/// <summary>
/// Downloads the metadata of a File, without actually downloading the file.
/// </summary>
/// <param name="fileId">The _id of the file's metadata to download. </param>
/// <param name="ct">[optional] The cancellation token. If cancellation is requested, an OperationCancelledException will be thrown.</param>
public async Task <FileMetaData> downloadMetadataAsync(string fileId, CancellationToken ct = default(CancellationToken))
{
DownloadMetaDataRequest downloadMetadataRequest = buildDownloadMetaDataRequest(fileId);
ct.ThrowIfCancellationRequested();
FileMetaData fmd = await downloadMetadataRequest.ExecuteAsync();
return(fmd);
}
// Build download request for the metadata of a specific file
private DownloadMetaDataRequest buildDownloadMetaDataRequest(String fileId)
{
if (fileId == null)
{
throw new KinveyException(EnumErrorCategory.ERROR_FILE, EnumErrorCode.ERROR_FILE_MISSING_FILE_ID, "");
}
var urlParameters = new Dictionary <string, string>();
urlParameters.Add("appKey", ((KinveyClientRequestInitializer)client.RequestInitializer).AppKey);
urlParameters.Add("fileID", fileId);
DownloadMetaDataRequest downloadMetaDataRequest = new DownloadMetaDataRequest(urlParameters, this.client);
client.InitializeRequest(downloadMetaDataRequest);
downloadMetaDataRequest.customRequestHeaders = this.GetCustomRequestProperties();
return(downloadMetaDataRequest);
}
