/// <summary>
/// Determines the folder to file a document.
/// </summary>
/// <returns>The parent folder to file a given document.</returns>
/// <param name="incomingUpload">Incoming upload.</param>
private async Task <string> GetDestinationFolderID(IncomingUpload incomingUpload)
{
try
{
// If name is empty file in "No Name" folder.
string targetFolderName =
string.IsNullOrWhiteSpace(incomingUpload?.Name) ?
"No Name" :
CleanName(incomingUpload.Name);
var searchRequest = DriveAuth.Service.Files.List();
/*
* Find files of type "folder" where the name
* equals the uploaded name and is within the dropbox folder.
*/
searchRequest.Q = $"'{DROPBOXFOLDER}' in parents and" +
" mimeType = 'application/vnd.google-apps.folder' and " +
$"name = '{targetFolderName}'";
// Execute query
var searchResult = await searchRequest.ExecuteAsync();
if (searchResult?.Files?.Count != 0)
{
// Return existing folder if one exists.
return(searchResult.Files.FirstOrDefault().Id);
}
else
{
// Create a new folder for this name if one doesn't exist.
return(await CreateFolder(targetFolderName));
}
}
catch (Exception)
{
Console.WriteLine("Error occurred while getting parent folder.");
// On error return the root dropbox folder.
return(DROPBOXFOLDER);
}
}
public async Task <Status> UploadMedia([FromForm] IncomingUpload incomingUpload)
{
try
{
string destinationFolderID = await GetDestinationFolderID(incomingUpload);
var uploadTasks = new List <Task <IUploadProgress> >();
foreach (var incomingFile in incomingUpload.Media)
{
// Execute upload
uploadTasks.Add(UploadFile(incomingFile, destinationFolderID));
}
if (!string.IsNullOrWhiteSpace(incomingUpload.Message))
{
// Upload message file
uploadTasks.Add(UploadFile(
$"{DateTime.Now}.txt",
"text/plain",
incomingUpload.Message.ToStream(),
destinationFolderID));
}
// Wait for all uploads to complete
await Task.WhenAll(uploadTasks);
return(new Status {
Success = uploadTasks.All(task => task.IsCompletedSuccessfully)
});
}
catch (Exception ex)
{
return(new Status
{
Success = false,
Message = ex.Message
});
}
}
