<?php
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class ksiazki_cache {
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static $cache = array();
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static function cache_get($kod) {
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$kod = (int)$kod;
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if(!isset(self::$cache[(int)$kod])) {
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self::cache_update($kod);
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}
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return self::$cache[(int)$kod];
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}
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static function cache_add($kod, &$dane) {
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self::$cache[(int)$kod] = $dane;
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}
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static function cache_addarray(&$dane) {
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foreach($dane as &$r) {
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self::cache_add($r['id'], $r);
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}
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}
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static function cache_clear($id=NULL) {
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if(is_null($id)) {
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self::$cache = array();
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}
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else
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{
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unset(self::$cache[(int)$id]);
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}
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}
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static function cache_update($kod) {
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$dane = db2::escape_data(sql::fetchone(sql::query('SELECT `ksiazki`.*, `pozycz`.`od`, `pozycz`.`kto` FROM `ksiazki` LEFT OUTER JOIN `pozycz` ON `pozycz`.`id`=`ksiazki`.`id` WHERE `ksiazki`.`id`='.sql::escape($kod))));
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self::cache_add($kod, $dane);
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}
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}
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class ksiazki extends ksiazki_cache {
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static function okladka($KOD, $ISBN) {
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return okladki::znajdz($KOD, $ISBN, 'covers');
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}
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static function okladka_big($KOD, $ISBN) {
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return okladki::znajdz($KOD, $ISBN, 'covers_big');
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}
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static function dodaj(&$dane) {
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validate::KOD($dane['id'], FALSE);
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if($dane['ISBN']) {
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$t = validate::type($dane['ISBN']);
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if($t!='ISBN') {
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error::add('W polu ISBN znajduje się '.$t);
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}
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}
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if($dane['ISSN']) {
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$t = validate::type($dane['ISSN']);
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if($t!='ISSN') {
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error::add('W polu ISSN znajduje się '.$t);
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}
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}
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if($dane['jezyk']=='pol') {
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$dane['jezyk'] = 'polski';
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}
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unset($_POST['okladka']);
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okladki::upload($_FILES['okladka'], $dane['id'], $dane['ISBN']);
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db2::add('ksiazki', $dane);
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self::cache_update($dane['id']);
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}
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static function exists($kod) {
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$info = self::cache_get($kod);
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if(isset($info['id'])) {
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return TRUE;
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}
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else
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{
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return FALSE;
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}
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}
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static function edytuj(&$dane) {
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validate::KOD($dane['id']);
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$kod = $dane['id'];
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$old = self::szukaj_KOD($kod);
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if($dane['id']=='' OR empty($dane['autor']) OR empty($dane['tytul']) OR empty($dane['jezyk'])) {
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error::add('Brak wymaganych danych o książce (kod, autor, tytuł, język)');
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}
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if($dane['nid']!='') {
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validate::KOD($dane['nid']);
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$dane['id'] = $dane['nid'];
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}
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unset($dane['nid']);
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if($dane['ISBN']) {
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$t = validate::type($dane['ISBN']);
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if($t!='ISBN') {
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error::add('W polu ISBN znajduje się '.$t);
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}
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}
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if($dane['ISSN']) {
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$t = validate::type($dane['ISSN']);
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if($t!='ISSN') {
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error::add('W polu ISSN znajduje się '.$t);
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}
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}
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if(!$dane['wycofana']) {
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$dane['wycofana'] = 0;
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$dane['powod'] = NULL;
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}
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okladki::przenies($old['id'], $old['ISBN'], $dane['id'], $dane['ISBN']);
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unset($_POST['okladka']);
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// Nowa okładka
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if(isset($_POST['okladka_del']) || (isset($_FILES['okladka']) && is_uploaded_file($_FILES['okladka']['tmp_name']))) {
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okladki::usun($dane['id'], $dane['ISBN']);
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unset($_POST['okladka_del']);
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}
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okladki::upload($_FILES['okladka'], $dane['id'], $dane['ISBN']);
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db2::edit('ksiazki', $dane, array('id' => $kod));
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self::cache_update($kod);
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if($dane['id']!=$kod) {
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self::cache_update($dane['id']);
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}
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}
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static function miejsce($regal, $polka, $rzad, $where) {
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db2::edit('ksiazki', array('regal' => strtoupper($regal), 'polka' => $polka, 'rzad' => $rzad), $where);
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self::cache_clear();
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}
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static function usun(&$kod) {
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validate::KOD($kod);
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$dane = self::szukaj_KOD($kod);
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okladki::usun($dane['id'], $dane['ISBN']);
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db2::del('ksiazki', array('id' => $kod));
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self::cache_clear($kod);
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}
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static function szukaj_KOD($kod) {
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validate::KOD($kod, TRUE);
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return self::cache_get($kod);
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}
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static function szukaj_ISBN($ISBN) {
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validate::EAN($ISBN);
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return db2::get('ksiazki', '*', array('ISBN' => $ISBN), NULL, 10);
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}
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static function szukaj_ISSN($ISSN) {
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validate::EAN($ISSN);
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return db2::get('ksiazki', '*', array('ISSN' => $ISSN), NULL, 10);
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}
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static function szukaj_info($dane, $order=NULL, $start=NULL, $limit=30) {
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$allow = array('id', 'tytul', 'autor', 'wydawnictwo', 'miejsce', 'rok', 'wydanie', 'wycofana');
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$replace = array('tytul' => 'tytul~~', 'autor' => 'autor~~', 'wydawnictwo' => 'wydawnictwo~~');
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$where = array();
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foreach($dane as $key => $value) {
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if(!in_array($key, $allow) OR $value==='') {
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continue;
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}
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if($replace[$key]) {
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$key = $replace[$key];
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}
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$where[$key] = $value;
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}
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if($where['id']) {
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validate::$kod = TRUE;
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switch(validate::type($where['id'])) {
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case 'ISBN':
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$where['ISBN'] = $where['id'];
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unset($where['id']);
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break;
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case 'ISSN':
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$where['ISSN'] = $where['id'];
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unset($where['id']);
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break;
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case 'MSC':
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$where['regal'] = $where['id'];
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if($dane['polka']) {
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$where['polka'] = $dane['polka'];
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}
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if($dane['rzad']) {
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$where['rzad'] = $dane['rzad'];
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}
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unset($where['id']);
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break;
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}
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validate::$kod = FALSE;
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}
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if(!$where['regal']) {
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unset($where['polka']);
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unset($where['rzad']);
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}
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if($where['id']) {
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$ret[] = self::szukaj_KOD($where['id']);
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$num = count($ret);
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}
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else
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{
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if($dane['do']) {
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$num = db2::num('pozycz', 'id');
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if($num == 0) {
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$ret = array();
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}
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else
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{
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$ret = db2::get(array('pozycz', array('J', 'ksiazki', 'USING', 'id')), '*', NULL, $order, $start, $limit);
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}
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}
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else
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{
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$num = db2::num('ksiazki', 'id', $where);
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if($num == 0) {
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$ret = array();
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}
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else
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{
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$where = db2::__combine_where($where, TRUE);
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$ret = db2::escape_data(sql::fetch(sql::query('SELECT `ksiazki`.*, `pozycz`.`od`, `pozycz`.`kto` FROM `ksiazki` LEFT OUTER JOIN `pozycz` ON `pozycz`.`id`=`ksiazki`.`id`'.(db2::revelance() ? ', '.db2::$revelance : '').' '.$where.db2::__combine_order($order, TRUE).db2::__combine_limit($start, $limit))));
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}
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}
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self::cache_addarray($ret);
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}
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return array($num, $ret, db2::revelance());
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}
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}
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?>
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