<?php
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class okladki {
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static function znajdz($KOD, $ISBN, $dir = 'covers') {
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if(strlen($KOD)<=8 && ctype_digit($KOD)) {
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validate::KOD($KOD);
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if(file_exists('./'.$dir.'/own/'.$KOD)) {
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return './'.$dir.'/own/'.$KOD;
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}
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}
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if(strlen($ISBN)==13) {
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validate::EAN($ISBN);
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if(substr($ISBN, 0, 3)=='978') {
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$ISBN10 = convert::ISBN13_to_ISBN10($ISBN);
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}
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else
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{
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$ISBN10 = $ISBN;
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}
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if(file_exists('./'.$dir.'/own/'.$ISBN)) {
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return './'.$dir.'/own/'.$ISBN;
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}
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if(self::librarything($ISBN, $dir)!==FALSE) {
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return './'.$dir.'/'.$ISBN;
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}
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}
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return FALSE;
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}
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static function librarything($ISBN, $dir = 'covers') {
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if(!function_exists('curl_init') || !config::$lt_api) {
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return FALSE;
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}
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// Okładkę już mamy
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if(file_exists('./'.$dir.'/'.$ISBN)) {
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if(filesize('./'.$dir.'/'.$ISBN)>0) {
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return NULL;
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}
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// Negatywne cache'owanie
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if(filesize('./'.$dir.'/'.$ISBN)==0 AND filemtime('./'.$dir.'/'.$ISBN)+(30*24*60*60) > time()) {
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return FALSE;
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}
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}
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$get = 'http://www.librarything.com/devkey/'.config::$lt_api.'/'.($dir=='covers_big' ? 'large' : 'small').'/isbn/'.$ISBN10;
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$curl = curl_init($get);
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curl_setopt($curl, CURLOPT_FOLLOWLOCATION, TRUE);
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curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);
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$img = @curl_exec($curl);
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$code = curl_getinfo($curl, CURLINFO_HTTP_CODE);
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$type = curl_getinfo($curl, CURLINFO_CONTENT_TYPE);
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if($code != 200 || substr($type, 0, 6) != 'image/' || $img == FALSE || strlen($img) < 100) {
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// Negatywne cache'owanie
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touch('./'.$dir.'/'.$ISBN);
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return FALSE;
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}
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else
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{
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file_put_contents('./'.$dir.'/'.$ISBN, $img);
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return TRUE;
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}
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}
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static function przenies($SKOD, $SISBN, $KOD, $ISBN) {
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foreach(array('covers', 'covers_big') as $where) {
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$nowaokl = self::znajdz($KOD, $ISBN, $where);
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if(!$nowaokl) {
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$staraokl = self::znajdz($SKOD, $SISBN, $where);
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if(!$staraokl) {
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continue;
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}
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if($nowaokl == $staraokl) {
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continue;
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}
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if(!empty($ISBN)) {
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if(strpos($staraokl, '/own/')) {
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rename($staraokl, './'.$where.'/own/'.$ISBN);
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}
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else
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{
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rename($staraokl, './'.$where.'/'.$ISBN);
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}
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}
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else
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{
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rename($staraokl, './'.$where.'/own/'.$KOD);
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}
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}
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}
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if($KOD != $SKOD) {
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self::usun($SKOD, '');
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}
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}
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static function usun($KOD, $ISBN) {
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if($ISBN) {
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@unlink('./covers/'.$ISBN);
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@unlink('./covers_big/'.$ISBN);
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@unlink('./covers/own/'.$ISBN);
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@unlink('./covers_big/own/'.$ISBN);
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}
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else
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{
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@unlink('./covers/own/'.$KOD);
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@unlink('./covers_big/own/'.$KOD);
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}
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}
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static function upload($files, $KOD, $ISBN) {
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if($ISBN) {
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$DANE = $ISBN;
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}
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else
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{
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$DANE = $KOD;
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}
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if(is_uploaded_file($files['tmp_name'])) {
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okladki::skaluj($files['tmp_name'], 500, 500, './covers_big/own/'.$DANE);
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okladki::skaluj($files['tmp_name'], 53, 80, './covers/own/'.$DANE);
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if(file_exists('./covers/'.$DANE)) {
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unlink('./covers/'.$DANE);
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}
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}
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}
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static function skaluj($file, $max_width, $max_height, $outfile) {
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list($width, $height, $type) = getimagesize($file);
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switch($type) {
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case IMAGETYPE_JPEG:
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$image = imagecreatefromjpeg($file);
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break;
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case IMAGETYPE_PNG:
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$image = imagecreatefrompng($file);
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break;
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case IMAGETYPE_GIF:
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$image = imagecreatefromgif($file);
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break;
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case IMAGETYPE_XBM:
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$image = imagecreatefromxpm($file);
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break;
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default:
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error::add('Nieznany format obrazka: '.$type.'!');
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return FALSE;
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break;
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}
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if ($width > $max_width OR $height > $max_height) {
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if($width*$max_height > $height*$max_width) {
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$new_width = $max_width;
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$new_height = round( ($new_width / $width) * $height );
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}
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else
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{
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$new_height = $max_height;
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$new_width = round( ($new_height / $height) * $width );
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}
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$new_image = imagecreatetruecolor($new_width, $new_height);
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imagecopyresampled($new_image, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
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return imagejpeg($new_image, $outfile, 100);
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}
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else
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{
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return imagejpeg($image, $outfile, 100);
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}
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}
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}
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?>
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