270 lines
8.3 KiB
PHP
270 lines
8.3 KiB
PHP
<?php
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namespace Friendica\Core;
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use Friendica\Database\DBA;
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use Friendica\Database\DBStructure;
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use Friendica\Util\Strings;
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class Update
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{
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const SUCCESS = 0;
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const FAILED = 1;
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/**
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* @brief Function to check if the Database structure needs an update.
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*
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* @param boolean $via_worker boolean Is the check run via the worker?
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*/
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public static function check($via_worker)
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{
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$build = Config::get('system', 'build');
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if (empty($build)) {
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Config::set('system', 'build', DB_UPDATE_VERSION - 1);
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$build = DB_UPDATE_VERSION - 1;
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}
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// We don't support upgrading from very old versions anymore
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if ($build < NEW_UPDATE_ROUTINE_VERSION) {
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die('You try to update from a version prior to database version 1170. The direct upgrade path is not supported. Please update to version 3.5.4 before updating to this version.');
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}
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if ($build < DB_UPDATE_VERSION) {
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// When we cannot execute the database update via the worker, we will do it directly
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if (!Worker::add(PRIORITY_CRITICAL, 'DBUpdate') && $via_worker) {
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self::run();
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}
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}
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}
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/**
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* Automatic database updates
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*
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* @param bool $force Force the Update-Check even if the lock is set
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* @param bool $verbose Run the Update-Check verbose
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* @param bool $sendMail Sends a Mail to the administrator in case of success/failure
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*
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* @return string Empty string if the update is successful, error messages otherwise
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*/
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public static function run($force = false, $verbose = false, $sendMail = true)
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{
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// In force mode, we release the dbupdate lock first
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// Necessary in case of an stuck update
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if ($force) {
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Lock::release('dbupdate');
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}
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$build = Config::get('system', 'build');
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if (empty($build) || ($build > DB_UPDATE_VERSION)) {
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$build = DB_UPDATE_VERSION - 1;
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Config::set('system', 'build', $build);
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}
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if ($build != DB_UPDATE_VERSION) {
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require_once 'update.php';
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$stored = intval($build);
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$current = intval(DB_UPDATE_VERSION);
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if ($stored < $current) {
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Config::load('database');
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Logger::log('Update from \'' . $stored . '\' to \'' . $current . '\' - starting', Logger::DEBUG);
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// Compare the current structure with the defined structure
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// If the Lock is acquired, never release it automatically to avoid double updates
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if (Lock::acquire('dbupdate', 120, Cache::INFINITE)) {
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// run the pre_update_nnnn functions in update.php
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for ($x = $stored + 1; $x <= $current; $x++) {
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$r = self::runUpdateFunction($x, 'pre_update');
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if (!$r) {
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break;
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}
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}
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// update the structure in one call
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$retval = DBStructure::update($verbose, true);
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if ($retval) {
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if ($sendMail) {
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self::updateFailed(
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DB_UPDATE_VERSION,
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$retval
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);
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}
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Logger::log('ERROR: Update from \'' . $stored . '\' to \'' . $current . '\' - failed: ' - $retval, Logger::ALL);
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Lock::release('dbupdate');
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return $retval;
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} else {
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Config::set('database', 'last_successful_update', $current);
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Config::set('database', 'last_successful_update_time', time());
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Logger::log('Update from \'' . $stored . '\' to \'' . $current . '\' - finished', Logger::DEBUG);
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}
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// run the update_nnnn functions in update.php
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for ($x = $stored + 1; $x <= $current; $x++) {
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$r = self::runUpdateFunction($x, 'update');
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if (!$r) {
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break;
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}
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}
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Logger::log('Update from \'' . $stored . '\' to \'' . $current . '\' - successful', Logger::DEBUG);
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if ($sendMail) {
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self::updateSuccessfull($stored, $current);
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}
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Lock::release('dbupdate');
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}
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}
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} elseif ($force) {
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DBStructure::update($verbose, true);
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}
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return '';
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}
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/**
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* Executes a specific update function
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*
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* @param int $x the DB version number of the function
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* @param string $prefix the prefix of the function (update, pre_update)
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*
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* @return bool true, if the update function worked
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*/
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public static function runUpdateFunction($x, $prefix)
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{
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$funcname = $prefix . '_' . $x;
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Logger::log('Update function \'' . $funcname . '\' - start', Logger::DEBUG);
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if (function_exists($funcname)) {
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// There could be a lot of processes running or about to run.
