private List <string> TestAvailability(CreateEditScheduleVM schedule)
{
// Let's check if all data are available at the given day and times, starting with the teacher
Course course = new CoursesRepository().Course(schedule.CourseID);
if (course == null)
{
return(new List <string> {
"The selected course is invalid."
});
}
Schedule availability = repository.TeacherAvailability(course.TeacherID,
schedule.WeekDay,
schedule.BeginningTime.ToString(ScheduleConstants.TIME_FORMAT),
schedule.EndingTime.ToString(ScheduleConstants.TIME_FORMAT));
if (availability != null && availability.ID != schedule.ID)
{
return(new List <string> {
course.Teacher.ToString() + " is not available at the given day and times:",
availability.ToString()
});
}
// Then, we can check if the room is available
Classroom classroom = new ClassroomsRepository().Classroom(schedule.ClassroomID);
if (classroom == null)
{
return(new List <string> {
"The selected classroom is invalid."
});
}
availability = repository.ClassroomAvailability(schedule.ClassroomID,
schedule.WeekDay,
schedule.BeginningTime.ToString(ScheduleConstants.TIME_FORMAT),
schedule.EndingTime.ToString(ScheduleConstants.TIME_FORMAT));
if (availability != null && availability.ID != schedule.ID)
{
return(new List <string> {
"The classroom " + classroom.Name + " is not available at the given day and times:",
availability.ToString()
});
}
// Finally, let's check if all the students are available for the lesson
foreach (string studentId in schedule.Students)
{
availability = repository.StudentAvailability(studentId,
schedule.WeekDay,
schedule.BeginningTime.ToString(ScheduleConstants.TIME_FORMAT),
schedule.EndingTime.ToString(ScheduleConstants.TIME_FORMAT));
if (availability != null && availability.ID != schedule.ID)
{
return(new List <string> {
new UsersRepository().UserById(studentId).ToString() + " is not available at the given day and times:",
availability.ToString()
});
}
}
return(new List <string>());
}
