*/ define ("VERSION", "0.7.0beta"); define ("DB", "db"); date_default_timezone_set($config['default_timezone']); function useServerSideRendering () { global $config; return preg_match("/" . $config['cops_server_side_render'] . "/", $_SERVER['HTTP_USER_AGENT']); } function getURLParam ($name, $default = NULL) { if (!empty ($_GET) && isset($_GET[$name]) && $_GET[$name] != "") { return $_GET[$name]; } return $default; } function getCurrentOption ($option) { global $config; if (isset($_COOKIE[$option])) { return $_COOKIE[$option]; } if ($option == "style") { return "default"; } if (isset($config ["cops_" . $option])) { return $config ["cops_" . $option]; } return ""; } function getCurrentCss () { return "styles/style-" . getCurrentOption ("style") . ".css"; } function getUrlWithVersion ($url) { return $url . "?v=" . VERSION; } function xml2xhtml($xml) { return preg_replace_callback('#<(\w+)([^>]*)\s*/>#s', create_function('$m', ' $xhtml_tags = array("br", "hr", "input", "frame", "img", "area", "link", "col", "base", "basefont", "param"); return in_array($m[1], $xhtml_tags) ? "<$m[1]$m[2] />" : "<$m[1]$m[2]>$m[1]>"; '), $xml); } function display_xml_error($error) { $return .= str_repeat('-', $error->column) . "^\n"; switch ($error->level) { case LIBXML_ERR_WARNING: $return .= "Warning $error->code: "; break; case LIBXML_ERR_ERROR: $return .= "Error $error->code: "; break; case LIBXML_ERR_FATAL: $return .= "Fatal Error $error->code: "; break; } $return .= trim($error->message) . "\n Line: $error->line" . "\n Column: $error->column"; if ($error->file) { $return .= "\n File: $error->file"; } return "$return\n\n--------------------------------------------\n\n"; } function are_libxml_errors_ok () { $errors = libxml_get_errors(); foreach ($errors as $error) { if ($error->code == 801) return false; } return true; } function html2xhtml ($html) { $doc = new DOMDocument(); libxml_use_internal_errors(true); $doc->loadHTML('
' . $html . ''); // Load the HTML $output = $doc->saveXML($doc->documentElement); // Transform to an Ansi xml stream $output = xml2xhtml($output); if (preg_match ('#(.*)#ms', $output, $matches)) { $output = $matches [1]; // Remove } /* // In case of error with summary, use it to debug $errors = libxml_get_errors(); foreach ($errors as $error) { $output .= display_xml_error($error); } */ if (!are_libxml_errors_ok ()) $output = "HTML code not valid."; libxml_use_internal_errors(false); return $output; } /** * This method is a direct copy-paste from * http://tmont.com/blargh/2010/1/string-format-in-php */ function str_format($format) { $args = func_get_args(); $format = array_shift($args); preg_match_all('/(?=\{)\{(\d+)\}(?!\})/', $format, $matches, PREG_OFFSET_CAPTURE); $offset = 0; foreach ($matches[1] as $data) { $i = $data[0]; $format = substr_replace($format, @$args[$i], $offset + $data[1] - 1, 2 + strlen($i)); $offset += strlen(@$args[$i]) - 2 - strlen($i); } return $format; } /** * This method is based on this page * http://www.mind-it.info/2010/02/22/a-simple-approach-to-localization-in-php/ */ function localize($phrase, $count=-1, $reset=false) { if ($count == 0) $phrase .= ".none"; if ($count == 1) $phrase .= ".one"; if ($count > 1) $phrase .= ".many"; /* Static keyword is used to ensure the file is loaded only once */ static $translations = NULL; if ($reset) { $translations = NULL; } /* If no instance of $translations has occured load the language file */ if (is_null($translations)) { $lang = "en"; if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) { $lang = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2); } $lang_file_en = NULL; $lang_file = dirname(__FILE__). '/lang/Localization_' . $lang . '.json'; if (!file_exists($lang_file)) { $lang_file = dirname(__FILE__). '/lang/' . 'Localization_en.json'; } elseif ($lang != "en") { $lang_file_en = dirname(__FILE__). '/lang/' . 