public int GetProductPagesCount(PageEnumerator elementsPerPage)
{
var productCount = this.Context.Products.Where(product => product.IsActive).Count(product => product.IsActive);
int pageEleemnts = (int)elementsPerPage;
return((int)Math.Ceiling((decimal)(productCount / pageEleemnts)));
}
public ICollection <ProductViewModel> GetProductsViewModel(PageEnumerator pageType, int page, string sorting, Category category)
{
var pageCount = Convert.ToInt32(pageType);
var sortRule = this.Context.SortingRules.FirstOrDefault(sort => sort.Name == sorting);
page = page - 1;
if (sortRule == null || page < 0)
{
return(null);
}
var products = this.Context
.Products
.Where(product => product.Category.Id == category.Id && product.IsActive)
.Select(product => new ProductViewModel
{
Id = product.Id,
Name = product.Name,
Price = "€ " + product.Prices.FirstOrDefault(price => price.Currency.IsoCode == "EUR").Value,
CategorySortingRule = product.Category.SortingRule,
DefaultImageName = product.Images
.FirstOrDefault(image => image.isDefault == true)
.File
})
.ToList();
return(products
.OrderBy(sortRule.ProductSortParameter + " " + sortRule.SortingType)
.OrderBy(product => product.CategorySortingRule)
.Skip(page * pageCount)
.Take(pageCount)
.ToList());
}
public ICollection <ProductAdminViewModel> GetProductsAdminViewModel(PageEnumerator pageType, int page)
{
var pageCount = Convert.ToInt32(pageType);
page -= 1;
var products = this.Context
.Products
.Where(product => product.IsActive)
.Select(product => new ProductAdminViewModel
{
Id = product.Id,
Name = product.Name,
Prices = product.Prices,
IsActive = product.IsActive,
Category = product.Category,
Images = product.Images,
ProductParameters = product.ProductParameters,
Descriptions = product.Descriptions,
PreviewCount = product.PreviewCount,
SkuId = product.SkuId,
AddedDateTime = product.AddedDateTime,
ManifactureId = product.ManifactureId,
OnlineFromDate = product.OnlineFromDate,
Tag = product.Tag
})
.ToList();
return(products
.Skip(page * pageCount)
.Take(pageCount)
.ToList());
}
public void Enumeration_OnePageAmount_ItMustEnumerateCorrectly()
{
PageEnumerator <long> pageEnumerator = new PageEnumerator <long>(0, l => l + 1);
foreach (long page in pageEnumerator)
{
Assert.Equal(1, page);
}
}
public void Enumeration_MoreThanOnePageAmount_ItMustEnumerateCorrectly()
{
int expectedPages = 5;
int nextNumberGetterCalls = 0;
Func <int, int> nextNumberGetter = i =>
{
nextNumberGetterCalls++;
return(i + 1);
};
PageEnumerator <int> pageEnumerator = new PageEnumerator <int>(0, nextNumberGetter);
pageEnumerator.SetLastPage(expectedPages);
Assert.Equal(expectedPages, pageEnumerator.Count());
int expectedCurrentPage = 1;
foreach (long page in pageEnumerator)
{
Assert.Equal(expectedCurrentPage++, page);
}
Assert.Equal(1 + expectedPages * 2, nextNumberGetterCalls);
}
