private async Task <ODAsyncTask> AsyncTaskResultForRequest(Http.IHttpRequest request, Uri requestUri)
{
var response = await GetHttpResponseAsync(request);
if (response.StatusCode == HttpStatusCode.Accepted)
{
var sourceUrl = new Uri(response.Headers[ApiConstants.LocationHeaderName]);
var jobStatus = new ODAsyncTask {
StatusUri = sourceUrl, RequestUri = requestUri
};
await RefreshAsyncTaskStatus(jobStatus);
return(jobStatus);
}
else
{
var exception = await response.ToException();
throw exception;
}
}
internal async Task RefreshAsyncTaskStatus(ODAsyncTask task)
{
if (null == task)
{
throw new ArgumentNullException("task");
}
if (null == task.StatusUri)
{
throw new ArgumentException("task cannot have a null source URL");
}
var request = await CreateHttpRequestAsync(task.StatusUri, ApiConstants.HttpGet);
var response = await GetHttpResponseAsync(request);
if (response.ContentType != null)
{
var newStatus = await response.ConvertToDataModel <ODAsyncTaskStatus>();
task.Status = newStatus;
}
else if (response.StatusCode == HttpStatusCode.SeeOther)
{
if (task.Status != null)
{
task.Status.PercentComplete = 100;
task.Status.Status = AsyncJobStatus.Complete;
}
// Create a request to get the new item
Uri newUrl = new Uri(response.Headers[ApiConstants.LocationHeaderName]);
var itemRequest = await CreateHttpRequestAsync(newUrl, ApiConstants.HttpGet);
task.FinishedItem = await DataModelForRequest <ODItem>(itemRequest);
}
}
void UpdateListViewItem(ListViewItem item, ODAsyncTask task, bool forceUpdate = false)
{
if (!forceUpdate && !this.IsHandleCreated)
return;
var updateAction = new Action<ListViewItem, ODAsyncTask>((lvitem, lvtask) =>
{
lvitem.SubItems.Clear();
lvitem.Text = lvtask.Status.Operation.ToString();
lvitem.SubItems.Add(lvtask.Status.PercentComplete.ToString());
lvitem.SubItems.Add(lvtask.Status.Status.ToString());
lvitem.SubItems.Add(lvtask.RequestUri.ToString());
lvitem.Tag = lvtask;
});
if (this.InvokeRequired)
{
Invoke(new MethodInvoker(() => updateAction(item, task)));
}
else
{
updateAction(item, task);
}
}
public static async Task Refresh(this ODAsyncTask pendingTask, ODConnection connection)
{
await connection.RefreshAsyncTaskStatus(pendingTask);
}
ListViewItem ListViewItemForTask(ODAsyncTask task)
{
var item = new ListViewItem();
UpdateListViewItem(item, task, true);
return item;
}
