public IncrementalLoadingCollection(ItemChildrenCollectionPage files)
{
if (files != null)
{
foreach (Item i in files)
{
Add(i);
}
}
lastFiles = files;
}
public IAsyncOperation <LoadMoreItemsResult> LoadMoreItemsAsync(uint count)
{
return(AsyncInfo.Run(async cancelToken =>
{
if (lastFiles == null)
{
return new LoadMoreItemsResult {
Count = 0
};
}
try
{
var nextPage = lastFiles.NextPageRequest;
if (nextPage != null)
{
System.Diagnostics.Debug.WriteLine("Listing additional files.");
ItemChildrenCollectionPage newFiles = (ItemChildrenCollectionPage)await nextPage.GetAsync();
foreach (Item i in newFiles)
{
Add(i);
System.Diagnostics.Debug.WriteLine("Adding file " + i.Name + " for more files.");
}
// NOTE: currently, there is no break - it just keeps fetching new items
System.Diagnostics.Debug.WriteLine("Got " + newFiles.Count() + " additional files");
lastFiles = newFiles;
return new LoadMoreItemsResult {
Count = Convert.ToUInt32(newFiles.Count())
};
}
else
{
return new LoadMoreItemsResult {
Count = 0
};
}
}
catch (Exception e)
{
Crashes.TrackError(e, new Dictionary <string, string>
{
{ "On", "List Additional Files" },
{ "Where", "MainPage.xaml:LoadMoreItemsAsync" },
{ "DueTo", e.Message }
});
return new LoadMoreItemsResult {
Count = 0
};
}
}));
}
public async Task GetAsync_InitializeCollectionProperties()
{
using (var httpResponseMessage = new HttpResponseMessage())
using (var responseStream = new MemoryStream())
using (var streamContent = new StreamContent(responseStream))
{
httpResponseMessage.Content = streamContent;
var requestUrl = "https://api.onedrive.com/v1.0/drive/items/id";
this.httpProvider.Setup(
provider => provider.SendAsync(
It.Is <HttpRequestMessage>(
request => request.RequestUri.ToString().Equals(requestUrl)),
HttpCompletionOption.ResponseContentRead,
CancellationToken.None))
.Returns(Task.FromResult <HttpResponseMessage>(httpResponseMessage));
var expectedChildrenPage = new ItemChildrenCollectionPage
{
new Item {
Id = "id"
}
};
var expectedItemResponse = new Item
{
AdditionalData = new Dictionary <string, object>
{
{ "*****@*****.**", requestUrl + "/next" }
},
Children = expectedChildrenPage,
};
this.serializer.Setup(
serializer => serializer.DeserializeObject <Item>(It.IsAny <string>()))
.Returns(expectedItemResponse);
var item = await this.oneDriveClient.Drive.Items["id"].Request().GetAsync();
Assert.IsNotNull(item, "Item not returned.");
Assert.IsNotNull(item.Children, "Item children not returned.");
Assert.AreEqual(1, item.Children.CurrentPage.Count, "Unexpected number of children in page.");
Assert.AreEqual("id", item.Children.CurrentPage[0].Id, "Unexpected child ID in page.");
Assert.AreEqual(expectedItemResponse.AdditionalData, item.Children.AdditionalData, "Additional data not initialized correctly.");
var nextPageRequest = item.Children.NextPageRequest as ItemChildrenCollectionRequest;
Assert.IsNotNull(nextPageRequest, "Children next page request not initialized correctly.");
Assert.AreEqual(new Uri(requestUrl + "/next"), new Uri(nextPageRequest.RequestUrl), "Unexpected request URL for next page request.");
}
}
public async Task GetAsync_InitializeCollectionProperties()
{
using (var httpResponseMessage = new HttpResponseMessage())
using (var responseStream = new MemoryStream())
using (var streamContent = new StreamContent(responseStream))
{
httpResponseMessage.Content = streamContent;
var requestUrl = "https://api.onedrive.com/v1.0/drive/items/id";
this.httpProvider.Setup(
