public async Task <IActionResult> Catalog(CatalogModel model)
{
// Fill main fields
model.FillFields();
bool hasCustomTypes = false;
if (model.CategoryName != null)
{
hasCustomTypes = model.TryToFillCustomFields(model.CategoryName + "Description");
}
// Select by categories
Expression <Func <ProductInfo, bool> > selector = null;
if (model.CategoryName == null || !CatalogModel.TypeToNameDict.ContainsKey(model.CategoryName))
{
selector = (pr) => true;
}
else
{
selector = (pr) => pr.TableName == model.CategoryName + "Descriptions";
}
var products = (await db.GetProductInfosAsync()).Where(selector);
// Filter by custom values
if (model.CustomValuesInfo != null && model.CustomValuesInfo.FromValues != null && model.CustomValuesInfo.ToValues != null)
{
var descriptions = ControllerHelper.FilterCatalogValues(await db.GetDescriptionsAsync(model.CategoryName + "Descriptions"),
ReflectionHelper.FoundType(model.CategoryName + "Description"),
model.CustomValuesInfo);
var ids = descriptions.Select(d => d.Id).OrderBy(id => id).ToHashSet();
products = products.Where(pr => ids.Contains(pr.Id));
}
// Filter by main values
if (model.StandartValuesInfo != null && model.StandartValuesInfo.FromValues != null && model.StandartValuesInfo.ToValues != null)
{
products = ControllerHelper.FilterCatalogValues(products, typeof(ProductInfo), model.StandartValuesInfo);
}
if (!hasCustomTypes)
{
model.CustomValuesInfo.Types = new Type[0];
}
// Sort by parameter
if (model.SortedBy != null)
{
products = ControllerHelper.OrderValuesByParameter(products, model.SortedBy, model.SortedByDescending);
}
model.Count = products.Count();
model.Products = products;
return(View(model));
}