'Localization_en.json'; } $lang_file_content = file_get_contents($lang_file); /* Load the language file as a JSON object and transform it into an associative array */ $translations = json_decode($lang_file_content, true); /* Clean the array of all unfinished translations */ foreach (array_keys ($translations) as $key) { if (preg_match ("/^##TODO##/", $key)) { unset ($translations [$key]); } } if ($lang_file_en) { $lang_file_content = file_get_contents($lang_file_en); $translations_en = json_decode($lang_file_content, true); $translations = array_merge ($translations_en, $translations); } } if (array_key_exists ($phrase, $translations)) { return $translations[$phrase]; } return $phrase; } function addURLParameter($urlParams, $paramName, $paramValue) { if (empty ($urlParams)) { $urlParams = ""; } $start = ""; if (preg_match ("#^\?(.*)#", $urlParams, $matches)) { $start = "?"; $urlParams = $matches[1]; } $params = array(); parse_str($urlParams, $params); if (empty ($paramValue) && $paramValue != 0) { unset ($params[$paramName]); } else { $params[$paramName] = $paramValue; } return $start . http_build_query($params); } class Link { const OPDS_THUMBNAIL_TYPE = "http://opds-spec.org/image/thumbnail"; const OPDS_IMAGE_TYPE = "http://opds-spec.org/image"; const OPDS_ACQUISITION_TYPE = "http://opds-spec.org/acquisition"; const OPDS_NAVIGATION_TYPE = "application/atom+xml;profile=opds-catalog;kind=navigation"; const OPDS_PAGING_TYPE = "application/atom+xml;profile=opds-catalog;kind=acquisition"; public $href; public $type; public $rel; public $title; public $facetGroup; public $activeFacet; public function __construct($phref, $ptype, $prel = NULL, $ptitle = NULL, $pfacetGroup = NULL, $pactiveFacet = FALSE) { $this->href = $phref; $this->type = $ptype; $this->rel = $prel; $this->title = $ptitle; $this->facetGroup = $pfacetGroup; $this->activeFacet = $pactiveFacet; } public function hrefXhtml () { return $this->href; } } class LinkNavigation extends Link { public function __construct($phref, $prel = NULL, $ptitle = NULL) { parent::__construct ($phref, Link::OPDS_NAVIGATION_TYPE, $prel, $ptitle); if (!is_null (GetUrlParam (DB))) $this->href = addURLParameter ($this->href, DB, GetUrlParam (DB)); if (!preg_match ("#^\?(.*)#", $this->href) && !empty ($this->href)) $this->href = "?" . $this->href; if (preg_match ("/(bookdetail|getJSON).php/", $_SERVER["SCRIPT_NAME"])) { $this->href = "index.php" . $this->href; } else { $this->href = $_SERVER["SCRIPT_NAME"] . $this->href; } } } class LinkFacet extends Link { public function __construct($phref, $ptitle = NULL, $pfacetGroup = NULL, $pactiveFacet = FALSE) { parent::__construct ($phref, Link::OPDS_PAGING_TYPE, "http://opds-spec.org/facet", $ptitle, $pfacetGroup, $pactiveFacet); if (!is_null (GetUrlParam (DB))) $this->href = addURLParameter ($this->href, DB, GetUrlParam (DB)); $this->href = $_SERVER["SCRIPT_NAME"] . $this->href; } } class Entry { public $title; public $id; public $content; public $contentType; public $linkArray; public $localUpdated; private static $updated = NULL; public static $icons = array( Author::ALL_AUTHORS_ID => 'images/author.png', Serie::ALL_SERIES_ID => 'images/serie.png', Book::ALL_RECENT_BOOKS_ID => 'images/recent.png', Tag::ALL_TAGS_ID => 'images/tag.png', Language::ALL_LANGUAGES_ID => 'images/language.png', CustomColumn::ALL_CUSTOMS_ID => 'images/tag.png', "cops:books$" => 'images/allbook.png', "cops:books:letter" => 'images/allbook.png' ); public function getUpdatedTime () { if (!is_null ($this->localUpdated)) { return date (DATE_ATOM, $this->localUpdated); } if (is_null (self::$updated)) { self::$updated = time(); } return date (DATE_ATOM, self::$updated); } public function getNavLink () { foreach ($this->linkArray as $link) { if ($link->type != Link::OPDS_NAVIGATION_TYPE) { continue; } return $link->hrefXhtml (); } return "#"; } public function getContentArray () { return array ( "title" => $this->title, "content" => $this->content, "navlink" => $this->getNavLink () ); } public function __construct($ptitle, $pid, $pcontent, $pcontentType, $plinkArray) { global $config; $this->title = $ptitle; $this->id = $pid; $this->content = $pcontent; $this->contentType = $pcontentType; $this->linkArray = $plinkArray; if ($config['cops_show_icons'] == 