feat(gitee): add tree screen

lib/models/gitee.dart

@@ -50,6 +50,7 @@ class GiteeRepo {
   String homepage;
   int openIssuesCount;
   bool pullRequestsEnabled;
+  String defaultBranch;
   GiteeRepo();
   factory GiteeRepo.fromJson(Map<String, dynamic> json) =>
       _$GiteeRepoFromJson(json);
@@ -102,3 +103,14 @@ class GiteeCommitAuthor {
   factory GiteeCommitAuthor.fromJson(Map<String, dynamic> json) =>
       _$GiteeCommitAuthorFromJson(json);
 }
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GiteeTreeItem {
+  String path;
+  String type;
+  String sha;
+  int size;
+  GiteeTreeItem();
+  factory GiteeTreeItem.fromJson(Map<String, dynamic> json) =>
+      _$GiteeTreeItemFromJson(json);
+}

lib/models/gitee.g.dart

@@ -78,7 +78,8 @@ GiteeRepo _$GiteeRepoFromJson(Map<String, dynamic> json) {
     ..license = json['license'] as String
     ..homepage = json['homepage'] as String
     ..openIssuesCount = json['open_issues_count'] as int
-    ..pullRequestsEnabled = json['pull_requests_enabled'] as bool;
+    ..pullRequestsEnabled = json['pull_requests_enabled'] as bool
+    ..defaultBranch = json['default_branch'] as String;
 }
 
 Map<String, dynamic> _$GiteeRepoToJson(GiteeRepo instance) => <String, dynamic>{
@@ -98,6 +99,7 @@ Map<String, dynamic> _$GiteeRepoToJson(GiteeRepo instance) => <String, dynamic>{
       'homepage': instance.homepage,
       'open_issues_count': instance.openIssuesCount,
       'pull_requests_enabled': instance.pullRequestsEnabled,
+      'default_branch': instance.defaultBranch,
     };
 
 GiteeRepoOwner _$GiteeRepoOwnerFromJson(Map<String, dynamic> json) {
@@ -173,3 +175,19 @@ Map<String, dynamic> _$GiteeCommitAuthorToJson(GiteeCommitAuthor instance) =>
       'email': instance.email,
       'date': instance.date?.toIso8601String(),
     };
+
+GiteeTreeItem _$GiteeTreeItemFromJson(Map<String, dynamic> json) {
+  return GiteeTreeItem()
+    ..path = json['path'] as String
+    ..type = json['type'] as String
+    ..sha = json['sha'] as String
+    ..size = json['size'] as int;
+}
+
+Map<String, dynamic> _$GiteeTreeItemToJson(GiteeTreeItem instance) =>
+    <String, dynamic>{
+      'path': instance.path,
+      'type': instance.type,
+      'sha': instance.sha,
+      'size': instance.size,
+    };

lib/router.dart

@@ -9,6 +9,7 @@ import 'package:git_touch/screens/code_theme.dart';
 import 'package:git_touch/screens/ge_commits.dart';
 import 'package:git_touch/screens/ge_repo.dart';
 import 'package:git_touch/screens/ge_repos.dart';
+import 'package:git_touch/screens/ge_tree.dart';
 import 'package:git_touch/screens/ge_user.dart';
 import 'package:git_touch/screens/ge_users.dart';
 import 'package:git_touch/screens/gh_commits.dart';
@@ -386,6 +387,7 @@ class GiteeRouter {
     GiteeRouter.watchers,
     GiteeRouter.forks,
     GiteeRouter.commits,
+    GiteeRouter.tree,
   ];
   static final user = RouterScreen('/:login', (context, p) {
     final login = p['login'].first;
@@ -422,4 +424,11 @@ class GiteeRouter {
     '/:owner/:name/commits',
     (_, p) => GeCommitsScreen(p['owner'].first, p['name'].first),
   );
+  static final tree = RouterScreen(
+    '/:owner/:name/tree/:sha',
+    (context, parameters) {
+      return GeTreeScreen(parameters['owner'].first, parameters['name'].first,
+          parameters['sha'].first);
+    },
+  );
 }

lib/screens/ge_repo.dart

@@ -73,7 +73,7 @@ class GeRepoScreen extends StatelessWidget {
                   leftIconData: Octicons.code,
                   text: Text('Code'),
                   rightWidget: Text(p.license ?? ''),
-                  url: '/gitee/$owner/$name/blob',
+                  url: '/gitee/$owner/$name/tree/${p.defaultBranch}',
                 ),
                 TableViewItem(
                   leftIconData: Octicons.issue_opened,

lib/screens/ge_tree.dart

@@ -0,0 +1,56 @@
+import 'package:flutter/cupertino.dart';
+import 'package:git_touch/models/gitee.dart';
+import 'package:git_touch/scaffolds/refresh_stateful.dart';
+import 'package:git_touch/utils/utils.dart';
+import 'package:git_touch/widgets/app_bar_title.dart';
+import 'package:git_touch/widgets/object_tree.dart';
+import 'package:flutter/material.dart';
+import 'package:git_touch/models/auth.dart';
+import 'package:provider/provider.dart';
+
+class GeTreeScreen extends StatelessWidget {
+  final String owner;
+  final String name;
+  final String sha;
+  GeTreeScreen(this.owner, this.name, this.sha);
+
+  @override
+  Widget build(BuildContext context) {
+    return RefreshStatefulScaffold<List<GiteeTreeItem>>(
+      title: AppBarTitle('Files'),
+      fetch: () async {
+        final res = await context
+            .read<AuthModel>()
+            .fetchGitee('/repos/$owner/$name/git/trees/$sha');
+        final items = [for (var v in res['tree']) GiteeTreeItem.fromJson(v)];
+        items.sort((a, b) {
+          return sortByKey('tree', a.type, b.type);
+        });
+        return items;
+      },
+      bodyBuilder: (data, _) {
+        return ObjectTree(
+          items: [
+            for (var item in data)
+              ObjectTreeItem(
+                type: item.type,
+                name: item.path,
+                size: item.size,
+                downloadUrl: '', // TODO:
+                url: (() {
+                  switch (item.type) {
+                    case 'tree':
+                      return '/gitee/$owner/$name/tree/${item.sha}';
+                    case 'blob':
+                      return '/gitee/$owner/$name/blob/${item.sha}';
+                    default:
+                      return null;
+                  }
+                })(),
+              )
+          ],
+        );
+      },
+    );
+  }
+}