refactor: gitlab types

lib/models/gitlab.dart

@@ -0,0 +1,81 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'gitlab.g.dart';
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GitlabUser {
+  int id;
+  String username;
+  String name;
+  String avatarUrl;
+
+  GitlabUser();
+
+  factory GitlabUser.fromJson(Map<String, dynamic> json) =>
+      _$GitlabUserFromJson(json);
+}
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GitlabRepository {
+  int id;
+  GitlabUser owner;
+  String name;
+  String description;
+  int starCount;
+  int forksCount;
+
+  GitlabRepository();
+
+  factory GitlabRepository.fromJson(Map<String, dynamic> json) =>
+      _$GitlabRepositoryFromJson(json);
+}
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GitlabTodoProject {
+  String pathWithNamespace;
+
+  GitlabTodoProject();
+
+  factory GitlabTodoProject.fromJson(Map<String, dynamic> json) =>
+      _$GitlabTodoProjectFromJson(json);
+}
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GitlabTodo {
+  GitlabUser author;
+  GitlabTodoProject project;
+  String actionName;
+  String targetType;
+  GitlabIssue target;
+
+  GitlabTodo();
+
+  factory GitlabTodo.fromJson(Map<String, dynamic> json) =>
+      _$GitlabTodoFromJson(json);
+}
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GitlabIssue {
+  int iid;
+  int projectId;
+  String title;
+  GitlabUser author;
+  String description;
+  String createdAt;
+
+  GitlabIssue();
+
+  factory GitlabIssue.fromJson(Map<String, dynamic> json) =>
+      _$GitlabIssueFromJson(json);
+}
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GitlabIssueNote {
+  GitlabUser author;
+  String body;
+
+  GitlabIssueNote();
+
+  factory GitlabIssueNote.fromJson(Map<String, dynamic> json) =>
+      _$GitlabIssueNoteFromJson(json);
+}

lib/models/gitlab.g.dart

@@ -0,0 +1,115 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'gitlab.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+GitlabUser _$GitlabUserFromJson(Map<String, dynamic> json) {
+  return GitlabUser()
+    ..id = json['id'] as int
+    ..username = json['username'] as String
+    ..name = json['name'] as String
+    ..avatarUrl = json['avatar_url'] as String;
+}
+
+Map<String, dynamic> _$GitlabUserToJson(GitlabUser instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'username': instance.username,
+      'name': instance.name,
+      'avatar_url': instance.avatarUrl,
+    };
+
+GitlabRepository _$GitlabRepositoryFromJson(Map<String, dynamic> json) {
+  return GitlabRepository()
+    ..id = json['id'] as int
+    ..owner = json['owner'] == null
+        ? null
+        : GitlabUser.fromJson(json['owner'] as Map<String, dynamic>)
+    ..name = json['name'] as String
+    ..description = json['description'] as String
+    ..starCount = json['star_count'] as int
+    ..forksCount = json['forks_count'] as int;
+}
+
+Map<String, dynamic> _$GitlabRepositoryToJson(GitlabRepository instance) =>
+    <String, dynamic>{
+      'id': instance.id,
+      'owner': instance.owner,
+      'name': instance.name,
+      'description': instance.description,
+      'star_count': instance.starCount,
+      'forks_count': instance.forksCount,
+    };
+
+GitlabTodoProject _$GitlabTodoProjectFromJson(Map<String, dynamic> json) {
+  return GitlabTodoProject()
+    ..pathWithNamespace = json['path_with_namespace'] as String;
+}
+
+Map<String, dynamic> _$GitlabTodoProjectToJson(GitlabTodoProject instance) =>
+    <String, dynamic>{
+      'path_with_namespace': instance.pathWithNamespace,
+    };
+
+GitlabTodo _$GitlabTodoFromJson(Map<String, dynamic> json) {
+  return GitlabTodo()
+    ..author = json['author'] == null
+        ? null
+        : GitlabUser.fromJson(json['author'] as Map<String, dynamic>)
+    ..project = json['project'] == null
+        ? null
+        : GitlabTodoProject.fromJson(json['project'] as Map<String, dynamic>)
+    ..actionName = json['action_name'] as String
+    ..targetType = json['target_type'] as String
+    ..target = json['target'] == null
+        ? null
+        : GitlabIssue.fromJson(json['target'] as Map<String, dynamic>);
+}
+
+Map<String, dynamic> _$GitlabTodoToJson(GitlabTodo instance) =>
+    <String, dynamic>{
+      'author': instance.author,
+      'project': instance.project,
+      'action_name': instance.actionName,
+      'target_type': instance.targetType,
+      'target': instance.target,
+    };
+
+GitlabIssue _$GitlabIssueFromJson(Map<String, dynamic> json) {
+  return GitlabIssue()
+    ..iid = json['iid'] as int
+    ..projectId = json['project_id'] as int
+    ..title = json['title'] as String
+    ..author = json['author'] == null
+        ? null
+        : GitlabUser.fromJson(json['author'] as Map<String, dynamic>)
+    ..description = json['description'] as String
+    ..createdAt = json['created_at'] as String;
+}
+
+Map<String, dynamic> _$GitlabIssueToJson(GitlabIssue instance) =>
+    <String, dynamic>{
+      'iid': instance.iid,
+      'project_id': instance.projectId,
+      'title': instance.title,
+      'author': instance.author,
+      'description': instance.description,
+      'created_at': instance.createdAt,
+    };
+
+GitlabIssueNote _$GitlabIssueNoteFromJson(Map<String, dynamic> json) {
+  return GitlabIssueNote()
+    ..author = json['author'] == null
+        ? null
+        : GitlabUser.fromJson(json['author'] as Map<String, dynamic>)
+    ..body = json['body'] as String;
+}
+
+Map<String, dynamic> _$GitlabIssueNoteToJson(GitlabIssueNote instance) =>
+    <String, dynamic>{
+      'author': instance.author,
+      'body': instance.body,
+    };

