<?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/>.
//
// This file is part of BasicLTI4Moodle
//
// BasicLTI4Moodle is an IMS BasicLTI (Basic Learning Tools for Interoperability)
// consumer for Moodle 1.9 and Moodle 2.0. BasicLTI is a IMS Standard that allows web
// based learning tools to be easily integrated in LMS as native ones. The IMS BasicLTI
// specification is part of the IMS standard Common Cartridge 1.1 Sakai and other main LMS
// are already supporting or going to support BasicLTI. This project Implements the consumer
// for Moodle. Moodle is a Free Open source Learning Management System by Martin Dougiamas.
// BasicLTI4Moodle is a project iniciated and leaded by Ludo(Marc Alier) and Jordi Piguillem
// at the GESSI research group at UPC.
// SimpleLTI consumer for Moodle is an implementation of the early specification of LTI
// by Charles Severance (Dr Chuck) htp://dr-chuck.com , developed by Jordi Piguillem in a
// Google Summer of Code 2008 project co-mentored by Charles Severance and Marc Alier.
//
// BasicLTI4Moodle is copyright 2009 by Marc Alier Forment, Jordi Piguillem and Nikolas Galanis
// of the Universitat Politecnica de Catalunya http://www.upc.edu
// Contact info: Marc Alier Forment granludo @ gmail.com or marc.alier @ upc.edu.

/**
 * This file keeps track of upgrades to the lti module
 *
 * @package mod_lti
 * @copyright  2009 Marc Alier, Jordi Piguillem, Nikolas Galanis
 *  marc.alier@upc.edu
 * @copyright  2009 Universitat Politecnica de Catalunya http://www.upc.edu
 * @author     Marc Alier
 * @author     Jordi Piguillem
 * @author     Nikolas Galanis
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

 defined('MOODLE_INTERNAL') || die;

/**
 * xmldb_lti_upgrade is the function that upgrades
 * the lti module database when is needed
 *
 * This function is automaticly called when version number in
 * version.php changes.
 *
 * @param int $oldversion New old version number.
 *
 * @return boolean
 */
function xmldb_lti_upgrade($oldversion) {
    global $CFG, $DB, $OUTPUT;

    $dbman = $DB->get_manager();

    // Automatically generated Moodle v3.9.0 release upgrade line.
    // Put any upgrade step following this.

    if ($oldversion < 2021052501) {

        // Changing type of field instructorcustomparameters on table lti to text.
        $table = new xmldb_table('lti');
        $field = new xmldb_field('instructorcustomparameters', XMLDB_TYPE_TEXT, null, null, null, null, null,
                'instructorchoiceallowsetting');

        // Launch change of type for field value.
        $dbman->change_field_type($table, $field);

        // Lti savepoint reached.
        upgrade_mod_savepoint(true, 2021052501, 'lti');
    }

    if ($oldversion < 2022032900) {
        // This option 'Public key type' was added in MDL-66920, but no value was set for existing 1.3 tools.
        // Set a default of 'RSA Key' for those LTI 1.3 tools without a value, representing the only key type they
        // could use at the time of their creation. Existing tools which have since been resaved will not be impacted.
        $sql = "SELECT t.id
                  FROM {lti_types} t
             LEFT JOIN {lti_types_config} tc
                    ON (tc.typeid = t.id AND tc.name = :typename)
                 WHERE t.ltiversion = :ltiversion
                   AND tc.value IS NULL";
        $params = ['typename' => 'keytype', 'ltiversion' => '1.3.0'];
        $recordset = $DB->get_recordset_sql($sql, $params);
        foreach ($recordset as $record) {
            $DB->insert_record('lti_types_config', (object) [
                'typeid' => $record->id,
                'name' => 'keytype',
                'value' => 'RSA_KEY'
            ]);
        }
        $recordset->close();

        // Lti savepoint reached.
        upgrade_mod_savepoint(true, 2022032900, 'lti');
    }

    // Automatically generated Moodle v4.0.0 release upgrade line.
    // Put any upgrade step following this.

    // Automatically generated Moodle v4.1.0 release upgrade line.
    // Put any upgrade step following this.

    // Automatically generated Moodle v4.2.0 release upgrade line.
    // Put any upgrade step following this.

    if ($oldversion < 2023070501) {

        // Define table lti_types_categories to be created.
        $table = new xmldb_table('lti_types_categories');

        // Adding fields to table lti_types_categories.
        $table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE, null);
        $table->add_field('typeid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null);
        $table->add_field('categoryid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null);

        // Adding keys to table lti_types_categories.
        $table->add_key('primary', XMLDB_KEY_PRIMARY, ['id']);
        $table->add_key('typeid', XMLDB_KEY_FOREIGN, ['typeid'], 'lti_types', ['id']);
        $table->add_key('categoryid', XMLDB_KEY_FOREIGN, ['categoryid'], 'course_categories', ['id']);

        // Conditionally launch create table for lti_types_categories.
        if (!$dbman->table_exists($table)) {
            $dbman->create_table($table);
        }
        // Lti savepoint reached.
        upgrade_mod_savepoint(true, 2023070501, 'lti');
    }

    if ($oldversion < 2023081101) {
        // Define table to override coursevisible for a tool on course level.
        $table = new xmldb_table('lti_coursevisible');

        // Adding fields to table lti_coursevisible.
        $table->add_field('id', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, XMLDB_SEQUENCE);
        $table->add_field('typeid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, 'id');
        $table->add_field('courseid', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, null, 'typeid');
        $table->add_field('coursevisible', XMLDB_TYPE_INTEGER, '1', null, XMLDB_NOTNULL, null, null, 'courseid');

        // Add key.
        $table->add_key('primary', XMLDB_KEY_PRIMARY, ['id']);

        // Define index courseid (not unique) to be added to lti_coursevisible.
        $table->add_index('courseid', XMLDB_INDEX_NOTUNIQUE, ['courseid']);
        // Define index typeid (not unique) to be added to lti_coursevisible.
        $table->add_index('typeid', XMLDB_INDEX_NOTUNIQUE, ['typeid']);

        // Conditionally launch create table for overriding coursevisible.
        if (!$dbman->table_exists($table)) {
            $dbman->create_table($table);
        }

        // Lti savepoint reached.
        upgrade_mod_savepoint(true, 2023081101, 'lti');
    }

    // Automatically generated Moodle v4.3.0 release upgrade line.
    // Put any upgrade step following this.

    return true;
}
