/**
* Installs module given as first parameter.
* Additionally, this function calls upgrade to version given as second parameter.
*
* @param string $module module name or module class name - both / and _ separated.
* @param integer $version module version
* @return bool true if installation success, false otherwise
*/
public static final function install($module, $version = null, $check = null, $include_common = true)
{
if ($check === null) {
if (defined('UPDATING_EPESI')) {
$check = false;
} else {
$check = true;
}
}
$module_class_name = self::get_module_class_name($module);
self::include_install($module_class_name);
if (!isset(self::$modules_install[$module_class_name])) {
return false;
}
$func_version = array(self::$modules_install[$module_class_name], 'version');
if (is_callable($func_version)) {
$inst_ver = call_user_func($func_version);
} else {
$inst_ver = 0;
}
if (is_array($inst_ver)) {
$inst_ver = count($inst_ver);
} else {
$inst_ver = intval($inst_ver);
}
if (!isset($version)) {
$version = $inst_ver - 1;
} else {
if ($inst_ver < $version) {
print 'Module ' . '<b>' . $module_class_name . '</b>' . ' is too old. Please download newer version<br>';
return false;
}
}
if (self::is_installed($module_class_name) >= $version) {
return true;
}
if (!self::exists($module_class_name, $version)) {
return false;
}
//check dependecies
if (!self::satisfy_dependencies($module_class_name, $version, $check)) {
print '<b>' . $module_class_name . '</b>' . ': dependencies not satisfied.<br>';
return false;
}
if (DB::is_mysql()) {
DB::Execute('SET FOREIGN_KEY_CHECKS = 0');
}
//call install script and fill database
if (!call_user_func(array(self::$modules_install[$module_class_name], 'install'))) {
call_user_func(array(self::$modules_install[$module_class_name], 'uninstall'));
self::remove_data_dir($module_class_name);
print '<b>' . $module_class_name . '</b>' . ': uninstalled<br>';
if (DB::is_mysql()) {
DB::Execute('SET FOREIGN_KEY_CHECKS = 1');
}
return false;
}
if (DB::is_mysql()) {
DB::Execute('SET FOREIGN_KEY_CHECKS = 1');
}
$ret = DB::Execute('insert into modules(name, version) values(%s,0)', $module_class_name);
if (!$ret) {
print '<b>' . $module_class_name . '</b>' . ' module installation failed: database<br>';
return false;
}
self::register($module_class_name, $version, self::$modules);
PatchUtil::mark_applied($module_class_name);
if ($check) {
self::create_load_priority_array();
}
print '<b>' . $module_class_name . '</b>' . ' module installed!<br>';
if ($version != 0) {
$up = self::upgrade($module_class_name, $version);
if (!$up) {
return false;
}
}
if ($include_common) {
self::include_common($module_class_name, $version);
// self::create_common_cache();
}
if (file_exists(DATA_DIR . '/cache/common.php')) {
unlink(DATA_DIR . '/cache/common.php');
}
Cache::clear();
self::$processed_modules['install'][$module_class_name] = $version;
return true;
}