lib/screens/gitlab/issue.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:git_touch/models/gitlab.dart';
 import 'package:git_touch/scaffolds/refresh_stateful.dart';
 import 'package:git_touch/utils/utils.dart';
 import 'package:git_touch/widgets/avatar.dart';
@@ -6,34 +7,40 @@ import 'package:git_touch/widgets/markdown_view.dart';
 import 'package:provider/provider.dart';
 import 'package:git_touch/models/auth.dart';
 import 'package:timeago/timeago.dart' as timeago;
+import 'package:tuple/tuple.dart';
 
 class GitlabIssueScreen extends StatelessWidget {
   final int projectId;
-  final int issueIid;
+  final int iid;
   final bool isMr;
 
-  GitlabIssueScreen(this.projectId, this.issueIid, {this.isMr});
+  GitlabIssueScreen(this.projectId, this.iid, {this.isMr});
 
   @override
   Widget build(BuildContext context) {
-    return RefreshStatefulScaffold(
-      title: Text('Issue #$issueIid'),
+    return RefreshStatefulScaffold<
+        Tuple3<GitlabIssue, Iterable<GitlabIssueNote>, List>>(
+      title: Text('Issue #$iid'),
       fetchData: () async {
         final type = isMr ? 'merge_requests' : 'issues';
         final items = await Future.wait([
           Provider.of<AuthModel>(context)
-              .fetchGitlab('/projects/$projectId/$type/$issueIid'),
+              .fetchGitlab('/projects/$projectId/$type/$iid'),
           Provider.of<AuthModel>(context)
-              .fetchGitlab('/projects/$projectId/$type/$issueIid/notes'),
+              .fetchGitlab('/projects/$projectId/$type/$iid/notes'),
           Provider.of<AuthModel>(context)
-              .fetchGitlab('/projects/$projectId/$type/$issueIid/award_emoji'),
+              .fetchGitlab('/projects/$projectId/$type/$iid/award_emoji'),
         ]);
-        return items;
+        return Tuple3(
+          GitlabIssue.fromJson(items[0]),
+          (items[1] as List).map((v) => GitlabIssueNote.fromJson(v)),
+          items[2] as List,
+        );
       },
       bodyBuilder: (data, _) {
-        final issue = data[0];
-        final notes = data[1] as List;
-        final emoji = data[2];
+        final issue = data.item1;
+        final notes = data.item2;
+        final emoji = data.item3;
 
