public PagedList <SiteType> GetSiteTypes(SiteTypeResourceParameters siteTypeResourceParameters)
{
if (siteTypeResourceParameters == null)
{
throw new ArgumentNullException(nameof(siteTypeResourceParameters));
}
var collection = _context.SiteType as IQueryable <SiteType>;
if (!string.IsNullOrWhiteSpace(siteTypeResourceParameters.SearchQuery))
{
var searchQuery = siteTypeResourceParameters.SearchQuery.Trim();
collection = collection.Where(a => a.Type.Contains(searchQuery) ||
a.Type.Contains(searchQuery));
}
if (!string.IsNullOrWhiteSpace(siteTypeResourceParameters.OrderBy))
{
var siteTypePropertyMappingDictionary = _propertyMappingService.GetSiteTypePropertyMapping <SiteTypeDto, SiteType>();
collection = collection.ApplySort(siteTypeResourceParameters.OrderBy, siteTypePropertyMappingDictionary);
}
//Paging.... happens LAST
return(PagedList <SiteType> .Create(collection,
siteTypeResourceParameters.PageNumber,
siteTypeResourceParameters.PageSize));
}
private IEnumerable <LinkDto> CreateLinksForSiteTypes(
SiteTypeResourceParameters siteTypeResourceParameters,
bool hasNext, bool hasPrevious)
{
var links = new List <LinkDto>();
// self
links.Add(
new LinkDto(CreateSiteTypesResourceUri(
siteTypeResourceParameters, ResourceUriType.Current)
, "self", "GET"));
if (hasNext)
{
links.Add(
new LinkDto(CreateSiteTypesResourceUri(
siteTypeResourceParameters, ResourceUriType.NextPage),
"nextPage", "GET"));
}
if (hasPrevious)
{
links.Add(
new LinkDto(CreateSiteTypesResourceUri(
siteTypeResourceParameters, ResourceUriType.PreviousPage),
"previousPage", "GET"));
}
return(links);
}
public IActionResult GetSiteTypes(
[FromQuery] SiteTypeResourceParameters siteTypeResourceParameters)
{
if (!_propertyMappingService.ValidSiteTypeMappingExistsFor <SiteTypeDto, Entities.SiteType>
(siteTypeResourceParameters.OrderBy))
{
return(BadRequest());
}
var siteTypesFromRepo = _siteTypeRepository.GetSiteTypes(siteTypeResourceParameters);
var paginationMetadata = new
{
totalCount = siteTypesFromRepo.TotalCount,
pageSize = siteTypesFromRepo.PageSize,
currentPage = siteTypesFromRepo.CurrentPage,
totalPages = siteTypesFromRepo.TotalPages
};
Response.Headers.Add("X-Pagination",
JsonSerializer.Serialize(paginationMetadata));
var links = CreateLinksForSiteTypes(siteTypeResourceParameters,
siteTypesFromRepo.HasNext,
siteTypesFromRepo.HasPrevious);
var shapedSiteTypes = _mapper.Map <IEnumerable <SiteTypeDto> >(siteTypesFromRepo)
.ShapeData(siteTypeResourceParameters.Fields);
var shapedSiteTypesWithLinks = shapedSiteTypes.Select(siteType =>
{
var siteTypeAsDictionary = siteType as IDictionary <string, object>;
var siteTypeLinks = CreateLinksForSiteTypes((string)siteTypeAsDictionary["Id"], null);
siteTypeAsDictionary.Add("links", siteTypeLinks);
return(siteTypeAsDictionary);
});
var linkedCollectionResource = new
{
value = shapedSiteTypesWithLinks,
links
};
return(Ok(linkedCollectionResource));
}
private string CreateSiteTypesResourceUri(
SiteTypeResourceParameters siteTypeResourceParameters,
ResourceUriType type)
{
switch (type)
{
case ResourceUriType.PreviousPage:
return(Url.Link("GetSiteTypes",
new
{
fields = siteTypeResourceParameters.Fields,
orderBy = siteTypeResourceParameters.OrderBy,
pageNumber = siteTypeResourceParameters.PageNumber - 1,
pageSize = siteTypeResourceParameters.PageSize,
searchQuery = siteTypeResourceParameters.SearchQuery
}));
case ResourceUriType.NextPage:
return(Url.Link("GetSiteTypes",
new
{
fields = siteTypeResourceParameters.Fields,
orderBy = siteTypeResourceParameters.OrderBy,
pageNumber = siteTypeResourceParameters.PageNumber + 1,
pageSize = siteTypeResourceParameters.PageSize,
searchQuery = siteTypeResourceParameters.SearchQuery
}));
case ResourceUriType.Current:
default:
return(Url.Link("GetSiteTypes",
new
{
fields = siteTypeResourceParameters.Fields,
orderBy = siteTypeResourceParameters.OrderBy,
pageNumber = siteTypeResourceParameters.PageNumber,
pageSize = siteTypeResourceParameters.PageSize,
searchQuery = siteTypeResourceParameters.SearchQuery
}));
}
}
