protected PagingCriteria GetPagingCriteria()
{
if (_pagingCriteria != null)
{
return(_pagingCriteria);
}
string pageNumberString = "0", itemsPerPageString = "0";
int pageNumber = 0, itemsPerPage = 0;
if (Context.Request.QueryString["page"] != null)
{
pageNumberString = Context.Request.QueryString["page"];
}
else
if (Context.Request.Headers["X-Page"] != null)
{
pageNumberString = Context.Request.Headers["X-Page"];
}
if (Context.Request.QueryString["itemsPerPage"] != null)
{
itemsPerPageString = Context.Request.QueryString["itemsPerPage"];
}
else
if (Context.Request.Headers["X-Items-Per-Page"] != null)
{
itemsPerPageString = Context.Request.Headers["X-Items-Per-Page"];
}
if (!int.TryParse(pageNumberString, out pageNumber) || !int.TryParse(itemsPerPageString, out itemsPerPage))
{
throw RestNet.ErrorHandler.HttpBadRequest("One or more of the results paging parameters are not valid. 'page' or 'itemsPerPage' in the query string or 'X-Page' or 'X-Items-Per-Page' in the headers are not valid integers.");
}
_pagingCriteria = new PagingCriteria(pageNumber, itemsPerPage, 0);
return(_pagingCriteria);
}
protected void AddResponsePagingHeaders(PagingCriteria pagingCriteria)
{
Context.Response.AddHeader("X-Total-Item-Count", pagingCriteria.TotalItems.ToString());
Context.Response.AddHeader("X-Items-Per-Page", pagingCriteria.ItemsPerPage.ToString());
Context.Response.AddHeader("X-Page", pagingCriteria.Page.ToString());
}