public async Task <IActionResult> Index(
AdminBaseCarFilterStrategy filter = AdminBaseCarFilterStrategy.All,
string name = "",
int pageNumber = 1)
{
var cookies = this.HttpContext.Request.Cookies;
var sortDirectionKey = WebConstants.CookieAdminCarsSortDirectionKey;
var sortDirection = this.cookiesService.GetValueOrDefault <SortStrategyDirection>(cookies, sortDirectionKey);
var sortTypeKey = WebConstants.CookieAdminCarsSortTypeKey;
var sortType = this.cookiesService.GetValueOrDefault <AdminBaseCarSortStrategyType>(cookies, sortTypeKey);
var filterStrategy = AdminCarFilterStrategyFactory.GetStrategy(filter, name);
var sortStrategy = AdminBaseCarSortStrategyFactory.GetStrategy <BaseCar>(sortType, sortDirection);
var carServiceModels = this.carsService.GetCars(sortStrategy, filterStrategy);
var carServiceModelsFromCurrentPage = carServiceModels.GetFromPage(pageNumber, WebConstants.PageSize);
var carViewModels = await carServiceModelsFromCurrentPage.To <CarConciseViewModel>().ToArrayAsync();
var totalPagesCount = await PaginationHelper.CountTotalPagesCountAsync(carServiceModels);
var model = new AdminCarsViewModel()
{
Cars = carViewModels,
SortStrategyDirection = sortDirection,
SortStrategyType = sortType,
CurrentPage = pageNumber,
TotalPagesCount = totalPagesCount
};
return(View(model));
}
public static ICarFilterStrategy GetStrategy(AdminBaseCarFilterStrategy filterStrategy, string name)
{
switch (filterStrategy)
{
case AdminBaseCarFilterStrategy.Engine:
return(new FilterCarsByPredicateStrategy(c => c.Engine.Name == name));
case AdminBaseCarFilterStrategy.Option:
return(new FilterCarsByPredicateStrategy(c => c.Options.Any(o => o.Option.Name == name)));
case AdminBaseCarFilterStrategy.FuelType:
return(new FilterCarsByPredicateStrategy(c => c.FuelType.Name == name));
case AdminBaseCarFilterStrategy.ModelType:
return(new FilterCarsByPredicateStrategy(c => c.ModelType.Name == name));
case AdminBaseCarFilterStrategy.Series:
return(new FilterCarsByPredicateStrategy(c => c.Series.Name == name));
case AdminBaseCarFilterStrategy.All:
return(new ReturnAllFilterStrategy());
default:
throw new InvalidEnumArgumentException();
}
}
