private static IRFFormatLoader GetLoader(RFReportParserFormat format, RFReportParserConfig config)
{
switch (format)
{
case RFReportParserFormat.CSV:
return(new RIFF.Interfaces.Formats.CSV.CSVLoader(config.Encoding, config.DateFormat, config.SkipRows, config.Separator));
case RFReportParserFormat.ExcelXLS:
return(new RIFF.Interfaces.Formats.XLS.XLSLoader(config.Password));
case RFReportParserFormat.ExcelXLSX:
return(new RIFF.Interfaces.Formats.XLSX.XLSXLoader(config.Password));
default:
throw new RFSystemException(typeof(RFReportParserProcessor), "Unsupported file format for report parser: {0}", format.ToString());
}
}
public static RFRawReport LoadFromStream(MemoryStream stream, RFFileTrackedAttributes attributes, RFDate?valueDate, RFReportParserConfig config, IRFReportBuilder builder)
{
RFReportParserFormat actualFormat = config.Format;
if (config.Format == RFReportParserFormat.AutoDetect && config.CustomLoader == null)
{
var extension = Path.GetExtension(attributes.FileName).ToLower();
if (!sExtensionFormats.TryGetValue(extension, out actualFormat))
{
throw new RFSystemException(typeof(RFReportParserProcessor), "Unable to auto-detect file format of file {0}", attributes.FileName);
}
}
var loader = config.CustomLoader ?? GetLoader(actualFormat, config);
var tables = loader.Load(stream);
if (tables == null || tables.Count == 0)
{
RFStatic.Log.Warning(typeof(RFReportParserProcessor), "No data loaded from file {0}", attributes.FileName);
return(null);
}
var rawReport = new RFRawReportBuilder().BuildReport(tables, builder, config);
if (rawReport == null)
{
RFStatic.Log.Warning(typeof(RFReportParserProcessor), "No data extracted from file {0}", attributes.FileName);
return(null);
}
if (valueDate.HasValue) // override
{
rawReport.ValueDate = valueDate.Value;
}
else
{
rawReport.ValueDate = builder.ExtractValueDate(attributes, rawReport);
}
if (rawReport.ValueDate == RFDate.NullDate)
{
throw new RFLogicException(typeof(RFReportParserProcessor), "Unable to derive value date for file {0}.", attributes.FileName);
}
rawReport.ReportCode = config.ReportCode;
rawReport.UpdateTime = attributes.ModifiedDate;
rawReport.PostDeserialize();
if (config.ValidatorFunc != null)
{
var errorMessage = config.ValidatorFunc(rawReport);
if (!string.IsNullOrWhiteSpace(errorMessage))
{
if (errorMessage == sIgnoreReport)
{
return(null);
}
throw new RFLogicException(typeof(RFReportParserProcessor), "Report validation failed - incorrect file? ({0})", errorMessage);
}
}
if (config.RequiredColumns != null && config.RequiredColumns.Any())
{
var cols = new SortedSet <string>(rawReport.GetFirstSection().Columns);
var missingColumns = config.RequiredColumns.Where(rc => !cols.Contains(rc));
if (missingColumns.Any())
{
throw new RFLogicException(typeof(RFReportParserProcessor), "Missing {0} mandatory columns - incorrect file? ({1})", missingColumns.Count(), string.Join(",", missingColumns));
}
}
return(rawReport);
}