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// We want exactly one process to run the update command.
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// So store the fact that we're taking responsibility
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// after first checking to see if somebody else already has.
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// If the update fails or times-out completely you may need to
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// delete the config entry to try again.
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if (Lock::acquire('dbupdate_function', 120,Cache::INFINITE)) {
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// call the specific update
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$retval = $funcname();
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if ($retval) {
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//send the administrator an e-mail
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self::updateFailed(
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$x,
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L10n::t('Update %s failed. See error logs.', $x)
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);
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Logger::log('ERROR: Update function \'' . $funcname . '\' - failed: ' . $retval, Logger::ALL);
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Lock::release('dbupdate_function');
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return false;
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} else {
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Config::set('database', 'last_successful_update_function', $funcname);
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Config::set('database', 'last_successful_update_function_time', time());
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if ($prefix == 'update') {
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Config::set('system', 'build', $x);
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}
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Lock::release('dbupdate_function');
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Logger::log('Update function \'' . $funcname . '\' - finished', Logger::DEBUG);
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return true;
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}
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}
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} else {
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Logger::log('Skipping \'' . $funcname . '\' without executing', Logger::DEBUG);
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Config::set('database', 'last_successful_update_function', $funcname);
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Config::set('database', 'last_successful_update_function_time', time());
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if ($prefix == 'update') {
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Config::set('system', 'build', $x);
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}
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return true;
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}
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}
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/**
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* send the email and do what is needed to do on update fails
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*
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* @param int $update_id number of failed update
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* @param string $error_message error message
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*/
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private static function updateFailed($update_id, $error_message) {
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//send the administrators an e-mail
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$admin_mail_list = "'".implode("','", array_map(['Friendica\Database\DBA', 'escape'], explode(",", str_replace(" ", "", Config::get('config', 'admin_email')))))."'";
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$adminlist = DBA::select('user', ['uid', 'language', 'email'], ['`email` IN (%s)', $admin_mail_list]);
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// No valid result?
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if (!DBA::isResult($adminlist)) {
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Logger::log(sprintf('Cannot notify administrators about update_id=%d, error_message=%s', $update_id, $error_message), Logger::INFO);
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// Don't continue
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return;
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}
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// every admin could had different language
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foreach ($adminlist as $admin) {
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$lang = (($admin['language'])?$admin['language']:'en');
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L10n::pushLang($lang);
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$preamble = Strings::deindent(L10n::t("
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The friendica developers released update %s recently,
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but when I tried to install it, something went terribly wrong.
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This needs to be fixed soon and I can't do it alone. Please contact a
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friendica developer if you can not help me on your own. My database might be invalid.",
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$update_id));
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$body = L10n::t("The error message is\n[pre]%s[/pre]", $error_message);
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notification([
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'uid' => $admin['uid'],
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'type' => SYSTEM_EMAIL,
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'to_email' => $admin['email'],
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'preamble' => $preamble,
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'body' => $body,
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'language' => $lang]
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);
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L10n::popLang();
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}
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//try the logger
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Logger::log("CRITICAL: Database structure update failed: " . $error_message);
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}
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private static function updateSuccessfull($from_build, $to_build)
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{
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//send the administrators an e-mail
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$admin_mail_list = "'".implode("','", array_map(['Friendica\Database\DBA', 'escape'], explode(",", str_replace(" ", "", Config::get('config', 'admin_email')))))."'";
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$adminlist = DBA::select('user', ['uid', 'language', 'email'], ['`email` IN (%s)', $admin_mail_list]);
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if (DBA::isResult($adminlist)) {
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// every admin could had different language
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foreach ($adminlist as $admin) {
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$lang = (($admin['language']) ? $admin['language'] : 'en');
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L10n::pushLang($lang);
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$preamble = Strings::deindent(L10n::t("
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The friendica database was successfully updated from %s to %s.",
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$from_build, $to_build));
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notification([
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'uid' => $admin['uid'],
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'type' => SYSTEM_EMAIL,
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'to_email' => $admin['email'],
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'preamble' => $preamble,
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'body' => $preamble,
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'language' => $lang]
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);
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L10n::popLang();
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}
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}
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//try the logger
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Logger::log("Database structure update successful.", Logger::TRACE);
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}
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}
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