refactor: push router

lib/main.dart

@@ -13,6 +13,7 @@ import 'package:git_touch/screens/notification.dart';
 import 'package:git_touch/screens/object.dart';
 import 'package:git_touch/screens/repository.dart';
 import 'package:git_touch/screens/repositories.dart';
+import 'package:git_touch/screens/settings.dart';
 import 'package:git_touch/screens/user.dart';
 import 'package:primer/primer.dart';
 import 'package:provider/provider.dart';
@@ -234,6 +235,11 @@ void main() async {
       return LoginScreen();
     },
   ));
+  themeModel.router.define('/settings', handler: Handler(
+    handlerFunc: (context, params) {
+      return SettingsScreen();
+    },
+  ));
   themeModel.router.define('/help/credits', handler: Handler(
     handlerFunc: (context, params) {
       return CreditsScreen();

lib/screens/issues.dart

@@ -2,7 +2,6 @@ import 'package:flutter/material.dart';
 import 'package:git_touch/models/auth.dart';
 import 'package:git_touch/models/theme.dart';
 import 'package:git_touch/scaffolds/list_stateful.dart';
-import 'package:git_touch/screens/issue_form.dart';
 import 'package:git_touch/widgets/action_entry.dart';
 import 'package:git_touch/widgets/app_bar_title.dart';
 import 'package:git_touch/widgets/issue_item.dart';
@@ -52,9 +51,8 @@ class IssuesScreen extends StatelessWidget {
       actionBuilder: () => ActionEntry(
           iconData: Octicons.plus,
           onTap: () {
-            Provider.of<ThemeModel>(context).pushRoute(
-                context, (_) => IssueFormScreen(owner, name),
-                fullscreenDialog: true);
+            Provider.of<ThemeModel>(context)
+                .push(context, '/$owner/$name/issues/new');
           }),
       onRefresh: () => _query(context),
       onLoadMore: (cursor) => _query(context, cursor),

lib/screens/user.dart

@@ -3,7 +3,6 @@ import 'package:flutter/cupertino.dart';
 import 'package:git_touch/graphql/github_user.dart';
 import 'package:git_touch/models/theme.dart';
 import 'package:git_touch/scaffolds/refresh_stateful.dart';
-import 'package:git_touch/screens/settings.dart';
 import 'package:git_touch/screens/users.dart';
 import 'package:git_touch/utils/utils.dart';
 import 'package:git_touch/widgets/action_entry.dart';
@@ -270,9 +269,7 @@ class UserScreen extends StatelessWidget {
               return ActionEntry(
                 iconData: Icons.settings,
                 onTap: () {
-                  Provider.of<ThemeModel>(context).pushRoute(
-                      context, (_) => SettingsScreen(),
-                      fullscreenDialog: true);
+                  Provider.of<ThemeModel>(context).push(context, '/settings');
                 },
               );
             } else {

lib/widgets/avatar.dart

@@ -37,9 +37,10 @@ class Avatar extends StatelessWidget {
         ),
       ),
       onTap: () {
-        Provider.of<ThemeModel>(context).pushRoute(
-            context, (_) => ImageViewScreen(url),
-            fullscreenDialog: true);
+        // TODO:
+        // Provider.of<ThemeModel>(context).pushRoute(
+        //     context, (_) => ImageViewScreen(url),
+        //     fullscreenDialog: true);
       },
     );
   }

lib/widgets/entry_item.dart

@@ -46,7 +46,6 @@ class EntryItem extends StatelessWidget {
             ],
           ),
         ),
-        screenBuilder: screenBuilder,
         url: url,
       ),
     );

lib/widgets/issue_item.dart

@@ -5,7 +5,6 @@ import 'package:provider/provider.dart';
 import 'package:timeago/timeago.dart' as timeago;
 import '../utils/utils.dart';
 import '../widgets/link.dart';
-import '../screens/issue.dart';
 
 const issueGqlChunk = '''
 number
@@ -43,14 +42,8 @@ class IssueItem extends StatelessWidget {
     final theme = Provider.of<ThemeModel>(context);
 
     return Link(
-      screenBuilder: (context) {
-        return IssueScreen(
-          payload['repository']['owner']['login'] as String,
-          payload['repository']['name'] as String,
-          payload['number'] as int,
-          isPullRequest: isPullRequest,
-        );
-      },
+      url:
+          '/${payload['repository']['owner']['login']}/${payload['repository']['name']}/${isPullRequest ? 'pulls' : 'issues'}/${payload['number']}',
       child: Container(
         padding: CommonStyle.padding,
         // color: payload.unread ? Colors.white : Colors.black12,

lib/widgets/notification_item.dart

@@ -102,15 +102,9 @@ class _NotificationItemState extends State<NotificationItem> {
         switch (payload.type) {
           case 'Issue':
           case 'PullRequest':
-            Provider.of<ThemeModel>(context).pushRoute(
-                context,
-                (_) => IssueScreen(
-                      payload.owner,
-                      payload.name,
-                      payload.number,
-                      isPullRequest: payload.type == 'PullRequest',
-                    ));
-
+            final resource = payload.type == 'PullRequest' ? 'pulls' : 'issues';
+            Provider.of<ThemeModel>(context).push(context,
+                '/${payload.owner}/${payload.name}/$resource/${payload.number}');
             break;
           case 'Release':
             launchUrl(