public CoupaImporterJobDefinitionDTO ProcessInvoiceImportJob(Guid jobDefinitionId)
{
var jobDefinition = _coupaImporterRepository.Get(jobDefinitionId);
var allInvoices = new List <InvoiceDTO>();
var invoiceHeaders = new List <InvoiceHeader>();
if (jobDefinition == null)
{
return(null);
}
_unitOfWork.AutoDetectChanges(false);
// Here we use 1000 records batch so that we can reduce the number of loops.
var noOfRotation = jobDefinition.CoupaImporterJobDefinitionDetails.Count() / 1000;
noOfRotation += jobDefinition.CoupaImporterJobDefinitionDetails.Count() % 1000 > 0 ? 1 : 0;
for (var i = 0; i < noOfRotation; i++)
{
var strCoupaImporterJobDefinitionDetails = "[ ";
strCoupaImporterJobDefinitionDetails += string.Join(", ", jobDefinition.CoupaImporterJobDefinitionDetails
.Skip(i * 1000).Take(1000).Select(x => x.RawContent));
strCoupaImporterJobDefinitionDetails += " ]";
// Convert the RawContent to Invoice Header
invoiceHeaders.AddRange(JsonConvert.DeserializeObject <List <InvoiceHeader> >(strCoupaImporterJobDefinitionDetails));
// Convert the RawContent to InvoiceDTO
allInvoices.AddRange(JsonConvert.DeserializeObject <List <InvoiceDTO> >(strCoupaImporterJobDefinitionDetails));
}
// In every InvoiceHeader Entity ProjectId is added
invoiceHeaders.ForEach(i => { i.ProjectId = jobDefinition.ProjectId; i.Id = Guid.NewGuid(); });
// Grouping InvoiceHeaders in terms of Unique combination of Supplier & InvoiceNumber
invoiceHeaders = invoiceHeaders.GroupBy(i => new { i.InvoiceNumber, i.Supplier }).Select(x => x.First()).ToList();
foreach (var objInvoiceHeader in invoiceHeaders)
{
// Allocate all line items for a invoice header + InvoiceHeaderId added in every associated Line Items.
objInvoiceHeader.InvoiceLineItems = allInvoices.Where(x => x.Supplier == objInvoiceHeader.Supplier && x.InvoiceNumber == objInvoiceHeader.InvoiceNumber)
.Select(x => InvoiceLineItem.MapFromDomainEntity(InvoiceDTO.MapToInvoiceLineItemDTO(x))).ToList();
objInvoiceHeader.InvoiceLineItems.ToList().ForEach(x => x.InvoiceHeaderId = objInvoiceHeader.Id);
_projectInvoiceRepository.Add(objInvoiceHeader);
}
// At last update all job definition details records
jobDefinition.CoupaImporterJobDefinitionDetails.ToList().ForEach(c => { c.IsProcessed = true; c.IsSuccessful = true; });
_coupaImporterRepository.UpdateAllJobDefinitionDetail(jobDefinitionId, jobDefinition.CoupaImporterJobDefinitionDetails);
jobDefinition.Status = (int)CoupaImporterStatus.Processed;
_coupaImporterRepository.Update(jobDefinitionId, jobDefinition);
_unitOfWork.SaveChanges();
_unitOfWork.AutoDetectChanges(true);
return(CoupaImporterJobDefinitionDTO.MapFromDatabaseEntity(jobDefinition));
}
