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/>.

/**

 * @package    tool_xmldb

 * @copyright  2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

/**

 * This class will create a new default key to be edited

 *

 * @package    tool_xmldb

 * @copyright  2003 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class new_key extends XMLDBAction {

    /**

     * Init method, every subclass will have its own

     */

    function init() {

        parent::init();

        // Set own custom attributes

        // Get needed strings

        $this->loadStrings(array(

            // 'key' => 'module',

        ));

    }

    /**

     * Invoke method, every class will have its own

     * returns true/false on completion, setting both

     * errormsg and output as necessary

     */

    function invoke() {

        parent::invoke();

        $result = true;

        // Set own core attributes

        $this->does_generate = ACTION_NONE;

        //$this->does_generate = ACTION_GENERATE_HTML;

        // These are always here

        global $CFG, $XMLDB;

        // Do the job, setting result as needed

        // Get the dir containing the file

        $dirpath = required_param('dir', PARAM_PATH);

        $dirpath = $CFG->dirroot . $dirpath;

        // Get the correct dirs

        if (!empty($XMLDB->dbdirs)) {

            $dbdir = $XMLDB->dbdirs[$dirpath];

        } else {

            return false;

        }

        if (!empty($XMLDB->editeddirs)) {

            $editeddir = $XMLDB->editeddirs[$dirpath];

            $structure = $editeddir->xml_file->getStructure();

        }

        $tableparam = required_param('table', PARAM_CLEAN);

        $table = $structure->getTable($tableparam);

        // If the changeme key exists, just get it and continue

        $changeme_exists = false;

        if ($keys = $table->getKeys()) {

            if ($key = $table->getKey('changeme')) {

                $changeme_exists = true;

            }

        }

        if (!$changeme_exists) { // Lets create the Key

            $key = new xmldb_key('changeme');

            $table->addKey($key);

            // We have one new key, so the structure has changed

            $structure->setVersion(userdate(time(), '%Y%m%d', 99, false));

            $structure->setChanged(true);

        }

        // Launch postaction if exists (leave this here!)

        if ($this->getPostAction() && $result) {

            return $this->launch($this->getPostAction());

        }

        // Return ok if arrived here

        return $result;

    }

}