Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

declare(strict_types = 1);

namespace mod_edusharing;

use Exception;

use JsonException;

/**

 * Class InstallUpgradeLogic

 *

 * @author Marian Ziegler <ziegler@edu-sharing.net>

 * @package mod_edusharing

 */

class InstallUpgradeLogic {

    /**

     * @var PluginRegistration|null

     */

    private ?PluginRegistration $registrationlogic = null;

    /**

     * @var MetadataLogic|null

     */

    private ?MetadataLogic      $metadatalogic     = null;

    /**

     * @var string

     */

    private string $configpath;

    /**

     * @var array|null

     */

    private ?array $configdata = null;

    /**

     * InstallUpgradeLogic constructor

     *

     * @param string $configpath

     */

    public function __construct(string $configpath = __DIR__ . '/../db/installConfig.json') {

        $this->configpath = $configpath;

    }

    /**

     * Function parse_config_data

     *

     * @throws JsonException

     * @throws Exception

     */

    public function parse_config_data(): void {

        if (! file_exists($this->configpath)) {

            throw new Exception('Metadata import and plugin registration failed: Missing installConfig.json');

        }

        $jsonstring       = file_get_contents($this->configpath);

        $this->configdata = json_decode($jsonstring, true, 512, JSON_THROW_ON_ERROR);

    }

    /**

     * Function perform

     *

     * @param bool $isinstall

     * @return void

     */

    public function perform(bool $isinstall = true): void {

        global $CFG;

        if (in_array(null, [$this->metadatalogic, $this->registrationlogic, $this->configdata], true)

            || empty($this->configdata['repoAdmin']) || empty($this->configdata['repoAdminPassword'])

        ) {

            return;

        }

        $metadataurl = $this->configdata['repoUrl'] . '/metadata?format=lms&external=true';

        if ($isinstall && $this->configdata['autoAppIdFromUrl']) {

            $this->metadatalogic->set_app_id(basename($CFG->wwwroot));

        }

        if (! empty($this->configdata['wloGuestUser_optional'])) {

            $this->metadatalogic->set_wlo_guest_user($this->configdata['wloGuestUser_optional']);

        }

        if (! empty($this->configdata['hostAliases_optional'])) {

            $this->metadatalogic->set_host_aliases($this->configdata['hostAliases_optional']);

        }

        try {

            $this->metadatalogic->import_metadata($metadataurl, $this->configdata['host'] ?? null);

            $repourl            = get_config('edusharing', 'application_cc_gui_url');

            $data               = $this->metadatalogic->create_xml_metadata();

            $registrationresult = $this->registrationlogic->register_plugin(

                $repourl,

                $this->configdata['repoAdmin'],

                $this->configdata['repoAdminPassword'],

                $data

            );

        } catch (Exception $exception) {

            debugging($exception->getMessage());

            return;

        }

        if (! isset($registrationresult['appid'])) {

            debugging('Automatic plugin registration could not be performed.');

        }

    }

    /**

     * Function get_config_data

     *

     * @return array

     */

    public function get_config_data(): array {

        return $this->configdata ?? [];

    }

    /**

     * Function set_registration_logic

     *

     * @param PluginRegistration $pluginregistration

     * @return void

     */

    public function set_registration_logic(PluginRegistration $pluginregistration): void {

        $this->registrationlogic = $pluginregistration;

    }

    /**

     * Function set_metadata_logic

     *

     * @param MetadataLogic $metadatalogic

     * @return void

     */

    public function set_metadata_logic(MetadataLogic $metadatalogic): void {

        $this->metadatalogic = $metadatalogic;

    }

    /**

     * Function discern_app_id

     *

     * During install and upgrade an appId has to be set.

     * This function discerns and returns it.

     * Priority (highest to lowest):

     * - configured preexisting app id (from get_config)

     * - app id provided in installConfig.json

     * - auto generated new app id

     *

     * @return string

     */

    public function discern_app_id(): string {

        $utils = new UtilityFunctions();

        try {

            $appid = empty($utils->get_config_entry('application_appid')) ? false : $utils->get_config_entry('application_appid');

        } catch (Exception $exception) {

            unset($exception);

            $appid = false;

        }

        if ($appid === false) {

            $appid = $this->get_config_data()['moodleAppId_optional'];

            if (empty($appid)) {

                $appid = uniqid('moodle_');

            }

        } else {

            $appid = (string)$appid;

        }

        return $appid;

    }

}