/// <summary>
/// Gets the product data by page number
/// </summary>
/// <param name="currIndex"></param>
/// <param name="pageSize"></param>
/// <returns></returns>
public IEnumerable <Product> GetProductsByPageIndex(int currIndex, int pageSize)
{
try
{
return(ProductHelper.Instance.Products.Skip(currIndex).Take(pageSize));
}
catch (Exception ex)
{
ServiceFault fault = new ServiceFault();
fault.Result = false;
fault.Message = ex.Message;
fault.Description = "error occurred while getting the products";
throw new FaultException <ServiceFault>(fault);
}
}
/// <summary>
/// Get all products
/// </summary>
/// <returns></returns>
public IEnumerable <Product> GetProducts()
{
try
{
return(ProductHelper.Instance.Products);
}
catch (Exception ex)
{
ServiceFault fault = new ServiceFault();
fault.Result = false;
fault.Message = ex.Message;
fault.Description = "error occurred while getting the products";
throw new FaultException <ServiceFault>(fault);
}
}
/// <summary>
/// Return the product if there is a partial match on any of the products
/// </summary>
/// <param name="product"></param>
/// <returns></returns>
public IEnumerable <Product> GetProducts(Product product)
{
try
{
return(ProductHelper.Instance.Products.Where(p =>
{
bool retVal = true;
if (!string.IsNullOrEmpty(product.Name))
{
retVal = p.Name == product.Name;
}
if (product.Price != null)
{
retVal = p.Price == product.Price;
}
if (product.Rating != null)
{
retVal = p.Rating == product.Rating;
}
if (product.Users != null)
{
retVal = p.Users == product.Users;
}
if (!string.IsNullOrEmpty(product.Type))
{
retVal = p.Type == product.Type;
}
if (!string.IsNullOrEmpty(product.Description))
{
retVal = p.Description == product.Description;
}
return retVal;
}
));
}
catch (Exception ex)
{
ServiceFault fault = new ServiceFault();
fault.Result = false;
fault.Message = ex.Message;
fault.Description = "error occurred while getting the products";
throw new FaultException <ServiceFault>(fault);
}
}
/// <summary>
/// Service to filter the results, ideally this can be done at the UI layer.
/// </summary>
/// <param name="price"></param>
/// <param name="rating"></param>
/// <param name="type"></param>
/// <returns></returns>
public IEnumerable <Product> FilterProducts(decimal?price, decimal?rating, string type)
{
try
{
return(ProductHelper.Instance.Products.Where(p => p.Price == price || price == null)
.Where(p => p.Rating == rating || rating == null)
.Where(p => p.Type == type || string.IsNullOrEmpty(type)));
}
catch (Exception ex)
{
ServiceFault fault = new ServiceFault();
fault.Result = false;
fault.Message = ex.Message;
fault.Description = "error occurred while getting the products";
throw new FaultException <ServiceFault>(fault);
}
}