feat(gl): commit screen

lib/models/gitlab.dart

@@ -178,6 +178,16 @@ class GitlabCommit {
       _$GitlabCommitFromJson(json);
 }
 
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GitlabDiff {
+  String diff;
+  String newPath;
+  String oldPath;
+  GitlabDiff();
+  factory GitlabDiff.fromJson(Map<String, dynamic> json) =>
+      _$GitlabDiffFromJson(json);
+}
+
 @JsonSerializable(fieldRename: FieldRename.snake)
 class GitlabIssue {
   String title;

lib/models/gitlab.g.dart

@@ -309,6 +309,20 @@ Map<String, dynamic> _$GitlabCommitToJson(GitlabCommit instance) =>
       'message': instance.message,
     };
 
+GitlabDiff _$GitlabDiffFromJson(Map<String, dynamic> json) {
+  return GitlabDiff()
+    ..diff = json['diff'] as String
+    ..newPath = json['new_path'] as String
+    ..oldPath = json['old_path'] as String;
+}
+
+Map<String, dynamic> _$GitlabDiffToJson(GitlabDiff instance) =>
+    <String, dynamic>{
+      'diff': instance.diff,
+      'new_path': instance.newPath,
+      'old_path': instance.oldPath,
+    };
+
 GitlabIssue _$GitlabIssueFromJson(Map<String, dynamic> json) {
   return GitlabIssue()
     ..title = json['title'] as String

lib/router.dart

@@ -6,6 +6,7 @@ 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_org_repos.dart';
+import 'package:git_touch/screens/gl_commit.dart';
 import 'package:git_touch/screens/gt_commits.dart';
 import 'package:git_touch/screens/gt_issues.dart';
 import 'package:git_touch/screens/gt_object.dart';
@@ -146,6 +147,7 @@ class GitlabRouter {
     GitlabRouter.issues,
     GitlabRouter.mergeRequests,
     GitlabRouter.commits,
+    GitlabRouter.commit,
     GitlabRouter.projectMembers,
     GitlabRouter.groupMembers,
     GitlabRouter.issue,
@@ -182,6 +184,10 @@ class GitlabRouter {
       '/projects/:id/commits',
       (context, params) =>
           GlCommitsScreen(params['id'].first, prefix: params['prefix'].first));
+  static final commit = RouterScreen(
+      '/projects/:id/commit/:sha',
+      (context, params) =>
+          GlCommitScreen(params['id'].first, sha: params['sha'].first));
   static final projectMembers = RouterScreen(
       '/projects/:id/members',
       (context, parameters) =>

lib/screens/gl_commit.dart

@@ -0,0 +1,44 @@
+import 'package:flutter/material.dart';
+import 'package:git_touch/models/auth.dart';
+import 'package:git_touch/models/gitlab.dart';
+import 'package:git_touch/models/code.dart';
+import 'package:git_touch/scaffolds/refresh_stateful.dart';
+import 'package:git_touch/widgets/app_bar_title.dart';
+import 'package:provider/provider.dart';
+
+class GlCommitScreen extends StatelessWidget {
+  final String id;
+  final String sha;
+  GlCommitScreen(this.id, {this.sha});
+
+  Future<List<GitlabDiff>> _query(BuildContext context, [int page = 1]) async {
+    final auth = Provider.of<AuthModel>(context);
+    final res = await auth
+        .fetchGitlabWithPage('/projects/$id/repository/commits/$sha/diff');
+    return (res.data as List).map((v) => GitlabDiff.fromJson(v)).toList();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final code = Provider.of<CodeModel>(context);
+
+    return RefreshStatefulScaffold<List<GitlabDiff>>(
+      title: AppBarTitle('Commits'),
+      fetchData: () => _query(context),
+      bodyBuilder: (items, _) {
+        return Column(
+          children: <Widget>[
+            for (var item in items)
+              Text(
+                item.diff,
+                style: TextStyle(
+                  fontFamily: code.fontFamilyUsed,
+                  fontSize: 14,
+                ),
+              )
+          ],
+        );
+      },
+    );
+  }
+}