flutter_data 0.5.18 flutter_data: ^0.5.18 copied to clipboard
The seamless way to work with persistent data models in Flutter. Inspired by Ember Data and ActiveRecord.
import 'dart:io';
import 'package:flutter_data/flutter_data.dart';
import 'package:riverpod/riverpod.dart';
// import 'package:get_it/get_it.dart';
import 'main.data.dart';
import 'models/comment.dart';
import 'models/post.dart';
import 'models/user.dart';
// NOTE: FOR AN UPDATED AND COMPLETE FLUTTER EXAMPLE FOLLOW
// https://github.com/flutterdata/flutter_data_todos
void main() async {
Directory _dir;
final container = ProviderContainer(
overrides: [
configureRepositoryLocalStorage(
baseDirFn: () => _dir.path,
encryptionKey: _encryptionKey,
),
],
);
try {
_dir = await Directory('tmp').create();
_dir.deleteSync(recursive: true);
// GetIt.instance.registerRepositories(
// baseDirFn: () => _dir.path, encryptionKey: _encryptionKey);
// await GetIt.instance.allReady();
// final usersRepo = GetIt.instance.get<Repository<User>>();
// final postsRepo = GetIt.instance.get<Repository<Post>>();
// final commentsRepo = GetIt.instance.get<Repository<Comment>>();
// container.read(userLocalAdapterProvider);
await container.read(repositoryInitializerProvider().future);
final usersRepo = container.read(userRepositoryProvider);
final postsRepo = container.read(postRepositoryProvider);
final commentsRepo = container.read(commentRepositoryProvider);
try {
await usersRepo.findOne('2314444');
} on DataException catch (e) {
if (e.statusCode == HttpStatus.notFound) {
print('not found');
}
}
final user2 = User(id: 1, name: 'new name', email: 'new@fasd.io')
// .init();
.init(container);
await user2.save();
var p3 = Post(
id: 102,
title: 'new name',
body: '3@fasd.io',
user: user2.asBelongsTo,
comments: {Comment(id: 1, body: 'bla')}.asHasMany)
// .init();
.init(container);
assert(p3.body == '3@fasd.io');
assert(p3.user.value.email == user2.email);
final post = await postsRepo.findOne(1, params: {'_embed': 'comments'});
final comments = await commentsRepo.findAll(params: {'postId': 1});
assert(comments
.map((c) => c.id)
.toSet()
.difference(post.comments.map((c) => c.id).toSet())
.isEmpty);
assert(user2.name == p3.user.value.name);
assert(comments.first.post.value == post);
print(comments.map((c) => c.body).toList());
} finally {
if (_dir.existsSync()) {
_dir.deleteSync(recursive: true);
}
}
}
const List<int> _encryptionKey = [
146,
54,
40,
58,
46,
90,
152,
02,
193,
210,
220,
199,
16,
96,
107,
4,
243,
133,
171,
31,
241,
26,
149,
53,
172,
36,
121,
103,
17,
155,
120,
61
];