feat(gitlab): project activity screen

lib/models/gitlab.dart

@@ -143,3 +143,28 @@ class GitlabBlob {
   factory GitlabBlob.fromJson(Map<String, dynamic> json) =>
       _$GitlabBlobFromJson(json);
 }
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GitlabEvent {
+  GitlabUser author;
+  String actionName;
+  String targetType;
+  GitlabEventNote note;
+
+  GitlabEvent();
+
+  factory GitlabEvent.fromJson(Map<String, dynamic> json) =>
+      _$GitlabEventFromJson(json);
+}
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GitlabEventNote {
+  String body;
+  String noteableType;
+  int noteableIid;
+
+  GitlabEventNote();
+
+  factory GitlabEventNote.fromJson(Map<String, dynamic> json) =>
+      _$GitlabEventNoteFromJson(json);
+}

lib/models/gitlab.g.dart

@@ -189,3 +189,37 @@ Map<String, dynamic> _$GitlabBlobToJson(GitlabBlob instance) =>
     <String, dynamic>{
       'content': instance.content,
     };
+
+GitlabEvent _$GitlabEventFromJson(Map<String, dynamic> json) {
+  return GitlabEvent()
+    ..author = json['author'] == null
+        ? null
+        : GitlabUser.fromJson(json['author'] as Map<String, dynamic>)
+    ..actionName = json['action_name'] as String
+    ..targetType = json['target_type'] as String
+    ..note = json['note'] == null
+        ? null
+        : GitlabEventNote.fromJson(json['note'] as Map<String, dynamic>);
+}
+
+Map<String, dynamic> _$GitlabEventToJson(GitlabEvent instance) =>
+    <String, dynamic>{
+      'author': instance.author,
+      'action_name': instance.actionName,
+      'target_type': instance.targetType,
+      'note': instance.note,
+    };
+
+GitlabEventNote _$GitlabEventNoteFromJson(Map<String, dynamic> json) {
+  return GitlabEventNote()
+    ..body = json['body'] as String
+    ..noteableType = json['noteable_type'] as String
+    ..noteableIid = json['noteable_iid'] as int;
+}
+
+Map<String, dynamic> _$GitlabEventNoteToJson(GitlabEventNote instance) =>
+    <String, dynamic>{
+      'body': instance.body,
+      'noteable_type': instance.noteableType,
+      'noteable_iid': instance.noteableIid,
+    };

lib/screens/gitlab_project_activity.dart

@@ -0,0 +1,70 @@
+import 'package:flutter/material.dart';
+import 'package:git_touch/models/auth.dart';
+import 'package:git_touch/models/gitlab.dart';
+import 'package:git_touch/models/theme.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:git_touch/widgets/avatar.dart';
+import 'package:git_touch/widgets/link.dart';
+import 'package:provider/provider.dart';
+
+class GitlabProjectActivity extends StatelessWidget {
+  final int id;
+
+  GitlabProjectActivity(this.id);
+
+  Future<ListPayload<GitlabEvent, int>> _query(BuildContext context,
+      [int page]) async {
+    final auth = Provider.of<AuthModel>(context);
+    final vs = await auth.fetchGitlab('/projects/$id/events');
+    final events = (vs as List).map((v) => GitlabEvent.fromJson(v)).toList();
+    return ListPayload(cursor: page, items: events, hasMore: false);
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Provider.of<ThemeModel>(context);
+    return ListStatefulScaffold<GitlabEvent, int>(
+      title: AppBarTitle('Activity'),
+      onRefresh: () => _query(context),
+      onLoadMore: (int page) => _query(context, page),
+      itemBuilder: (data) {
+        return Link(
+          url: '',
+          child: Container(
+            padding: CommonStyle.padding,
+            child: Row(
+              children: <Widget>[
+                Avatar.medium(url: data.author.avatarUrl),
+                SizedBox(width: 12),
+                Expanded(
+                  child: Column(
+                    children: <Widget>[
+                      Text.rich(
+                        TextSpan(
+                          children: [
+                            TextSpan(
+                              text: data.author.name,
+                              style: TextStyle(
+                                color: theme.palette.primary,
+                                fontWeight: FontWeight.w500,
+                              ),
+                            ),
+                            TextSpan(
+                                text: ' ' + data.actionName + data.targetType),
+                          ],
+                        ),
+                      ),
+                      Text(data.note.body)
+                    ],
+                  ),
+                ),
+              ],
+            ),
+          ),
+        );
+      },
+    );
+  }
+}