go based routing for groups

api/api/objects.py

@@ -29,6 +29,8 @@ def get(user, id):
   owner = user and (user.get('_id') == proj['user'])
   if not owner and proj['visibility'] != 'public':
     raise util.errors.BadRequest('Forbidden')
+  if obj['type'] == 'file' and 'storedName' in obj:
+    obj['url'] = uploads.get_presigned_url('projects/{0}/{1}'.format(proj['_id'], obj['storedName']))
   if obj['type'] == 'pattern' and 'preview' in obj and '.png' in obj['preview']:
     obj['previewUrl'] = uploads.get_presigned_url('projects/{0}/{1}'.format(proj['_id'], obj['preview']))
     del obj['preview']

mobile/lib/group.dart

@@ -6,31 +6,41 @@ import 'group_noticeboard.dart';
 import 'group_members.dart';
 
 class _GroupScreenState extends State<GroupScreen> {
+  final String id;
+  Map<String, dynamic>? _group;
   int _selectedIndex = 0;
-  List<Widget> _widgetOptions = <Widget> [];
-  final Map<String, dynamic> _group;
 
-  _GroupScreenState(this._group) {
-    _widgetOptions = <Widget> [
-      GroupNoticeBoardTab(this._group),
-      GroupMembersTab(this._group)
-    ];
+  _GroupScreenState(this.id) { }
+
+  @override
+  void initState() {
+    fetchGroup();
+    super.initState();
   }
 
-  void _onItemTapped(int index) {
-    setState(() {
-      _selectedIndex = index;
-    });
+  void fetchGroup() async {
+    Api api = Api();
+    var data = await api.request('GET', '/groups/' + id);
+    if (data['success'] == true) {
+      setState(() {
+        _group = data['payload'];
+      });
+    }
   }
 
   @override
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text(_group['name'])
+        title: Text(_group?['name'] ?? 'Group')
       ),
       body: Center(
-        child: _widgetOptions.elementAt(_selectedIndex),
+        child: _group != null ?
+          [
+            GroupNoticeBoardTab(_group!),
+            GroupMembersTab(_group!)
+          ].elementAt(_selectedIndex)
+        : CircularProgressIndicator(),
       ),
       bottomNavigationBar: BottomNavigationBar(
         items: const <BottomNavigationBarItem>[
@@ -45,15 +55,17 @@ class _GroupScreenState extends State<GroupScreen> {
         ],
         currentIndex: _selectedIndex,
         selectedItemColor: Colors.pink[600],
-        onTap: _onItemTapped,
+        onTap: (int index) => setState(() {
+          _selectedIndex = index;
+        }),
       ),
     );
   }
 }
 
 class GroupScreen extends StatefulWidget {
-  final Map<String,dynamic> group;
-  GroupScreen(this.group) { }
+  final String id;
+  GroupScreen(this.id) { }
   @override
-  _GroupScreenState createState() => _GroupScreenState(group); 
+  _GroupScreenState createState() => _GroupScreenState(id); 
 }

mobile/lib/groups.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:provider/provider.dart';
-import 'group.dart';
+import 'package:go_router/go_router.dart';
 import 'api.dart';
 import 'model.dart';
 import 'lib.dart';
@@ -16,6 +16,8 @@ class _GroupsTabState extends State<GroupsTab> {
   }
 
   void getGroups() async {
+    AppModel model = Provider.of<AppModel>(context, listen: false);
+    if (model.user == null) return;
     setState(() => _loading = true);
     Api api = Api();
     var data = await api.request('GET', '/groups');
@@ -36,14 +38,7 @@ class _GroupsTabState extends State<GroupsTab> {
     }
     return Card(
         child: InkWell(
-          onTap: () {
-            Navigator.push(
-	      context,
-              MaterialPageRoute(
-                builder: (context) => GroupScreen(group),
-              ),
-            );
-          },
+          onTap: () => context.push('/groups/' + group['_id']),
           child: ListTile(
             leading: Icon(Icons.people),
             trailing: Icon(Icons.keyboard_arrow_right),

