public bool CreateCourse(Course course, string userId)
{
try
{
if (course.From >= course.To)
{
return(false);
}
course.Name = course.Name.Trim();
course.UserCreated = userId;
foreach (var i in course.Instructors)
{
var instructor = Instructors.FindById(i.InstructorId);
if (!instructor.IsAvailable(course.From, course.To))
{
return(false);
}
if (!instructor.Rentals.Any(x => x.RentalId == course.RentalId))
{
return(false);
}
if (!instructor.HasExpertise(Expertises.FindById(course.ExpertiseId), ExpertiseLevels.FindById(course.ExpertiseLevelId)))
{
return(false);
}
if (course.LanguageId.HasValue && !instructor.HasLanguage(Languages.FindById(course.LanguageId.Value),
course.LanguageLevelId.HasValue? LanguageLevels.FindById(course.LanguageLevelId.Value) : null))
{
return(false);
}
}
Courses.Add(course);
return(true);
}
catch (Exception e)
{
}
return(false);
}
public bool CreateInstructorAvailability(InstructorAvailability availability, string userId)
{
try
{
var instructor = Instructors.FindById(availability.InstructorId);
if (availability.From < availability.To)
{
availability.UserCreated = userId;
instructor.Availabilities.Add(availability);
}
Instructors.Update(instructor);
return(true);
}
catch (Exception e)
{
}
return(false);
}
public bool CreateInstructorAvailability(ICollection <InstructorAvailability> availabilities, string userId)
{
try
{
if (availabilities.Any())
{
var instructor = Instructors.FindById(availabilities.FirstOrDefault().InstructorId);
foreach (var availability in availabilities)
{
if (availability.From < availability.To)
{
availability.UserCreated = userId;
instructor.Availabilities.Add(availability);
}
}
Instructors.Update(instructor);
return(true);
}
}
catch (Exception e)
{
}
return(false);
}