public async Task <Result> Execute(Student student, Guid courseId)
{
var courseResult = await _courseLoader.GetCourse(courseId);
Result result;
if (courseResult.IsSuccess)
{
Course course = courseResult;
result = course.RegisterStudent(student.Id);
if (result.IsSuccess)
{
result = await _courseLoader.UpdateCourse(course);
}
await _signUpNotifier.NotifyOfRegistrationOutcome(student, course, result.IsSuccess);
}
else
{
result = courseResult;
}
return(result);
}
public async Task <Result> Execute(Guid studentId, Guid courseId)
{
var courseResult = await _courseLoader.GetCourse(courseId);
Result result;
if (courseResult.IsSuccess)
{
Course course = courseResult;
result = course.RegisterStudent(studentId);
if (result.IsSuccess)
{
result = await _courseLoader.UpdateCourse(course);
}
}
else
{
result = courseResult;
}
return(result);
}