provider => provider.SendAsync(
It.Is<HttpRequestMessage>(
request => request.RequestUri.ToString().Equals(requestUrl)),
HttpCompletionOption.ResponseContentRead,
CancellationToken.None))
.Returns(Task.FromResult<HttpResponseMessage>(httpResponseMessage));
var expectedChildrenPage = new ItemChildrenCollectionPage
{
new Item { Id = "id" }
};
var expectedItemResponse = new Item
{
AdditionalData = new Dictionary<string, object>
{
{ "*****@*****.**", requestUrl + "/next" }
},
Children = expectedChildrenPage,
};
this.serializer.Setup(
serializer => serializer.DeserializeObject<Item>(It.IsAny<string>()))
.Returns(expectedItemResponse);
var item = await this.oneDriveClient.Drive.Items["id"].Request().GetAsync();
Assert.IsNotNull(item, "Item not returned.");
Assert.IsNotNull(item.Children, "Item children not returned.");
Assert.AreEqual(1, item.Children.CurrentPage.Count, "Unexpected number of children in page.");
Assert.AreEqual("id", item.Children.CurrentPage[0].Id, "Unexpected child ID in page.");
Assert.AreEqual(expectedItemResponse.AdditionalData, item.Children.AdditionalData, "Additional data not initialized correctly.");
var nextPageRequest = item.Children.NextPageRequest as ItemChildrenCollectionRequest;
Assert.IsNotNull(nextPageRequest, "Children next page request not initialized correctly.");
Assert.AreEqual(new Uri(requestUrl + "/next"), new Uri(nextPageRequest.RequestUrl), "Unexpected request URL for next page request.");
}
}
private async Task ListFilesFolders(string path)
{
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
// update the title path
if (path == "/")
{
pathText.Text = "CloudStreamer";
}
else
{
pathText.Text = path;
}
fileScrollViewer.Visibility = Visibility.Collapsed;
progressRing.Visibility = Visibility.Visible;
progressRing.IsActive = true;
});
// handle login
try
{
await UpdateOrInitOneDriveAuthIfNecessary();
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(e, "error");
try
{
await ExitOrRetryWithMessage("Failed to authenticate with OneDrive. Error: " + e.ToString());
}
catch (Exception ex)
{
Crashes.TrackError(ex, new Dictionary <string, string>
{
{ "On", "Call Error Dialog" },
{ "Where", "MainPage.xaml:InitOneDrive" },
{ "DueTo", e.Message }
});
}
return;
}
if (oneDriveClient == null)
{
return;
}
try
{
IItemChildrenCollectionRequest request;
if (path == "/")
{
request = oneDriveClient.Drive.Root.Children.Request();
}
else
{
request = oneDriveClient.Drive.Root.ItemWithPath(path).Children.Request();
}
IItemChildrenCollectionRequest sortedRequest = request.OrderBy(currentSortBy + " " + currentSortByDir);
sortedRequest = sortedRequest.Expand("thumbnails");
files = (ItemChildrenCollectionPage)await sortedRequest.GetAsync();
}
catch (Exception e)
{
System.Diagnostics.Debug.WriteLine(e, "error");
try
{
await ExitOrRetryWithMessage("Failed to load Files from OneDrive. Error: " + e.ToString());
}
catch (Exception ex)
{
Crashes.TrackError(ex, new Dictionary <string, string>
{
{ "On", "Call Error Dialog" },
{ "Where", "MainPage.xaml:ListFilesFolders" },
{ "DueTo", e.Message }
});
}
}
await Dispatcher.RunAsync(CoreDispatcherPriority.Normal, () =>
{
fileItems = new IncrementalLoadingCollection(files);
fileScrollViewer.ItemsSource = fileItems;
loading = false;
progressRing.IsActive = false;
progressRing.Visibility = Visibility.Collapsed;
fileScrollViewer.Visibility = Visibility.Visible;
});
System.Diagnostics.Debug.WriteLine("Got " + fileItems.Count() + " files");
}
