//.........这里部分代码省略.........
        $fromform->groupmode = 0;
        // do not set groupmode
    }
    if (!course_allowed_module($course, $fromform->modulename)) {
        print_error('moduledisable', '', '', $fromform->modulename);
    }
    // first add course_module record because we need the context
    $newcm = new stdClass();
    $newcm->course = $course->id;
    $newcm->module = $fromform->module;
    $newcm->instance = 0;
    // not known yet, will be updated later (this is similar to restore code)
    $newcm->visible = $fromform->visible;
    $newcm->groupmode = $fromform->groupmode;
    $newcm->groupingid = $fromform->groupingid;
    $newcm->groupmembersonly = $fromform->groupmembersonly;
    $completion = new completion_info($course);
    if ($completion->is_enabled()) {
        $newcm->completion = $fromform->completion;
        $newcm->completiongradeitemnumber = $fromform->completiongradeitemnumber;
        $newcm->completionview = $fromform->completionview;
        $newcm->completionexpected = $fromform->completionexpected;
    }
    if (!empty($CFG->enableavailability)) {
        $newcm->availablefrom = $fromform->availablefrom;
        $newcm->availableuntil = $fromform->availableuntil;
        $newcm->showavailability = $fromform->showavailability;
    }
    if (isset($fromform->showdescription)) {
        $newcm->showdescription = $fromform->showdescription;
    } else {
        $newcm->showdescription = 0;
    }
    if (!($fromform->coursemodule = add_course_module($newcm))) {
        print_error('cannotaddcoursemodule');
    }
    if (plugin_supports('mod', $fromform->modulename, FEATURE_MOD_INTRO, true)) {
        $draftid_editor = file_get_submitted_draft_itemid('introeditor');
        file_prepare_draft_area($draftid_editor, null, null, null, null);
        $fromform->introeditor = array('text' => '', 'format' => FORMAT_HTML, 'itemid' => $draftid_editor);
        // TODO: add better default
    }
    if (plugin_supports('mod', $fromform->modulename, FEATURE_MOD_INTRO, true)) {
        $introeditor = $fromform->introeditor;
        unset($fromform->introeditor);
        $fromform->intro = $introeditor['text'];
        $fromform->introformat = $introeditor['format'];
    }
    $addinstancefunction = $fromform->modulename . "_add_instance";
    $updateinstancefunction = $fromform->modulename . "_update_instance";
    $returnfromfunc = $addinstancefunction($fromform, $mform);
    //	$returnfromfunc = url_add_instance($fromform, $mform);
    if (!$returnfromfunc or !is_number($returnfromfunc)) {
        // undo everything we can
        $modcontext = get_context_instance(CONTEXT_MODULE, $fromform->coursemodule);
        delete_context(CONTEXT_MODULE, $fromform->coursemodule);
        $DB->delete_records('course_modules', array('id' => $fromform->coursemodule));
        if (!is_number($returnfromfunc)) {
            print_error('invalidfunction', '', course_get_url($course, $cw->section));
        } else {
            print_error('cannotaddnewmodule', '', course_get_url($course, $cw->section), $fromform->modulename);
        }
    }
    $fromform->instance = $returnfromfunc;
    $DB->set_field('course_modules', 'instance', $returnfromfunc, array('id' => $fromform->coursemodule));
    // update embedded links and save files
    $modcontext = get_context_instance(CONTEXT_MODULE, $fromform->coursemodule);
    if (!empty($introeditor)) {
        $fromform->intro = file_save_draft_area_files($introeditor['itemid'], $modcontext->id, 'mod_' . $fromform->modulename, 'intro', 0, array('subdirs' => true), $introeditor['text']);
        $DB->set_field($fromform->modulename, 'intro', $fromform->intro, array('id' => $fromform->instance));
    }
    // course_modules and course_sections each contain a reference
    // to each other, so we have to update one of them twice.
    $sectionid = add_mod_to_section($fromform);
    $DB->set_field('course_modules', 'section', $sectionid, array('id' => $fromform->coursemodule));
    // make sure visibility is set correctly (in particular in calendar)
    set_coursemodule_visible($fromform->coursemodule, $fromform->visible);
    if (isset($fromform->cmidnumber)) {
        //label
        // set cm idnumber
        set_coursemodule_idnumber($fromform->coursemodule, $fromform->cmidnumber);
    }
    // Set up conditions
    if ($CFG->enableavailability) {
        condition_info::update_cm_from_form((object) array('id' => $fromform->coursemodule), $fromform, false);
    }
    $eventname = 'mod_created';
    add_to_log($course->id, "course", "add mod", "../mod/{$fromform->modulename}/view.php?id={$fromform->coursemodule}", "{$fromform->modulename} {$fromform->instance}");
    add_to_log($course->id, $fromform->modulename, "add", "view.php?id={$fromform->coursemodule}", "{$fromform->instance}", $fromform->coursemodule);
    // Trigger mod_created/mod_updated event with information about this module.
