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313 lines
10 KiB
PHP
313 lines
10 KiB
PHP
<?php
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/**
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* Classe dedicata alla gestione delle procedure di aggiornamento del database del progetto.
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*
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* @since 2.3
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*/
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class Update
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{
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/** @var array Lista degli aggiornamenti da completare */
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protected static $updates;
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protected static function prepareToUpdate()
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{
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$database = Database::getConnection();
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$database_ready = $database->isConnected() && $database->fetchNum("SHOW TABLES LIKE 'updates'");
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// Individuazione di tutti gli aggiornamenti fisicamente presenti
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$results = [];
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// Aggiornamenti del gestionale
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$core = (array) glob(DOCROOT.'/update/*.{php,sql}', GLOB_BRACE);
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foreach ($core as $value) {
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$infos = pathinfo($value);
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$value = str_replace('_', '.', $infos['filename']);
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if (self::isVersion($value)) {
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$results[] = $value;
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}
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}
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// Aggiornamenti dei moduli
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$modules = (array) glob(DOCROOT.'/modules/*/update/*.{php,sql}', GLOB_BRACE);
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foreach ($modules as $value) {
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$infos = pathinfo($value);
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$module = end(explode('/', dirname($infos['dirname'])));
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$value = str_replace('_', '.', $infos['filename']);
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if (self::isVersion($value)) {
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$results[] = $module.'_'.$value;
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}
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}
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$results = array_unique($results);
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asort($results);
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// Individuazione di tutti gli aggiornamenti inseriti
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$updates = ($database_ready) ? $database->fetchArray('SELECT * FROM `updates`') : [];
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$versions = array_column($updates, 'version');
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$reset = count(array_intersect($results, $versions)) != count($results);
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if ($reset && $database->isConnected()) {
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// Individua le versioni che sono state installate, anche solo parzialmente
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$done = ($database_ready) ? $database->fetchArray('SELECT version, done FROM updates WHERE `done` IS NOT NULL') : [];
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// Reimpostazione della tabella degli aggiornamenti
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$create = DOCROOT.'/update/create_updates.sql';
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if (file_exists($create)) {
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$database->query('DROP TABLE IF EXISTS `updates`');
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$database->multiQuery($create);
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}
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// Inserimento degli aggiornamenti individuati
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foreach ($results as $result) {
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// Individuazione di script e sql
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$temp = explode('_', $result);
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$file = DOCROOT.((str_contains($result, '_')) ? '/modules/'.implode('_', explode('_', $result, -1)) : '').'/update/'.str_replace('.', '_', end($temp));
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$sql = file_exists($file.'.sql') ? 1 : 0;
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$script = file_exists($file.'.php') ? 1 : 0;
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// Reimpostazione degli stati per gli aggiornamenti precedentemente presenti
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$pos = array_search($result, $versions);
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$done = ($pos !== false) ? prepare($updates[$pos]['done']) : 'NULL';
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$database->query('INSERT INTO `updates` (`version`, `sql`, `script`, `done`) VALUES ('.prepare($result).', '.prepare($sql).', '.prepare($script).', '.$done.')');
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}
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// Normalizzazione di charset e collation
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self::normalizeDatabase($database->getDatabaseName());
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}
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}
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public static function getTodos()
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{
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if (!is_array(self::$updates)) {
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self::prepareToUpdate();
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$database = Database::getConnection();
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$updates = $database->isConnected() ? $database->fetchArray('SELECT * FROM `updates` WHERE `done` != 1 OR `done` IS NULL ORDER BY `done` DESC, `id` ASC') : [];
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foreach ($updates as $key => $value) {
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$updates[$key]['name'] = ucwords(str_replace('_', ' ', $value['version']));
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$temp = explode('_', $value['version']);
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$updates[$key]['filename'] = str_replace('.', '_', end($temp));
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$updates[$key]['directory'] = ((str_contains($value['version'], '_')) ? '/modules/'.implode('_', explode('_', $value['version'], -1)) : '').'/update/';
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}
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self::$updates = $updates;
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}
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return self::$updates;
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}
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public static function getUpdate()
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{
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if (!empty(self::getTodos())) {
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return self::getTodos()[0];
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}
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}
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public static function isVersion($string)
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{
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return preg_match('/^\d+(?:\.\d+)+$/', $string);
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}
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public static function isUpdateAvailable()
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{
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return !empty(self::getTodos());
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}
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public static function isUpdateCompleted()
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{
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return !self::isUpdateAvailable();
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}
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public static function isUpdateLocked()
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{
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$todos = array_column(self::getTodos(), 'done');
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foreach ($todos as $todo) {
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if ($todo !== null && $todo !== 1) {
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return true;
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}
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}
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return false;
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}
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public static function getDatabaseVersion()
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{
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$database = Database::getConnection();
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$results = $database->fetchArray("SELECT version FROM `updates` WHERE version NOT LIKE '%\_%' ORDER BY version DESC LIMIT 1");
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return $results[0]['version'];
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}
