private IEnumerable <LinkDto> CreateLinksForSite(
SiteResourceParameters siteResourceParameters,
bool hasNext, bool hasPrevious)
{
var links = new List <LinkDto>();
// self
links.Add(
new LinkDto(CreateSitesResourceUri(
siteResourceParameters, ResourceUriType.Current)
, "self", "GET"));
if (hasNext)
{
links.Add(
new LinkDto(CreateSitesResourceUri(
siteResourceParameters, ResourceUriType.NextPage),
"nextPage", "GET"));
}
if (hasPrevious)
{
links.Add(
new LinkDto(CreateSitesResourceUri(
siteResourceParameters, ResourceUriType.PreviousPage),
"previousPage", "GET"));
}
return(links);
}
public IActionResult GetSites(Guid companyId, Guid siteTypeId,
[FromQuery] SiteResourceParameters siteResourceParameters)
{
if (!_propertyMappingService.ValidSiteMappingExistsFor <SiteDto, Entities.Site>
(siteResourceParameters.OrderBy))
{
return(BadRequest());
}
siteResourceParameters.CompanyId = companyId;
var sitesFromRepo = _siteRepository.GetSites(siteResourceParameters);
var paginationMetadata = new
{
totalCount = sitesFromRepo.TotalCount,
pageSize = sitesFromRepo.PageSize,
currentPage = sitesFromRepo.CurrentPage,
totalPages = sitesFromRepo.TotalPages
};
Response.Headers.Add("X-Pagination",
JsonSerializer.Serialize(paginationMetadata));
var links = CreateLinksForSite(siteResourceParameters,
sitesFromRepo.HasNext,
sitesFromRepo.HasPrevious);
var shapedSites = _mapper.Map <IEnumerable <SiteDto> >(sitesFromRepo)
.ShapeData(siteResourceParameters.Fields);
var shapedSitesWithLinks = shapedSites.Select(sites =>
{
var siteAsDictionary = sites as IDictionary <string, object>;
var siteLinks = CreateLinksForSite(companyId.ToString(), siteTypeId.ToString(), (string)siteAsDictionary["Id"], null);
siteAsDictionary.Add("links", siteLinks);
return(siteAsDictionary);
});
var linkedCollectionResource = new
{
value = shapedSitesWithLinks,
links
};
return(Ok(linkedCollectionResource));
}
private string CreateSitesResourceUri(
SiteResourceParameters siteResourceParameters,
ResourceUriType type)
{
switch (type)
{
case ResourceUriType.PreviousPage:
return(Url.Link("GetSites",
new
{
fields = siteResourceParameters.Fields,
orderBy = siteResourceParameters.OrderBy,
pageNumber = siteResourceParameters.PageNumber - 1,
pageSize = siteResourceParameters.PageSize,
searchQuery = siteResourceParameters.SearchQuery
}));
case ResourceUriType.NextPage:
return(Url.Link("GetSites",
new
{
fields = siteResourceParameters.Fields,
orderBy = siteResourceParameters.OrderBy,
pageNumber = siteResourceParameters.PageNumber + 1,
pageSize = siteResourceParameters.PageSize,
searchQuery = siteResourceParameters.SearchQuery
}));
case ResourceUriType.Current:
default:
return(Url.Link("GetSites",
new
{
fields = siteResourceParameters.Fields,
orderBy = siteResourceParameters.OrderBy,
pageNumber = siteResourceParameters.PageNumber,
pageSize = siteResourceParameters.PageSize,
searchQuery = siteResourceParameters.SearchQuery
}));
}
}
