public HttpResponseMessage GetPageLinkHeaders(int pageNo = 1, int pageSize = 50)
{
// Determine the number of records to skip
int skip = (pageNo - 1) * pageSize;
// Get total number of records
int total = _dbContext.Customers.Count();
// Select the customers based on paging parameters
var customers = _dbContext.Customers
.OrderBy(c => c.Id)
.Skip(skip)
.Take(pageSize)
.ToList();
// Get the page links
var linkBuilder = new PageLinkBuilder(Url, "GetPageLinkHeaders", null, pageNo, pageSize, total);
// Create the response
var response = Request.CreateResponse(HttpStatusCode.OK, customers);
// Build up the link header
List<string> links = new List<string>();
if (linkBuilder.FirstPage != null)
links.Add(string.Format(LinkHeaderTemplate, linkBuilder.FirstPage, "first"));
if (linkBuilder.PreviousPage != null)
links.Add(string.Format(LinkHeaderTemplate, linkBuilder.PreviousPage, "previous"));
if (linkBuilder.NextPage != null)
links.Add(string.Format(LinkHeaderTemplate, linkBuilder.NextPage, "next"));
if (linkBuilder.LastPage != null)
links.Add(string.Format(LinkHeaderTemplate, linkBuilder.LastPage, "last"));
// Set the page link header
response.Headers.Add("Link", string.Join(", ", links));
// Return the response
return response;
}
public IHttpActionResult GetPageLinks(int pageNo = 1, int pageSize = 50)
{
// Determine the number of records to skip
int skip = (pageNo - 1) * pageSize;
// Get total number of records
int total = _dbContext.Customers.Count();
// Select the customers based on paging parameters
var customers = _dbContext.Customers
.OrderBy(c => c.Id)
.Skip(skip)
.Take(pageSize)
.ToList();
// Get the page links
var linkBuilder = new PageLinkBuilder(Url, "GetPageLinks", null, pageNo, pageSize, total);
// Return the list of customers
return Ok(new
{
Data = customers,
Paging = new
{
First = linkBuilder.FirstPage,
Previous= linkBuilder.PreviousPage,
Next = linkBuilder.NextPage,
Last = linkBuilder.LastPage
}
});
}