    $eventdata = new stdClass();
    $eventdata->modulename = $fromform->modulename;
    $eventdata->name = $fromform->name;
    $eventdata->cmid = $fromform->coursemodule;
    $eventdata->courseid = $course->id;
    $eventdata->userid = $USER->id;
    events_trigger($eventname, $eventdata);
    rebuild_course_cache($course->id);
    return 1;
}

 /**
  * Setup the DB fixture data
  */
 public function setup()
 {
     parent::setUp();
     $tables = array('block_instance', 'cache_flags', 'capabilities', 'context', 'context_temp', 'course', 'course_modules', 'course_categories', 'course_sections', 'files', 'files_cleanup', 'grade_items', 'grade_categories', 'groups', 'groups_members', 'modules', 'role', 'role_names', 'role_context_levels', 'role_assignments', 'role_capabilities', 'user');
     $this->create_test_tables($tables, 'lib');
     $this->create_test_table('forum', 'mod/forum');
     $this->switch_to_test_db();
     global $DB, $CFG;
     // Insert needed capabilities
     $DB->insert_record('capabilities', array('id' => 45, 'name' => 'moodle/course:update', 'cattype' => 'write', 'contextlevel' => 50, 'component' => 'moodle', 'riskbitmask' => 4));
     $DB->insert_record('capabilities', array('id' => 14, 'name' => 'moodle/site:backup', 'cattype' => 'write', 'contextlevel' => 50, 'component' => 'moodle', 'riskbitmask' => 28));
     $DB->insert_record('capabilities', array('id' => 17, 'name' => 'moodle/site:restore', 'cattype' => 'write', 'contextlevel' => 50, 'component' => 'moodle', 'riskbitmask' => 28));
     $DB->insert_record('capabilities', array('id' => 52, 'name' => 'moodle/course:managefiles', 'cattype' => 'write', 'contextlevel' => 50, 'component' => 'moodle', 'riskbitmask' => 4));
     $DB->insert_record('capabilities', array('id' => 73, 'name' => 'moodle/user:editownprofile', 'cattype' => 'write', 'contextlevel' => 10, 'component' => 'moodle', 'riskbitmask' => 16));
     // Insert system context
     $DB->insert_record('context', array('id' => 1, 'contextlevel' => 10, 'instanceid' => 0, 'path' => '/1', 'depth' => 1));
     $DB->insert_record('context', array('id' => 2, 'contextlevel' => 50, 'instanceid' => 1, 'path' => '/1/2', 'depth' => 2));
     // Insert site course
     $DB->insert_record('course', array('category' => 0, 'sortorder' => 1, 'fullname' => 'Test site', 'shortname' => 'test', 'format' => 'site', 'modinfo' => 'a:0:{}'));
     // User and capability stuff (stolen from testaccesslib.php)
     $syscontext = get_system_context(false);
     $adminrole = create_role(get_string('administrator'), 'admin', get_string('administratordescription'), 'moodle/legacy:admin');
     /// Now is the correct moment to install capabilities - after creation of legacy roles, but before assigning of roles
     assign_capability('moodle/site:doanything', CAP_ALLOW, $adminrole, $syscontext->id);
     update_capabilities('moodle');
     update_capabilities('mod/forum');
     $contexts = $this->load_test_data('context', array('contextlevel', 'instanceid', 'path', 'depth'), array(1 => array(40, 666, '', 2)));
     $contexts[0] = $syscontext;
     $contexts[1]->path = $contexts[0]->path . '/' . $contexts[1]->id;
     $this->testdb->set_field('context', 'path', $contexts[1]->path, array('id' => $contexts[1]->id));
     $users = $this->load_test_data('user', array('username', 'confirmed', 'deleted'), array('a' => array('a', 1, 0)));
     $admin = $this->testdb->get_record('role', array('shortname' => 'admin'));
     $ras = $this->load_test_data('role_assignments', array('userid', 'roleid', 'contextid'), array('a' => array($users['a']->id, $admin->id, $contexts[0]->id)));
     $this->switch_global_user_id(1);
     accesslib_clear_all_caches_for_unit_testing();
     // Create a coursecat
     $newcategory = new stdClass();
     $newcategory->name = 'test category';
     $newcategory->sortorder = 999;
     if (!($newcategory->id = $DB->insert_record('course_categories', $newcategory))) {
         print_error('cannotcreatecategory', '', '', format_string($newcategory->name));
     }
     $newcategory->context = get_context_instance(CONTEXT_COURSECAT, $newcategory->id);
     mark_context_dirty($newcategory->context->path);
     fix_course_sortorder();
     // Required to build course_categories.depth and .path.
     $this->coursecat = $DB->get_record('course_categories', array('id' => $newcategory->id));
     // Create a course
     $coursedata = new stdClass();
     $coursedata->category = $newcategory->id;
     $coursedata->shortname = 'testcourse';
     $coursedata->fullname = 'Test Course';
     try {
         $this->course = create_course($coursedata);
     } catch (moodle_exception $e) {
         // Most likely the result of an aborted unit test: the test course was not correctly deleted
         $this->course = $DB->get_record('course', array('shortname' => $coursedata->shortname));
     }
     // Create a user
     $this->user = new stdClass();
     $this->user->username = 'testuser09987654321';
     $this->user->password = 'password';
     $this->user->firstname = 'TestUser';
     $this->user->lastname = 'TestUser';
     $this->user->email = '[email protected]';
     try {
         $this->user->id = create_user($this->user);
     } catch (moodle_exception $e) {
         // Most likely the result of an aborted unit test: the test user was not correctly deleted
         $this->user->id = $DB->get_field('user', 'id', array('username' => $this->user->username));
     }
     // Assign user to course
     // role_assign(5, $this->user->id, 0, get_context_instance(CONTEXT_COURSE, $this->course->id)->id);
     // Create a module
     $module = new stdClass();
     $module->intro = 'Forum used for testing filelib API';
     $module->type = 'general';
     $module->forcesubscribe = 1;
     $module->format = 1;
     $module->name = 'Test Forum';
     $module->module = $DB->get_field('modules', 'id', array('name' => 'forum'));
     $module->modulename = 'forum';
     $module->add = 'forum';
     $module->cmidnumber = '';
     $module->course = $this->course->id;
     $module->instance = forum_add_instance($module, '');
     $this->section = get_course_section(1, $this->course->id);
     $module->section = $this->section->id;
     $module->coursemodule = add_course_module($module);
     add_mod_to_section($module);
     $module->cmidnumber = set_coursemodule_idnumber($module->coursemodule, '');
     rebuild_course_cache($this->course->id);
     $this->module = $DB->get_record('forum', array('id' => $module->instance));
     $this->module->instance = $module->instance;
     // Update local copy of course
     $this->course = $DB->get_record('course', array('id' => $this->course->id));
 }

/**
 * Update the module info.
