public async Task <ICommandResult <int> > HandleAsync(CourseCreateCommand command)
{
if (_context.Course.Any(x => String.Equals(x.Name.ToLower(), command.Name.ToLower())))
{
throw new Exception("This name is already used!");
}
var newCourse = new Course()
{
Name = command.Name,
MadeById = command.CreatedById,
Password = command.Password,
SpecializationId = command.SpecializationId
};
_context.Course.Add(newCourse);
await _context.SaveChangesAsync();
var privileges = new List <UserCoursePrivilege>()
{
new UserCoursePrivilege()
{
CourseId = newCourse.Id,
PrivilegeId = (int)PrivilegeEnum.CanManageCourse,
UserId = command.CreatedById
},
new UserCoursePrivilege()
{
CourseId = newCourse.Id,
PrivilegeId = (int)PrivilegeEnum.IsInvolvedWithCourse,
UserId = command.CreatedById
}
};
_context.Subscription.Add(new Subscription()
{
CourseId = newCourse.Id,
JoinedAt = DateTime.Now,
UserId = command.CreatedById,
Blacklisted = false
});
_context.UserCoursePrivilege.AddRange(privileges);
await _context.SaveChangesAsync();
return(CommandResult <int> .Success(newCourse.Id));
}
public async Task <IActionResult> CreateNewCourse(CourseCreateCommand command)
{
var newCourseId = await _commandBus.ExecuteAsync <int>(command);
return(Ok(newCourseId));
}
