<?php

class Person_model extends DB_Model
{
	/**
	 * 
	 */
	public function __construct()
	{
		parent::__construct();
		$this->dbTable = "public.tbl_person";
		$this->pk = "person_id";
	}
	
	public function getPersonKontaktByZugangscode($zugangscode, $email)
	{
		$this->addJoin("public.tbl_kontakt", "person_id");
		
		return $this->loadWhere(array("zugangscode" => $zugangscode, "kontakt" => $email));
	}

	/**
	 * 
	 */
	public function checkBewerbung($email, $studiensemester_kurzbz = null)
	{
		if (($chkRights = $this->isEntitled("public.tbl_person", "s", FHC_NORIGHT, FHC_MODEL_ERROR)) !== true)
			return $chkRights;
		if (($chkRights = $this->isEntitled("public.tbl_kontakt", "s", FHC_NORIGHT, FHC_MODEL_ERROR)) !== true)
			return $chkRights;
		if (($chkRights = $this->isEntitled("public.tbl_benutzer", "s", FHC_NORIGHT, FHC_MODEL_ERROR)) !== true)
			return $chkRights;
		if (($chkRights = $this->isEntitled("public.tbl_prestudent", "s", FHC_NORIGHT, FHC_MODEL_ERROR)) !== true)
			return $chkRights;
		if (($chkRights = $this->isEntitled("public.tbl_prestudentstatus", "s", FHC_NORIGHT, FHC_MODEL_ERROR)) !== true)
			return $chkRights;
		
		$result = null;
		$checkBewerbungQuery = "";
		$parametersArray = array($email, $email, $email);
		
		if (is_null($studiensemester_kurzbz))
		{
			$checkBewerbungQuery = "SELECT DISTINCT p.person_id, p.zugangscode, p.insertamum
 									  FROM public.tbl_person p JOIN public.tbl_kontakt k ON p.person_id = k.person_id
							     LEFT JOIN public.tbl_benutzer b ON p.person_id = b.person_id
								     WHERE k.kontakttyp = 'email'
									   AND (kontakt = ? OR alias || '@" . DOMAIN . "' = ? OR uid || '@" . DOMAIN . "' = ?)
								  ORDER BY p.insertamum DESC
								     LIMIT 1";
		}
		else
		{
			$checkBewerbungQuery = "SELECT DISTINCT p.person_id, p.zugangscode, p.insertamum
									  FROM public.tbl_person p JOIN public.tbl_kontakt k ON p.person_id = k.person_id
								 LEFT JOIN public.tbl_benutzer b ON p.person_id = b.person_id
									  JOIN public.tbl_prestudent ps ON p.person_id = ps.person_id
									  JOIN public.tbl_prestudentstatus pst ON pst.prestudent_id = ps.prestudent_id
									 WHERE k.kontakttyp = 'email'
									   AND (kontakt = ? OR alias || '@" . DOMAIN . "' = ? OR uid || '@" . DOMAIN . "' = ?)
									   AND studiensemester_kurzbz = ?
								  ORDER BY p.insertamum DESC
									 LIMIT 1";
			
			array_push($parametersArray, $studiensemester_kurzbz);
		}
		
		$result = $this->db->query($checkBewerbungQuery, $parametersArray);
		
		if (is_object($result))
			return $this->_success($result->result());
		else
			return $this->_error($this->db->error(), FHC_DB_ERROR);
	}
	
	public function updatePerson($person)
	{
		if (isset($person["svnr"]) && $person["svnr"] != "")
		{
			$this->PersonModel->addOrder("svnr", "DESC");
			$result =  $this->PersonModel->loadWhere(array(
				"person_id != " => $person["person_id"],
				"SUBSTRING(svnr FROM 1 FOR 10) = " => $person["svnr"])
			);
			if (is_object($result) && $result->error == EXIT_SUCCESS &&
				is_array($result->retval) && count($result->retval) > 0)
			{
				if (count($result->retval) == 1 && $result->retval[0]->svnr == $person["svnr"])
				{
					$person["svnr"] = $person["svnr"] . "v1";
				}
				else
				{
					$person["svnr"] = $person["svnr"] . "v" . ($result->retval[0]->svnr{11} + 1);
				}
			}
		}
		
		return $this->PersonModel->update($person["person_id"], $person);
	}
}