 * This function doesn't check the user capabilities. It updates the course module and the module instance.
 * Then execute common action to create/update module process (trigger event, rebuild cache, save plagiarism settings...).
 *
 * @param object $cm course module
 * @param object $moduleinfo module info
 * @param object $course course of the module
 * @param object $mform - the mform is required by some specific module in the function MODULE_update_instance(). This is due to a hack in this function.
 * @return array list of course module and module info.
 */
function update_moduleinfo($cm, $moduleinfo, $course, $mform = null)
{
    global $DB, $CFG;
    // Attempt to include module library before we make any changes to DB.
    include_modulelib($moduleinfo->modulename);
    $moduleinfo->course = $course->id;
    $moduleinfo = set_moduleinfo_defaults($moduleinfo);
    if (!empty($course->groupmodeforce) or !isset($moduleinfo->groupmode)) {
        $moduleinfo->groupmode = $cm->groupmode;
        // Keep original.
    }
    // Update course module first.
    $cm->groupmode = $moduleinfo->groupmode;
    if (isset($moduleinfo->groupingid)) {
        $cm->groupingid = $moduleinfo->groupingid;
    }
    $completion = new completion_info($course);
    if ($completion->is_enabled() && !empty($moduleinfo->completionunlocked)) {
        // Update completion settings.
        $cm->completion = $moduleinfo->completion;
        $cm->completiongradeitemnumber = $moduleinfo->completiongradeitemnumber;
        $cm->completionview = $moduleinfo->completionview;
        $cm->completionexpected = $moduleinfo->completionexpected;
    }
    if (!empty($CFG->enableavailability)) {
        // This code is used both when submitting the form, which uses a long
        // name to avoid clashes, and by unit test code which uses the real
        // name in the table.
        if (property_exists($moduleinfo, 'availabilityconditionsjson')) {
            if ($moduleinfo->availabilityconditionsjson !== '') {
                $cm->availability = $moduleinfo->availabilityconditionsjson;
            } else {
                $cm->availability = null;
            }
        } else {
            if (property_exists($moduleinfo, 'availability')) {
                $cm->availability = $moduleinfo->availability;
            }
        }
    }
    if (isset($moduleinfo->showdescription)) {
        $cm->showdescription = $moduleinfo->showdescription;
    } else {
        $cm->showdescription = 0;
    }
    $DB->update_record('course_modules', $cm);
    $modcontext = context_module::instance($moduleinfo->coursemodule);
    // Update embedded links and save files.
    if (plugin_supports('mod', $moduleinfo->modulename, FEATURE_MOD_INTRO, true)) {
        $moduleinfo->intro = file_save_draft_area_files($moduleinfo->introeditor['itemid'], $modcontext->id, 'mod_' . $moduleinfo->modulename, 'intro', 0, array('subdirs' => true), $moduleinfo->introeditor['text']);
        $moduleinfo->introformat = $moduleinfo->introeditor['format'];
        unset($moduleinfo->introeditor);
    }
    $updateinstancefunction = $moduleinfo->modulename . "_update_instance";
    if (!$updateinstancefunction($moduleinfo, $mform)) {
        print_error('cannotupdatemod', '', course_get_url($course, $cw->section), $moduleinfo->modulename);
    }
    // Make sure visibility is set correctly (in particular in calendar).
    if (has_capability('moodle/course:activityvisibility', $modcontext)) {
        set_coursemodule_visible($moduleinfo->coursemodule, $moduleinfo->visible);
    }
    if (isset($moduleinfo->cmidnumber)) {
        // Label.
        // Set cm idnumber - uniqueness is already verified by form validation.
        set_coursemodule_idnumber($moduleinfo->coursemodule, $moduleinfo->cmidnumber);
    }
    // Now that module is fully updated, also update completion data if required.
    // (this will wipe all user completion data and recalculate it)
    if ($completion->is_enabled() && !empty($moduleinfo->completionunlocked)) {
        $completion->reset_all_state($cm);
    }
    $cm->name = $moduleinfo->name;
    \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger();
    $moduleinfo = edit_module_post_actions($moduleinfo, $course);
    return array($cm, $moduleinfo);
}

//.........这里部分代码省略.........
