void ITaskRepository.DeleteTask(Task task, Action<TaskResult> callback)
{
string uri = _BaseAddress + "tasks/" + task.Key;
var request = WebRequest.CreateHttp(uri);
request.Method = "DELETE";
request.ContentType = "application/json";
request.BeginGetResponse(result =>
{
var response = (HttpWebResponse)request.EndGetResponse(result);
if (response.StatusCode != HttpStatusCode.OK)
{
var error = new WebException(response.StatusDescription);
callback(new TaskResult(new Task[0], error: error));
}
else
{
callback(new TaskResult(new Task[] { task.Clone() }));
}
}, null);
}
void ITaskRepository.CreateTask(Task task, Action<TaskResult> callback)
{
string query = _BaseAddress + "tasks";
string parameters = string.Format(
"{0}={1}",
TaskMeta.Name,
HttpUtility.UrlEncode(task.Name));
var client = new WebClient();
client.UploadStringCompleted += (sender, e) =>
{
if (null != e.Error)
{
callback(new TaskResult(new Task[0], e.Cancelled, e.Error));
}
else
{
var result = new Task(JsonObject.Parse(e.Result));
callback(new TaskResult(new Task[] { result }));
}
};
client.UploadStringAsync(new Uri(query), parameters);
}
public TaskViewModel(Task model)
{
this.model = model;
}
/// <summary>
/// <see cref="TaskResult"/> クラスの新しいインスタンスを初期化します。
/// </summary>
/// <param name="tasks">タスク。</param>
/// <param name="cancelled">キャンセルされたかどうか。</param>
/// <param name="error">発生したエラー。</param>
public TaskResult(Task[] tasks, bool cancelled = false, Exception error = null)
{
this.Tasks = tasks;
this.Cancelled = cancelled;
this.Error = error;
}
void ITaskRepository.UpdateTask(Task task, Action<TaskResult> callback)
{
string uri = _BaseAddress + "tasks/" + task.Key;
byte[] bytes = Encoding.UTF8.GetBytes(task.ToJsonString());
var request = WebRequest.CreateHttp(uri);
request.Method = "PUT";
request.ContentType = "application/json";
request.ContentLength = bytes.Length;
request.BeginGetRequestStream(result =>
{
using (var stream = request.EndGetRequestStream(result))
{
stream.Write(bytes, 0, bytes.Length);
}
request.BeginGetResponse(result2 =>
{
var response = (HttpWebResponse)request.EndGetResponse(result2);
if (response.StatusCode != HttpStatusCode.OK)
{
var error = new WebException(response.StatusDescription);
callback(new TaskResult(new Task[0], error: error));
}
else
{
callback(new TaskResult(new Task[] { task.Clone() }));
}
}, null);
}, null);
}