public bool UpdateWine(UpdateWineRequest request)
{
// Check wine already exists
var existingWine = _dataContext.Winelists.Find(request.Id);
if (existingWine == null)
{
return(false);
}
// Clear any existing locations
_dataContext.Entry(existingWine).Collection(w => w.Locations).Load();
if (existingWine.Locations?.Any() ?? false)
{
_dataContext.Locations.RemoveRange(existingWine.Locations);
}
try
{
// Populate data in WineList model, and persist
var wineList = MapRequestToWineListModel(request, existingWine);
_dataContext.Winelists.Update(wineList);
var persisted = _dataContext.SaveChanges();
return(persisted >= 1);
}
catch (DbUpdateConcurrencyException)
{
return(false);
}
catch (DbUpdateException)
{
return(false);
}
}
public IEnumerable <string> ValidateWineModel(UpdateWineRequest request)
{
var wine = _dataContext.Winelists.Find(request.Id);
return(wine != null
? ValidateWineModel(request as CreateWineRequest)
: new[] { "Wine id: " + request.Id + " could not be found." });
}
public bool UpdateWine(UpdateWineRequest request, out IEnumerable <string> errors)
{
errors = _validateWineRepository.ValidateWineModel(request);
if (errors.Any())
{
return(false);
}
return(_createUpdateWineRepository.UpdateWine(request));
}