class.ilDatabaseMetricsCollectedObjective.php

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<?php

declare(strict_types=1);

use ILIAS\Setup;
use ILIAS\DI;

class ilDatabaseMetricsCollectedObjective extends Setup\Metrics\CollectedObjective
{
    protected function getTentativePreconditions(Setup\Environment $environment): array
    {
        return [
            new \ilIniFilesLoadedObjective(),
            new \ilDatabaseInitializedObjective()
        ];
    }

    protected function collectFrom(Setup\Environment $environment, Setup\Metrics\Storage $storage): void
    {
        $client_ini = $environment->getResource(Setup\Environment::RESOURCE_CLIENT_INI);
        if ($client_ini) {
            $storage->storeConfigText(
                "type",
                $client_ini->readVariable("db", "type") ?? "mysql",
                "The storage backend that is used for the database."
            );
            $storage->storeConfigText(
                "host",
                $client_ini->readVariable("db", "host"),
                "The host where the storage backend is located."
            );
            $storage->storeConfigText(
                "port",
                $client_ini->readVariable("db", "port"),
                "The port where the storage backend is located at the host."
            );
            $storage->storeConfigText(
                "name",
                $client_ini->readVariable("db", "name"),
                "The name of the database in the storage backend."
            );
            $storage->storeConfigText(
                "user",
                $client_ini->readVariable("db", "user"),
                "The user to be used for the storage backend."
            );
            $storage->storeConfigText(
                "pass",
                PHP_SAPI === 'cli' ? $client_ini->readVariable("db", "pass") : '********',
                "The password for the user for the storage backend."
            );
        }


        $db = $environment->getResource(Setup\Environment::RESOURCE_DATABASE);
        $ini = $environment->getResource(Setup\Environment::RESOURCE_ILIAS_INI);
        if (!$db && !$ini) {
            return;
        }
        $client_id = $environment->getResource(Setup\Environment::RESOURCE_CLIENT_ID);

        // ATTENTION: This is a total abomination. It only exists to allow the db-
        // update to run. This is a memento to the fact, that dependency injection
        // is something we want. Currently, every component could just service
        // locate the whole world via the global $DIC.
        $DIC = $GLOBALS["DIC"] ?? [];
        try {
            $GLOBALS["DIC"] = new DI\Container();
            $GLOBALS["DIC"]["ilDB"] = $db;
            $GLOBALS["DIC"]["ilBench"] = null;
            $GLOBALS["DIC"]["ilLog"] = new class () {
                public function write(): void
                {
                }
                public function info(): void
                {
                }
                public function warning($msg): void
                {
                }
                public function error($msg): void
                {
                }
            };
            $GLOBALS["DIC"]["ilLoggerFactory"] = new class () {
                public function getRootLogger(): object
                {
                    return new class () {
                        public function write(): void
                        {
                        }
                    };
                }
            };
            if (!defined("CLIENT_DATA_DIR")) {
                define("CLIENT_DATA_DIR", $ini->readVariable("clients", "datadir") . "/" . $client_id);
            }
            if (!defined("CLIENT_WEB_DIR")) {
                define("CLIENT_WEB_DIR", dirname(__DIR__, 4) . "/data/" . $client_id);
            }
            if (!defined("ILIAS_ABSOLUTE_PATH")) {
                define("ILIAS_ABSOLUTE_PATH", dirname(__FILE__, 5));
            }
            if (!defined("ILIAS_LOG_ENABLED")) {
                define("ILIAS_LOG_ENABLED", false);
            }
            if (!defined("ROOT_FOLDER_ID")) {
                define("ROOT_FOLDER_ID", (int) $client_ini->readVariable("system", "ROOT_FOLDER_ID"));
            }
            if (!defined("ROLE_FOLDER_ID")) {
                define("ROLE_FOLDER_ID", (int) $client_ini->readVariable("system", "ROLE_FOLDER_ID"));
            }
            if (!defined("SYSTEM_FOLDER_ID")) {
                define("SYSTEM_FOLDER_ID", (int) $client_ini->readVariable("system", "SYSTEM_FOLDER_ID"));
            }

            $db_update = new  ilDBUpdate($db);

            $storage->storeStableCounter(
                "custom_version",
                $db_update->getCustomUpdatesCurrentVersion() ?? 0,
                "The version of the custom database schema that is currently installed."
            );
            $storage->storeStableCounter(
                "available_custom_version",
                $db_update->getCustomUpdatesFileVersion() ?? 0,
                "The version of the custom database schema that is available in the current source."
            );
            $storage->storeStableBool(
                "custom_update_required",
                $db_update->customUpdatesAvailable(),
                "Does the database require a custom update?"
            );
        } finally {
            $GLOBALS["DIC"] = $DIC;
        }
    }
}