private IEnumerable <Link> CreateLinksForFilteredTransactions(
LinkedPaginatedResult <LinkedTransactionDto> paginatedResult,
TransactionFilterDto filterModel)
{
var links = new List <Link>
{
new Link
{
Href = CreateFilteredTransactionsResourceUrl(
ResourceUriType.CurrentPage,
filterModel),
Rel = "self",
Method = HttpMethod.Get.ToString()
}
};
if (paginatedResult.HasPrevious)
{
links.Add(
new Link
{
Href = CreateFilteredTransactionsResourceUrl(
ResourceUriType.CurrentPage,
filterModel),
Rel = "previousPage",
Method = HttpMethod.Get.ToString()
});
}
if (paginatedResult.HasNext)
{
links.Add(
new Link
{
Href = CreateFilteredTransactionsResourceUrl(
ResourceUriType.CurrentPage,
filterModel),
Rel = "nextPage",
Method = HttpMethod.Get.ToString()
});
}
return(links);
}
public async Task <IActionResult> GetFilteredAsync([FromQuery] TransactionFilterDto filterModel)
{
_logger.LogInformation($"{nameof(TransactionsController)}: {nameof(GetFilteredAsync)} was called with filter model: {JsonSerializer.Serialize(filterModel)}.");
var filterDomainModel = _mapper.Map <TransactionFilterDomainModel>(filterModel);
var modelState = _transactionsService.ValidateTransactionFilterModel(filterDomainModel);
if (!modelState.IsValid)
{
return(UnprocessableEntity(modelState));
}
var pagedTransactionsDomainModel = await _transactionsService
.GetFilteredTransactions(
filterDomainModel,
_currentUserService.AccessKey);
var pagedTransactionsDto = _mapper.Map <PaginatedResult <TransactionDto> >(pagedTransactionsDomainModel);
SetPaginationHeaders(pagedTransactionsDomainModel.Metadata);
if (_mediaTypeService.IsLinkedRepresentation(_mediaType))
{
var linkedTransactionsDto = pagedTransactionsDto.Results
.Select(transaction => new LinkedTransactionDto
{
Transaction = transaction,
Links = CreateLinksForTransaction(transaction.TransactionId)
});
var linkedPagedTransactionsDto = new LinkedPaginatedResult <LinkedTransactionDto>(linkedTransactionsDto, pagedTransactionsDto.Metadata);
linkedPagedTransactionsDto.Links =
CreateLinksForFilteredTransactions(linkedPagedTransactionsDto, filterModel);
return(Ok(linkedPagedTransactionsDto));
}
else
{
return(Ok(pagedTransactionsDto));
}
}
