PHP rebuild_course_cache函数代码示例

function xmldb_label_upgrade($oldversion)
{
    global $CFG, $DB;
    $dbman = $DB->get_manager();
    // Moodle v2.2.0 release upgrade line
    // Put any upgrade step following this
    // Moodle v2.3.0 release upgrade line
    // Put any upgrade step following this
    // Moodle v2.4.0 release upgrade line
    // Put any upgrade step following this
    if ($oldversion < 2013021400) {
        // find all courses that contain labels and reset their cache
        $modid = $DB->get_field_sql("SELECT id FROM {modules} WHERE name=?", array('label'));
        if ($modid) {
            $courses = $DB->get_fieldset_sql('SELECT DISTINCT course ' . 'FROM {course_modules} WHERE module=?', array($modid));
            foreach ($courses as $courseid) {
                rebuild_course_cache($courseid, true);
            }
        }
        // label savepoint reached
        upgrade_mod_savepoint(true, 2013021400, 'label');
    }
    // Moodle v2.5.0 release upgrade line.
    // Put any upgrade step following this.
    // Moodle v2.6.0 release upgrade line.
    // Put any upgrade step following this.
    return true;
}

/**
 * Migrate page module data from 1.9 resource_old table to new page table
 * @return void
 */
function page_20_migrate()
{
    global $CFG, $DB;
    require_once "{$CFG->libdir}/filelib.php";
    require_once "{$CFG->libdir}/resourcelib.php";
    require_once "{$CFG->dirroot}/course/lib.php";
    if (!file_exists("{$CFG->dirroot}/mod/resource/db/upgradelib.php")) {
        // bad luck, somebody deleted resource module
        return;
    }
    require_once "{$CFG->dirroot}/mod/resource/db/upgradelib.php";
    // create resource_old table and copy resource table there if needed
    if (!resource_20_prepare_migration()) {
        // no modules or fresh install
        return;
    }
    $fs = get_file_storage();
    if ($candidates = $DB->get_recordset('resource_old', array('type' => 'html', 'migrated' => 0))) {
        foreach ($candidates as $candidate) {
            page_20_migrate_candidate($candidate, $fs, FORMAT_HTML);
        }
        $candidates->close();
    }
    if ($candidates = $DB->get_recordset('resource_old', array('type' => 'text', 'migrated' => 0))) {
        foreach ($candidates as $candidate) {
            page_20_migrate_candidate($candidate, $fs, $candidate->reference);
        }
        $candidates->close();
    }
    // clear all course modinfo caches
    rebuild_course_cache(0, true);
}

function xmldb_ezproxy_upgrade($oldversion = 0)
{
    global $CFG, $THEME, $db;
    $result = true;
    /// And upgrade begins here. For each one, you'll need one
    /// block of code similar to the next one. Please, delete
    /// this comment lines once this file start handling proper
    /// upgrade code.
    if ($result && $oldversion < 2009042403) {
        /// Rebuild the course cache of every course which uses one of these modules in it to get
        /// the new link.
        if ($courseids = get_records_menu('ezproxy', '', '', 'course ASC', 'id, course')) {
            /// Just get the unique course ID values.
            $courseids = array_unique(array_values($courseids));
            if (!empty($courseids)) {
                require_once $CFG->dirroot . '/course/lib.php';
                foreach ($courseids as $courseid) {
                    rebuild_course_cache($courseid);
                    // Does not return a bool
                }
            }
        }
    }
    if ($result && $oldversion < 2009042404) {
        $table = new XMLDBTable('ezproxy');
        $field = new XMLDBField('serverurl');
        $field->setAttributes(XMLDB_TYPE_TEXT, 'big', null, null, null, null, null, '', 'name');
        $result = change_field_type($table, $field);
    }
    return $result;
}