mobile/lib/lib.dart

@@ -263,12 +263,7 @@ class PatternCard extends StatelessWidget {
       ),
       child: InkWell(
         onTap: () {
-          Navigator.push(
-            context,
-            MaterialPageRoute(
-              builder: (context) => ObjectScreen(object, object['projectObject']),
-            ),
-          );
+          context.push('/' + object['userObject']['username'] + '/' + object['projectObject']['path'] + '/' + object['_id']);
         },
         child: Column(
           children: [

mobile/lib/main.dart

@@ -13,7 +13,9 @@ import 'register.dart';
 import 'onboarding.dart';
 import 'home.dart';
 import 'project.dart';
+import 'object.dart';
 import 'settings.dart';
+import 'group.dart';
 
 final router = GoRouter(
   routes: [
@@ -37,7 +39,9 @@ final router = GoRouter(
     GoRoute(path: '/onboarding', builder: (context, state) => OnboardingScreen()),
     GoRoute(path: '/home', builder: (context, state) => HomeScreen()),
     GoRoute(path: '/settings', builder: (context, state) => SettingsScreen()),
-    GoRoute(path: '/:username/:id', builder: (context, state) => ProjectScreen(state.pathParameters['username']!, state.pathParameters['id']!)),
+    GoRoute(path: '/groups/:id', builder: (context, state) => GroupScreen(state.pathParameters['id']!)),
+    GoRoute(path: '/:username/:path', builder: (context, state) => ProjectScreen(state.pathParameters['username']!, state.pathParameters['path']!)),
+    GoRoute(path: '/:username/:path/:id', builder: (context, state) => ObjectScreen(state.pathParameters['username']!, state.pathParameters['path']!, state.pathParameters['id']!)),
   ],
 );
 
@@ -114,9 +118,7 @@ class Startup extends StatelessWidget {
     _handled = true;
     SharedPreferences prefs = await SharedPreferences.getInstance();      
     String? token = prefs.getString('apiToken');
-    print('Nooo');
     if (token != null) {
-      print('HEE');
       AppModel model = Provider.of<AppModel>(context, listen: false);
       await model.setToken(token!);
       FirebaseMessaging _firebaseMessaging = FirebaseMessaging.instance;

mobile/lib/object.dart

@@ -3,6 +3,7 @@ import 'package:flutter/cupertino.dart';
 import 'package:provider/provider.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:flutter_html/flutter_html.dart';
+import 'package:go_router/go_router.dart';
 import 'dart:io';
 import 'api.dart';
 import 'util.dart';
@@ -10,30 +11,32 @@ import 'patterns/pattern.dart';
 import 'patterns/viewer.dart';
 
 class _ObjectScreenState extends State<ObjectScreen> {
-  final Map<String,dynamic> _project;
-  Map<String,dynamic> _object;
-  Map<String,dynamic>? _pattern;
+  final String username;
+  final String projectPath;
+  final String id;
+  final Map<String,dynamic>? project;
+  Map<String,dynamic>? object;
+  Map<String,dynamic>? pattern;
   bool _isLoading = false;
   final Function? onUpdate;
   final Function? onDelete;
   final Api api = Api();
   final Util util = Util();
   
-  _ObjectScreenState(this._object, this._project, {this.onUpdate, this.onDelete}) { }
+  _ObjectScreenState(this.username, this.projectPath, this.id, {this.object, this.project, this.onUpdate, this.onDelete}) { }
 
   @override
   initState() {
     super.initState();
-    if (_object['type'] == 'pattern') {
-      _fetchPattern();
-    }
+    fetchObject();
   }
 
-  void _fetchPattern() async {
-    var data = await api.request('GET', '/objects/' + _object['_id']);
+  void fetchObject() async {
+    var data = await api.request('GET', '/objects/' + id);
     if (data['success'] == true) {
       setState(() {
-        _pattern = data['payload']['pattern']; 
+        object = data['payload'];
+        pattern = data['payload']['pattern']; 
       });
     }
   }
@@ -41,14 +44,14 @@ class _ObjectScreenState extends State<ObjectScreen> {
   void _shareObject() async {
     setState(() => _isLoading = true);
     File? file;
-    if (_object['type'] == 'pattern') {
-      var data = await api.request('GET', '/objects/' + _object['_id'] + '/wif');
+    if (object!['type'] == 'pattern') {
+      var data = await api.request('GET', '/objects/' + id + '/wif');
       if (data['success'] == true) {
-        file = await util.writeFile(_object['name'] + '.wif', data['payload']['wif']);
+        file = await util.writeFile(object!['name'] + '.wif', data['payload']['wif']);
       }
     } else {
-      String fileName = Uri.file(_object['url']).pathSegments.last;
-      file = await api.downloadFile(_object['url'], fileName);
+      String fileName = Uri.file(object!['url']).pathSegments.last;
+      file = await api.downloadFile(object!['url'], fileName);
     }
 