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public static function getVersion()
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{
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return self::getFile('VERSION');
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}
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public static function getRevision()
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{
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return self::getFile('REVISION');
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}
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protected static function getFile($file)
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{
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$file = (str_contains($file, DOCROOT.DIRECTORY_SEPARATOR)) ? $file : DOCROOT.DIRECTORY_SEPARATOR.$file;
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$result = '';
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$filepath = realpath($file);
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if (!empty($filepath)) {
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$result = file_get_contents($filepath);
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$result = str_replace(["\r\n", "\n"], '', $result);
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}
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return trim($result);
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}
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public static function updateCleanup()
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{
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if (self::isUpdateCompleted()) {
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$database = Database::getConnection();
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// Aggiornamento all'ultima release della versione e compatibilità moduli
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$database->query('UPDATE `zz_modules` SET `compatibility`='.prepare(self::getVersion()).', `version`='.prepare(self::getVersion()).' WHERE `default` = 1');
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// Normalizzazione di charset e collation
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self::normalizeDatabase($database->getDatabaseName());
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return true;
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}
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return false;
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}
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public static function doUpdate($rate = 20)
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{
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global $logger;
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set_time_limit(0);
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ignore_user_abort(true);
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if (!self::isUpdateCompleted()) {
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$update = self::getUpdate();
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$file = DOCROOT.$update['directory'].$update['filename'];
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$database = Database::getConnection();
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try {
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// Esecuzione query release
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if (!empty($update['sql']) && (!empty($update['done']) || is_null($update['done'])) && file_exists($file.'.sql')) {
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$queries = readSQLFile($file.'.sql', ';');
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$count = count($queries);
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$start = empty($update['done']) ? 0 : $update['done'] - 2;
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$end = ($start + $rate + 1) > $count ? $count : $start + $rate + 1;
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if ($start < $end) {
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for ($i = $start; $i < $end; ++$i) {
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$database->query($queries[$i], _('Aggiornamento fallito').': '.$queries[$i]);
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$database->query('UPDATE `updates` SET `done` = '.prepare($i + 3).' WHERE id = '.prepare($update['id']));
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}
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return [
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$start,
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$end,
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$count,
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];
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}
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}
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$database->query('UPDATE `updates` SET `done` = 0 WHERE id = '.prepare($update['id']));
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// Esecuzione script release
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if (!empty($update['script']) && file_exists($file.'.php')) {
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self::executeScript($file.'.php');
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}
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$database->query('UPDATE `updates` SET `done` = 1 WHERE id = '.prepare($update['id']));
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// Normalizzazione di charset e collation
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self::normalizeDatabase($database->getDatabaseName());
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return true;
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} catch (\Exception $e) {
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$logger->addRecord(\Monolog\Logger::EMERGENCY, $e->getMessage());
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}
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return false;
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}
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}
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protected static function normalizeDatabase($database_name)
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{
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set_time_limit(0);
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ignore_user_abort(true);
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$database = Database::getConnection();
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$mysql_ver = $database->getMySQLVersion();
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if (version_compare($mysql_ver, '5.5.3') >= 0) {
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$character_set = 'utf8mb4';
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$collation = 'utf8mb4_general_ci';
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} else {
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$character_set = 'utf8';
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$collation = 'utf8_general_ci';
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}
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// Normalizzazione del database (le nuove tabelle verranno automaticamente impostate secondo la codifica predefinita)
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$default_collation = $database->fetchArray('SELECT DEFAULT_COLLATION_NAME FROM information_schema.SCHEMATA WHERE SCHEMA_NAME = '.prepare($database_name).' LIMIT 1')[0]['DEFAULT_COLLATION_NAME'];
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if ($default_collation != $collation) {
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$database->query('ALTER DATABASE `'.$database_name.'` CHARACTER SET '.$character_set.' COLLATE '.$collation);
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}
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// Normalizzazione delle tabelle
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$tables = $database->fetchArray('SHOW TABLE STATUS IN `'.$database_name.'` WHERE Collation != '.prepare($collation)." AND Name != 'updates'");
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if (!empty($tables)) {
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$database->query('SET foreign_key_checks = 0');
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// Conversione delle tabelle
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foreach ($tables as $table) {
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$database->query('ALTER TABLE `'.$table['Name'].'` CONVERT TO CHARACTER SET '.$character_set.' COLLATE '.$collation);
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}
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$database->query('SET foreign_key_checks = 1');
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}
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// Normalizzazione dell'engine MySQL
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$engines = $database->fetchArray('SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = '.prepare($database_name)." AND ENGINE != 'InnoDB'");
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foreach ($engines as $engine) {
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$database->query('ALTER TABLE `'.$engine['TABLE_NAME'].'` ENGINE=InnoDB');
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}
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}
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protected static function executeScript($script)
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{
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include __DIR__.'/../../core.php';
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$database = $dbo;
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// Informazioni relative a MySQL
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$mysql_ver = $database->getMySQLVersion();
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include $script;
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}
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}
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