private string CreateTeachersResourceUri(TeachersResourceParameters teachersResourceParameters,
ResourceUriType resourceUriType)
{
switch (resourceUriType)
{
case ResourceUriType.PreviousPage:
return(Url.Link("GetTeachers",
new
{
pageNumber = teachersResourceParameters.PageNumber - 1,
pageSize = teachersResourceParameters.PageSize
//todo add search query
}));
case ResourceUriType.NextPage:
return(Url.Link("GetTeachers",
new
{
pageNumber = teachersResourceParameters.PageNumber + 1,
pageSize = teachersResourceParameters.PageSize
//todo add search query
}));
default:
return(Url.Link("GetTeachers",
new
{
pageNumber = teachersResourceParameters.PageNumber,
pageSize = teachersResourceParameters.PageSize
//todo add search query
}));
}
}
public PagedList <TeacherDto> GetAll(TeachersResourceParameters teachersResourceParameters)
{
var allTeachers = teachersRepository.All().To <TeacherDto>();
return(PagedList <TeacherDto> .Create(allTeachers
, teachersResourceParameters.PageNumber
, teachersResourceParameters.PageSize));
}
public IActionResult GetTeachers([FromQuery] TeachersResourceParameters resourceParameters)
{
ThrowHelper.ThrowIfNull(resourceParameters, nameof(resourceParameters));
var teachers = teachersService
.GetAll(resourceParameters);
if (teachers == null)
{
return(NoContent());
}
var previousPageLink = teachers.HasPrevious
?CreateTeachersResourceUri(resourceParameters,
ResourceUriType.PreviousPage).LowerCaseLink()
: null;
var nextPageLink = teachers.HasNext
? CreateTeachersResourceUri(resourceParameters,
ResourceUriType.NextPage).LowerCaseLink()
: null;
var paginationData = new
{
totalCount = teachers.TotalCount,
pageSize = teachers.PageSize,
currentPage = teachers.CurrentPage,
totalPages = teachers.TotalPages,
previousPageLink,
nextPageLink
};
Response.Headers.Add("X-Pagination",
JsonSerializer.Serialize(paginationData));
return(Ok(teachers.ShapeData(resourceParameters.Fields)));
}
