public PagedList <CustomerAccount> GetCustomerAccounts(CustomerAccountResourceParameters customerResourseParameters)
{
if (customerResourseParameters == null)
{
throw new ArgumentNullException(nameof(customerResourseParameters));
}
var collection = _context.CustomerAccounts as IQueryable <CustomerAccount>;
if (!string.IsNullOrWhiteSpace(customerResourseParameters.SearchQuery))
{
var searchQuery = customerResourseParameters.SearchQuery.Trim();
collection = collection.Where(a => a.ContactName.Contains(searchQuery));
}
if (!string.IsNullOrWhiteSpace(customerResourseParameters.OrderBy))
{
var customerAccountPropertyMappingDictionary = _propertyMappingService.GetCustomerAccountPropertyMapping <CustomerAccountDto, CustomerAccount>();
collection = collection.ApplySort(customerResourseParameters.OrderBy, customerAccountPropertyMappingDictionary);
}
//Paging.... happens LAST
return(PagedList <CustomerAccount> .Create(collection,
customerResourseParameters.PageNumber,
customerResourseParameters.PageSize));
}
private IEnumerable <LinkDto> CreateLinksForCustomerAccount(
CustomerAccountResourceParameters customerAccountResourceParameters,
bool hasNext, bool hasPrevious)
{
var links = new List <LinkDto>();
// self
links.Add(
new LinkDto(CreateCustomerAccountResourceUri(
customerAccountResourceParameters, ResourceUriType.Current)
, "self", "GET"));
if (hasNext)
{
links.Add(
new LinkDto(CreateCustomerAccountResourceUri(
customerAccountResourceParameters, ResourceUriType.NextPage),
"nextPage", "GET"));
}
if (hasPrevious)
{
links.Add(
new LinkDto(CreateCustomerAccountResourceUri(
customerAccountResourceParameters, ResourceUriType.PreviousPage),
"previousPage", "GET"));
}
return(links);
}
public IActionResult GetCustomerAccounts(Guid companyId,
[FromQuery] CustomerAccountResourceParameters customerAccountResourceParameters)
{
if (!_propertyMappingService.ValidCustomerAccountMappingExistsFor <CustomerAccountDto, Entities.CustomerAccount>
(customerAccountResourceParameters.OrderBy))
{
return(BadRequest());
}
customerAccountResourceParameters.CompanyId = companyId;
var customerAccountFromRepo = _customerAccountRepository.GetCustomerAccounts(customerAccountResourceParameters);
var paginationMetadata = new
{
totalCount = customerAccountFromRepo.TotalCount,
pageSize = customerAccountFromRepo.PageSize,
currentPage = customerAccountFromRepo.CurrentPage,
totalPages = customerAccountFromRepo.TotalPages
};
Response.Headers.Add("X-Pagination",
JsonSerializer.Serialize(paginationMetadata));
var links = CreateLinksForCustomerAccount(customerAccountResourceParameters,
customerAccountFromRepo.HasNext,
customerAccountFromRepo.HasPrevious);
var shapedCustomerAccount = _mapper.Map <IEnumerable <CustomerAccountDto> >(customerAccountFromRepo)
.ShapeData(customerAccountResourceParameters.Fields);
var shapedCustomerAccountWithLinks = shapedCustomerAccount.Select(customerAccount =>
{
var customerAccountAsDictionary = customerAccount as IDictionary <string, object>;
var customerAccountLinks = CreateLinksForCustomerAccounts(companyId.ToString(), (string)customerAccountAsDictionary["Id"], null);
customerAccountAsDictionary.Add("links", customerAccountLinks);
return(customerAccountAsDictionary);
});
var linkedCollectionResource = new
{
value = shapedCustomerAccountWithLinks,
links
};
return(Ok(linkedCollectionResource));
}
private string CreateCustomerAccountResourceUri(
CustomerAccountResourceParameters customerAccountResourceParameters,
ResourceUriType type)
{
switch (type)
{
case ResourceUriType.PreviousPage:
return(Url.Link("GetCustomerAccounts",
new
{
fields = customerAccountResourceParameters.Fields,
orderBy = customerAccountResourceParameters.OrderBy,
pageNumber = customerAccountResourceParameters.PageNumber - 1,
pageSize = customerAccountResourceParameters.PageSize,
mainCategory = customerAccountResourceParameters.Type,
searchQuery = customerAccountResourceParameters.SearchQuery
}));
case ResourceUriType.NextPage:
return(Url.Link("GetCustomerAccounts",
new
{
fields = customerAccountResourceParameters.Fields,
orderBy = customerAccountResourceParameters.OrderBy,
pageNumber = customerAccountResourceParameters.PageNumber + 1,
pageSize = customerAccountResourceParameters.PageSize,
mainCategory = customerAccountResourceParameters.Type,
searchQuery = customerAccountResourceParameters.SearchQuery
}));
case ResourceUriType.Current:
default:
return(Url.Link("GetCustomerAccounts",
new
{
fields = customerAccountResourceParameters.Fields,
orderBy = customerAccountResourceParameters.OrderBy,
pageNumber = customerAccountResourceParameters.PageNumber,
pageSize = customerAccountResourceParameters.PageSize,
mainCategory = customerAccountResourceParameters.Type,
searchQuery = customerAccountResourceParameters.SearchQuery
}));
}
}