         return Column(
           children: <Widget>[
@@ -41,16 +48,16 @@ class GitlabIssueScreen extends StatelessWidget {
               padding: CommonStyle.padding,
               child: Column(
                 children: <Widget>[
-                  Text(issue['title']),
+                  Text(issue.title),
                   Row(
                     children: <Widget>[
-                      Avatar.medium(url: issue['author']['avatar_url']),
+                      Avatar.medium(url: issue.author.avatarUrl),
                       Expanded(
-                        child: Text(issue['description']),
+                        child: Text(issue.description),
                       ),
                     ],
                   ),
-                  Text(timeago.format(DateTime.parse(issue['created_at'])))
+                  Text(timeago.format(DateTime.parse(issue.createdAt)))
                 ],
               ),
             ),
@@ -63,15 +70,15 @@ class GitlabIssueScreen extends StatelessWidget {
                     children: <Widget>[
                       Row(
                         children: <Widget>[
-                          Avatar.medium(url: note['author']['avatar_url']),
+                          Avatar.medium(url: note.author.avatarUrl),
                           Expanded(
                             child: Column(
-                              children: <Widget>[Text(note['author']['name'])],
+                              children: <Widget>[Text(note.author.name)],
                             ),
                           )
                         ],
                       ),
-                      MarkdownView(note['body']),
+                      MarkdownView(note.body),
                     ],
                   ),
                 );

lib/screens/gitlab/todos.dart

@@ -1,5 +1,6 @@
 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/refresh_stateful.dart';
 import 'package:git_touch/screens/gitlab/issue.dart';
@@ -13,33 +14,32 @@ class GitlabTodosScreen extends StatelessWidget {
   Widget build(BuildContext context) {
     final theme = Provider.of<ThemeModel>(context);
 
-    return RefreshStatefulScaffold(
+    return RefreshStatefulScaffold<Iterable<GitlabTodo>>(
       title: Text('Todos'),
-      fetchData: () {
-        return Provider.of<AuthModel>(context).fetchGitlab('/todos');
+      fetchData: () async {
+        final vs = await Provider.of<AuthModel>(context).fetchGitlab('/todos');
+        return (vs as List).map((v) => GitlabTodo.fromJson(v));
       },
       bodyBuilder: (data, _) {
         return Column(
           crossAxisAlignment: CrossAxisAlignment.stretch,
-          children: (data as List).map((item) {
+          children: data.map((item) {
             return Link(
               screenBuilder: (_) => GitlabIssueScreen(
-                  item['target']['project_id'], item['target']['iid'],
-                  isMr: item['target_type'] == 'MergeRequest'),
+                  item.target.projectId, item.target.iid,
+                  isMr: item.targetType == 'MergeRequest'),
               child: Container(
                 padding: CommonStyle.padding,
                 child: Row(
                   children: <Widget>[
-                    Avatar.medium(
-                      url: item['author']['avatar_url'],
-                    ),
+                    Avatar.medium(url: item.author.avatarUrl),
                     SizedBox(width: 12),
                     Expanded(
                       child: Text.rich(
                         TextSpan(
                           children: [
                             TextSpan(
-                              text: item['author']['name'],
+                              text: item.author.name,
                               style: TextStyle(
                                 color: theme.palette.primary,
                                 fontWeight: FontWeight.w500,
@@ -47,13 +47,13 @@ class GitlabTodosScreen extends StatelessWidget {
                             ),
                             TextSpan(
                               text: ' ' +
-                                  item['action_name'] +
+                                  item.actionName +
                                   ' you ' +
-                                  item['target_type'] +
+                                  item.targetType +
                                   ' ' +
-                                  item['project']['path_with_namespace'] +
+                                  item.project.pathWithNamespace +
                                   ' ' +
-                                  item['target']['iid'].toString(),
+                                  item.target.iid.toString(),
                             ),
                           ],
                         ),

