public ViewResult AddUpdateSupplier(AddUpdateSupplierModel model)
{
string errorMessage;
Supplier supplierToUpdate = null;
try
{
if (model.IsValid(out errorMessage))
{
// If we're updating a supplier
if (model.SupplierID.HasValue)
{
using (ProductListContext productContext = new ProductListContext())
{
supplierToUpdate = productContext.Suppliers.FirstOrDefault(s => s.SupplierID == model.SupplierID);
}
}
}
}
catch (Exception e)
{
errorMessage = Errors.GenericMVCInternalError;
ErrorLog.LogError(e);
}
ViewResult viewResult;
if (errorMessage != null)
{
// Error, show the message
ProductListViewModel viewModel;
using (ProductListContext productContext = new ProductListContext())
{
viewModel = ProductListViewModel.GetModel(productContext, errorMessage: errorMessage);
}
viewResult = View("Index", viewModel);
}
else
{
// Load the Add/Update view
AddUpdateSupplierViewModel viewModel = null;
viewModel = AddUpdateSupplierViewModel.GetModel(supplierToUpdate);
viewResult = View(viewModel);
}
return(viewResult);
}
public ActionResult UpdateSupplier(UpdateSupplierModel model)
{
bool updatedSupplier;
string errorMessage;
Supplier formSupplierData = null;
try
{
if (model.IsValid(out errorMessage))
{
using (ProductListContext productContext = new ProductListContext())
{
// update the supplier
productContext.UpdateSupplier(model.SupplierID,
model.Name,
model.PhoneNumber);
productContext.SaveChanges();
}
updatedSupplier = true;
}
else
{
// save form data for when we return
formSupplierData = new Supplier
{
SupplierID = model.SupplierID,
Name = model.Name,
PhoneNumber = model.PhoneNumber
};
updatedSupplier = false;
}
}
catch (Exception e)
{
updatedSupplier = false;
errorMessage = Errors.GenericMVCInternalError;
ErrorLog.LogError(e);
}
ActionResult result;
if (updatedSupplier)
{
// Updated product, return to list
ProductListModel viewModel = new ProductListModel
{
AddedOrUpdatedProduct = true
};
result = RedirectToAction("Index", viewModel);
}
else
{
// Error, show message
AddUpdateSupplierViewModel viewModel = AddUpdateSupplierViewModel.GetModel(formSupplierData, errorMessage);
result = View("AddUpdateSupplier", viewModel);
}
return(result);
}