public XPaginationHeader(
IPaginationMetadata pagination,
Func <object, string> urlBuilder,
CollectionConfig collectionConfig)
{
_collectionConfig = collectionConfig;
var metadata = new
{
totalCount = pagination.TotalCount,
pageSize = pagination.PageSize,
currentPage = pagination.CurrentPage,
totalPages = pagination.TotalPages,
previousPageUrl = pagination.HasPrevious
? CreatePlayersResourceUri(ResourceUriType.PreviousPage, urlBuilder)
: null,
nextPageUrl = pagination.HasNext
? CreatePlayersResourceUri(ResourceUriType.NextPage, urlBuilder)
: null
};
var key = "X-Pagination";
var value = JsonSerializer.Serialize(metadata,
new JsonSerializerOptions()
{
// NOTE: Stops the '?' & '&' chars in the links being escaped
Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping,
IgnoreNullValues = true
});
Value = new KeyValuePair <string, StringValues>(key, value);
}
/// <summary>
/// Factory method to build <see cref="HateoasLink"/>'s for resource collection responses
/// </summary>
/// <typeparam name="TParameters"></typeparam>
/// <param name="parameters"></param>
/// <param name="pagination"></param>
/// <returns></returns>
protected List <HateoasLink> ResourcesGetLinks <TParameters>(
TParameters parameters,
IPaginationMetadata pagination)
{
var currentPage = CollectionConfig.Page;
var links = new List <HateoasLink>
{
ResourcesGetLinkBuilder(parameters, HateoasConfig.Relationships.CurrentPage),
};
if (pagination.HasPrevious)
{
CollectionConfig.Page = currentPage - 1;
links.Add(ResourcesGetLinkBuilder(parameters, HateoasConfig.Relationships.PreviousPage));
}
if (pagination.HasNext)
{
CollectionConfig.Page = currentPage + 1;
links.Add(ResourcesGetLinkBuilder(parameters, HateoasConfig.Relationships.NextPage));
}
CollectionConfig.Page = currentPage;
return(links);
}
private void AddPaginationHeader(string resourcesGetRouteName,
[NotNull] IPaginationMetadata pagedEntities)
{
var xPaginationHeader = new XPaginationHeader(
pagedEntities,
(parameters) => Url.Link(resourcesGetRouteName, parameters),
CollectionConfig
);
Response.Headers.Add(xPaginationHeader.Value);
}
internal new List <HateoasLink> ResourcesGetLinks <T>(T p, IPaginationMetadata pagination)
{
return(base.ResourcesGetLinks(p, pagination));
}