Fix export issue

lib/pages/ItemPages/item_result_screen.dart

@@ -11,6 +11,7 @@ import 'package:flutter_downloader/flutter_downloader.dart';
 import 'package:permission_handler/permission_handler.dart';
 
 import '../../config/routes.dart';
+import '../../providers/auth.dart';
 import '../../providers/connectivity.dart';
 import '../../widgets/CycleScreens/Result/banner.dart';
 import '../../widgets/CycleScreens/Result/search_box.dart';
@@ -38,23 +39,25 @@ class _ItemResultScreenState extends State<ItemResultScreen> {
   void initState() {
     sc = new ScrollController();
     super.initState();
-    IsolateNameServer.registerPortWithName(_port.sendPort, 'downloader_send_port');
+    IsolateNameServer.registerPortWithName(
+        _port.sendPort, 'downloader_send_port');
     _port.listen((dynamic data) {
-    String id = data[0];
-    DownloadTaskStatus status = data[1];
-    int progress = data[2];
-    if (status == DownloadTaskStatus.complete) {
-      print('Downloaded');
-    }
-    setState((){ });
-  });
+      String id = data[0];
+      DownloadTaskStatus status = data[1];
+      int progress = data[2];
+      if (status == DownloadTaskStatus.complete) {
+        print('Downloaded');
+      }
+      setState(() {});
+    });
 
-  FlutterDownloader.registerCallback(downloadCallback);
+    FlutterDownloader.registerCallback(downloadCallback);
   }
 
   @pragma('vm:entry-point')
   static void downloadCallback(String id, int status, int progress) {
-    final SendPort? send = IsolateNameServer.lookupPortByName('downloader_send_port');
+    final SendPort? send =
+        IsolateNameServer.lookupPortByName('downloader_send_port');
     send!.send([id, status, progress]);
   }
 
@@ -106,7 +109,12 @@ class _ItemResultScreenState extends State<ItemResultScreen> {
           ),
           appBar: AppBar(
             titleSpacing: -10,
-            title: Text('Home', style: TextStyle(color: Colors.white,),),
+            title: Text(
+              'Home',
+              style: TextStyle(
+                color: Colors.white,
+              ),
+            ),
             backgroundColor: Colors.black,
             leading: IconButton(
               icon: Icon(
@@ -281,30 +289,33 @@ class ItemResultFloatingButton extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final userData = Provider.of<Auth>(context, listen: false).user;
     return Row(
       mainAxisAlignment: MainAxisAlignment.end,
       children: <Widget>[
-        InkWell(
-          customBorder: CircleBorder(),
-          onTap: () async {
-            var status = await Permission.storage.request();
-            if (status.isGranted) {
-              Provider.of<ItemProvider>(context, listen: false).exportItems();
-            }
-          },
-          child: Container(
-            padding: EdgeInsets.all(_deviceBlockSize),
-            decoration: BoxDecoration(
-              shape: BoxShape.circle,
-              color: Colors.black,
-            ),
-            child: Icon(
-              Icons.import_export,
-              size: 10 * _deviceBlockSize,
-              color: Colors.white,
+        if (userData['roles'].contains('Supervisor') ||
+            userData['roles'].contains('Admin'))
+          InkWell(
+            customBorder: CircleBorder(),
+            onTap: () async {
+              var status = await Permission.storage.request();
+              if (status.isGranted) {
+                Provider.of<ItemProvider>(context, listen: false).exportItems();
+              }
+            },
+            child: Container(
+              padding: EdgeInsets.all(_deviceBlockSize),
+              decoration: BoxDecoration(
+                shape: BoxShape.circle,
+                color: Colors.black,
+              ),
+              child: Icon(
+                Icons.import_export,
+                size: 10 * _deviceBlockSize,
+                color: Colors.white,
+              ),
             ),
           ),
-        ),
         SizedBox(
           width: 2 * _deviceBlockSize,
         ),

lib/pages/PackagePages/package_result_screen.dart

@@ -11,6 +11,7 @@ import 'package:flutter_downloader/flutter_downloader.dart';
 import 'package:permission_handler/permission_handler.dart';
 
 import '../../config/routes.dart';
+import '../../providers/auth.dart';
 import '../../providers/connectivity.dart';
 import '../../widgets/CycleScreens/Result/banner.dart';
 import '../../widgets/CycleScreens/Result/search_box.dart';
@@ -254,9 +255,12 @@ class PackageResultFloatingButton extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final userData = Provider.of<Auth>(context, listen: false).user;
     return Row(
       mainAxisAlignment: MainAxisAlignment.end,
       children: [
+        if (userData['roles'].contains('Supervisor') ||
+            userData['roles'].contains('Admin'))
         InkWell(
           customBorder: CircleBorder(),
           onTap: () async {

lib/providers/items.dart

@@ -379,8 +379,14 @@ class ItemProvider extends ChangeNotifier {
 	  final taskId = await FlutterDownloader.enqueue(
       url: Url.exportItems,
       savedDir: baseStorage!.path,
+      headers: {
+        'Authorization': User.token,
+        "Accept": "*"
+      },
       showNotification: true,
       openFileFromNotification: true,
+      saveInPublicStorage: true,
+      fileName: "Items " + DateTime.now().toString() + ".xlsx",
     );
     print(taskId);
     return true;

lib/providers/packages.dart

@@ -342,9 +342,15 @@ class PackageProvider extends ChangeNotifier {
     final baseStorage = await getExternalStorageDirectory();
     final taskId = await FlutterDownloader.enqueue(
       url: Url.exportPackages,
+      headers: {
+        'Authorization': User.token,
+        "Accept": "*"
+      },
       savedDir: baseStorage!.path,
       showNotification: true,
       openFileFromNotification: true,
+      saveInPublicStorage: true,
+      fileName: "Packages " + DateTime.now().toString() + ".xlsx",
     );
     print(taskId);
     return true;