     if (file != null) {
@@ -58,12 +61,10 @@ class _ObjectScreenState extends State<ObjectScreen> {
   }
 
   void _deleteObject(BuildContext context, BuildContext modalContext) async {
-    var data = await api.request('DELETE', '/objects/' + _object['_id']);
+    var data = await api.request('DELETE', '/objects/' + id);
     if (data['success']) {
-      Navigator.pop(context);
-      Navigator.pop(modalContext);
-      Navigator.pop(context);
-      onDelete!(_object['_id']);
+      context.go('/home');
+      onDelete!(id);
     }
   }
 
@@ -77,7 +78,7 @@ class _ObjectScreenState extends State<ObjectScreen> {
           CupertinoDialogAction(
             isDefaultAction: true,
             child: Text('No'),
-            onPressed: () => Navigator.pop(context),
+            onPressed: () => context.pop(),
           ),
           CupertinoDialogAction(
             isDestructiveAction: true,
@@ -105,22 +106,22 @@ class _ObjectScreenState extends State<ObjectScreen> {
             TextButton(
               child: Text('CANCEL'),
               onPressed: () {
-                Navigator.pop(context);
+                context.pop();
               },
             ),
             TextButton(
               child: Text('OK'),
               onPressed: () async {
-                var data = await api.request('PUT', '/objects/' + _object['_id'], {'name': renameController.text});
+                var data = await api.request('PUT', '/objects/' + id, {'name': renameController.text});
                 if (data['success']) {
-                  Navigator.pop(context);
-                  _object['name'] = data['payload']['name'];
-                  onUpdate!(_object['_id'], data['payload']);
+                  context.pop();
+                  object!['name'] = data['payload']['name'];
+                  onUpdate!(id, data['payload']);
                   setState(() {
-                    _object = _object;
+                    object = object;
                   });
                 }
-                Navigator.pop(context);
+                context.pop();
               },
             ),
           ],
@@ -136,7 +137,7 @@ class _ObjectScreenState extends State<ObjectScreen> {
         return CupertinoActionSheet(
           title: Text('Manage this object'),
           cancelButton: CupertinoActionSheetAction(
-            onPressed: () => Navigator.of(modalContext).pop(),
+            onPressed: () => modalContext.pop(),
             child: Text('Cancel')
           ),
           actions: [
@@ -156,15 +157,22 @@ class _ObjectScreenState extends State<ObjectScreen> {
   }
 
   Widget getObjectWidget() {
-    if (_object['isImage'] == true) {
-      return Image.network(_object['url']);
+    if (object == null) {
+      return Center(child: Column(
+        crossAxisAlignment: CrossAxisAlignment.center,
+        children: [CircularProgressIndicator()]
+      ));
     }
-    else if (_object['type'] == 'pattern') {
-      if (_pattern != null) {
-        return PatternViewer(_pattern!, withEditor: true);
+    else if (object!['isImage'] == true && object!['url'] != null) {
+      print(object!['url']);
+      return Image.network(object!['url']);
+    }
+    else if (object!['type'] == 'pattern') {
+      if (pattern != null) {
+        return PatternViewer(pattern!, withEditor: true);
       }
-      else if (_object['previewUrl'] != null) {
-        return Image.network(_object['previewUrl']!);;
+      else if (object!['previewUrl'] != null) {
+        return Image.network(object!['previewUrl']!);;
       }
       else {
         return Column(
@@ -184,7 +192,7 @@ class _ObjectScreenState extends State<ObjectScreen> {
           Text('Treadl cannot display this type of item.'),
           SizedBox(height: 20),
           ElevatedButton(child: Text('View file'), onPressed: () {
-            launch(_object['url']);
+            launch(object!['url']);
           }),
         ],
       ));
@@ -194,11 +202,11 @@ class _ObjectScreenState extends State<ObjectScreen> {
   @override
   Widget build(BuildContext context) {
     String description = '';
-    if (_object['description'] != null)
-      description = _object['description'];
+    if (object?['description'] != null)
+      description = object!['description']!;
     return Scaffold(
       appBar: AppBar(
-        title: Text(_object['name']),
+        title: Text(object?['name'] ?? 'Object'),
         actions: <Widget>[
            IconButton(
             icon: Icon(Icons.ios_share),
@@ -228,12 +236,15 @@ class _ObjectScreenState extends State<ObjectScreen> {
 }
 