lib/screens/gitlab/user.dart

@@ -1,10 +1,12 @@
 import 'package:flutter/widgets.dart';
 import 'package:git_touch/models/auth.dart';
+import 'package:git_touch/models/gitlab.dart';
 import 'package:git_touch/scaffolds/refresh_stateful.dart';
 import 'package:git_touch/widgets/border_view.dart';
 import 'package:git_touch/widgets/repository_item.dart';
 import 'package:git_touch/widgets/user_item.dart';
 import 'package:provider/provider.dart';
+import 'package:tuple/tuple.dart';
 
 class GitlabUserScreen extends StatelessWidget {
   final String username;
@@ -13,32 +15,35 @@ class GitlabUserScreen extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return RefreshStatefulScaffold(
+    return RefreshStatefulScaffold<
+        Tuple3<GitlabUser, Iterable<GitlabRepository>,
+            List<Map<String, double>>>>(
       title: Text('User'),
       fetchData: () async {
-        final items = await Provider.of<AuthModel>(context)
-            .fetchGitlab('/users?username=$username');
-        final user = items[0];
-        final projects = await Provider.of<AuthModel>(context)
-            .fetchGitlab('/users/${user['id']}/projects') as List;
-        final langs = await Future.wait(projects.map((p) =>
-            Provider.of<AuthModel>(context)
-                .fetchGitlab('/projects/${p['id']}/languages')));
-        for (var i = 0; i < projects.length; i++) {
-          projects[i]['language'] = langs[i];
-        }
-        return [user, projects];
+        final auth = Provider.of<AuthModel>(context);
+
+        final v0 = await auth.fetchGitlab('/users?username=$username');
+        final user = GitlabUser.fromJson(v0[0]);
+
+        final v1 = await auth.fetchGitlab('/users/${user.id}/projects');
+        final projects = (v1 as List).map((v) => GitlabRepository.fromJson(v));
+
+        final languages = await Future.wait(projects
+            .map((p) => auth.fetchGitlab('/projects/${p.id}/languages')));
+
+        return Tuple3(user, projects, languages.cast<Map<String, double>>());
       },
       bodyBuilder: (data, _) {
-        final user = data[0];
-        final projects = data[1] as List;
+        final user = data.item1;
+        final projects = data.item2;
+        final languages = data.item3;
 
         return Column(
           children: <Widget>[
             UserItem(
-              login: user['username'],
-              avatarUrl: user['avatar_url'],
-              name: user['name'],
+              login: user.username,
+              avatarUrl: user.avatarUrl,
+              name: user.name,
             ),
             BorderView(height: 10),
             Column(

lib/widgets/repository_item.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter/cupertino.dart';
+import 'package:git_touch/models/gitlab.dart';
 import 'package:git_touch/models/theme.dart';
 import 'package:git_touch/screens/repository.dart';
 import 'package:git_touch/widgets/action_button.dart';
@@ -65,18 +66,18 @@ class RepositoryItem extends StatelessWidget {
             ? []
             : payload['repositoryTopics']['nodes'];
 
-  RepositoryItem.gitlab(payload, {this.inRepoScreen = false})
-      : this.owner = payload['namespace']['name'],
-        this.avatarUrl = payload['owner']['avatar_url'],
-        this.name = payload['name'],
-        this.description = payload['description'],
+  RepositoryItem.gitlab(GitlabRepository payload, {this.inRepoScreen = false})
+      : this.owner = payload.owner.name,
+        this.avatarUrl = payload.owner.avatarUrl,
+        this.name = payload.name,
+        this.description = payload.description,
         this.iconData = Octicons.repo,
-        this.starCount = payload['star_count'],
-        this.forkCount = payload['forks_count'],
+        this.starCount = payload.starCount,
+        this.forkCount = payload.forksCount,
         this.primaryLanguageName = null,
         this.primaryLanguageColor = null,
-        this.screenBuilder = ((_) =>
-            RepositoryScreen(payload['owner']['login'], payload['name'])),
+        this.screenBuilder =
+            ((_) => RepositoryScreen(payload.owner.username, payload.name)),
         this.topics = [];
 
   static IconData _buildIconData(payload) {