/**
 * Migrate widgetspace module data from 1.9 resource_old table to new widgetspace table
 * @return void
 */
function widgetspace_20_migrate()
{
    global $CFG, $DB;
    require_once "{$CFG->libdir}/filelib.php";
    require_once "{$CFG->libdir}/resourcelib.php";
    require_once "{$CFG->dirroot}/course/lib.php";
    if (!file_exists("{$CFG->dirroot}/mod/resource/db/upgradelib.php")) {
        // bad luck, somebody deleted resource module
        return;
    }
    require_once "{$CFG->dirroot}/mod/resource/db/upgradelib.php";
    // create resource_old table and copy resource table there if needed
    if (!resource_20_prepare_migration()) {
        // no modules or fresh install
        return;
    }
    $fs = get_file_storage();
    $candidates = $DB->get_recordset('resource_old', array('type' => 'html', 'migrated' => 0));
    foreach ($candidates as $candidate) {
        widgetspace_20_migrate_candidate($candidate, $fs, FORMAT_HTML);
    }
    $candidates->close();
    $candidates = $DB->get_recordset('resource_old', array('type' => 'text', 'migrated' => 0));
    foreach ($candidates as $candidate) {
        //there might be some rubbish instead of format int value
        $format = (int) $candidate->reference;
        if ($format < 0 or $format > 4) {
            $format = FORMAT_MOODLE;
        }
        widgetspace_20_migrate_candidate($candidate, $fs, $format);
    }
    $candidates->close();
    // clear all course modinfo caches
    rebuild_course_cache(0, true);
}

 /**
  * This function tests the render_menu() method's ability to display
  * the menus properly and handle a number of special cases that should
  * arise.
  *
  * Note: for some reason (I think the cache gets flushed), all of the
  * section tests must go in here.
  *
  */
 public function test_renderarray()
 {
     global $DB;
     $courseid = $this->testcourseid;
     $course = $DB->get_record('course', array('id' => $courseid));
     rebuild_course_cache($courseid);
     $section = 1;
     $thissection = $DB->get_record('course_sections', array('course' => $courseid, 'section' => $section));
     $cm = new collapsed_menu($course, $section, false);
     $cm->render_menu();
     // Answers are below.
     $labelids = array($this->section1labelids[1], $this->section1labelids[2], $this->section1labelids[3], $this->section1labelids[0], $this->section1labelids[4]);
     $closeids = array("N" . $this->section1labelids[2], "N" . $this->section1labelids[3], "N" . $this->section1labelids[4], "N" . $this->section1labelids[4], "N" . $this->section1contentids[8]);
     $depthindices = array(2, 2, 2, 1, 1);
     $depthvalues = array(2, 2, 2, 0, 0);
     $numlabels = 5;
     // Test labelinfo values.
     $labelinfo = $cm->get_label_info();
     for ($i = 0; $i < $numlabels; $i++) {
         $this->assertEquals($labelinfo->labelid[$i], $labelids[$i]);
         $this->assertEquals($labelinfo->closeid[$i], $closeids[$i]);
         $this->assertEquals($labelinfo->depthindex[$i], $depthindices[$i]);
         $this->assertEquals($labelinfo->depthvalue[$i], $depthvalues[$i]);
     }
     // Now for mod depths: answers.
     $modids = array($this->section1contentids[0], $this->section1contentids[1], $this->section1contentids[2], $this->section1contentids[3], $this->section1contentids[4], $this->section1contentids[5], $this->section1contentids[6], $this->section1contentids[7], $this->section1contentids[8]);
     $depths = array(0, 0, 0, 1, 0, 0, 0, 0, 0);
     $nummods = 9;
     // Test the moddepth values.
     $moddepths = $cm->get_mod_depths();
     for ($i = 0; $i < $nummods; $i++) {
         $this->assertEquals($moddepths->modid[$i], $modids[$i]);
         $this->assertEquals($moddepths->moddepth[$i], $depths[$i]);
     }
     // Change section to 2, it tests the "inclusive" label end.
     $section = 2;
     $thissection = $DB->get_record('course_sections', array('course' => $courseid, 'section' => $section));
     $cm = new collapsed_menu($course, $section, false);
     $cm->render_menu();
     $labelinfo = $cm->get_label_info();
     $this->assertEquals($labelinfo->labelid[0], $this->section2labelids[0]);
     $this->assertEquals($labelinfo->closeid[0], "I" . $this->section2contentids[0]);
     // Go with section 3 next -> this section "reverses" the last entries.
     $section = 3;
     $thissection = $DB->get_record('course_sections', array('course' => $courseid, 'section' => $section));
     $cm = new collapsed_menu($course, $section, false);
     $cm->render_menu();
     $labelids = array($this->section3labelids[0], $this->section3labelids[2], $this->section3labelids[3], $this->section3labelids[1], $this->section3labelids[4], $this->section3labelids[6], $this->section3labelids[5], $this->section3labelids[7], $this->section3labelids[8]);
     $closeids = array("N" . $this->section3labelids[1], "N" . $this->section3labelids[3], "N" . $this->section3labelids[4], "N" . $this->section3labelids[4], "N" . $this->section3labelids[5], "N" . $this->section3labelids[7], "I" . $this->section3contentids[0], "I" . $this->section3contentids[0], "I" . $this->section3contentids[0]);
     $depthindices = array(1, 2, 2, 1, 1, 2, 1, 2, 3);
     $depthvalues = array(0, 1, 1, 0, 0, 1, 0, 1, 2);
     $numlabels = 9;
     $labelinfo = $cm->get_label_info();
     for ($i = 0; $i < $numlabels; $i++) {
         $this->assertEquals($labelinfo->labelid[$i], $labelids[$i]);
         $this->assertEquals($labelinfo->closeid[$i], $closeids[$i]);
         $this->assertEquals($labelinfo->depthindex[$i], $depthindices[$i]);
         $this->assertEquals($labelinfo->depthvalue[$i], $depthvalues[$i]);
     }
 }

