public static async Task <bool> TryDownloadFileAsync()
{
string fileContents = "TryDownloadFileAsync";
// Create a file
var createdFile = await FilesSnippets.CreateFileAsync(STORY_DATA_IDENTIFIER + "_" + Guid.NewGuid().ToString(), new MemoryStream(Encoding.UTF8.GetBytes(fileContents)));
if (createdFile == null)
{
return(false);
}
// Download the file
using (var stream = await FilesSnippets.DownloadFileAsync(createdFile))
{
if (stream == null)
{
return(false);
}
StreamReader reader = new StreamReader(stream);
var downloadedString = await reader.ReadToEndAsync();
if (downloadedString != fileContents)
{
return(false);
}
}
return(true);
}
public static async Task <bool> TryUpdateFileContentAsync()
{
// Add a file & verify
// Grab a list of files
var items = await FilesSnippets.GetFolderChildrenAsync("root");
if (items == null)
{
return(false);
}
var origCount = items.Count;
// Create a file
var createdFileId = await FilesSnippets.CreateFileAsync(STORY_DATA_IDENTIFIER + "_" + Guid.NewGuid().ToString(), new MemoryStream(Encoding.UTF8.GetBytes("TryUpdateFileAsync")));
if (createdFileId == null)
{
return(false);
}
// Grab the files again
items = await FilesSnippets.GetFolderChildrenAsync("root");
if (items == null)
{
return(false);
}
// Number of files should have increased by 1
if (items.Count != origCount + 1)
{
return(false);
}
// Update the content
string updatedContent = "Updated content";
var updated = await FilesSnippets.UpdateFileContentAsync(createdFileId, new MemoryStream(Encoding.UTF8.GetBytes(updatedContent)));
// Download the file and compare with the updated content.
using (var stream = await FilesSnippets.DownloadFileAsync(createdFileId))
{
if (stream == null)
{
return(false);
}
StreamReader reader = new StreamReader(stream);
var downloadedString = await reader.ReadToEndAsync();
if (downloadedString != updatedContent)
{
return(false);
}
}
//Cleanup
await FilesSnippets.DeleteFileAsync(createdFileId);
return(updated);
}