public async Task ChangeOwnership(ChangeOwnershipViewModel changeOwnershipViewModel)
{
Portfolio ownersPortfolio = await _unitOfWork.PortfolioRepository.GetAsync(changeOwnershipViewModel.OwnerPortfolioId);
Portfolio receiverPortfolio = await _unitOfWork.PortfolioRepository.GetAsync(changeOwnershipViewModel.ReceiverPortfolioId);
Share ownersShare =
await _unitOfWork.SharesRepository.GetShareByPortfolioAsync(ownersPortfolio.PortfolioId,
changeOwnershipViewModel.ShareId);
if (ownersPortfolio == null || receiverPortfolio == null || ownersShare == null)
{
throw new ArgumentException("Id's doesn't match");
}
// Handling owners shares
if (changeOwnershipViewModel.Count < ownersShare.Count)
{
ownersShare.Count -= changeOwnershipViewModel.Count;
_unitOfWork.SharesRepository.Update(ownersShare);
}
else if (changeOwnershipViewModel.Count == ownersShare.Count)
{
await _unitOfWork.SharesRepository.DeleteShareByPortfolioAsync(ownersPortfolio.PortfolioId,
ownersShare.ShareId);
}
else
{
throw new Exception("Owner doesn't have enough shares");
}
// Handling receivers shares
Share receiversShare =
receiverPortfolio.Shares.SingleOrDefault(share => share.ShareId == changeOwnershipViewModel.ShareId);
if (receiversShare == null)
{
receiversShare = new Share
{
Portfolio = receiverPortfolio,
ShareId = ownersShare.ShareId,
Count = changeOwnershipViewModel.Count
};
receiverPortfolio.Shares.Add(receiversShare);
_unitOfWork.SharesRepository.Add(receiversShare);
_unitOfWork.PortfolioRepository.Update(receiverPortfolio);
}
else
{
receiversShare.Count += changeOwnershipViewModel.Count;
_unitOfWork.SharesRepository.Update(receiversShare);
}
// Commiting
await _unitOfWork.CommitAsync();
}
public async Task <IActionResult> ChangeOwnership([FromBody] ChangeOwnershipViewModel ownershipViewModel)
{
if (!ModelState.IsValid)
{
return(BadRequest());
}
try
{
await _sharesService.ChangeOwnership(ownershipViewModel);
return(Ok(new { Status = "success" }));
}
catch (Exception e)
{
return(BadRequest("Unable to transfer shares, try again with different values"));
}
}
