<?php

class Dokumentprestudent_model extends DB_Model
{
	/**
	 * Constructor
	 */
	public function __construct()
	{
		parent::__construct();
		$this->dbTable = 'public.tbl_dokumentprestudent';
		$this->pk = array('prestudent_id', 'dokument_kurzbz');
		$this->hasSequence = false;
	}

	/**
	 * setAccepted
	 */
	public function setAccepted($prestudent_id, $studiengang_kz)
	{
		$result = null;

		if (is_numeric($prestudent_id) && is_numeric($studiengang_kz))
		{
			$query = 'INSERT INTO public.tbl_dokumentprestudent (dokument_kurzbz, prestudent_id, insertamum) (
					SELECT ds.dokument_kurzbz,
							p.prestudent_id,
							NOW() AS insertamum
						FROM (SELECT DISTINCT person_id, dokument_kurzbz FROM public.tbl_akte) a
				INNER JOIN public.tbl_prestudent p USING(person_id)
				INNER JOIN public.tbl_dokumentstudiengang ds USING(dokument_kurzbz, studiengang_kz)
				LEFT JOIN public.tbl_dokumentprestudent dp USING(dokument_kurzbz, prestudent_id)
					WHERE ds.onlinebewerbung IS TRUE
						AND (dp.dokument_kurzbz IS NULL AND dp.prestudent_id IS NULL)
						AND p.prestudent_id = ?
						AND ds.studiengang_kz = ?
					)';

			$result = $this->execQuery($query, array($prestudent_id, $studiengang_kz));
		}

		return $result;
	}

	/**
	 * setAcceptedDocuments
	 */
	public function setAcceptedDocuments($prestudent_id, $dokument_kurzbz)
	{
		$result = null;

		if (is_numeric($prestudent_id) && is_array($dokument_kurzbz) && count($dokument_kurzbz) > 0)
		{
			$query = 'INSERT INTO public.tbl_dokumentprestudent (dokument_kurzbz, prestudent_id, insertamum) (
						SELECT d.dokument_kurzbz,
								? AS prestudent_id,
								NOW() AS insertamum
						  FROM public.tbl_dokument d
				 		 WHERE d.dokument_kurzbz IN ?
						   AND d.dokument_kurzbz NOT IN (
								SELECT dokument_kurzbz
								  FROM public.tbl_dokumentprestudent
								 WHERE prestudent_id = ?
							)
					)';

			$result = $this->execQuery($query, array($prestudent_id, $dokument_kurzbz, $prestudent_id));
		}

		return $result;
	}

	/**
	 * Loads all Documents of Prestudent, already submitted
	 * @param integer prestudent_id
	 * @param boolean archivdokumente Default true. if false, archivable Documents (tbl_vorlage.archivierbar zB Zeugnis, Bescheid, ...) not retrieved
	 * @return Array of Documents || error
	 */
	public function getPrestudentDokumente($prestudent_id, $archivdokumente = true)
	{
		$parametersArray = array($prestudent_id);

		$qry = "SELECT
				  d.bezeichnung,
				  d.dokument_kurzbz,
				  dp.datum as Docdatum,
				  dp.mitarbeiter_uid as DocMitarbeiter_uid,
				  dp.insertamum as Docinsertamum,
				  dp.prestudent_id,
				  CONCAT(p.vorname, ' ', p.nachname) as insertvonma
				FROM
				  public.tbl_dokumentprestudent dp
				  JOIN public.tbl_dokument d USING(dokument_kurzbz)
				  LEFT JOIN public.tbl_vorlage v ON (d.dokument_kurzbz = v.vorlage_kurzbz)
				  LEFT JOIN public.tbl_benutzer bn ON (bn.uid = dp.mitarbeiter_uid)
				  LEFT JOIN public.tbl_person p ON (p.person_id = bn.person_id)
				WHERE
				  prestudent_id = ?";

		if(!$archivdokumente)
		{
			$qry.="	AND (v.archivierbar = FALSE OR v.archivierbar IS NULL)";
		}

		$qry.=" ORDER BY d.bezeichnung ASC";

		return $this->execQuery($qry, $parametersArray);
	}
}