public async Task <ActionResult <IEnumerable <FullStudentResource> > > GetStudents(
[FromQuery] StudentFilterParameters filterParameters)
{
var studentDtoes = await _studentService.GetStudentsWithGroupNamesAsync(filterParameters);
var studentResources = studentDtoes
.Select(dto => _mapper.Map <FullStudentResource>(dto))
.ToList();
return(Ok(studentResources));
}
public async Task <IEnumerable <Student> > GetStudentsAsync(StudentFilterParameters filterParameters)
{
StudentFilter studentFilter = new(SchoolDbContext.Students, filterParameters);
return(await studentFilter
.ApplyFilter()
.Include(s => s.Groups)
.FilterByGroupName(filterParameters.GroupName)
.WithPagination(filterParameters)
.ToListAsync());
}
public static IQueryable <Student> WithPagination(
this IQueryable <Student> students,
StudentFilterParameters filterParameters
)
{
return(students
.OrderBy(s => s.Id)
.Skip(filterParameters.SkipCount)
.Take(filterParameters.PageSize == 0
? int.MaxValue
: filterParameters.PageSize));
}
public StudentFilter(IQueryable <Student> students, StudentFilterParameters filterParameters)
{
Query = students;
_filterParameters = filterParameters;
}
public async Task <IEnumerable <FullStudentDto> > GetStudentsWithGroupNamesAsync(StudentFilterParameters filterParameters)
{
var students = await _students.GetStudentsAsync(filterParameters);
var studentDtoes = students
.Select(student => _mapper.Map <FullStudentDto>(student));
if (filterParameters.PageSize != 0)
{
studentDtoes = studentDtoes.Take(filterParameters.PageSize);
}
return(studentDtoes.ToList());
}
