private string CreateResourceUri(SiteSSFP options, ResourceUriType type)
{
switch (type)
{
case ResourceUriType.PreviousPage:
return(Url.Link("GetAllParaglidersAsync",
new
{
PageNumber = options.PageNumber = 1,
options.PageSize,
}));
case ResourceUriType.NextPage:
return(Url.Link("GetAllParaglidersAsync",
new
{
PageNumber = options.PageNumber + 1,
options.PageSize
}));
default:
return(Url.Link("GetAllParaglidersAsync",
new
{
options.PageNumber,
options.PageSize
}));
}
}
public async Task <IReadOnlyCollection <SiteDto> > GetAllSitesAsync(SiteSSFP options)
{
var sites = _paraContext.Sites
.AsNoTracking()
.SearchSitesBy(options.SearchBy, options.SiteApproach, options.SiteName)
.SortSitesBy(options.SortBy)
.FilterSitesBy(options.FilterBy, options.Orientation, options.AltitudeTakeOff)
.MapSiteDto();
options.SetPagingValues(sites);
var pagedQuery = sites.Page(options.PageNumber - 1, options.PageSize);
return(await pagedQuery.ToListAsync());
}
public async Task <ActionResult <IReadOnlyCollection <SiteDto> > > GetAllSiteAsync([FromQuery] SiteSSFP options)
{
var sites = await _sitesService.GetAllSitesAsync(options);
if (sites == null)
{
return(NotFound("Collection was empty"));
}
var previousPageLink = options.HasPrevious ? CreateResourceUri(options, ResourceUriType.PreviousPage) : null;
var nextPageLink = options.HasNext ? CreateResourceUri(options, ResourceUriType.NextPage) : null;
var paginationMetadata = new
{
options.TotalCount,
options.PageSize,
options.PageNumber,
options.TotalPages,
previousPageLink,
nextPageLink
};
Response.Headers.Add("X-Pagination", System.Text.Json.JsonSerializer.Serialize(paginationMetadata));
return(Ok(sites));
}
