71aa3464b9
git-subtree-dir: packages/validate git-subtree-mainline:5eef4314ecgit-subtree-split:db616d128a
96 lines
2.6 KiB
Dart
96 lines
2.6 KiB
Dart
import 'package:angel_framework/angel_framework.dart';
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import 'package:angel_framework/http.dart';
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import 'package:angel_validate/angel_validate.dart';
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import 'package:http_parser/http_parser.dart';
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import 'package:logging/logging.dart';
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import 'package:pretty_logging/pretty_logging.dart';
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main() async {
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Logger.root
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..level = Level.ALL
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..onRecord.listen(prettyLog);
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var app = Angel(logger: Logger('angel_validate'));
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var http = AngelHttp(app);
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var todos = <Todo>[];
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/// We can combine fields into a form; this is most
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/// useful when we immediately deserialize the form into
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/// something else.
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var todoForm = Form(fields: [
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TextField('text'),
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BoolField('is_complete'),
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]);
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/// We can directly use a `Form` to deserialize a
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/// request body into a `Map<String, dynamic>`.
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///
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/// By calling `deserialize` or `decode`, we can populate
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/// concrete Dart objects.
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app.post('/', (req, res) async {
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var todo = await todoForm.deserialize(req, Todo.fromMap);
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todos.add(todo);
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await res.redirect('/');
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});
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/// You can also use `Field`s to read directly from the
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/// request, without `as` casts.
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///
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/// In this handler, we read the value of `name` from the query.
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app.get('/hello', (req, res) async {
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var nameField = TextField('name');
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var name = await nameField.getValue(req, query: true);
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return 'Hello, $name!';
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});
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/// Simple page displaying a form and some state.
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app.get('/', (req, res) {
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res
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..contentType = MediaType('text', 'html')
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..write('''
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<!doctype html>
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<html>
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<body>
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<h1>angel_validate</h1>
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<ul>
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${todos.map((t) {
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return '<li>${t.text} (isComplete=${t.isComplete})</li>';
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}).join()}
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</ul>
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<form method="POST">
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<label for="text">Text:</label>
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<input id="text" name="text">
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<br>
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<label for="is_complete">Complete?</label>
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<input id="is_complete" name="is_complete" type="checkbox">
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<br>
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<button type="submit">Add Todo</button>
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</form>
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</body>
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</html>
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''');
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});
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app.fallback((req, res) => throw AngelHttpException.notFound());
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app.errorHandler = (e, req, res) {
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res.writeln('Error ${e.statusCode}: ${e.message}');
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for (var error in e.errors) {
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res.writeln('* $error');
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}
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};
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await http.startServer('127.0.0.1', 3000);
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print('Listening at ${http.uri}');
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}
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class Todo {
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final String text;
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final bool isComplete;
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Todo(this.text, this.isComplete);
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static Todo fromMap(Map map) {
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return Todo(map['text'] as String, map['is_complete'] as bool);
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}
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}
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