 /**
  * Create a section.
  */
 public static function create_section($course, $section)
 {
     global $DB;
     $section = (object) $section;
     $section->course = $course->id;
     $DB->insert_record('course_sections', $section);
     rebuild_course_cache($course->id, true);
 }

function resource_upgrade($oldversion)
{
    // This function does anything necessary to upgrade
    // older versions to match current functionality
    global $CFG;
    if ($oldversion < 2004013101) {
        modify_database("", "INSERT INTO prefix_log_display (module, action, mtable, field) VALUES ('resource', 'update', 'resource', 'name');");
        modify_database("", "INSERT INTO prefix_log_display (module, action, mtable, field) VALUES ('resource', 'add', 'resource', 'name');");
    }
    if ($oldversion < 2004071000) {
        table_column("resource", "", "popup", "text", "", "", "", "", "alltext");
        if ($resources = get_records_select("resource", "type='3' OR type='5'", "", "id, alltext")) {
            foreach ($resources as $resource) {
                $resource->popup = addslashes($resource->alltext);
                $resource->alltext = "";
                if (!update_record("resource", $resource)) {
                    notify("Error updating popup field for resource id = {$resource->id}");
                }
            }
        }
        require_once "{$CFG->dirroot}/course/lib.php";
        rebuild_course_cache();
    }
    if ($oldversion < 2004071300) {
        table_column("resource", "", "options", "varchar", "255", "", "", "", "popup");
    }
    if ($oldversion < 2004071303) {
        table_column("resource", "type", "type", "varchar", "30", "", "", "", "");
        modify_database("", "UPDATE prefix_resource SET type='reference' WHERE type='1';");
        modify_database("", "UPDATE prefix_resource SET type='file', options='frame' WHERE type='2';");
        modify_database("", "UPDATE prefix_resource SET type='file' WHERE type='3';");
        modify_database("", "UPDATE prefix_resource SET type='text', options='0' WHERE type='4';");
        modify_database("", "UPDATE prefix_resource SET type='file' WHERE type='5';");
        modify_database("", "UPDATE prefix_resource SET type='html' WHERE type='6';");
        modify_database("", "UPDATE prefix_resource SET type='file' WHERE type='7';");
        modify_database("", "UPDATE prefix_resource SET type='text', options='3' WHERE type='8';");
        modify_database("", "UPDATE prefix_resource SET type='directory' WHERE type='9';");
    }
    if ($oldversion < 2004080801) {
        modify_database("", "UPDATE prefix_resource SET alltext=reference,type='html' WHERE type='reference';");
        rebuild_course_cache();
    }
    if ($oldversion < 2004111200) {
        //drop first to avoid conflicts when upgrading
        execute_sql("DROP INDEX {$CFG->prefix}resource_course_idx;", false);
        modify_database('', 'CREATE INDEX prefix_resource_course_idx ON prefix_resource (course);');
    }
    if ($oldversion < 2005041100) {
        // replace wiki-like with markdown
        include_once "{$CFG->dirroot}/lib/wiki_to_markdown.php";
        $wtm = new WikiToMarkdown();
        $wtm->update('resource', 'alltext', 'options');
    }
    //////  DO NOT ADD NEW THINGS HERE!!  USE upgrade.php and the lib/ddllib.php functions.
    return true;
}

