public async Task <IActionResult> Products([FromServices] IGetDisplayModel getDisplayModel, int categoryId = -1)
{
DisplayModel displayModel;
if (categoryId == -1)
{
displayModel = await getDisplayModel.GetDisplayModelAsync(db);
}
else
{
Category category = await db.Categories.SingleOrDefaultAsync(p => p.Id == categoryId);
displayModel = await getDisplayModel.GetDisplayModelAsync(db, category);
}
return(View(displayModel));
}
public async Task <IActionResult> Categories([FromServices] IGetDisplayModel getDisplayModel)
{
List <DisplayModel> displayModels = new List <DisplayModel>();
List <Category> categories = db.Categories.ToList();
foreach (Category category in categories)
{
DisplayModel tempDisplayModel = await getDisplayModel.GetDisplayModelAsync(db, category);
displayModels.Add(tempDisplayModel);
}
return(View(displayModels));
}