public List <ProductViewModel> ShowProductsByCompanyandCategoryId(int companyId, int categoryId)
{
List <ProductViewModel> productList = new List <ProductViewModel>();
if (!companyId.Equals(null) && companyId != 0)
{
if (!categoryId.Equals(null) && categoryId != 0)
{
productList = productGateway.GetProductsByCompanyandCategoryId(companyId, categoryId);
}
else
{
productList = productGateway.GetProductsByCompany(companyId);
}
}
else
{
if (!categoryId.Equals(null) && categoryId != 0)
{
productList = productGateway.GetProductsByCategoryId(categoryId);
}
else
{
productList.Clear();
}
}
return(productList);
}