public async Task <ResultMessage <StudentDTO> > GetStudentById(int studentId)
{
StudentDTO student = await GetSingleOrDefault(x => x.StudentId == studentId);
if (student == null)
{
return(new ResultMessage <StudentDTO>(OperationStatus.NotFound));
}
if (student.Deleted)
{
student = new DeletedStudentDTO(student);
}
return(new ResultMessage <StudentDTO>(student));
}
/// <summary>
/// Retuns list of chat messages with specific details.
/// </summary>
/// <param name="offset">Number of elements to skip</param>
/// <param name="limit">Number of elements to take</param>
public async Task <List <ChatMessageDTO> > GetWithDetails(int offset, int limit)
{
List <ChatMessageDTO> messages = await GetRange(offset, limit, condition : x => !x.Deleted, sortKeySelector : x => x.SentOn);
foreach (ChatMessageDTO message in messages)
{
StudentDTO student = await _studentService.GetSingleOrDefault(x => x.StudentId == message.StudentId);
if (student.Deleted)
{
student = new DeletedStudentDTO(student);
}
message.StudentInitials = student.Initials;
message.Username = student.Username;
message.Privilege = student.Privilege;
}
return(messages);
}