1) { foreach (self::$icons as $reg => $image) { if (preg_match ("/" . $reg . "/", $pid)) { array_push ($this->linkArray, new Link (getUrlWithVersion ($image), "image/png", Link::OPDS_THUMBNAIL_TYPE)); break; } } } if (!is_null (GetUrlParam (DB))) $this->id = str_replace ("cops:", "cops:" . GetUrlParam (DB) . ":", $this->id); } } class EntryBook extends Entry { public $book; public function __construct($ptitle, $pid, $pcontent, $pcontentType, $plinkArray, $pbook) { parent::__construct ($ptitle, $pid, $pcontent, $pcontentType, $plinkArray); $this->book = $pbook; $this->localUpdated = $pbook->timestamp; } public function getContentArray () { $entry = array ( "title" => $this->title); $entry ["book"] = $this->book->getContentArray (); return $entry; } public function getCoverThumbnail () { foreach ($this->linkArray as $link) { if ($link->rel == Link::OPDS_THUMBNAIL_TYPE) return $link->hrefXhtml (); } return null; } public function getCover () { foreach ($this->linkArray as $link) { if ($link->rel == Link::OPDS_IMAGE_TYPE) return $link->hrefXhtml (); } return null; } } class Page { public $title; public $subtitle = ""; public $authorName = ""; public $authorUri = ""; public $authorEmail = ""; public $idPage; public $idGet; public $query; public $favicon; public $n; public $book; public $totalNumber = -1; public $entryArray = array(); public static function getPage ($pageId, $id, $query, $n) { switch ($pageId) { case Base::PAGE_ALL_AUTHORS : return new PageAllAuthors ($id, $query, $n); case Base::PAGE_AUTHORS_FIRST_LETTER : return new PageAllAuthorsLetter ($id, $query, $n); case Base::PAGE_AUTHOR_DETAIL : return new PageAuthorDetail ($id, $query, $n); case Base::PAGE_ALL_TAGS : return new PageAllTags ($id, $query, $n); case Base::PAGE_TAG_DETAIL : return new PageTagDetail ($id, $query, $n); case Base::PAGE_ALL_LANGUAGES : return new PageAllLanguages ($id, $query, $n); case Base::PAGE_LANGUAGE_DETAIL : return new PageLanguageDetail ($id, $query, $n); case Base::PAGE_ALL_CUSTOMS : return new PageAllCustoms ($id, $query, $n); case Base::PAGE_CUSTOM_DETAIL : return new PageCustomDetail ($id, $query, $n); case Base::PAGE_ALL_SERIES : return new PageAllSeries ($id, $query, $n); case Base::PAGE_ALL_BOOKS : return new PageAllBooks ($id, $query, $n); case Base::PAGE_ALL_BOOKS_LETTER: return new PageAllBooksLetter ($id, $query, $n); case Base::PAGE_ALL_RECENT_BOOKS : return new PageRecentBooks ($id, $query, $n); case Base::PAGE_SERIE_DETAIL : return new PageSerieDetail ($id, $query, $n); case Base::PAGE_OPENSEARCH_QUERY : return new PageQueryResult ($id, $query, $n); case Base::PAGE_BOOK_DETAIL : return new PageBookDetail ($id, $query, $n); case Base::PAGE_ABOUT : return new PageAbout ($id, $query, $n); case Base::PAGE_CUSTOMIZE : return new PageCustomize ($id, $query, $n); default: $page = new Page ($id, $query, $n); $page->idPage = "cops:catalog"; return $page; } } public function __construct($pid, $pquery, $pn) { global $config; $this->idGet = $pid; $this->query = $pquery; $this->n = $pn; $this->favicon = $config['cops_icon']; $this->authorName = empty($config['cops_author_name']) ? utf8_encode('Sébastien Lucas') : $config['cops_author_name']; $this->authorUri = empty($config['cops_author_uri']) ? 'http://blog.slucas.fr' : $config['cops_author_uri']; $this->authorEmail = empty($config['cops_author_email']) ? 'sebastien@slucas.fr' : $config['cops_author_email']; } public function InitializeContent () { global $config; $this->title = $config['cops_title_default']; $this->subtitle = $config['cops_subtitle_default']; $database = GetUrlParam (DB); if (is_array ($config['calibre_directory']) && is_null ($database)) { $i = 0; foreach (array_keys ($config['calibre_directory']) as $key) { $nBooks = Book::getBookCount ($i); array_push ($this->entryArray, new Entry ($key, "cops:{$i}:catalog", str_format (localize ("bookword", $nBooks), $nBooks), "text", array ( new LinkNavigation ("?" . DB . "={$i}")))); $i++; Base::clearDb (); } } else { array_push ($this->entryArray, Author::getCount()); $series = Serie::getCount(); if (!is_null ($series)) array_push ($this->entryArray, $series); $tags = Tag::getCount(); if (!is_null ($tags)) array_push ($this->entryArray, $tags); $languages = Language::getCount(); if (!is_null ($languages)) array_push ($this->entryArray, $languages); foreach ($config['cops_calibre_custom_column'] as $lookup) { $customId = CustomColumn::getCustomId ($lookup); if (!is_null ($customId)) { array_push ($this->entryArray, CustomColumn::getCount($customId)); } } $this->entryArray = array_merge ($this->entryArray, Book::getCount()); if (!is_null ($database)) $this->title = Base::getDbName (); } } public function isPaginated () { return (getCurrentOption ("max_item_per_page") != -1 && $this->totalNumber != -1 && $this->totalNumber > getCurrentOption ("max_item_per_page")); } public function getNextLink () { $currentUrl = $_SERVER['QUERY_STRING']; $currentUrl = preg_replace ("/\&n=.*?$/", "", "?" . $_SERVER['QUERY_STRING']); if (($this->n) * getCurrentOption ("max_item_per_page") < $this->totalNumber) { return new LinkNavigation ($currentUrl . "&n=" . ($this->n + 1), "next", localize ("paging.next.alternate")); } return NULL; } public function getPrevLink () { $currentUrl = $_SERVER['QUERY_STRING']; $currentUrl = preg_replace ("/\&n=.*?$/", "", "?" . $_SERVER['QUERY_STRING']); if ($this->n > 1) { return new LinkNavigation ($currentUrl . "&n=" . ($this->n - 1), "previous", localize ("paging.previous.alternate")); } return NULL; } public function getMaxPage () { return ceil ($this->totalNumber / getCurrentOption ("max_item_per_page")); } public function containsBook () { if (count ($this->entryArray) == 0) return false; if (get_class ($this->entryArray [0]) == "EntryBook") return true; return false; } } class PageAllAuthors extends Page { public function InitializeContent () { global $config; $this->title = localize("authors.title"); if ($config['cops_author_split_first_letter'] == 1) { $this->entryArray = Author::getAllAuthorsByFirstLetter(); } else { $this->entryArray = Author::getAllAuthors(); } $this->idPage = Author::ALL_AUTHORS_ID; } } class PageAllAuthorsLetter extends Page { public function InitializeContent () { $this->idPage = Author::getEntryIdByLetter ($this->idGet); $this->entryArray = Author::getAuthorsByStartingLetter ($this->idGet); $this->title = str_format (localize ("splitByLetter.letter"), str_format (localize ("authorword", count ($this->entryArray)), count ($this->entryArray)), $this->idGet); } } class PageAuthorDetail extends Page { public function InitializeContent () { $author = Author::getAuthorById ($this->idGet); $this->idPage = $author->getEntryId (); $this->title = $author->name; list ($this->entryArray, $this->totalNumber) = Book::getBooksByAuthor ($this->idGet, $this->n); } } class PageAllTags extends Page { public function InitializeContent () { $this->title = localize("tags.title"); $this->entryArray = Tag::getAllTags(); $this->idPage = Tag::ALL_TAGS_ID; } } class PageAllLanguages extends Page { public function InitializeContent () { $this->title = localize("languages.title"); $this->entryArray = Language::getAllLanguages(); $this->idPage = Language::ALL_LANGUAGES_ID; } } class PageCustomDetail extends Page { public function InitializeContent () { $customId = getURLParam ("custom", NULL); $custom = CustomColumn::getCustomById ($customId, $this->idGet); $this->idPage = $custom->getEntryId (); $this->title = $custom->name; list ($this->entryArray, $this->totalNumber) = Book::getBooksByCustom ($customId, $this->idGet, $this->n); } } class PageAllCustoms extends Page { public function InitializeContent () { $customId = getURLParam ("custom", NULL); $this->title = CustomColumn::getAllTitle ($customId); $this->entryArray = CustomColumn::getAllCustoms($customId); $this->idPage = CustomColumn::getAllCustomsId ($customId); } } class PageTagDetail extends Page { public function InitializeContent () { $tag = Tag::getTagById ($this->idGet); $this->idPage = $tag->getEntryId (); $this->title = $tag->name; list ($this->entryArray, $this->totalNumber) = Book::getBooksByTag ($this->idGet, $this->n); } } class PageLanguageDetail extends Page { public function InitializeContent () { $language = Language::getLanguageById ($this->idGet); $this->idPage = $language->getEntryId (); $this->title = $language->lang_code; list ($this->entryArray, $this->totalNumber) = Book::getBooksByLanguage ($this->idGet, $this->n); } } class PageAllSeries extends Page { public function InitializeContent () { $this->title = localize("series.title"); $this->entryArray = Serie::getAllSeries(); $this->idPage = Serie::ALL_SERIES_ID; } } class PageSerieDetail extends Page { public function InitializeContent () { $serie = Serie::getSerieById ($this->idGet); $this->title = $serie->name; list ($this->entryArray, $this->totalNumber) = Book::getBooksBySeries ($this->idGet, $this->n); $this->idPage = $serie->getEntryId (); } } class PageAllBooks extends Page { public function InitializeContent () { $this->title = localize ("allbooks.title"); if (getCurrentOption ("titles_split_first_letter") == 1) { $this->entryArray = Book::getAllBooks(); } else { list ($this->entryArray, $this->totalNumber) = Book::getBooks ($this->n); } $this->idPage = Book::ALL_BOOKS_ID; } } class PageAllBooksLetter extends Page { public function InitializeContent () { list ($this->entryArray, $this->totalNumber) = Book::getBooksByStartingLetter ($this->idGet, $this->n); $this->idPage = Book::getEntryIdByLetter ($this->idGet); $count = $this->totalNumber; if ($count == -1) $count = count ($this->entryArray); $this->title = str_format (localize ("splitByLetter.letter"), str_format (localize ("bookword", $count), $count), $this->idGet); } } class PageRecentBooks extends Page { public function InitializeContent () { $this->title = localize ("recent.title"); $this->entryArray = Book::getAllRecentBooks (); $this->idPage = Book::ALL_RECENT_BOOKS_ID; } } class PageQueryResult extends Page { const SCOPE_TAG = "tag"; const SCOPE_SERIES = "series"; const SCOPE_AUTHOR = "author"; const SCOPE_BOOK = "book"; public function InitializeContent () { global $config; $scope = getURLParam ("scope"); switch ($scope) { case self::SCOPE_AUTHOR : $this->title = str_format (localize ("search.result.author"), $this->query); break; case self::SCOPE_TAG : $this->title = str_format (localize ("search.result.tag"), $this->query); break; case self::SCOPE_SERIES : $this->title = str_format (localize ("search.result.series"), $this->query); break; case self::SCOPE_BOOK : $this->title = str_format (localize ("search.result.book"), $this->query); break; default: $this->title = str_format (localize ("search.result"), $this->query); } $crit = "%" . $this->query . "%"; $bad = "QQQQQ"; // Special case when we are doing a search and no database is selected if (is_array ($config['calibre_directory']) && is_null (GetUrlParam (DB))) { $i = 0; foreach ($config['calibre_directory'] as $key => $value) { Base::clearDb (); list ($array, $totalNumber) = Book::getBooksByQuery (array ($crit, $crit, $crit, $crit), $this->n, $i); array_push ($this->entryArray, new Entry ($key, DB . ":query:{$i}", str_format (localize ("bookword", count($array)), count($array)), "text", array ( new LinkNavigation ("?" . DB . "={$i}&page=9&query=" . $this->query)))); $i++; } return; } switch ($scope) { case self::SCOPE_AUTHOR : $this->entryArray = Author::getAuthorsByStartingLetter ('%' . $this->query); break; case self::SCOPE_TAG : list ($this->entryArray, $this->totalNumber) = Tag::getAllTagsByQuery ($this->query, -1); break; case self::SCOPE_SERIES : $this->entryArray = Serie::getAllSeriesByQuery ($this->query); break; case self::SCOPE_BOOK : list ($this->entryArray, $this->totalNumber) = Book::getBooksByQuery ( array ($bad, $bad, $bad, $crit), $this->n); break; default: list ($this->entryArray, $this->totalNumber) = Book::getBooksByQuery ( array ($crit, $crit, $crit, $crit), $this->n); } } } class PageBookDetail extends Page { public function InitializeContent () { $this->book = Book::getBookById ($this->idGet); $this->title = $this->book->title; } } class PageAbout extends Page { public function InitializeContent () { $this->title = localize ("about.title"); } } class PageCustomize extends Page { public function InitializeContent () { $this->title = localize ("customize.title"); $this->entryArray = array (); $use_fancybox = ""; if (getCurrentOption ("use_fancyapps") == 1) { $use_fancybox = "checked='checked'"; } $html_tag_filter = ""; if (getCurrentOption ("html_tag_filter") == 1) { $html_tag_filter = "checked='checked'"; } $content = ""; if (!preg_match("/(Kobo|Kindle\/3.0|EBRD1101)/", $_SERVER['HTTP_USER_AGENT'])) { $content .