 class ObjectScreen extends StatefulWidget {
-  final Map<String,dynamic> _object;
-  final Map<String,dynamic> _project;
+  final String username;
+  final String projectPath;
+  final String id;
+  final Map<String,dynamic>? object;
+  final Map<String,dynamic>? project;
   final Function? onUpdate;
   final Function? onDelete;
-  ObjectScreen(this._object, this._project, {this.onUpdate, this.onDelete}) { }
+  ObjectScreen(this.username, this.projectPath, this.id, {this.object, this.project, this.onUpdate, this.onDelete}) { }
   @override
-  _ObjectScreenState createState() => _ObjectScreenState(_object, _project, onUpdate: onUpdate, onDelete: onDelete); 
+  _ObjectScreenState createState() => _ObjectScreenState(username, projectPath, id, object: object, project: project, onUpdate: onUpdate, onDelete: onDelete); 
 }
 

mobile/lib/onboarding.dart

@@ -112,7 +112,7 @@ class _OnboardingScreenState extends State<OnboardingScreen> {
                 CupertinoButton(
                   color: Colors.white,
                   child: Text('Get started', style: TextStyle(color: Colors.pink)),
-                  onPressed: () => context.go('/'),
+                  onPressed: () => context.go('/home'),
                 ),
               ]
             )

mobile/lib/project.dart

@@ -9,7 +9,7 @@ import 'package:intl/intl.dart';
 import 'dart:io';
 import 'api.dart';
 import 'util.dart';
-import 'object.dart';
+import 'model.dart';
 
 class _ProjectScreenState extends State<ProjectScreen> {
   final String username;
@@ -252,12 +252,7 @@ class _ProjectScreenState extends State<ProjectScreen> {
     return new Card(
       child: InkWell(
         onTap: () {
-          Navigator.push(
-            context,
-            MaterialPageRoute(
-              builder: (context) => ObjectScreen(object, project!, onUpdate: _onUpdateObject, onDelete: _onDeleteObject),
-            ),
-          );
+          context.push('/' + username + '/' + projectPath + '/' + object['_id']);
         },
         child: ListTile(
           leading: leader,
@@ -269,8 +264,31 @@ class _ProjectScreenState extends State<ProjectScreen> {
     );
   }
 
