feat(gh): add events screen

lib/router.dart

@@ -8,6 +8,7 @@ import 'package:git_touch/screens/bb_user.dart';
 import 'package:git_touch/screens/code_theme.dart';
 import 'package:git_touch/screens/gh_commits.dart';
 import 'package:git_touch/screens/gh_contributors.dart';
+import 'package:git_touch/screens/gh_events.dart';
 import 'package:git_touch/screens/gh_files.dart';
 import 'package:git_touch/screens/gh_gists_files.dart';
 import 'package:git_touch/screens/gh_org_repos.dart';
@@ -106,6 +107,8 @@ class GithubRouter {
         return GhUserOrganizationScreen(login);
       case 'gists':
         return GhGistsScreen(login);
+      case 'events':
+        return GhEventsScreen(login);
       default:
         return GhUserScreen(login);
     }

lib/screens/gh_events.dart

@@ -0,0 +1,36 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:git_touch/models/github.dart';
+import 'package:git_touch/scaffolds/list_stateful.dart';
+import 'package:git_touch/utils/utils.dart';
+import 'package:git_touch/widgets/app_bar_title.dart';
+import 'package:provider/provider.dart';
+import 'package:git_touch/widgets/event_item.dart';
+import 'package:git_touch/models/auth.dart';
+
+class GhEventsScreen extends StatelessWidget {
+  final String login;
+  GhEventsScreen(this.login);
+
+  Future<ListPayload<GithubEvent, int>> fetchEvents(BuildContext context,
+      [int page = 1]) async {
+    final events = await context.read<AuthModel>().ghClient.getJSON(
+        '/users/$login/events?page=$page&per_page=$pageSize',
+        convert: (vs) => [for (var v in vs) GithubEvent.fromJson(v)]);
+    return ListPayload(
+      cursor: page + 1,
+      hasMore: events.length == pageSize,
+      items: events,
+    );
+  }
+
+  @override
+  Widget build(context) {
+    return ListStatefulScaffold<GithubEvent, int>(
+      title: AppBarTitle('Events'),
+      itemBuilder: (payload) => EventItem(payload),
+      onRefresh: () => fetchEvents(context),
+      onLoadMore: (page) => fetchEvents(context, page),
+    );
+  }
+}

lib/screens/gh_user.dart

@@ -149,9 +149,15 @@ class GhUserScreen extends StatelessWidget {
           hasIcon: true,
           items: [
             TableViewItem(
-                leftIconData: Octicons.book,
-                text: Text('Gists'),
-                url: '/github/$login?tab=gists'),
+              leftIconData: Icons.rss_feed,
+              text: Text('Events'),
+              url: '/github/$login?tab=events',
+            ),
+            TableViewItem(
+              leftIconData: Octicons.book,
+              text: Text('Gists'),
+              url: '/github/$login?tab=gists',
+            ),
             TableViewItem(
               leftIconData: Octicons.home,
               text: Text('Organizations'),
@@ -252,6 +258,11 @@ class GhUserScreen extends StatelessWidget {
         TableView(
           hasIcon: true,
           items: [
+            TableViewItem(
+              leftIconData: Icons.rss_feed,
+              text: Text('Events'),
+              url: '/github/$login?tab=events',
+            ),
             if (isNotNullOrEmpty(p.location))
               TableViewItem(
                 leftIconData: Octicons.location,