= ''; } array_push ($this->entryArray, new Entry (localize ("customize.style"), "", $content, "text", array ())); if (!useServerSideRendering ()) { $content = ''; array_push ($this->entryArray, new Entry (localize ("customize.fancybox"), "", $content, "text", array ())); } $content = ''; array_push ($this->entryArray, new Entry (localize ("customize.paging"), "", $content, "text", array ())); $content = ''; array_push ($this->entryArray, new Entry (localize ("customize.email"), "", $content, "text", array ())); $content = ''; array_push ($this->entryArray, new Entry (localize ("customize.filter"), "", $content, "text", array ())); } } abstract class Base { const PAGE_INDEX = "index"; const PAGE_ALL_AUTHORS = "1"; const PAGE_AUTHORS_FIRST_LETTER = "2"; const PAGE_AUTHOR_DETAIL = "3"; const PAGE_ALL_BOOKS = "4"; const PAGE_ALL_BOOKS_LETTER = "5"; const PAGE_ALL_SERIES = "6"; const PAGE_SERIE_DETAIL = "7"; const PAGE_OPENSEARCH = "8"; const PAGE_OPENSEARCH_QUERY = "9"; const PAGE_ALL_RECENT_BOOKS = "10"; const PAGE_ALL_TAGS = "11"; const PAGE_TAG_DETAIL = "12"; const PAGE_BOOK_DETAIL = "13"; const PAGE_ALL_CUSTOMS = "14"; const PAGE_CUSTOM_DETAIL = "15"; const PAGE_ABOUT = "16"; const PAGE_ALL_LANGUAGES = "17"; const PAGE_LANGUAGE_DETAIL = "18"; const PAGE_CUSTOMIZE = "19"; const COMPATIBILITY_XML_ALDIKO = "aldiko"; private static $db = NULL; public static function isMultipleDatabaseEnabled () { global $config; return is_array ($config['calibre_directory']); } public static function getDbList () { global $config; if (is_array ($config['calibre_directory'])) { return $config['calibre_directory']; } else { return array ("" => $config['calibre_directory']); } } public static function getDbName ($database = NULL) { global $config; if (is_array ($config['calibre_directory'])) { if (is_null ($database)) $database = GetUrlParam (DB, 0); $array = array_keys ($config['calibre_directory']); return $array[$database]; } return ""; } public static function getDbDirectory ($database = NULL) { global $config; if (is_array ($config['calibre_directory'])) { if (is_null ($database)) $database = GetUrlParam (DB, 0); $array = array_values ($config['calibre_directory']); return $array[$database]; } return $config['calibre_directory']; } public static function getDbFileName ($database = NULL) { return self::getDbDirectory ($database) .'metadata.db'; } private static function error () { header("location: checkconfig.php?err=1"); exit(); } public static function getDb ($database = NULL) { if (is_null (self::$db)) { try { if (is_readable (self::getDbFileName ($database))) { self::$db = new PDO('sqlite:'. self::getDbFileName ($database)); } else { self::error (); } } catch (Exception $e) { self::error (); } } return self::$db; } public static function clearDb () { self::$db = NULL; } public static function executeQuery($query, $columns, $filter, $params, $n, $database = NULL, $numberPerPage = NULL) { $totalResult = -1; if (is_null ($numberPerPage)) { $numberPerPage = getCurrentOption ("max_item_per_page"); } if ($numberPerPage != -1 && $n != -1) { // First check total number of results $result = self::getDb ($database)->prepare (str_format ($query, "count(*)", $filter)); $result->execute ($params); $totalResult = $result->fetchColumn (); // Next modify the query and params $query .= " limit ?, ?"; array_push ($params, ($n - 1) * $numberPerPage, $numberPerPage); } $result = self::getDb ($database)->prepare(str_format ($query, $columns, $filter)); $result->execute ($params); return array ($totalResult, $result); } }