private function installJvrelatives()
{
$out = '';
$ma_version = JvrelInstallerHelper::getVersionFromManifest();
$db_version = JvrelInstallerHelper::getDbVersion();
try {
if (0 == $db_version) {
$installer = JvrelInstallerHelper::getInstallerObject("0.0");
$installer->execute();
if ($installer->getErrorFlag()) {
throw new Exception($installer->getMessage());
}
JvrelInstallerHelper::updateVersionInDb($ma_version);
$out .= '0|0|100|' . $installer->getMessage();
} else {
$sindex = $tindex = 0;
$versions_to_upgrade = JvrelInstallerHelper::getVersionsUpgradeList($db_version, $sindex, $tindex);
if (0 == count($versions_to_upgrade)) {
$out .= '0|0|100|Upgrade complete';
} else {
$installer = JvrelInstallerHelper::getInstallerObject($versions_to_upgrade[0]);
$retval = $installer->execute();
if ($installer->getErrorFlag()) {
throw new Exception($installer->getMessage());
}
if ($retval == -99 || $retval == -1) {
JvrelInstallerHelper::updateVersionInDb($versions_to_upgrade[0]);
if (1 == count($versions_to_upgrade)) {
$out .= '0|0|100|' . $installer->getMessage();
} else {
$percent_complete = intval((1 + $sindex) * 100 / (1 + $tindex + 1));
$percent_complete = $percent_complete > 100 ? 100 : $percent_complete;
$out .= $versions_to_upgrade[1] . '|0|' . $percent_complete . '|' . $installer->getMessage();
}
} else {
$percent_complete = intval((1 + $sindex) * 100 / (1 + $tindex + 1));
$percent_complete = $percent_complete > 100 ? 100 : $percent_complete;
$out .= $versions_to_upgrade[0] . '|0|' . $percent_complete . '|' . $installer->getMessage();
}
}
}
} catch (Exception $ex) {
$out .= '0|1|100|<p class="alert alert-error">' . $ex->getMessage() . '</p>';
}
$out = JString::trim($out, "<br />");
$out .= "<br />";
echo $out;
// {next_version_to_upgrade|error flag|percent complete|message}
}
