internal WriteBackResponse(IWriteBackDataSet DataSet, string Filename, DateTime Age, bool IsSuccess, string Message, IEnumerable<IWriteBackResponseRecord> Records)
{
this.DataSet = DataSet;
this.Filename = Filename;
this.Age = Age;
this.IsSuccess = IsSuccess;
this.Message = Message;
this.Records = Records;
}
public static WriteBackResponse Create(WriteBackContext Context, IWriteBackDataSet DataSet)
{
// no response if the directory doesn't exit
if (!Directory.Exists(Context.WriteBackResponsesDirectory))
return null;
var prefixPattern = $"{Context.EduHubContext.EduHubSiteIdentifier}_{DataSet.Name}.*";
var latestResponse = Directory.GetFiles(Context.WriteBackResponsesDirectory, prefixPattern)
.Where(p =>
p.EndsWith(".RESPONSE-SUCCESS", StringComparison.OrdinalIgnoreCase) ||
p.EndsWith(".RESPONSE-ERROR", StringComparison.OrdinalIgnoreCase))
.Select(p => new
{
path = p,
age = File.GetCreationTime(p),
})
.OrderByDescending(p => p.age)
.FirstOrDefault();
// no response
if (latestResponse == null)
return null;
var isSuccess = latestResponse.path.EndsWith(".RESPONSE-SUCCESS", StringComparison.OrdinalIgnoreCase);
var records = WriteBackResponseRecord.Load(latestResponse.path);
string message;
if (!isSuccess)
message = "Write-Back Failed. See Records for details.";
else if (records.Count > 0)
message = records[0].ErrorText;
else
message = "Success";
return new WriteBackResponse(DataSet, latestResponse.path, latestResponse.age, isSuccess, message, records);
}
