public async Task <bool> Handle(UpdateClassroomCommand request, CancellationToken cancellationToken)
{
if (request.Id <= 0)
{
throw new Exception("Invalid Id to update.");
}
Classroom classroom = await _context.Classrooms.FindAsync(request.Id);
if (request.StudentIds.Any())
{
classroom.StudentClassrooms = new List <StudentClassroom>();
foreach (int studentId in request.StudentIds)
{
classroom.StudentClassrooms.Add(new StudentClassroom
{
StudentId = studentId
});
}
_context.Classrooms.Update(classroom);
return(await _context.Commit() > 0);
}
return(false);
}
public async Task <ClassroomDto> Handle(CreateClassroomCommand request, CancellationToken cancellationToken)
{
// do some kind of checks that make sense...
Classroom classroom = _mapper.Map <CreateClassroomCommand, Classroom>(request);
if (request.StudentIds.Any())
{
classroom.StudentClassrooms = new List <StudentClassroom>();
foreach (int studentId in request.StudentIds)
{
classroom.StudentClassrooms.Add(new StudentClassroom
{
StudentId = studentId
});
}
}
await _context.Classrooms.AddAsync(classroom);
int success = await _context.Commit();
if (success <= 0)
{
throw new Exception("Cannot save database changes.");
}
return(_mapper.Map <Classroom, ClassroomDto>(classroom));
}
public async Task <bool> Handle(DeleteTeacherCommand request, CancellationToken cancellationToken)
{
if (request.Id <= 0)
{
throw new Exception("Invalid Id.");
}
var entity = await _context.Teachers.FindAsync(request.Id);
if (entity == null)
{
return(false);
}
_context.Teachers.Remove(entity);
int success = await _context.Commit();
return(success > 0);
}
public async Task <TeacherDto> Handle(CreateTeacherCommand request, CancellationToken cancellationToken)
{
// do some kind of checks that make sense...
Teacher teacher = _mapper.Map <CreateTeacherCommand, Teacher>(request);
await _context.Teachers.AddAsync(teacher);
int success = await _context.Commit();
if (success <= 0)
{
throw new Exception("Cannot save database changes.");
}
return(_mapper.Map <Teacher, TeacherDto>(teacher));
}