public PagedList <UserAccount> GetUserAccounts(UserAccountResourceParameters userAccountResourseParameters)
{
if (userAccountResourseParameters == null)
{
throw new ArgumentNullException(nameof(userAccountResourseParameters));
}
var collection = _context.UserAccounts as IQueryable <UserAccount>;
collection = collection.Where(a => a.CompanyId == userAccountResourseParameters.CompanyId);
if (!string.IsNullOrWhiteSpace(userAccountResourseParameters.SearchQuery))
{
var searchQuery = userAccountResourseParameters.SearchQuery.Trim();
collection = collection.Where(a => a.UserName.Contains(searchQuery));
}
if (!string.IsNullOrWhiteSpace(userAccountResourseParameters.OrderBy))
{
var userAccountPropertyMappingDictionary = _propertyMappingService.GetUserAccountPropertyMapping <UserAccountDto, UserAccount>();
collection = collection.ApplySort(userAccountResourseParameters.OrderBy, userAccountPropertyMappingDictionary);
}
//Paging.... happens LAST
return(PagedList <UserAccount> .Create(collection,
userAccountResourseParameters.PageNumber,
userAccountResourseParameters.PageSize));
}
private IEnumerable <LinkDto> CreateLinksForUserAccount(
UserAccountResourceParameters userAccountResourceParameters,
bool hasNext, bool hasPrevious)
{
var links = new List <LinkDto>();
// self
links.Add(
new LinkDto(CreateUserAccountResourceUri(
userAccountResourceParameters, ResourceUriType.Current)
, "self", "GET"));
if (hasNext)
{
links.Add(
new LinkDto(CreateUserAccountResourceUri(
userAccountResourceParameters, ResourceUriType.NextPage),
"nextPage", "GET"));
}
if (hasPrevious)
{
links.Add(
new LinkDto(CreateUserAccountResourceUri(
userAccountResourceParameters, ResourceUriType.PreviousPage),
"previousPage", "GET"));
}
return(links);
}
public IActionResult GetUserAccounts(Guid companyId,
[FromQuery] UserAccountResourceParameters userAccountResourceParameters)
{
if (!_propertyMappingService.ValidUserAccountMappingExistsFor <UserAccountDto, Entities.UserAccount>
(userAccountResourceParameters.OrderBy))
{
return(BadRequest());
}
userAccountResourceParameters.CompanyId = companyId;
var userAccountFromRepo = _userAccountRepository.GetUserAccounts(userAccountResourceParameters);
var paginationMetadata = new
{
totalCount = userAccountFromRepo.TotalCount,
pageSize = userAccountFromRepo.PageSize,
currentPage = userAccountFromRepo.CurrentPage,
totalPages = userAccountFromRepo.TotalPages
};
Response.Headers.Add("X-Pagination",
JsonSerializer.Serialize(paginationMetadata));
var links = CreateLinksForUserAccount(userAccountResourceParameters,
userAccountFromRepo.HasNext,
userAccountFromRepo.HasPrevious);
var shapedUserAccounts = _mapper.Map <IEnumerable <UserAccountDto> >(userAccountFromRepo)
.ShapeData(userAccountResourceParameters.Fields);
var shapedUserAccountsWithLinks = shapedUserAccounts.Select(userAccount =>
{
var userAccountAsDictionary = userAccount as IDictionary <string, object>;
var userAccountLinks = CreateLinksForUserAccount(userAccountResourceParameters.CompanyId.ToString(), userAccountAsDictionary["Id"].ToString(), null);
userAccountAsDictionary.Add("links", userAccountLinks);
return(userAccountAsDictionary);
});
var linkedCollectionResource = new
{
value = shapedUserAccountsWithLinks,
links
};
return(Ok(linkedCollectionResource));
}
private string CreateUserAccountResourceUri(
UserAccountResourceParameters userAccountResourceParameters,
ResourceUriType type)
{
switch (type)
{
case ResourceUriType.PreviousPage:
return(Url.Link("GetUserAccounts",
new
{
fields = userAccountResourceParameters.Fields,
orderBy = userAccountResourceParameters.OrderBy,
pageNumber = userAccountResourceParameters.PageNumber - 1,
pageSize = userAccountResourceParameters.PageSize,
searchQuery = userAccountResourceParameters.SearchQuery
}));
case ResourceUriType.NextPage:
return(Url.Link("GetUserAccounts",
new
{
fields = userAccountResourceParameters.Fields,
orderBy = userAccountResourceParameters.OrderBy,
pageNumber = userAccountResourceParameters.PageNumber + 1,
pageSize = userAccountResourceParameters.PageSize,
searchQuery = userAccountResourceParameters.SearchQuery
}));
case ResourceUriType.Current:
default:
return(Url.Link("GetUserAccounts",
new
{
fields = userAccountResourceParameters.Fields,
orderBy = userAccountResourceParameters.OrderBy,
pageNumber = userAccountResourceParameters.PageNumber,
pageSize = userAccountResourceParameters.PageSize,
searchQuery = userAccountResourceParameters.SearchQuery
}));
}
}
