",
         "OK");
+
     return null;
   }
 }

lib/common/apifunctions/request_logout_api.dart

@@ -26,12 +26,12 @@ Future<LoginModel> requestLogoutAPI(BuildContext context) async {
   );
 
   if (response.statusCode == 200) {
-    debugPrint("Logout successful: " + response.body);
+//    debugPrint("Logout successful: " + response.body);
 
     saveLogout();
     return null;
   } else {
-    debugPrint("Logout unsuccessful: " + response.body);
+//    debugPrint("Logout unsuccessful: " + response.body);
 
     saveLogout();
     return null;

lib/common/apifunctions/submit_receipt_api.dart

@@ -46,20 +46,20 @@ Future<LoginModel> submitReceiptAPI(
     'session_key': preferences.get('LastToken'),
   };
 
-  debugPrint('$body');
-  debugPrint(json.encode(body));
+//  debugPrint('$body');
+//  debugPrint(json.encode(body));
 
   final response = await http.post(
     url,
     body: json.encode(body),
   );
 
-  debugPrint(response.body);
+//  debugPrint(response.body);
 
   if (response.statusCode == 200) {
     final responseJson = json.decode(response.body);
 
-    print(responseJson[0]);
+//    print(responseJson[0]);
 
     showDialogSingleButton(
         context,

lib/common/functions/logout.dart

@@ -1,7 +1,17 @@
 import 'package:flutter/material.dart';
 import 'package:local_spend/common/apifunctions/request_logout_api.dart';
+import 'package:shared_preferences/shared_preferences.dart';
 
 logout(context) {
   requestLogoutAPI(context);
   Navigator.of(context).pushReplacementNamed('/LoginPage');
+  _clearLoginDetails();
+}
+
+_clearLoginDetails() async {
+  SharedPreferences preferences = await SharedPreferences.getInstance();
+
+  preferences.setString('username', "");
+  preferences.setString('password', "");
+  print("details cleared");
 }

lib/common/widgets/basic_drawer.dart

@@ -37,7 +37,7 @@ class _BasicDrawerState extends State<BasicDrawer> {
                 style: TextStyle(color: Colors.black, fontSize: 20.0),
               ),
               onTap: () {
-                debugPrint('$token');
+//                debugPrint('$token');
                 Navigator.of(context).pushNamed('/ReceiptPage');
               },
               // enabled: token != null && token.isNotEmpty,

lib/pages/login_page.dart

@@ -19,8 +19,8 @@ class LoginPage extends StatefulWidget {
 }
 
 class LoginPageState extends State<LoginPage> {
-  final TextEditingController _emailController = TextEditingController(text: 'test@example.com'); // remove
-  final TextEditingController _passwordController = TextEditingController(text: 'abc123');        // remove
+  final TextEditingController _emailController = TextEditingController(/*text: 'test@example.com'*/); // remove
+  final TextEditingController _passwordController = TextEditingController(/*text: 'abc123'*/);        // remove
   bool _saveLoginDetails = true;  // I am extremely sorry for the placement of this variable
                                   // it will be fixed soon I promise
 
@@ -44,6 +44,8 @@ class LoginPageState extends State<LoginPage> {
     _saveCurrentRoute("/LoginPage");
 
     focusNode = FocusNode();
+
+    _fillLoginDetails();
   }
 
   @override
@@ -52,13 +54,35 @@ class LoginPageState extends State<LoginPage> {
     super.dispose();
   }
 
+  _fillLoginDetails() async {
+    SharedPreferences preferences = await SharedPreferences.getInstance();
+
+    var username = await preferences.get('username');
+    var password = await preferences.get('password');
+
+    _emailController.text = await username;
+    _passwordController.text = await password;
+  }
+
   _saveCurrentRoute(String lastRoute) async {
     SharedPreferences preferences = await SharedPreferences.getInstance();
     await preferences.setString('LastPageRoute', lastRoute);
   }
 
-  void login(String username, String password) {
+  login(String username, String password) async {
     SystemChannels.textInput.invokeMethod('TextInput.hide');
+    SharedPreferences preferences = await SharedPreferences.getInstance();
+
+    if (_saveLoginDetails) {
+      await preferences.setString('username', username);
+      await preferences.setString('password', password);
+      print("details saved");
+    } else {
+      await preferences.setString('username', "");
+      await preferences.setString('password', "");
+      print("details cleared");
+    }
+
     requestLoginAPI(context, username,
         password);
   }
@@ -174,7 +198,7 @@ class LoginPageState extends State<LoginPage> {
                     gradient: new LinearGradient(
                       colors: [
                         Colors.blue[300],
-                        Colors.blue[600],
+                        Colors.blue[500],
                       ],
                       stops: [0,1],
                       begin: Alignment.topLeft,

lib/pages/receipt_page.dart

@@ -106,7 +106,7 @@ class ReceiptPageState extends State<ReceiptPage> {
       // setting up 'receipt'
       receipt.amount = amount;
       receipt.time = formatDate(time);
-      debugPrint(organisation.name + ", " + organisation.streetName + ", " + organisation.town + ", " + organisation.postcode);
+//      debugPrint(organisation.name + ", " + organisation.streetName + ", " + organisation.town + ", " + organisation.postcode);
       receipt.organisationName = organisation.name;
       receipt.street = organisation.streetName;
       receipt.town = organisation.town;