                         case 'label':
                             $module->content = $content;
                             $module->intro = $description;
                             break;
                         case 'lesson':
                             $module->lessondefault = 1;
                             $module->available = mktime();
                             $module->deadline = mktime() + 719891987;
                             $module->grade = 100;
                             break;
                         case 'quiz':
                             $module->intro = $description;
                             $module->feedbacktext = 'blah';
                             $module->feedback = 1;
                             $module->feedbackboundaries = array(2, 1);
                             $module->grade = 10;
                             $module->timeopen = time();
                             $module->timeclose = time() + 68854;
                             $module->shufflequestions = true;
                             $module->shuffleanswers = true;
                             $module->quizpassword = '';
                             break;
                         case 'resource':
                             $module->type = $this->get_module_type('resource');
                             $module->alltext = $content;
                             $module->summary = $description;
                             $module->windowpopup = rand(0, 1);
                             $module->display = rand(0, 1);
                             $module->resizable = rand(0, 1);
                             $module->scrollbars = rand(0, 1);
                             $module->directories = rand(0, 1);
                             $module->location = 'file.txt';
                             $module->menubar = rand(0, 1);
                             $module->toolbar = rand(0, 1);
                             $module->status = rand(0, 1);
                             $module->width = rand(200, 600);
                             $module->height = rand(200, 600);
                             $module->directories = rand(0, 1);
                             $module->files = false;
                             $module->param_navigationmenu = rand(0, 1);
                             $module->param_navigationbuttons = rand(0, 1);
                             $module->reference = 1;
                             $module->forcedownload = 1;
                             break;
                         case 'survey':
                             $module->template = rand(1, 5);
                             $module->intro = $description;
                             break;
                         case 'wiki':
                             $module->intro = $description;
                             $module->summary = $description;
                             break;
                     }
                     $module->name = ucfirst($moduledata->name) . ' ' . $moduledata->count++;
                     $module->course = $courseid;
                     $module->section = $i;
                     $module->module = $moduledata->id;
                     $module->modulename = $moduledata->name;
                     $module->add = $moduledata->name;
                     $module->cmidnumber = '';
                     $module->coursemodule = '';
                     $add_instance_function = $moduledata->name . '_add_instance';
                     $section = get_course_section($i, $courseid);
                     $module->section = $section->id;
                     $module->coursemodule = add_course_module($module);
                     $module->section = $i;
                     if (function_exists($add_instance_function)) {
                         $this->verbose("Calling module function {$add_instance_function}");
                         $module->instance = $add_instance_function($module, '');
                         $DB->set_field('course_modules', 'instance', $module->instance, array('id' => $module->coursemodule));
                     } else {
                         $this->verbose("Function {$add_instance_function} does not exist!");
                         if (!$this->get('ignore_errors')) {
                             die;
                         }
                     }
                     add_mod_to_section($module);
                     $module->cmidnumber = set_coursemodule_idnumber($module->coursemodule, '');
                     $this->verbose("A {$moduledata->name} module was added to section {$i} (id {$module->section}) " . "of course {$courseid}.");
                     rebuild_course_cache($courseid);
                     $module_instance = $DB->get_field('course_modules', 'instance', array('id' => $module->coursemodule));
                     $module_record = $DB->get_record($moduledata->name, array('id' => $module_instance));
                     $module_record->instance = $module_instance;
                     if (empty($modules_array[$moduledata->name])) {
                         $modules_array[$moduledata->name] = array();
                     }
                     // TODO Find out why some $module_record end up empty here... (particularly quizzes)
                     if (!empty($module_record->instance)) {
                         $modules_array[$moduledata->name][] = $module_record;
                     }
                 }
             }
         }
         if (!$this->get('quiet')) {
             echo "Successfully generated " . $this->get('number_of_modules') * $this->get('number_of_sections') . " modules in each course!{$this->eolchar}";
         }
         return $modules_array;
     }
     return null;
 }

/**
 * Add course module.
 *
 * The function does not check user capabilities.
 * The function creates course module, module instance, add the module to the correct section.
 * It also trigger common action that need to be done after adding/updating a module.
 *
 * @param object $moduleinfo the moudle data
 * @param object $course the course of the module
 * @param object $mform this is required by an existing hack to deal with files during MODULENAME_add_instance()
 * @return object the updated module info
 */
function local_ltiprovider_add_moduleinfo($moduleinfo, $course, $mform = null)
{
    global $DB, $CFG;
    $moduleinfo->course = $course->id;
    $moduleinfo = local_ltiprovider_set_moduleinfo_defaults($moduleinfo);
    if (!empty($course->groupmodeforce) or !isset($moduleinfo->groupmode)) {
        $moduleinfo->groupmode = 0;
        // Do not set groupmode.
    }
    if (!course_allowed_module($course, $moduleinfo->modulename)) {
        print_error('moduledisable', '', '', $moduleinfo->modulename);
    }
    // First add course_module record because we need the context.
    $newcm = new stdClass();
    $newcm->course = $course->id;
    $newcm->module = $moduleinfo->module;
    $newcm->instance = 0;
    // Not known yet, will be updated later (this is similar to restore code).
