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<?php
namespace Zotlabs\Lib;
class DB_Upgrade {
public $config_name = '';
public $func_prefix = '';
function __construct($db_revision) {
$update_file = 'install/' . PLATFORM_NAME . '/update.php';
if(! file_exists($update_file)) {
$update_file = 'install/update.php';
$this->config_name = 'db_version';
$this->func_prefix = 'update_r';
}
else {
$this->config_name = PLATFORM_NAME . '_db_version';
$this->func_prefix = PLATFORM_NAME . '_update_';
}
$build = get_config('system', $this->config_name, 0);
if(! intval($build))
$build = set_config('system', $this->config_name, $db_revision);
if($build == $db_revision) {
// Nothing to be done.
return;
}
else {
$stored = intval($build);
if(! $stored) {
logger('Critical: check_config unable to determine database schema version');
return;
}
$current = intval($db_revision);
if(($stored < $current) && file_exists($update_file)) {
Config::Load('database');
// We're reporting a different version than what is currently installed.
// Run any existing update scripts to bring the database up to current.
require_once($update_file);
// make sure that boot.php and update.php are the same release, we might be
// updating from git right this very second and the correct version of the update.php
// file may not be here yet. This can happen on a very busy site.
if($db_revision == UPDATE_VERSION) {
for($x = $stored; $x < $current; $x ++) {
$func = $this->func_prefix . $x;
if(function_exists($func)) {
// There could be a lot of processes running or about to run.
// We want exactly one process to run the update command.
// So store the fact that we're taking responsibility
// after first checking to see if somebody else already has.
// If the update fails or times-out completely you may need to
// delete the config entry to try again.
if(get_config('database', $func))
break;
set_config('database',$func, '1');
// call the specific update
$retval = $func();
if($retval) {
// Prevent sending hundreds of thousands of emails by creating
// a lockfile.
$lockfile = 'store/[data]/mailsent';
if ((file_exists($lockfile)) && (filemtime($lockfile) > (time() - 86400)))
return;
@unlink($lockfile);
//send the administrator an e-mail
file_put_contents($lockfile, $x);
$r = q("select account_language from account where account_email = '%s' limit 1",
dbesc(\App::$config['system']['admin_email'])
);
push_lang(($r) ? $r[0]['account_language'] : 'en');
z_mail(
[
'toEmail' => \App::$config['system']['admin_email'],
'messageSubject' => sprintf( t('Update Error at %s'), z_root()),
'textVersion' => replace_macros(get_intltext_template('update_fail_eml.tpl'),
[
'$sitename' => \App::$config['system']['sitename'],
'$siteurl' => z_root(),
'$update' => $x,
'$error' => sprintf( t('Update %s failed. See error logs.'), $x)
]
)
]
);
//try the logger
logger('CRITICAL: Update Failed: ' . $x);
pop_lang();
}
else {
set_config('database',$func, 'success');
}
}
}
set_config('system', $this->config_name, $db_revision);
}
}
}
}
}
|