/**
 * Migrate folder module data from 1.9 resource_old table to new older table
 * @return void
 */
function folder_20_migrate()
{
    global $CFG, $DB;
    require_once "{$CFG->libdir}/filelib.php";
    require_once "{$CFG->dirroot}/course/lib.php";
    if (!file_exists("{$CFG->dirroot}/mod/resource/db/upgradelib.php")) {
        // bad luck, somebody deleted resource module
        return;
    }
    require_once "{$CFG->dirroot}/mod/resource/db/upgradelib.php";
    // create resource_old table and copy resource table there if needed
    if (!resource_20_prepare_migration()) {
        // no modules or fresh install
        return;
    }
    if (!($candidates = $DB->get_recordset('resource_old', array('type' => 'directory', 'migrated' => 0)))) {
        return;
    }
    $fs = get_file_storage();
    foreach ($candidates as $candidate) {
        upgrade_set_timeout();
        $directory = '/' . trim($candidate->reference, '/') . '/';
        $directory = str_replace('//', '/', $directory);
        $folder = new object();
        $folder->course = $candidate->course;
        $folder->name = $candidate->name;
        $folder->intro = $candidate->intro;
        $folder->introformat = $candidate->introformat;
        $folder->revision = 1;
        $folder->timemodified = time();
        if (!($folder = resource_migrate_to_module('folder', $candidate, $folder))) {
            continue;
        }
        // copy files in given directory, skip moddata and backups!
        $context = get_context_instance(CONTEXT_MODULE, $candidate->cmid);
        $coursecontext = get_context_instance(CONTEXT_COURSE, $candidate->course);
        $files = $fs->get_directory_files($coursecontext->id, 'course_content', 0, $directory, true, true);
        $file_record = array('contextid' => $context->id, 'filearea' => 'folder_content', 'itemid' => 0);
        foreach ($files as $file) {
            $path = $file->get_filepath();
            if (stripos($path, '/backupdata/') === 0 or stripos($path, '/moddata/') === 0) {
                // do not publish protected data!
                continue;
            }
            $relpath = substr($path, strlen($directory) - 1);
            // keep only subfolder paths
            $file_record['filepath'] = $relpath;
            $fs->create_file_from_storedfile($file_record, $file);
        }
    }
    $candidates->close();
    // clear all course modinfo caches
    rebuild_course_cache(0, true);
}

    /**
     * Create new assign module instance
     * @param array|stdClass $record
     * @param array $options (mostly course_module properties)
     * @return stdClass activity record with extra cmid field
     */
    public function create_instance($record = null, array $options = null) {
        global $CFG;
        require_once("$CFG->dirroot/mod/assign/lib.php");

        $this->instancecount++;
        $i = $this->instancecount;

        $record = (object)(array)$record;
        $options = (array)$options;

        if (empty($record->course)) {
            throw new coding_exception('module generator requires $record->course');
        }

        $defaultsettings = array(
            'name'                              => get_string('pluginname', 'assign').' '.$i,
            'intro'                             => 'Test assign ' . $i,
            'introformat'                       => FORMAT_MOODLE,
            'alwaysshowdescription'             => 1,
            'submissiondrafts'                  => 1,
            'requiresubmissionstatement'        => 0,
            'sendnotifications'                 => 0,
            'sendlatenotifications'             => 0,
            'duedate'                           => 0,
            'allowsubmissionsfromdate'          => 0,
            'grade'                             => 100,
            'cutoffdate'                        => 0,
            'teamsubmission'                    => 0,
            'requireallteammemberssubmit'       => 0,
            'teamsubmissiongroupingid'          => 0,
            'blindmarking'                      => 0,
            'cmidnumber'                        => '',
            'attemptreopenmethod'               => 'none',
            'maxattempts'                       => -1
        );

        foreach ($defaultsettings as $name => $value) {
            if (!isset($record->{$name})) {
                $record->{$name} = $value;
            }
        }