    $newcm->visible = $moduleinfo->visible;
    $newcm->visibleold = $moduleinfo->visible;
    $newcm->groupmode = $moduleinfo->groupmode;
    $newcm->groupingid = $moduleinfo->groupingid;
    $newcm->groupmembersonly = $moduleinfo->groupmembersonly;
    $completion = new completion_info($course);
    if ($completion->is_enabled()) {
        $newcm->completion = $moduleinfo->completion;
        $newcm->completiongradeitemnumber = $moduleinfo->completiongradeitemnumber;
        $newcm->completionview = $moduleinfo->completionview;
        $newcm->completionexpected = $moduleinfo->completionexpected;
    }
    if (!empty($CFG->enableavailability)) {
        $newcm->availablefrom = $moduleinfo->availablefrom;
        $newcm->availableuntil = $moduleinfo->availableuntil;
        $newcm->showavailability = $moduleinfo->showavailability;
    }
    if (isset($moduleinfo->showdescription)) {
        $newcm->showdescription = $moduleinfo->showdescription;
    } else {
        $newcm->showdescription = 0;
    }
    if (!($moduleinfo->coursemodule = add_course_module($newcm))) {
        print_error('cannotaddcoursemodule');
    }
    if (plugin_supports('mod', $moduleinfo->modulename, FEATURE_MOD_INTRO, true)) {
        $introeditor = $moduleinfo->introeditor;
        unset($moduleinfo->introeditor);
        $moduleinfo->intro = $introeditor['text'];
        $moduleinfo->introformat = $introeditor['format'];
    }
    $addinstancefunction = $moduleinfo->modulename . "_add_instance";
    $returnfromfunc = $addinstancefunction($moduleinfo, $mform);
    if (!$returnfromfunc or !is_number($returnfromfunc)) {
        // Undo everything we can.
        $modcontext = context_module::instance($moduleinfo->coursemodule);
        delete_context(CONTEXT_MODULE, $moduleinfo->coursemodule);
        $DB->delete_records('course_modules', array('id' => $moduleinfo->coursemodule));
        if (!is_number($returnfromfunc)) {
            print_error('invalidfunction', '', course_get_url($course, $cw->section));
        } else {
            print_error('cannotaddnewmodule', '', course_get_url($course, $cw->section), $moduleinfo->modulename);
        }
    }
    $moduleinfo->instance = $returnfromfunc;
    $DB->set_field('course_modules', 'instance', $returnfromfunc, array('id' => $moduleinfo->coursemodule));
    // Update embedded links and save files.
    $modcontext = context_module::instance($moduleinfo->coursemodule);
    if (!empty($introeditor)) {
        $moduleinfo->intro = file_save_draft_area_files($introeditor['itemid'], $modcontext->id, 'mod_' . $moduleinfo->modulename, 'intro', 0, array('subdirs' => true), $introeditor['text']);
        $DB->set_field($moduleinfo->modulename, 'intro', $moduleinfo->intro, array('id' => $moduleinfo->instance));
    }
    // Course_modules and course_sections each contain a reference to each other.
    // So we have to update one of them twice.
    $sectionid = course_add_cm_to_section($course, $moduleinfo->coursemodule, $moduleinfo->section);
    // Make sure visibility is set correctly (in particular in calendar).
    // Note: allow them to set it even without moodle/course:activityvisibility.
    set_coursemodule_visible($moduleinfo->coursemodule, $moduleinfo->visible);
    if (isset($moduleinfo->cmidnumber)) {
        // Label.
        // Set cm idnumber - uniqueness is already verified by form validation.
        set_coursemodule_idnumber($moduleinfo->coursemodule, $moduleinfo->cmidnumber);
    }
    // Set up conditions.
    if ($CFG->enableavailability) {
        condition_info::update_cm_from_form((object) array('id' => $moduleinfo->coursemodule), $moduleinfo, false);
    }
    $eventname = 'mod_created';
    add_to_log($course->id, "course", "add mod", "../mod/{$moduleinfo->modulename}/view.php?id={$moduleinfo->coursemodule}", "{$moduleinfo->modulename} {$moduleinfo->instance}");
    add_to_log($course->id, $moduleinfo->modulename, "add", "view.php?id={$moduleinfo->coursemodule}", "{$moduleinfo->instance}", $moduleinfo->coursemodule);
//.........这里部分代码省略.........

/**
 * Update the module info.
 * This function doesn't check the user capabilities. It updates the course module and the module instance.
 * Then execute common action to create/update module process (trigger event, rebuild cache, save plagiarism settings...).
 *
 * @param object $cm course module
 * @param object $moduleinfo module info
 * @param object $course course of the module
 * @param object $mform - the mform is required by some specific module in the function MODULE_update_instance(). This is due to a hack in this function.
 * @return array list of course module and module info.
 */
function update_moduleinfo($cm, $moduleinfo, $course, $mform = null)
{
    global $DB, $CFG;
    // Attempt to include module library before we make any changes to DB.
    include_modulelib($moduleinfo->modulename);
    $moduleinfo->course = $course->id;
    $moduleinfo = set_moduleinfo_defaults($moduleinfo);
    if (!empty($course->groupmodeforce) or !isset($moduleinfo->groupmode)) {
        $moduleinfo->groupmode = $cm->groupmode;
        // Keep original.
    }
    // Update course module first.
    $cm->groupmode = $moduleinfo->groupmode;
    if (isset($moduleinfo->groupingid)) {
        $cm->groupingid = $moduleinfo->groupingid;
    }
    if (isset($moduleinfo->groupmembersonly)) {
        $cm->groupmembersonly = $moduleinfo->groupmembersonly;
    }
    $completion = new completion_info($course);
    if ($completion->is_enabled() && !empty($moduleinfo->completionunlocked)) {
        // Update completion settings.
