public async Task HandleAsync(UserUpdatePrivilegesCommand command)
{
var user = await _context
.User
.Include(t => t.UserCoursePrivilege)
.FirstOrDefaultAsync(x => x.Id == command.UserId);
var currentCoursePrivilegeIds = user.UserCoursePrivilege.Select(x => x.CourseId);
var res = currentCoursePrivilegeIds.Union(command.Courses).Except(currentCoursePrivilegeIds.Intersect(command.Courses)).ToList();
res.ForEach(x =>
{
if (currentCoursePrivilegeIds.Contains(x))
{
var privileges = _context.UserCoursePrivilege.Where(y => y.CourseId == x && y.UserId == command.UserId);
_context.UserCoursePrivilege.RemoveRange(privileges);
}
else
{
_context.UserCoursePrivilege.Add(new UserCoursePrivilege()
{
CourseId = x,
PrivilegeId = (int)PrivilegeEnum.IsInvolvedWithCourse,
UserId = command.UserId
});
}
});
await _context.SaveChangesAsync();
}
public async Task <IActionResult> UpdatePrivileges(UserUpdatePrivilegesCommand command)
{
await _commandBus.ExecuteAsync(command);
return(Ok());
}
