public CatalogViewModel GetItems(int?currentPage, int?itemsPerPage, string currentBrand, SortBy?sortBy)
{
var filter = new FilterViewModel
{
FilterByBrand = new FilterByBrandViewModel
{
Brands = GetBrands(),
CurrentBrand = GetBrands().Contains(currentBrand) ? currentBrand : "All"
},
SortingBy = sortBy
};
var catalogFilter = new CatalogFilterViewModel
{
Filter = filter,
Pagination = new PaginationViewModel
{
CurrentPage = currentPage ?? 1,
ItemsPerPage = itemsPerPage ?? 4,
TotalItems = GetTotalItems(filter)
}
};
var catalogItems = GetCatalogItems(catalogFilter);
var viewmodel = new CatalogViewModel
{
CatalogItems = catalogItems,
Filter = catalogFilter
};
return(viewmodel);
}
public CatalogViewModel GetCatalogModel()
{
var catalogFilter = new CatalogFilterViewModel
{
Filter = new FilterViewModel
{
FilterByBrand = new FilterByBrandViewModel
{
Brands = GetBrands(),
CurrentBrand = "All"
},
SortingBy = SortBy.None
},
Pagination = new PaginationViewModel
{
CurrentPage = 1,
ItemsPerPage = 4,
TotalItems = _catalogService.GetAll().Count()
}
};
var catalogItems = GetCatalogItems(catalogFilter);
var viewmodel = new CatalogViewModel
{
CatalogItems = catalogItems,
Filter = catalogFilter
};
return(viewmodel);
}
public async Task <CatalogIndexViewModel> GetCatalogItems(CatalogFilterViewModel model)
{
string cacheKey = String.Format(_itemsKeyTemplate, model.PaginationInfo.ActualPage, model.PaginationInfo.ItemsPerPage, model.BrandFilterApplied, model.TypesFilterApplied, model.TextSearch);
return(await _cache.GetOrCreateAsync(cacheKey, async entry =>
{
entry.SlidingExpiration = _defaultCacheDuration;
return await _catalogService.GetCatalogItems(model);
}));
}
public CatalogViewModel GetItemsByFilter(CatalogFilterViewModel catalogFilter)
{
var viewmodel = new CatalogViewModel
{
CatalogItems = GetCatalogItems(catalogFilter),
Filter = catalogFilter
};
return(viewmodel);
}
public async Task <CatalogIndexViewModel> GetCatalogItems(CatalogFilterViewModel model)
{
CatalogFilterSpecification filterSpecification = new CatalogFilterSpecification(model.BrandFilterApplied, model.TypesFilterApplied, model.TextSearch);
var root = _itemRepository.List(filterSpecification);
var totalItems = root.Count();
var itemsOnPage = root
.Skip(model.PaginationInfo.ItemsPerPage * model.PaginationInfo.ActualPage)
.Take(model.PaginationInfo.ItemsPerPage)
.ToList();
itemsOnPage.ForEach(x =>
{
x.PictureUri = _uriComposer.ComposePicUri(x.PictureUri);
});
CatalogIndexViewModel vm = new CatalogIndexViewModel()
{
CatalogItems = itemsOnPage.Select(i => new CatalogItemViewModel()
{
Id = i.Id,
Name = i.Name,
PictureUri = i.PictureUri,
Price = i.Price
}),
Brands = await GetBrands(),
Types = await GetTypes()
};
vm.CatalogFilter.BrandFilterApplied = model.BrandFilterApplied ?? 0;
vm.CatalogFilter.TypesFilterApplied = model.TypesFilterApplied ?? 0;
vm.CatalogFilter.PaginationInfo = new PaginationInfoViewModel()
{
ActualPage = model.PaginationInfo.ActualPage,
ItemsPerPage = itemsOnPage.Count,
TotalItems = totalItems,
TotalPages = int.Parse(Math.Ceiling(((decimal)totalItems / model.PaginationInfo.ItemsPerPage)).ToString())
};
vm.CatalogFilter.PaginationInfo.Next = (vm.CatalogFilter.PaginationInfo.ActualPage == vm.CatalogFilter.PaginationInfo.TotalPages - 1) ? "is-disabled" : "";
vm.CatalogFilter.PaginationInfo.Previous = (vm.CatalogFilter.PaginationInfo.ActualPage == 0) ? "is-disabled" : "";
vm.CatalogFilter.TextSearch = model.TextSearch ?? string.Empty;
return(vm);
}
public IViewComponentResult Invoke(CatalogFilterViewModel model) => View(model);
private IEnumerable <CatalogItemViewModel> GetCatalogItems(CatalogFilterViewModel catalogFilter) => _catalogService.GetAll() .BrandFilter(catalogFilter.Filter.FilterByBrand.CurrentBrand) .SortByFilter(catalogFilter.Filter.SortingBy) .PageFilter(catalogFilter.Pagination) .Select(ci => CreateCatalogItemVM(ci));