        $cm->completion = $moduleinfo->completion;
        $cm->completiongradeitemnumber = $moduleinfo->completiongradeitemnumber;
        $cm->completionview = $moduleinfo->completionview;
        $cm->completionexpected = $moduleinfo->completionexpected;
    }
    if (!empty($CFG->enableavailability)) {
        $cm->availablefrom = $moduleinfo->availablefrom;
        $cm->availableuntil = $moduleinfo->availableuntil;
        $cm->showavailability = $moduleinfo->showavailability;
        condition_info::update_cm_from_form($cm, $moduleinfo, true);
    }
    if (isset($moduleinfo->showdescription)) {
        $cm->showdescription = $moduleinfo->showdescription;
    } else {
        $cm->showdescription = 0;
    }
    $DB->update_record('course_modules', $cm);
    $modcontext = context_module::instance($moduleinfo->coursemodule);
    // Update embedded links and save files.
    if (plugin_supports('mod', $moduleinfo->modulename, FEATURE_MOD_INTRO, true)) {
        $moduleinfo->intro = file_save_draft_area_files($moduleinfo->introeditor['itemid'], $modcontext->id, 'mod_' . $moduleinfo->modulename, 'intro', 0, array('subdirs' => true), $moduleinfo->introeditor['text']);
        $moduleinfo->introformat = $moduleinfo->introeditor['format'];
        unset($moduleinfo->introeditor);
    }
    $updateinstancefunction = $moduleinfo->modulename . "_update_instance";
    if (!$updateinstancefunction($moduleinfo, $mform)) {
        print_error('cannotupdatemod', '', course_get_url($course, $cw->section), $moduleinfo->modulename);
    }
    // Make sure visibility is set correctly (in particular in calendar).
    if (has_capability('moodle/course:activityvisibility', $modcontext)) {
        set_coursemodule_visible($moduleinfo->coursemodule, $moduleinfo->visible);
    }
    if (isset($moduleinfo->cmidnumber)) {
        // Label.
        // Set cm idnumber - uniqueness is already verified by form validation.
        set_coursemodule_idnumber($moduleinfo->coursemodule, $moduleinfo->cmidnumber);
    }
    // Now that module is fully updated, also update completion data if required.
    // (this will wipe all user completion data and recalculate it)
    if ($completion->is_enabled() && !empty($moduleinfo->completionunlocked)) {
        $completion->reset_all_state($cm);
    }
    // Trigger event based on the action we did.
    $event = \core\event\course_module_updated::create(array('courseid' => $course->id, 'context' => $modcontext, 'objectid' => $moduleinfo->coursemodule, 'other' => array('modulename' => $moduleinfo->modulename, 'name' => $moduleinfo->name, 'instanceid' => $moduleinfo->instance)));
    $event->trigger();
    add_to_log($course->id, $moduleinfo->modulename, "update", "view.php?id={$moduleinfo->coursemodule}", "{$moduleinfo->instance}", $moduleinfo->coursemodule);
    $moduleinfo = edit_module_post_actions($moduleinfo, $course);
    return array($cm, $moduleinfo);
}

//.........这里部分代码省略.........
    $cm->groupmode = $moduleinfo->groupmode;
    if (isset($moduleinfo->groupingid)) {
        $cm->groupingid = $moduleinfo->groupingid;
    }
    $completion = new completion_info($course);
    if ($completion->is_enabled()) {
        // Completion settings that would affect users who have already completed
        // the activity may be locked; if so, these should not be updated.
        if (!empty($moduleinfo->completionunlocked)) {
            $cm->completion = $moduleinfo->completion;
            $cm->completiongradeitemnumber = $moduleinfo->completiongradeitemnumber;
            $cm->completionview = $moduleinfo->completionview;
        }
        // The expected date does not affect users who have completed the activity,
        // so it is safe to update it regardless of the lock status.
        $cm->completionexpected = $moduleinfo->completionexpected;
    }
    if (!empty($CFG->enableavailability)) {
        // This code is used both when submitting the form, which uses a long
        // name to avoid clashes, and by unit test code which uses the real
        // name in the table.
        if (property_exists($moduleinfo, 'availabilityconditionsjson')) {
            if ($moduleinfo->availabilityconditionsjson !== '') {
                $cm->availability = $moduleinfo->availabilityconditionsjson;
            } else {
                $cm->availability = null;
            }
        } else {
            if (property_exists($moduleinfo, 'availability')) {
                $cm->availability = $moduleinfo->availability;
            }
        }
        // If there is any availability data, verify it.
        if ($cm->availability) {
            $tree = new \core_availability\tree(json_decode($cm->availability));
            // Save time and database space by setting null if the only data
            // is an empty tree.
            if ($tree->is_empty()) {
                $cm->availability = null;
            }
        }
    }
    if (isset($moduleinfo->showdescription)) {
        $cm->showdescription = $moduleinfo->showdescription;
    } else {
        $cm->showdescription = 0;
    }
    $DB->update_record('course_modules', $cm);
    $modcontext = context_module::instance($moduleinfo->coursemodule);
    // Update embedded links and save files.
    if (plugin_supports('mod', $moduleinfo->modulename, FEATURE_MOD_INTRO, true)) {
        $moduleinfo->intro = file_save_draft_area_files($moduleinfo->introeditor['itemid'], $modcontext->id, 'mod_' . $moduleinfo->modulename, 'intro', 0, array('subdirs' => true), $moduleinfo->introeditor['text']);
        $moduleinfo->introformat = $moduleinfo->introeditor['format'];
        unset($moduleinfo->introeditor);
    }
    // Get the a copy of the grade_item before it is modified incase we need to scale the grades.
