/// <summary>
/// Processes the command
/// </summary>
/// <returns></returns>
public bool Run()
{
if (IsValid)
{
int? ownerId = (int?)GetOptionValue("ownerId");
Guid?instanceId = (Guid?)GetOptionValue("instanceId");
Guid?dataId = (Guid?)GetOptionValue("dataId");
if ((ownerId.HasValue) && (instanceId != null) && (dataId != null))
{
Stream stream = _clientWrapper.GetData((int)ownerId, (Guid)instanceId, (Guid)dataId);
if (stream != null)
{
string fileFolder = $@"{ownerId}\{instanceId}";
CliFileWrapper.SaveToFile(fileFolder, ((Guid)dataId).ToString(), stream);
}
}
else
{
GetDocumentFromInstances();
}
}
else
{
ErrorMessage = "Error in command parameter(s)\n";
_logger.LogInformation(ErrorMessage);
}
return(true);
}
/// <summary>
/// Fetch document from storage and save it to file. If the Next link is defined continue to read rest of instances and data
/// </summary>
/// <param name="instances">The instances for which the data shall be fetched</param>
/// <param name="nextLink">The fetch of data elements is paged, the next link shall be used to fetch next page of instances</param>
/// <param name="updateInstances"></param>
private void FetchAndSaveData(Instance[] instances, Uri nextLink, string updateInstances)
{
foreach (Instance instance in instances)
{
int numberOfFiles = 0;
foreach (DataElement data in instance.Data)
{
string url = data.SelfLinks.Platform;
Stream responseData = _clientWrapper.GetData(url, data.ContentType);
if (responseData != null)
{
string instanceGuidId = instance.Id.Split('/')[1];
string fileName = $"{data.DataType.ToString()}_{((string.IsNullOrEmpty(data.Filename)) ? data.Id : data.Filename)}";
string fileFolder = $@"{instance.InstanceOwner.PartyId}\{instanceGuidId}";
if (CliFileWrapper.SaveToFile(fileFolder, fileName, responseData))
{
_logger.LogInformation($"File:{fileName} saved at {fileFolder}");
}
numberOfFiles++;
}
}
if (numberOfFiles == 0)
{
_logger.LogInformation($"No files received for instance:{instance.Id}");
}
}
if (nextLink != null)
{
InstanceResponseMessage responsMessage = _clientWrapper.GetInstanceMetaData(nextLink);
_logger.LogInformation($"Fetched {responsMessage.Instances.Length} instances. Count={responsMessage.Count}");
FetchAndSaveData(responsMessage.Instances, responsMessage.Next, updateInstances);
}
}