<?php 
namespace app\extends;

use User;
use Registry;


/** Classroom_user
 * 
 * extends (anom's) User
 * 
 * this way it specializes the UserManagement
 * according to this app's special rules
 * 
 * Add privileges concept
 * ---
 * A Class_user has privileges (which are deferent than Roles)
 * In fact, privileges extend the authorization requirements for users
 * 
 * Authorized content is marked with some 'minimum Privilege'
 * So the content is available to the READER(s) that have certain Privileges
 * 
 */
class Classroom_user extends User
{

    /** user id 
     * @var int
     */
    private $id;

    /** user privileges 
     * @var array
     */
    private $privileges = [];


    /** SETTERS AND GETTERS
     * for id and privileges attributes
     * -------------------------------------------------------------------------
     */

    /** getID
     * @return int
     */
    public function getID(): int
    {
        return $this->id;
    }

    /** setID()
     * 
     * @param int : user id
     * 
     * @return User
     */
    public function setID(int $id): self
    {
        $this->id = $id;
        return $this;
    }
    

    /** getPrivileges
     * 
     * @return privileges (array)
     */
    public function getPrivileges(): array
    {
        return $this->privileges;
    }

    
    /** setPrivileges()
     * 
     * @param array $privileges
     * 
     * @return User
     */
    public function setPrivileges(array $privileges): self
    {
        $this->privileges = $privileges;
        return $this;
    }


}