feat(bb): explore screen

lib/home.dart

@@ -3,6 +3,7 @@ import 'package:flutter/cupertino.dart';
 import 'package:git_touch/models/auth.dart';
 import 'package:git_touch/models/notification.dart';
 import 'package:git_touch/models/theme.dart';
+import 'package:git_touch/screens/bb_explore.dart';
 import 'package:git_touch/screens/bb_user.dart';
 import 'package:git_touch/screens/gitea_orgs.dart';
 import 'package:git_touch/screens/gitea_user.dart';
@@ -64,7 +65,7 @@ class _HomeState extends State<Home> {
       case PlatformType.bitbucket:
         switch (index) {
           case 0:
-            return BbUserScreen(null);
+            return BbExplore();
           case 1:
             return BbUserScreen(null);
         }

lib/models/auth.dart

@@ -40,6 +40,19 @@ class DataWithPage<T> {
   });
 }
 
+class BbPagePayload<T> {
+  T data;
+  String cursor;
+  bool hasMore;
+  int total;
+  BbPagePayload({
+    @required this.data,
+    @required this.cursor,
+    @required this.hasMore,
+    this.total,
+  });
+}
+
 class AuthModel with ChangeNotifier {
   static const _apiPrefix = 'https://api.github.com';
 
@@ -248,7 +261,7 @@ class AuthModel with ChangeNotifier {
   }
 
   Future fetchBb(String p) async {
-    if (!p.startsWith('/api')) p = '/api/2.0$p';
+    if (p.startsWith('/') && !p.startsWith('/api')) p = '/api/2.0$p';
     final input = Uri.parse(p);
     final uri = Uri.parse(activeAccount.domain).replace(
       userInfo: '${activeAccount.login}:${activeAccount.appPassword}',
@@ -260,11 +273,11 @@ class AuthModel with ChangeNotifier {
     return info;
   }
 
-  Future<DataWithPage<List>> fetchBbWithPage(String p) async {
+  Future<BbPagePayload<List>> fetchBbWithPage(String p) async {
     final res = await fetchBb(p);
     final v = BbPagination.fromJson(res);
-    return DataWithPage(
-      cursor: v.page,
+    return BbPagePayload(
+      cursor: v.next,
       total: v.size,
       data: v.values,
       hasMore: v.next != null,

lib/screens/bb_explore.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/material.dart';
+import 'package:git_touch/models/auth.dart';
+import 'package:git_touch/models/bitbucket.dart';
+import 'package:git_touch/scaffolds/list_stateful.dart';
+import 'package:git_touch/widgets/app_bar_title.dart';
+import 'package:git_touch/widgets/repository_item.dart';
+import 'package:provider/provider.dart';
+
+class BbExplore extends StatelessWidget {
+  Future<ListPayload<BbRepo, String>> _query(BuildContext context,
+      [String nextUrl]) async {
+    final auth = Provider.of<AuthModel>(context);
+    final res = await auth.fetchBbWithPage(
+        nextUrl ?? '/repositories?role=member&sort=-updated_on');
+    return ListPayload(
+      cursor: res.cursor,
+      hasMore: res.hasMore,
+      items: <BbRepo>[
+        for (var v in res.data) BbRepo.fromJson(v),
+      ],
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return ListStatefulScaffold<BbRepo, String>(
+      title: AppBarTitle('Explore'),
+      onRefresh: () => _query(context),
+      onLoadMore: (page) => _query(context, page),
+      itemBuilder: (v) {
+        return RepositoryItem.bb(payload: v);
+      },
+    );
+  }
+}

lib/screens/bb_user.dart

@@ -9,7 +9,6 @@ import 'package:git_touch/widgets/user_header.dart';
 import 'package:provider/provider.dart';
 import 'package:tuple/tuple.dart';
 import 'package:git_touch/utils/utils.dart';
-import 'package:timeago/timeago.dart' as timeago;
 
 class BbUserScreen extends StatelessWidget {
   final String login;
@@ -30,7 +29,7 @@ class BbUserScreen extends StatelessWidget {
         return Tuple2(
           BbUser.fromJson(res[0]),
           [
-            for (var v in (res[1] as DataWithPage<List>).data)
+            for (var v in (res[1] as BbPagePayload<List>).data)
               BbRepo.fromJson(v)
           ],
         );
@@ -56,18 +55,7 @@ class BbUserScreen extends StatelessWidget {
             CommonStyle.border,
             Column(
               children: <Widget>[
-                for (var v in repos)
-                  RepositoryItem(
-                    owner: v.owner.displayName,
-                    name: v.name,
-                    url: '/bitbucket/${v.fullName}',
-                    avatarUrl: v.avatarUrl,
-                    avatarLink: '/bitbucket/${v.owner.displayName}',
-                    note: 'Updated ${timeago.format(v.updatedOn)}',
-                    description: v.description,
-                    forkCount: 0,
-                    starCount: 0,
-                  )
+                for (var v in repos) RepositoryItem.bb(payload: v)
               ],
             )
           ],

lib/widgets/repository_item.dart

@@ -1,11 +1,13 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
+import 'package:git_touch/models/bitbucket.dart';
 import 'package:git_touch/models/gitlab.dart';
 import 'package:git_touch/models/theme.dart';
 import 'package:git_touch/widgets/avatar.dart';
 import 'package:provider/provider.dart';
 import '../utils/utils.dart';
 import 'link.dart';
+import 'package:timeago/timeago.dart' as timeago;
 
 class RepositoryItem extends StatelessWidget {
   final String owner;
@@ -36,6 +38,21 @@ class RepositoryItem extends StatelessWidget {
     @required this.avatarLink,
   });
 
+  RepositoryItem.bb({
+    @required BbRepo payload,
+    this.primaryLanguageName,
+    this.primaryLanguageColor,
+  })  : owner = payload.owner.displayName,
+        name = payload.name,
+        url = '/bitbucket/${payload.fullName}',
+        avatarUrl = payload.avatarUrl,
+        avatarLink = '/bitbucket/${payload.owner.displayName}',
+        note = 'Updated ${timeago.format(payload.updatedOn)}',
+        description = payload.description,
+        forkCount = 0,
+        starCount = 0,
+        iconData = payload.isPrivate ? Octicons.lock : null;
+
   RepositoryItem.gl({
     @required GitlabProject payload,
     this.primaryLanguageName,