/**
* Permet de vérifier si un identifiant existe.
*
* @param id Identifiant d'un groupe.
* @return true si l'id existe, return flase si l'id n'existe pas.
*/
public boolean groupIDExists(long id) {
groupDao.init();
return groupDao.groupIdExists(id);
}
/**
* Retourne les personnes contenu dans une groupe.
*
* @return Les personnes appartenant au groupe.
*/
public Collection<Person> getGroupContent(long id) {
groupDao.init();
return groupDao.getContentGroup(id);
}
/**
* @param id Identifiant du groupe.
* @return l'objet Group.
*/
public Group getGroup(long id) {
groupDao.init();
return groupDao.getGroup(id);
}
/**
* Retourne la liste de toutes les groupes.
*
* @return Liste de toutes les groupes present dans l'annuaire.
*/
public Collection<Group> getAllGroups() {
groupDao.init();
List<Group> groups = groupDao.getAllGroups();
return groups;
}
/** Initialise la connexion a la base de donnes. */
@PostConstruct
public void init() {
groupDao.init();
}
private static void fillDatabase() {
Teacher teacher = new Teacher();
teacher.setFirstName("Ivan");
teacher.setLastName("Ivanov");
teacherDao.save(teacher);
Teacher teacher2 = new Teacher();
teacher2.setFirstName("Petr");
teacher2.setLastName("Petrov");
teacherDao.save(teacher2);
Group group = new Group();
group.setCreated(new Date());
group.setCurator(teacher);
group.setName("1");
groupDao.save(group);
Student student = new Student();
student.setBirthday(new Date());
student.setFirstName("stud1");
student.setLastName("stud1");
Group group1 = (Group) groupDao.list("1").toArray()[0];
student.setGroup(group1);
studentDao.save(student);
Student student2 = new Student();
student2.setBirthday(new Date());
student2.setFirstName("stud2");
student2.setLastName("stud2");
student2.setGroup(group1);
studentDao.save(student2);
Student student3 = new Student();
student3.setBirthday(new Date());
student3.setFirstName("stud3");
student3.setLastName("stud3");
student3.setGroup(group1);
studentDao.save(student3);
Lection lection = new Lection();
lection.setName("Math");
lectionDao.save(lection);
Lection lection1 = new Lection();
lection1.setName("Phisics");
lectionDao.save(lection1);
Lection lection2 = (Lection) lectionDao.list("Math").toArray()[0];
Teacher teacher3 = (Teacher) teacherDao.list("Ivan").toArray()[0];
GroupLection groupLection = new GroupLection();
groupLection.setDate(new Date());
groupLection.setGroup(group1);
groupLection.setLection(lection2);
groupLection.setTeacher(teacher3);
groupLectionDao.save(groupLection);
LossStudent lossStudent = new LossStudent();
lossStudent.setDate(new Date());
lossStudent.setGroup(group1);
lossStudent.setLection(lection2);
lossStudent.setStudent(student3);
lossStudent.setReason("sleeping");
lossStudentDao.save(lossStudent);
}