/// <summary>
/// Maps LoanId, ReceiptRowId, LoanRowId, Involvement, Name
/// </summary>
/// <param name="dto"></param>
/// <returns></returns>
/// <exception cref="NullReferenceException"></exception>
public static RowParticipantDTO FromBLL(BLLRowParticipantDTO dto)
{
if (dto == null)
{
throw new NullReferenceException("Can't map, BLLRowParticipantDTO is null");
}
return(new RowParticipantDTO()
{
Name = dto.Name,
LoanId = dto.LoanId,
ReceiptRowId = dto.ReceiptRowId,
Involvement = dto.Involvement,
AppUserId = dto.AppUserId,
LoanRowId = dto.LoanRowId
});
}
public async Task <BLLReceiptRowDTO> AddRowParticipantAsync(BLLRowParticipantDTO newParticipant, int currentUserId)
{
//Involvement is between 0 and 1
if (newParticipant.Involvement == null ||
newParticipant.Involvement > 1 ||
newParticipant.Involvement <= 0)
{
return(null);
}
if (newParticipant.AppUserId == null)
{
return(null);
}
//Participant user exists
if (!await Uow.AppUsers.Exists(newParticipant.AppUserId.Value))
{
return(null);
}
var receiptRow = await Uow.ReceiptRows.FindRowAndRelatedDataAsync(newParticipant.ReceiptRowId);
if (receiptRow?.ReceiptId == null)
{
return(null);
}
var receipt = await Uow.Receipts.FindReceiptAsync(receiptRow.ReceiptId.Value);
if (receipt?.ReceiptParticipants == null)
{
return(null);
}
if (receipt.ReceiptManagerId != currentUserId || receipt.IsFinalized)
{
return(null);
}
if (receiptRow.Participants != null && receiptRow.Participants.Any())
{
//Participant can't already be a participant in this row
if (receiptRow.Participants.Any(dto => dto.AppUserId == newParticipant.AppUserId))
{
return(null);
}
var currentInvolvementSum = receiptRow.Participants.Select(dto => dto.Involvement).Sum();
//Total involvement can't be greater than 1
if (currentInvolvementSum == null || currentInvolvementSum + newParticipant.Involvement > 1)
{
return(null);
}
}
var receiptParticipant = await Uow.ReceiptParticipants.FindOrAddAsync(receipt.ReceiptId, newParticipant.AppUserId.Value);
var loanId = await Uow.Loans.FindOrAddAsync(receiptParticipant, receipt.ReceiptManagerId);
await Uow.LoanRows.AddAsync(loanId, receiptRow.ReceiptRowId.Value, newParticipant.Involvement.Value);
await Uow.SaveChangesAsync();
receiptRow = await Uow.ReceiptRows.FindRowAndRelatedDataAsync(newParticipant.ReceiptRowId);
return(ReceiptRowMapper.FromDAL(receiptRow));
}