        $record->coursemodule = $this->precreate_course_module($record->course, $options);
        $id = assign_add_instance($record, null);
        rebuild_course_cache($record->course, true);
        return $this->post_add_instance($id, $record->coursemodule);
    }

function FN_update_course($form, $oldformat = false)
{
    global $CFG;
    /// Updates course specific variables.
    /// Variables are: 'showsection0', 'showannouncements'.
    $config_vars = array('showsection0', 'showannouncements', 'sec0title', 'showhelpdoc', 'showclassforum', 'showclasschat', 'logo', 'mycourseblockdisplay', 'showgallery', 'gallerydefault', 'usesitegroups', 'mainheading', 'topicheading', 'activitytracking', 'ttmarking', 'ttgradebook', 'ttdocuments', 'ttstaff', 'defreadconfirmmess', 'usemandatory', 'expforumsec');
    foreach ($config_vars as $config_var) {
        if ($varrec = get_record('course_config_FN', 'courseid', $form->id, 'variable', $config_var)) {
            $varrec->value = $form->{$config_var};
            update_record('course_config_FN', $varrec);
        } else {
            $varrec->courseid = $form->id;
            $varrec->variable = $config_var;
            $varrec->value = $form->{$config_var};
            insert_record('course_config_FN', $varrec);
        }
    }
    /// We need to have the sections created ahead of time for the weekly nav to work,
    /// so check and create here.
    if (!($sections = get_all_sections($form->id))) {
        $sections = array();
    }
    for ($i = 0; $i <= $form->numsections; $i++) {
        if (empty($sections[$i])) {
            $section = new Object();
            $section->course = $form->id;
            // Create a new section structure
            $section->section = $i;
            $section->summary = "";
            $section->visible = 1;
            if (!($section->id = insert_record("course_sections", $section))) {
                notify("Error inserting new section!");
            }
        }
    }
    /// Check for a change to an FN format. If so, set some defaults as well...
    if ($oldformat != 'FN') {
        /// Set the news (announcements) forum to no force subscribe, and no posts or discussions.
        require_once $CFG->dirroot . '/mod/forum/lib.php';
        $news = forum_get_course_forum($form->id, 'news');
        $news->open = 0;
        $news->forcesubscribe = 0;
        update_record('forum', $news);
    }
    rebuild_course_cache($form->id);
}

 public function execute()
 {
     global $CFG;
     require_once $CFG->dirroot . '/lib/modinfolib.php';
     $options = $this->expandedOptions;
     if (!isset($this->arguments[0]) && !$options['all']) {
         cli_error("Either run with -a for all courses or provide course id as an argument.");
     }
     if (isset($this->arguments[0])) {
         rebuild_course_cache($this->arguments[0]);
         echo "Succesfully rebuilt cache for course " . $this->arguments[0] . "\n";
     }
     if ($options['all']) {
         rebuild_course_cache();
         exit("Succesfully rebuilt all course caches\n");
     }
 }

function FN_update_course($form, $oldformat = false, $resubmission = false)
{
    global $CFG, $DB, $OUTPUT;
    $config_vars = array('showsection0', 'sec0title', 'mainheading', 'topicheading', 'maxtabs');
    foreach ($config_vars as $config_var) {
        if ($varrec = $DB->get_record('course_config_fn', array('courseid' => $form->id, 'variable' => $config_var))) {
            $varrec->value = $form->{$config_var};
            $DB->update_record('course_config_fn', $varrec);
        } else {
            $varrec->courseid = $form->id;
            $varrec->variable = $config_var;
            $varrec->value = $form->{$config_var};
            $DB->insert_record('course_config_fn', $varrec);
        }
    }
    /// We need to have the sections created ahead of time for the weekly nav to work,
    /// so check and create here.
    if (!($sections = get_all_sections($form->id))) {
        $sections = array();
    }
    for ($i = 0; $i <= $form->numsections; $i++) {
        if (empty($sections[$i])) {
            $section = new Object();
            $section->course = $form->id;
            // Create a new section structure
            $section->section = $i;
            $section->summary = "";
            $section->visible = 1;
            if (!($section->id = $DB->insert_record("course_sections", $section))) {
                $OUTPUT->notification("Error inserting new section!");
            }
        }
    }
    /// Check for a change to an FN format. If so, set some defaults as well...
    if ($oldformat != 'FN') {
        /// Set the news (announcements) forum to no force subscribe, and no posts or discussions.
        require_once $CFG->dirroot . '/mod/forum/lib.php';
        $news = forum_get_course_forum($form->id, 'news');
        $news->open = 0;
        $news->forcesubscribe = 0;
        $DB->update_record('forum', $news);
    }
    rebuild_course_cache($form->id);
}