    $oldgradeitem = null;
    $newgradeitem = null;
    if (!empty($data->grade_rescalegrades) && $data->grade_rescalegrades == 'yes') {
        // Fetch the grade item before it is updated.
        $oldgradeitem = grade_item::fetch(array('itemtype' => 'mod', 'itemmodule' => $moduleinfo->modulename, 'iteminstance' => $moduleinfo->instance, 'itemnumber' => 0, 'courseid' => $moduleinfo->course));
    }
    $updateinstancefunction = $moduleinfo->modulename . "_update_instance";
    if (!$updateinstancefunction($moduleinfo, $mform)) {
        print_error('cannotupdatemod', '', course_get_url($course, $cm->section), $moduleinfo->modulename);
    }
    // This needs to happen AFTER the grademin/grademax have already been updated.
    if (!empty($data->grade_rescalegrades) && $data->grade_rescalegrades == 'yes') {
        // Get the grade_item after the update call the activity to scale the grades.
        $newgradeitem = grade_item::fetch(array('itemtype' => 'mod', 'itemmodule' => $moduleinfo->modulename, 'iteminstance' => $moduleinfo->instance, 'itemnumber' => 0, 'courseid' => $moduleinfo->course));
        if ($newgradeitem && $oldgradeitem->gradetype == GRADE_TYPE_VALUE && $newgradeitem->gradetype == GRADE_TYPE_VALUE) {
            $params = array($course, $cm, $oldgradeitem->grademin, $oldgradeitem->grademax, $newgradeitem->grademin, $newgradeitem->grademax);
            if (!component_callback('mod_' . $moduleinfo->modulename, 'rescale_activity_grades', $params)) {
                print_error('cannotreprocessgrades', '', course_get_url($course, $cm->section), $moduleinfo->modulename);
            }
        }
    }
    // Make sure visibility is set correctly (in particular in calendar).
    if (has_capability('moodle/course:activityvisibility', $modcontext)) {
        set_coursemodule_visible($moduleinfo->coursemodule, $moduleinfo->visible);
    }
    if (isset($moduleinfo->cmidnumber)) {
        // Label.
        // Set cm idnumber - uniqueness is already verified by form validation.
        set_coursemodule_idnumber($moduleinfo->coursemodule, $moduleinfo->cmidnumber);
    }
    // Update module tags.
    if (core_tag_tag::is_enabled('core', 'course_modules') && isset($moduleinfo->tags)) {
        core_tag_tag::set_item_tags('core', 'course_modules', $moduleinfo->coursemodule, $modcontext, $moduleinfo->tags);
    }
    // Now that module is fully updated, also update completion data if required.
    // (this will wipe all user completion data and recalculate it)
    if ($completion->is_enabled() && !empty($moduleinfo->completionunlocked)) {
        $completion->reset_all_state($cm);
    }
    $cm->name = $moduleinfo->name;
    \core\event\course_module_updated::create_from_cm($cm, $modcontext)->trigger();
    $moduleinfo = edit_module_post_actions($moduleinfo, $course);
    return array($cm, $moduleinfo);
}

//.........这里部分代码省略.........
    $r_qiz->groupingid = $r_cmod->groupingid;
    $r_qiz->groupmembersonly = $r_cmod->groupmembersonly;
    $r_qiz->course = $r_cid;
    $r_qiz->module = $r_mr->id;
    $r_qiz->modulename = $r_mr->name;
    $r_qiz->instance = $r_cmod->instance;
    if (respondusws_floatcompare($CFG->version, 2011120500.0, 2) >= 0) {
        $r_qiz->showdescription = 0;
    }
    $r_cpl = new completion_info($r_crs);
    if ($r_cpl->is_enabled()) {
        $r_qiz->completion = $r_cmod->completion;
        $r_qiz->completionview = $r_cmod->completionview;
        $r_qiz->completionexpected = $r_cmod->completionexpected;
        $r_qiz->completionusegrade = is_null($r_cmod->completiongradeitemnumber) ? 0 : 1;
    }
    if ($CFG->enableavailability) {
        $r_qiz->availablefrom = $r_cmod->availablefrom;
        $r_qiz->availableuntil = $r_cmod->availableuntil;
        if ($r_qiz->availableuntil) {
            $r_qiz->availableuntil = strtotime("23:59:59", $r_qiz->availableuntil);
        }
        $r_qiz->showavailability = $r_cmod->showavailability;
    }
    $r_its = grade_item::fetch_all(array('itemtype' => 'mod', 'itemmodule' => $r_qiz->modulename, 'iteminstance' => $r_qiz->instance, 'courseid' => $r_cid));
    if ($r_its) {
        foreach ($r_its as $r_it) {
            if (!empty($r_it->outcomeid)) {
                $r_qiz->{'outcome_' . $r_it->outcomeid} = 1;
            }
        }
        $r_gc = false;
        foreach ($r_its as $r_it) {
            if ($r_gc === false) {
                $r_gc = $r_it->categoryid;
                continue;
            }
            if ($r_gc != $r_it->categoryid) {
                $r_gc = false;
                break;
            }
        }
        if ($r_gc !== false) {
            $r_qiz->gradecat = $r_gc;
        }
    }
    if ($r_imp) {
        RWSIQSet($r_qiz, $r_sn, $r_sd, $r_ecd);
    }
    $DB->update_record("course_modules", $r_qiz);
