feat: add view owner action at repo screen

lib/providers/settings.dart

@@ -7,6 +7,7 @@ import 'package:nanoid/nanoid.dart';
 import 'package:url_launcher/url_launcher.dart';
 // import 'package:flutter/services.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter/cupertino.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 // import '../utils/utils.dart';
 import '../utils/constants.dart';
@@ -357,6 +358,26 @@ class SettingsProviderState extends State<SettingsProvider> {
     return true;
   }
 
+  void pushRoute({
+    @required BuildContext context,
+    @required WidgetBuilder builder,
+    bool fullscreenDialog = false,
+  }) {
+    switch (theme) {
+      case ThemeMap.cupertino:
+        Navigator.of(context).push(CupertinoPageRoute(
+          builder: builder,
+          fullscreenDialog: fullscreenDialog,
+        ));
+        break;
+      default:
+        Navigator.of(context).push(MaterialPageRoute(
+          builder: builder,
+          fullscreenDialog: fullscreenDialog,
+        ));
+    }
+  }
+
   String randomString;
 
   generateRandomString() {

lib/screens/repo.dart

@@ -9,6 +9,7 @@ import '../scaffolds/refresh.dart';
 import '../widgets/repo_item.dart';
 import '../widgets/entry_item.dart';
 import '../screens/issues.dart';
+import '../screens/user.dart';
 import '../widgets/action.dart';
 
 class RepoScreen extends StatefulWidget {
@@ -22,8 +23,8 @@ class RepoScreen extends StatefulWidget {
 }
 
 class _RepoScreenState extends State<RepoScreen> {
-  get owner => widget.owner;
-  get name => widget.name;
+  String get owner => widget.owner;
+  String get name => widget.name;
 
   Future queryRepo(BuildContext context) async {
     var data = await SettingsProvider.of(context).query('''
@@ -31,6 +32,7 @@ class _RepoScreenState extends State<RepoScreen> {
   repository(owner: "$owner", name: "$name") {
     id
     owner {
+      __typename
       login
     }
     name
@@ -89,6 +91,24 @@ class _RepoScreenState extends State<RepoScreen> {
         var payload = data[0];
 
         return ActionButton(title: 'Repository Actions', actions: [
+          Action(
+            text: 'View @$owner',
+            onPress: () {
+              WidgetBuilder builder;
+
+              switch (payload['owner']['__typename']) {
+                case 'Organization':
+                  // TODO:
+                  break;
+                case 'User':
+                  builder = (_) => UserScreen(owner);
+                  break;
+              }
+
+              SettingsProvider.of(context)
+                  .pushRoute(context: context, builder: builder);
+            },
+          ),
           Action(
             text: payload['viewerHasStarred'] ? 'Unstar' : 'Star',
             onPress: () async {

lib/widgets/link.dart

@@ -31,19 +31,11 @@ class Link extends StatelessWidget {
     }
 
     if (screenBuilder != null) {
-      switch (theme) {
-        case ThemeMap.cupertino:
-          Navigator.of(context).push(CupertinoPageRoute(
-            builder: screenBuilder,
-            fullscreenDialog: fullscreenDialog,
-          ));
-          break;
-        default:
-          Navigator.of(context).push(MaterialPageRoute(
-            builder: screenBuilder,
-            fullscreenDialog: fullscreenDialog,
-          ));
-      }
+      SettingsProvider.of(context).pushRoute(
+        context: context,
+        builder: screenBuilder,
+        fullscreenDialog: fullscreenDialog,
+      );
     }
 
     if (url != null) {