platform/lib/io.dart
2016-11-27 22:28:41 -05:00

110 lines
2.9 KiB
Dart

/// Command-line client library for the Angel framework.
library angel_client.cli;
import 'dart:async';
import 'dart:convert' show JSON;
import 'package:http/http.dart';
import 'package:json_god/json_god.dart' as god;
import 'angel_client.dart';
export 'angel_client.dart';
_buildQuery(Map params) {
if (params == null || params == {})
return "";
String result = "";
return result;
}
const Map _readHeaders = const {
"Accept": "application/json"
};
const Map _writeHeaders = const {
"Accept": "application/json",
"Content-Type": "application/json"
};
/// Queries an Angel server via REST.
class Rest extends Angel {
BaseClient client;
Rest(String path, BaseClient this.client) :super(path);
@override
RestService service(String path, {Type type}) {
String uri = path.replaceAll(new RegExp(r"(^\/)|(\/+$)"), "");
return new RestService._base("$basePath/$uri", client, type)
..app = this;
}
}
/// Queries an Angel service via REST.
class RestService extends Service {
String basePath;
BaseClient client;
Type outputType;
RestService._base(Pattern path, BaseClient this.client,
Type this.outputType) {
this.basePath = (path is RegExp) ? path.pattern : path;
}
_makeBody(data) {
if (outputType == null)
return JSON.encode(data);
else return god.serialize(data);
}
@override
Future<List> index([Map params]) async {
var response = await client.get(
"$basePath/${_buildQuery(params)}", headers: _readHeaders);
if (outputType == null)
return god.deserialize(response.body);
else {
return JSON.decode(response.body).map((x) =>
god.deserializeDatum(x, outputType: outputType)).toList();
}
}
@override
Future read(id, [Map params]) async {
var response = await client.get(
"$basePath/$id${_buildQuery(params)}", headers: _readHeaders);
return god.deserialize(response.body, outputType: outputType);
}
@override
Future create(data, [Map params]) async {
var response = await client.post(
"$basePath/${_buildQuery(params)}", body: _makeBody(data),
headers: _writeHeaders);
return god.deserialize(response.body, outputType: outputType);
}
@override
Future modify(id, data, [Map params]) async {
var response = await client.patch(
"$basePath/$id${_buildQuery(params)}", body: _makeBody(data),
headers: _writeHeaders);
return god.deserialize(response.body, outputType: outputType);
}
@override
Future update(id, data, [Map params]) async {
var response = await client.patch(
"$basePath/$id${_buildQuery(params)}", body: _makeBody(data),
headers: _writeHeaders);
return god.deserialize(response.body, outputType: outputType);
}
@override
Future remove(id, [Map params]) async {
var response = await client.delete(
"$basePath/$id${_buildQuery(params)}", headers: _readHeaders);
return god.deserialize(response.body, outputType: outputType);
}
}