private IEnumerable <LinkDto> CreateLinksForTerminalSettings(
TerminalSettingsParameters terminalSettingsParameters,
bool hasNext, bool hasPrevious)
{
var links = new List <LinkDto>();
// self
links.Add(
new LinkDto(CreateTerminalSettingsResourceUri(
terminalSettingsParameters, ResourceUriType.Current)
, "self", "GET"));
if (hasNext)
{
links.Add(
new LinkDto(CreateTerminalSettingsResourceUri(
terminalSettingsParameters, ResourceUriType.NextPage),
"nextPage", "GET"));
}
if (hasPrevious)
{
links.Add(
new LinkDto(CreateTerminalSettingsResourceUri(
terminalSettingsParameters, ResourceUriType.PreviousPage),
"previousPage", "GET"));
}
return(links);
}
public PagedList <TerminalSettings> GetTerminalSettings(TerminalSettingsParameters terminalSettingsParameters)
{
if (terminalSettingsParameters == null)
{
throw new ArgumentNullException(nameof(terminalSettingsParameters));
}
if (terminalSettingsParameters.TerminalId == Guid.Empty)
{
throw new ArgumentNullException(nameof(terminalSettingsParameters));
}
var collection = _context.TerminalSettings as IQueryable <TerminalSettings>;
collection = collection.Where(a => a.TerminalId == terminalSettingsParameters.TerminalId);
if (!string.IsNullOrWhiteSpace(terminalSettingsParameters.OrderBy))
{
var terminalSettingsPropertyMappingDictionary = _propertyMappingService.GetTerminalSettingsPropertyMapping <TerminalSettingsDto, TerminalSettings>();
collection = collection.ApplySort(terminalSettingsParameters.OrderBy, terminalSettingsPropertyMappingDictionary);
}
//Paging.... happens LAST
return(PagedList <TerminalSettings> .Create(collection,
terminalSettingsParameters.PageNumber,
terminalSettingsParameters.PageSize));
}
public IActionResult GetTerminalSettings(Guid terminalId,
[FromQuery] TerminalSettingsParameters terminalSettingsParameters)
{
terminalSettingsParameters.TerminalId = terminalId;
if (!_propertyMappingService.ValidTerminalSettingsMappingExistsFor <TerminalSettingsDto, Entities.TerminalSettings>
(terminalSettingsParameters.OrderBy))
{
return(BadRequest());
}
var terminalSettingsFromRepo = _terminalSettingsRepository.GetTerminalSettings(terminalSettingsParameters);
var paginationMetadata = new
{
totalCount = terminalSettingsFromRepo.TotalCount,
pageSize = terminalSettingsFromRepo.PageSize,
currentPage = terminalSettingsFromRepo.CurrentPage,
totalPages = terminalSettingsFromRepo.TotalPages
};
Response.Headers.Add("X-Pagination",
JsonSerializer.Serialize(paginationMetadata));
var links = CreateLinksForTerminalSettings(terminalSettingsParameters,
terminalSettingsFromRepo.HasNext,
terminalSettingsFromRepo.HasPrevious);
var shapedSites = _mapper.Map <IEnumerable <TerminalSettingsDto> >(terminalSettingsFromRepo)
.ShapeData(terminalSettingsParameters.Fields);
var shapedTerminalWithLinks = shapedSites.Select(terminalSettings =>
{
var terminalSettingsAsDictionary = terminalSettings as IDictionary <string, object>;
var terminalSettingsLinks = CreateLinksForTerminalSettings(terminalId.ToString(), (string)terminalSettingsAsDictionary["Id"], null);
terminalSettingsAsDictionary.Add("links", terminalSettingsLinks);
return(terminalSettingsAsDictionary);
});
var linkedCollectionResource = new
{
value = shapedTerminalWithLinks,
links
};
return(Ok(linkedCollectionResource));
}
private string CreateTerminalSettingsResourceUri(
TerminalSettingsParameters terminalSettingsParameters,
ResourceUriType type)
{
switch (type)
{
case ResourceUriType.PreviousPage:
return(Url.Link("GetTerminalSettings",
new
{
fields = terminalSettingsParameters.Fields,
orderBy = terminalSettingsParameters.OrderBy,
pageNumber = terminalSettingsParameters.PageNumber - 1,
pageSize = terminalSettingsParameters.PageSize,
searchQuery = terminalSettingsParameters.SearchQuery
}));
case ResourceUriType.NextPage:
return(Url.Link("GetTerminalSettings",
new
{
fields = terminalSettingsParameters.Fields,
orderBy = terminalSettingsParameters.OrderBy,
pageNumber = terminalSettingsParameters.PageNumber + 1,
pageSize = terminalSettingsParameters.PageSize,
searchQuery = terminalSettingsParameters.SearchQuery
}));
case ResourceUriType.Current:
default:
return(Url.Link("GetTerminalSettings",
new
{
fields = terminalSettingsParameters.Fields,
orderBy = terminalSettingsParameters.OrderBy,
pageNumber = terminalSettingsParameters.PageNumber,
pageSize = terminalSettingsParameters.PageSize,
searchQuery = terminalSettingsParameters.SearchQuery
}));
}
}