 /**
  * Add a new section with the provided title and (optional) summary
  *
  * @return string
  */
 public function addsection_action()
 {
     global $CFG, $PAGE, $DB;
     require_once $CFG->dirroot . '/course/lib.php';
     $sectioname = required_param('newsection', PARAM_TEXT);
     $summary = optional_param('summary', '', PARAM_RAW);
     require_sesskey();
     $courseid = $PAGE->context->get_course_context()->instanceid;
     $course = course_get_format($courseid)->get_course();
     $course->numsections++;
     course_get_format($course)->update_course_format_options(array('numsections' => $course->numsections));
     course_create_sections_if_missing($course, range(0, $course->numsections));
     $modinfo = get_fast_modinfo($course);
     $section = $modinfo->get_section_info($course->numsections, MUST_EXIST);
     $DB->set_field('course_sections', 'name', $sectioname, array('id' => $section->id));
     $DB->set_field('course_sections', 'summary', $summary, array('id' => $section->id));
     $DB->set_field('course_sections', 'summaryformat', FORMAT_HTML, array('id' => $section->id));
     rebuild_course_cache($course->id);
     redirect(course_get_url($course, $section->section));
 }

/**
* Given an object containing all the necessary data, 
* (defined by the form in mod.html) this function 
* will update an existing instance with new data.
*/
function customlabel_update_instance($customlabel)
{
    global $CFG;
    $oldinstance = get_record('customlabel', 'id', $customlabel->instance);
    if ($oldinstance->labelclass != $customlabel->labelclass) {
        $customlabel->content = '';
        $customlabel->name = '';
    } else {
        $customlabel->content = json_encode($customlabel);
        $instance = customlabel_load_class($customlabel);
        $instance->process_form_fields();
        $instance->preprocess_data();
        $customlabel->name = $instance->get_name();
    }
    $customlabel->timemodified = time();
    $customlabel->id = $customlabel->instance;
    $customlabel = customlabel_addslashes_fields($customlabel);
    $result = update_record('customlabel', $customlabel);
    // needed to update modinfo
    rebuild_course_cache();
    return $result;
}

/**
 * Forum database upgrade script.
 * @package mod
 * @subpackage forumng
 * @copyright 2011 The Open University
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
function xmldb_forumng_upgrade($oldversion = 0)
{
    global $CFG, $THEME, $DB;
    $dbman = $DB->get_manager();
    if ($oldversion < 2012070900) {
        // Changed format of modinfo cache, so need to rebuild all courses.
        rebuild_course_cache(0, true);
        upgrade_mod_savepoint(true, 2012070900, 'forumng');
    }
    if ($oldversion < 2012102601) {
        // Define field gradingscale to be added to forumng.
        $table = new xmldb_table('forumng');
        $field = new xmldb_field('gradingscale', XMLDB_TYPE_INTEGER, '10', null, XMLDB_NOTNULL, null, '0', 'grading');
        // Launch add field gradingscale.
        if (!$dbman->field_exists($table, $field)) {
            $dbman->add_field($table, $field);
        }
        // Changed format of modinfo cache, so need to rebuild all courses.
        rebuild_course_cache(0, true);
        // ForumNG savepoint reached.
        upgrade_mod_savepoint(true, 2012102601, 'forumng');
    }
    return true;
}