public virtual void GenerateLinks(
PagingStringResources stringResources,
ActionInfo actionInfo)
{
const int FirstPageNumber = 1;
int totalPages = this.TotalPages ?? 0;
this.Links = new List <LinkDto>();
this.AddLink(FirstPageNumber, stringResources.FirstPage, actionInfo);
if (this.PageNumber > FirstPageNumber && this.PageNumber <= totalPages)
{
this.AddLink(this.PageNumber - 1, stringResources.PreviousPage, actionInfo);
}
if (this.PageNumber >= FirstPageNumber && this.PageNumber <= totalPages)
{
this.AddLink(this.PageNumber, stringResources.CurrentPage, actionInfo);
}
if (this.PageNumber >= FirstPageNumber - 1 && this.PageNumber < totalPages)
{
this.AddLink(this.PageNumber + 1, stringResources.NextPage, actionInfo);
}
if (totalPages > 0)
{
this.AddLink(totalPages, stringResources.LastPage, actionInfo);
}
}
public ShowsController(
IShowsService showsService,
IPageParametersValidator pageParametersValidator,
IMapper mapper,
PagingStringResources pageStringResources,
IUrlHelper urlHelper)
{
this.showsService = showsService ?? throw new ArgumentNullException(nameof(showsService));
this.pageParametersValidator = pageParametersValidator ?? throw new ArgumentNullException(nameof(pageParametersValidator));
this.mapper = mapper ?? throw new ArgumentNullException(nameof(mapper));
this.pageStringResources = pageStringResources ?? throw new ArgumentNullException(nameof(pageStringResources));
this.urlHelper = urlHelper ?? throw new ArgumentNullException(nameof(urlHelper));
}
private static PageHateoasResponse ProcessPagingValidationException(PagingValidationException pagingValidationException, ExceptionContext context, PagingStringResources pageStringResources, IUrlHelper urlHelper)
{
const int DefaultPageNumber = 1;
const int DefaultPageSize = 25;
var errorResponse = new PageHateoasResponse
{
Errors = pagingValidationException.ValidationMessages,
PageNumber = DefaultPageNumber,
PageSize = DefaultPageSize
};
var actionInfo = new ActionInfo
{
UrlHelper = urlHelper,
RouteName = context.ActionDescriptor.AttributeRouteInfo.Name,
HttpMethod = context.HttpContext.Request.Method
};
errorResponse.GenerateLinks(pageStringResources, actionInfo);
return(errorResponse);
}
