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105 lines
4.4 KiB
105 lines
4.4 KiB
2 years ago
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<?php
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// This file keeps track of upgrades to
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// the glossary module
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//
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// Sometimes, changes between versions involve
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// alterations to database structures and other
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// major things that may break installations.
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//
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// The upgrade function in this file will attempt
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// to perform all the necessary actions to upgrade
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// your older installation to the current version.
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//
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// If there's something it cannot do itself, it
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// will tell you what you need to do.
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//
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// The commands in here will all be database-neutral,
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// using the methods of database_manager class
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//
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// Please do not forget to use upgrade_set_timeout()
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// before any action that may take longer time to finish.
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function xmldb_glossary_upgrade($oldversion) {
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global $CFG, $DB;
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// Automatically generated Moodle v3.3.0 release upgrade line.
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// Put any upgrade step following this.
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// Automatically generated Moodle v3.4.0 release upgrade line.
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// Put any upgrade step following this.
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// Automatically generated Moodle v3.5.0 release upgrade line.
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// Put any upgrade step following this.
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if ($oldversion < 2018051401) {
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// Fetch the module ID for the glossary module.
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$glossarymoduleid = $DB->get_field('modules', 'id', ['name' => 'glossary']);
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// Get id of section 1 on the frontpage course.
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$fpsection1 = $DB->get_field('course_sections', 'id', ['course' => SITEID, 'section' => 1]);
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// Fetch sections for the frontpage not matching 1.
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$sectionselect = 'course = :course AND section <> 1';
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$sitesections = $DB->get_recordset_select('course_sections', $sectionselect, ['course' => SITEID]);
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$newsection1cmids = [];
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foreach ($sitesections as $section) {
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// Check if we have anything to process for this section.
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if (empty($section->sequence)) {
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// If there's none, ignore.
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continue;
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}
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// Fetch the course module IDs of the course modules in the section.
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$cmids = explode(',', $section->sequence);
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$nonglossarycmids = [];
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// Update the section in the course_modules table for glossary instances if necessary.
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foreach ($cmids as $cmid) {
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$params = [
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'id' => $cmid,
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'module' => $glossarymoduleid
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];
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// Check if the record in the course_modules tables is that of a glossary activity.
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if ($DB->record_exists('course_modules', $params)) {
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// If so, move it to front page's section 1.
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$DB->set_field('course_modules', 'section', $fpsection1, $params);
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$newsection1cmids[] = $cmid;
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} else {
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// Otherwise, ignore this course module as we only want to update glossary items.
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$nonglossarycmids[] = $cmid;
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}
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}
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// Check if we need to update the section record or we can delete it.
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if (!empty($nonglossarycmids)) {
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// Update the section record with a sequence that now excludes the glossary instance(s) (if it changed).
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$sequence = implode(',', $nonglossarycmids);
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if ($sequence != $section->sequence) {
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$DB->set_field('course_sections', 'sequence', $sequence, ['id' => $section->id]);
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}
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} else {
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// This section doesn't contain any items anymore, we can remove this.
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$DB->delete_records('course_sections', ['id' => $section->id]);
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}
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}
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$sitesections->close();
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// Update the sequence field for the site's section 1 if necessary.
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if (!empty($newsection1cmids)) {
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$section1params = [
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'course' => SITEID,
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'section' => 1
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];
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$section1sequence = $DB->get_field('course_sections', 'sequence', $section1params);
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$newsection1sequence = implode(',', array_merge([$section1sequence], $newsection1cmids));
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// Update the sequence field of the first section for the front page.
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$DB->set_field('course_sections', 'sequence', $newsection1sequence, $section1params);
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}
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upgrade_mod_savepoint(true, 2018051401, 'glossary');
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}
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// Automatically generated Moodle v3.6.0 release upgrade line.
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// Put any upgrade step following this.
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return true;
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}
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