public async Task <ActionResult <IEnumerable <CompanyDto> > > GetCompanies([FromQuery] DtoParameters dtoParameter)
{
var companies = await _companyRepository.GetCompaniesAsync(dtoParameter);
var previousLink = companies.HasPrevious ? CreateCompaniesResourceUri(dtoParameter, ResourceUriType.PreviousPage) : null;
var nextLink = companies.HasNext ? CreateCompaniesResourceUri(dtoParameter, ResourceUriType.NextPage) : null;
var paginationMetadata = new
{
totalCount = companies.TotalCount,
pageSize = companies.PageSize,
currentPage = companies.CurrentPage,
totalPages = companies.TotalPages,
previousLink,
nextLink
};
Response.Headers.Add("X-Pagination", JsonSerializer.Serialize(paginationMetadata,
new JsonSerializerOptions
{
Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
}));
var companiesDto = _mapper.Map <IEnumerable <CompanyDto> >(companies);
if (companiesDto == null)
{
return(NoContent());
}
return(Ok(companiesDto));
}
private string CreateCompaniesResourceUri(DtoParameters parameters,
ResourceUriType type)
{
switch (type)
{
case ResourceUriType.PreviousPage:
return(Url.Link(nameof(GetCompanies), new
{
pageInex = parameters.pageInex - 1,
pageSize = parameters.pageSize,
search = parameters.search
}));
case ResourceUriType.NextPage:
return(Url.Link(nameof(GetCompanies), new
{
pageInex = parameters.pageInex + 1,
pageSize = parameters.pageSize,
search = parameters.search
}));
case ResourceUriType.CurrentPage:
default:
return(Url.Link(nameof(GetCompanies), new
{
pageInex = parameters.pageInex,
pageSize = parameters.pageSize,
search = parameters.search
}));
}
}
public async Task <PageList <Company> > GetCompaniesAsync(DtoParameters dtoParameter)
{
if (dtoParameter == null)
{
throw new AggregateException(nameof(dtoParameter));
}
if (string.IsNullOrWhiteSpace(dtoParameter.search))
{
return(await PageList <Company> .CreateAsync(_context.Companies, dtoParameter.pageInex, dtoParameter.pageSize));
}
else
{
var search = dtoParameter.search?.Trim();
var queryExpression = _context.Companies.Where(c => c.Name.Contains(search) || c.Introduction.Contains(search));
return(await PageList <Company> .CreateAsync(queryExpression, dtoParameter.pageInex, dtoParameter.pageSize));
}
}
public IActionResult ValidateModelState([FromBody] DtoParameters p)
{
return(Ok(p));
}
