public async Task <IActionResult> GetSamples([FromQuery] SampleParametersDto sampleParametersDto)
{
// add error handling
var query = new SampleListQuery(sampleParametersDto);
var queryResponse = await _mediator.Send(query);
var paginationMetadata = new
{
totalCount = queryResponse.TotalCount,
pageSize = queryResponse.PageSize,
currentPageSize = queryResponse.CurrentPageSize,
currentStartIndex = queryResponse.CurrentStartIndex,
currentEndIndex = queryResponse.CurrentEndIndex,
pageNumber = queryResponse.PageNumber,
totalPages = queryResponse.TotalPages,
hasPrevious = queryResponse.HasPrevious,
hasNext = queryResponse.HasNext
};
Response.Headers.Add("X-Pagination",
JsonSerializer.Serialize(paginationMetadata));
var response = new Response <IEnumerable <SampleDto> >(queryResponse);
return(Ok(response));
}
public async Task <IActionResult> GetSamples([FromQuery] SampleParametersDto sampleParametersDto, CancellationToken cancellationToken)
{
var samplesFromRepo = await _sampleRepository.GetSamplesAsync(sampleParametersDto, cancellationToken);
var paginationMetadata = new
{
totalCount = samplesFromRepo.TotalCount,
pageSize = samplesFromRepo.PageSize,
currentPageSize = samplesFromRepo.CurrentPageSize,
currentStartIndex = samplesFromRepo.CurrentStartIndex,
currentEndIndex = samplesFromRepo.CurrentEndIndex,
pageNumber = samplesFromRepo.PageNumber,
totalPages = samplesFromRepo.TotalPages,
hasPrevious = samplesFromRepo.HasPrevious,
hasNext = samplesFromRepo.HasNext
};
Response.Headers.Add("X-Pagination",
JsonSerializer.Serialize(paginationMetadata));
var samplesDto = _mapper.Map <IEnumerable <SampleDto> >(samplesFromRepo);
var response = new Response <IEnumerable <SampleDto> >(samplesDto);
return(Ok(response));
}
public async Task <PagedList <Sample> > GetSamplesAsync(SampleParametersDto sampleParameters, CancellationToken cancellationToken)
{
if (sampleParameters == null)
{
throw new ArgumentNullException(nameof(sampleParameters));
}
var collection = _context.Samples
as IQueryable <Sample>; // TODO: AsNoTracking() should increase performance, but will break the sort tests. need to investigate
var sieveModel = new SieveModel
{
Sorts = sampleParameters.SortOrder ?? "SampleId",
Filters = sampleParameters.Filters
};
collection = _sieveProcessor.Apply(sieveModel, collection);
return(await PagedList <Sample> .CreateAsync(collection,
sampleParameters.PageNumber,
sampleParameters.PageSize,
cancellationToken));
}
public SampleListQuery(SampleParametersDto queryParameters)
{
QueryParameters = queryParameters;
}