protected string CreateResourceUri(string actionAlias, PagingParameters param, Enums.ResourceUriType resourceUriType)
{
if (param == null || string.IsNullOrEmpty(actionAlias) || UrlHelper == null)
{
throw new ArgumentException();
}
if (resourceUriType == Enums.ResourceUriType.PreviousPage)
{
return(UrlHelper.Link(actionAlias, new
{
pageSize = param.PageSize,
pageNumber = param.PageNumber - 1
}));
}
else if (resourceUriType == Enums.ResourceUriType.NextPage)
{
return(UrlHelper.Link(actionAlias, new
{
pageSize = param.PageSize,
pageNumber = param.PageNumber + 1
}));
}
return(UrlHelper.Link(actionAlias, new
{
pageSize = param.PageSize,
pageNumber = param.PageNumber
}));
}
/// <summary>
/// Generate paging metadata for X-Pagination
/// </summary>
/// <typeparam name="sourceType"></typeparam>
/// <param name="actionAlias"></param>
/// <param name="items"></param>
/// <param name="param"></param>
/// <returns></returns>
public PagingMetadata CreateResourceUri <sourceType>(string actionAlias,
PagedList <sourceType> items, PagingParameters param)
{
if (items == null || param == null)
{
throw new ArgumentException();
}
string prevPageLink = items.HasPreviousPage ? CreateResourceUri(actionAlias, param,
Enums.ResourceUriType.PreviousPage) : string.Empty;
string nextPageLink = items.HasNextPage ? CreateResourceUri(actionAlias, param,
Enums.ResourceUriType.NextPage) : string.Empty;
string currentPageLink = items.HasNextPage ? CreateResourceUri(actionAlias, param,
Enums.ResourceUriType.CurrentPage) : string.Empty;
return(new PagingMetadata
{
TotalItems = items.TotalItems,
TotalPages = items.TotalPages,
PageSize = items.PageSize,
PageNumber = items.PageNumber,
CurrentPageLink = currentPageLink,
PreviousPageLink = prevPageLink,
NextPageLink = nextPageLink
});
}
