private void HandleImages(ModelDetailsViewModel model, Model m)
{
IList<ModelImage> toAdd = new List<ModelImage>();
foreach (ModelImageViewModel image in model.Images) {
if (image.Id != 0) {
ModelImage o = m.Images.Find(x => x.Id == image.Id);
o.Order = image.Order;
o.HighResolutionUrl = image.HighResolutionUrl;
o.LowResolutionUrl = image.LowResolutionUrl;
o.ShortDescription = image.ShortDescription;
o.LongDescription = image.ShortDescription;
o.ModelId = image.ModelId;
}
else {
image.ModelId = model.Id;
toAdd.Add(ModelImageViewModel.ToModel(image));
}
}
if (toAdd.Count != 0) {
foreach (ModelImage mi in toAdd) {
EntityStore.ModelImages.Add(mi);
}
}
IList<ModelImage> toDelete = (from modelImage in m.Images let mivw = model.Images.FirstOrDefault(x => x.Id == modelImage.Id) where mivw == null select modelImage).ToList();
if (toDelete.Count != 0) {
foreach (ModelImage mi in toDelete) {
EntityStore.ModelImages.Remove(mi);
}
}
}
public static Model ToModel(ModelDetailsViewModel viewModel)
{
return(new Model
{
Id = viewModel.Id,
MakeId = viewModel.MakeId.HasValue? viewModel.MakeId.Value:0,
Name = viewModel.Name,
Year = viewModel.Year,
BasePrice = viewModel.BasePrice,
EngineType = viewModel.EngineType,
ZeroToSixty = viewModel.ZeroToSixty,
BreakHorsepower = viewModel.BreakHorsepower,
TopSpeed = viewModel.TopSpeed,
Description = viewModel.Description
});
}
public void Post(ModelDetailsViewModel model)
{
if (model.Id == 0) {
AddNewModel(model);
}
else {
UpdateExistingModel(model);
}
try {
EntityStore.SaveChanges();
}
catch (DbEntityValidationException ex ) {
StringBuilder sb = new StringBuilder();
foreach (DbEntityValidationResult validationErrors in ex.EntityValidationErrors) {
foreach (DbValidationError validationError in validationErrors.ValidationErrors) {
sb.Append(string.Format("{0} - {1}", validationError.PropertyName, validationError.ErrorMessage));
}
}
throw new Exception(sb.ToString());
}
}
private void AddNewModel(ModelDetailsViewModel model)
{
Model m = ModelDetailsViewModel.ToModel(model);
EntityStore.Models.Add(m);
}
private void UpdateExistingModel(ModelDetailsViewModel model)
{
Model m = EntityStore.Models.Include("Images").First(x => x.Id == model.Id);
m.Name = model.Name;
m.TopSpeed = model.TopSpeed;
m.Year = model.Year;
m.ZeroToSixty = model.ZeroToSixty;
m.BasePrice = model.BasePrice;
m.Description = model.Description;
m.EngineType = model.EngineType;
m.Description = model.Description;
HandleImages(model, m);
}
public static Model ToModel(ModelDetailsViewModel viewModel)
{
return new Model
{
Id = viewModel.Id,
MakeId = viewModel.MakeId.HasValue? viewModel.MakeId.Value:0,
Name = viewModel.Name,
Year = viewModel.Year,
BasePrice = viewModel.BasePrice,
EngineType = viewModel.EngineType,
ZeroToSixty = viewModel.ZeroToSixty,
BreakHorsepower = viewModel.BreakHorsepower,
TopSpeed = viewModel.TopSpeed,
Description = viewModel.Description
};
}
