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());
}
}
public ModelDetailsViewModel Get(int id, int?makeId)
{
ModelDetailsViewModel viewModel = ModelDetailsViewModel.FromModel(EntityStore.Models.Include("Make").Include("Images").FirstOrDefault(x => x.Id == id));
viewModel.Makes = EntityStore.Makes.Select(x => new LookupItemViewModel {
Id = x.Id, Text = x.Name
}).OrderBy(x => x.Text).ToList();
if (id == 0)
{
viewModel.MakeId = !makeId.HasValue ? null : (makeId.Value == 0?(int?)null: makeId.Value);
}
return(viewModel);
}
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);
}
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);
}
}
}
private void AddNewModel(ModelDetailsViewModel model)
{
Model m = ModelDetailsViewModel.ToModel(model);
EntityStore.Models.Add(m);
}
// GET api/<controller>/5
public ModelDetailsViewModel Get(int id)
{
return(ModelDetailsViewModel.FromModel(EntityStore.Models.Include("Images").Include("Make")
.FirstOrDefault(x => x.Id == id)));
}