public bool CreateInstructor(Instructor instructor, string userId)
{
try
{
if (!Instructors.Items.Any(x => x.Firstname == instructor.Firstname.Trim() && x.Surname == instructor.Surname.Trim()))
{
instructor.Firstname = instructor.Firstname.Trim();
instructor.Surname = instructor.Surname.Trim();
instructor.UserCreated = userId;
instructor.Order = Instructors.Items.Select(x => x.Order).DefaultIfEmpty(0).Max() + 1;
foreach (var l in instructor.Languages)
{
l.LanguageLevel = LanguageLevels.FindById(l.LanguageLevelId);
}
var languages = new List <InstructorLanguage>(instructor.Languages);
foreach (var l in languages)
{
if (instructor.Languages.Any(x => x.LanguageId == l.LanguageId && x.LanguageLevel.Level > l.LanguageLevel.Level))
{
instructor.Languages.Remove(l);
}
}
foreach (var e in instructor.Expertises)
{
e.ExpertiseLevel = ExpertiseLevels.FindById(e.ExpertiseLevelId);
}
var expertises = new List <InstructorExpertise>(instructor.Expertises);
foreach (var e in expertises)
{
if (instructor.Expertises.Any(x => x.ExpertiseId == e.ExpertiseId && x.ExpertiseLevel.Level > e.ExpertiseLevel.Level))
{
instructor.Expertises.Remove(e);
}
}
foreach (var ticket in instructor.Tickets)
{
ticket.From = ticket.From.Date;
ticket.To = ticket.To.Date;
}
Instructors.Add(instructor);
return(true);
}
}
catch (Exception e)
{
}
return(false);
}
public bool CreateExpertiseLevel(ExpertiseLevel expertiseLevel, string userId)
{
try
{
if (!ExpertiseLevels.Items.Any(x => x.Name == expertiseLevel.Name.Trim() && x.Shortname == expertiseLevel.Shortname.Trim() && x.Level == expertiseLevel.Level))
{
expertiseLevel.Name = expertiseLevel.Name.Trim();
expertiseLevel.Shortname = expertiseLevel.Shortname.Trim();
expertiseLevel.UserCreated = userId;
ExpertiseLevels.Add(expertiseLevel);
return(true);
}
}
catch (Exception e)
{
}
return(false);
}
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);
}
