public async Task <ThesisDTO> CreateThesisIfNeeded(string professorId)
{
try
{
ThesisDTO exists = await _context.Theses
.Where(t => t.Professor.Id == professorId && t.Title == null)
.Include(t => t.Professor)
.FirstOrDefaultAsync();
if (exists != null)
{
return(exists);
}
FacultyProfessor prof = new FacultyProfessor {
Id = professorId
};
_context.Attach(prof);
Thesis newThesis = new Thesis {
Professor = prof, DateCreated = DateTime.Now
};
_context.Theses.Add(newThesis);
await _context.SaveChangesAsync();
return(newThesis);
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
return(null);
}
}
public async Task <bool> ApproveRequest(int requestId)
{
try
{
Request request = await _context.Requests
.Include(r => r.Thesis)
.ThenInclude(t => t.Professor)
.Where(r => r.Id == requestId && r.Status == (int)RequestStatus.Pending)
.FirstOrDefaultAsync();
if (request.Thesis.Professor.Id != RequesterId)
{
return(false);
}
request.Status = (int)RequestStatus.Accepted;
_context.Requests.Update(request);
IEnumerable <Request> toDeny = await _context.Requests
.Where(r => r.ThesisId == request.ThesisId && r.Id != requestId && r.Status == (int)RequestStatus.Pending)
.ToArrayAsync();
foreach (Request r in toDeny)
{
r.Status = (int)RequestStatus.TakenBySomeoneElse;
}
Thesis thesis = await _context.Theses.FindAsync(request.ThesisId);
thesis.DateTaken = DateTime.Now;
FacultyStudent assignedStudent = await _context.FacultyStudents.FindAsync(request.StudentId);
assignedStudent.AsignedThesis = thesis;
_context.FacultyStudents.Update(assignedStudent);
_context.Theses.Update(thesis);
await _context.SaveChangesAsync();
return(true);
}
catch (Exception ex)
{
_logger.LogInformation("Failed denying request: " + ex.Message);
return(false);
}
}
public async Task <bool> AddProfessorToSubject(string professorId, int subjectId)
{
try
{
ProfessorSubject professorSubject = new ProfessorSubject {
ProfessorId = professorId, SubjectId = subjectId
};
_context.Attach(new FacultyProfessor {
Id = professorId
});
_context.Attach(new Subject {
Id = subjectId
});
_context.ProfessorSubjects.Add(professorSubject);
await _context.SaveChangesAsync();
return(true);
}
catch (Exception ex)
{
return(false);
}
}