+  Widget getBody() {
+    if (_loading || project == null)
+      return CircularProgressIndicator();
+    else if ((_objects != null && _objects.length > 0) || _creating)
+      return ListView.builder(
+        itemCount: _objects.length + (_creating ? 1 : 0),
+        itemBuilder: (BuildContext context, int index) {
+          return getObjectCard(index);
+        },
+      );
+    else 
+      return Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Text('This project is currently empty', style: TextStyle(fontSize: 20), textAlign: TextAlign.center),
+          Image(image: AssetImage('assets/empty.png'), width: 300),
+          Text('Add a pattern file, an image, or something else to this project using the + button below.', textAlign: TextAlign.center),
+      ]);
+  }
+
   @override
   Widget build(BuildContext context) {
+    AppModel model = Provider.of<AppModel>(context);
+    User? user = model.user;
     return Scaffold(
       appBar: AppBar(
         title: Text(project?['name'] ?? 'Project'),
@@ -289,33 +307,13 @@ class _ProjectScreenState extends State<ProjectScreen> {
           ) : SizedBox(width: 0),
         ]
       ),
-      body: _loading ?
-        Container(
-          margin: const EdgeInsets.all(10.0),
-          alignment: Alignment.center,
-          child: CircularProgressIndicator()
-        )
-      : Container(
+      body: Container(
         margin: const EdgeInsets.all(10.0),
-        child: ((_objects != null && _objects.length > 0) || _creating) ?
-          ListView.builder(
-            itemCount: _objects.length + (_creating ? 1 : 0),
-            itemBuilder: (BuildContext context, int index) {
-              return getObjectCard(index);
-            },
-          )
-        :
-          Column(
-            crossAxisAlignment: CrossAxisAlignment.stretch,
-            mainAxisAlignment: MainAxisAlignment.center,
-            children: [
-              Text('This project is currently empty', style: TextStyle(fontSize: 20), textAlign: TextAlign.center),
-              Image(image: AssetImage('assets/empty.png'), width: 300),
-              Text('Add a pattern file, an image, or something else to this project using the + button below.', textAlign: TextAlign.center),
-          ])
+        alignment: Alignment.center,
+        child: getBody(),
       ),
       floatingActionButtonLocation: ExpandableFab.location,
-      floatingActionButton: ExpandableFab(
+      floatingActionButton: user != null ? ExpandableFab(
         distance: 70,
         type: ExpandableFabType.up,
         openButtonBuilder: RotateFloatingActionButtonBuilder(
@@ -355,7 +353,7 @@ class _ProjectScreenState extends State<ProjectScreen> {
             ),
           ]),
         ],
-      ),
+      ) : null,
     ); 
   }
 }

mobile/lib/projects.dart

@@ -19,6 +19,8 @@ class _ProjectsTabState extends State<ProjectsTab> {
   }
 
   void getProjects() async {
+    AppModel model = Provider.of<AppModel>(context, listen: false);
+    if (model.user == null) return;
     setState(() {
       _loading = true;
     });
@@ -131,6 +133,8 @@ class _ProjectsTabState extends State<ProjectsTab> {
 
   @override
   Widget build(BuildContext context) {
+    AppModel model = Provider.of<AppModel>(context);
+    User? user = model.user;
     return Scaffold(
       appBar: AppBar(
         title: Text('My Projects'),
@@ -148,11 +152,11 @@ class _ProjectsTabState extends State<ProjectsTab> {
         alignment: Alignment.center,
         child: getBody()
       ),
-      floatingActionButton: FloatingActionButton(
+      floatingActionButton: user != null ? FloatingActionButton(
         onPressed: showNewProjectDialog,
         child: _creatingProject ? CircularProgressIndicator(backgroundColor: Colors.white) : Icon(Icons.add),
         backgroundColor: Colors.pink[500],
-      ),
+      ) : null,
     ); 
   }
 }

mobile/lib/settings.dart

@@ -79,6 +79,8 @@ class SettingsScreen extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    AppModel model = Provider.of<AppModel>(context);
+    User? user = model.user;
     return Scaffold(
       appBar: AppBar(
         title: Text('About Treadl'),
@@ -96,16 +98,24 @@ class SettingsScreen extends StatelessWidget {
           ),
 
           SizedBox(height: 30),
-      
-          ListTile(
-            leading: Icon(Icons.exit_to_app),
-            title: Text('Logout'),
-            onTap: () => _logout(context),
-          ),
-          ListTile(
-            leading: Icon(Icons.delete),
-            title: Text('Delete Account'),
-            onTap: () => _deleteAccount(context),
+
+          user != null ? Column(
+            children: [
+              ListTile(
+                leading: Icon(Icons.exit_to_app),
+                title: Text('Logout'),
+                onTap: () => _logout(context),
+              ),
+              ListTile(
+                leading: Icon(Icons.delete),
+                title: Text('Delete Account'),
+                onTap: () => _deleteAccount(context),
+              ),
+            ]
+          ) : CupertinoButton(
+            color: Colors.pink,
+            child: Text('Join Treadl', style: TextStyle(color: Colors.white)),
+            onPressed: () => context.push('/welcome'),
           ),
 
           SizedBox(height: 30),