    if (is_null($r_qiz->quizpassword) && !is_null($r_qiz->password)) {
        $r_qiz->quizpassword = $r_qiz->password;
    }
    $r_res = quiz_update_instance($r_qiz);
    if (!$r_res || is_string($r_res)) {
        RWSSErr("2081");
    }
    RWSSLBSet($r_qiz);
    set_coursemodule_visible($r_qzmi, $r_qiz->visible);
    if (isset($r_qiz->cmidnumber)) {
        set_coursemodule_idnumber($r_qzmi, $r_qiz->cmidnumber);
    }
    RWSUQGrades($r_qiz);
    if ($r_cpl->is_enabled() && !empty($r_qiz->completionunlocked)) {
        $r_cpl->reset_all_state($r_qiz);
    }
    if (respondusws_floatcompare($CFG->version, 2014051200, 2) >= 0) {
        $r_qiz->modname = $r_qiz->modulename;
        $r_qiz->id = $r_qiz->coursemodule;
        \core\event\course_module_updated::create_from_cm($r_qiz)->trigger();
    } else {
        $r_evt = new stdClass();
        $r_evt->modulename = $r_qiz->modulename;
        $r_evt->name = $r_qiz->name;
        $r_evt->cmid = $r_qiz->coursemodule;
        $r_evt->courseid = $r_qiz->course;
        $r_evt->userid = $RWSUID;
        events_trigger("mod_updated", $r_evt);
    }
    rebuild_course_cache($r_cid);
    grade_regrade_final_grades($r_cid);
    if ($RWSLB->mex || $RWSLB->bex) {
        if ($RWSLB->mok) {
            if ($RWSLB->perr) {
                RWSSWarn("3003");
            }
        } else {
            if ($RWSLB->bok) {
                if ($RWSLB->perr) {
                    RWSSWarn("3003");
                }
            } else {
                RWSSWarn("3001");
            }
        }
    } else {
        RWSSWarn("3000");
    }
    RWSSStat("1004");
}

/**
* basic encapsulation of creating a glossary instance - as would be done in modedit.php
* with glossary_add_instance();
*
* @param int $courseid the id of the course to add forum to
* @param string $glossary_name  name of the glossary
* @param string $description descrition of the glossary
* @return $glossary object
* */
function local_create_glossary($courseid, $glossary_name, $description)
{
    global $CFG;
    require_once $CFG->dirroot . "/mod/glossary/lib.php";
    require_once $CFG->dirroot . "/lib/grouplib.php";
    if (!($course = get_record("course", "id", $courseid))) {
        error("This course doesn't exist");
    }
    $glossary = new object();
    $glossary->course = $courseid;
    $glossary->cmidnumber = 1;
    $glossary->name = $glossary_name;
    $glossary->intro = $description;
    $glossary->entbypage = 10;
    $glossary->mainglossary = 1;
    $glossary->globalglossary = false;
    $glossary->userrating = false;
    $glossary->ratingtime = false;
    if ($CFG->enablerssfeeds && isset($CFG->glossary_enablerssfeeds) && $CFG->glossary_enablerssfeeds) {
        $glossary->rsstype = 2;
        $glossary->rssarticles = 10;
    }
    $glossary->allowduplicatedentries = 0;
    $glossary->allowcomments = 1;
    $glossary->allowprintview = 1;
    $glossary->usedynalink = 1;
    $glossary->defaultapproval = 1;
    $glossary->displayformat = 'faq';
    $glossary->showspecial = 1;
    $glossary->showalphabet = 1;
    $glossary->showall = 1;
    $glossary->editalways = 0;
    $glossary->assesstimestart = time();
    $glossary->assesstimefinish = time();
    $glossary->showall = 1;
    $glossary->showall = 1;
    $glossary->showall = 1;
    $glossary->showall = 1;
    $glossary->groupingid = $course->defaultgroupingid;
    $glossary->groupmembersonly = 0;
    //    gradecat    8   - uncategorised
    $glossary->groupmode = 0;
    $glossary->visible = '1';
    $glossary->module = get_field('modules', 'id', 'name', 'glossary');
    $glossary->id = glossary_add_instance($glossary);
    $glossary->modulename = 'glossary';
    $glossary->instance = $glossary->id;
    $glossary->section = 0;
    // default to first level section
    $glossary->coursemodule = add_course_module($glossary);
    $sectionid = add_mod_to_section($glossary);
    set_field("course_modules", "section", $sectionid, "id", $glossary->coursemodule);
    set_coursemodule_visible($glossary->coursemodule, $glossary->visible);
    set_coursemodule_idnumber($glossary->coursemodule, $glossary->cmidnumber);
    rebuild_course_cache($glossary->course);
    return $glossary;
}

 // update embedded links and save files
 $modcontext = get_context_instance(CONTEXT_MODULE, $fromform->coursemodule);
 if (!empty($introeditor)) {
     $fromform->intro = file_save_draft_area_files($introeditor['itemid'], $modcontext->id, 'mod_' . $fromform->modulename, 'intro', 0, array('subdirs' => true), $introeditor['text']);
     $DB->set_field($fromform->modulename, 'intro', $fromform->intro, array('id' => $fromform->instance));
 }
 // course_modules and course_sections each contain a reference
 // to each other, so we have to update one of them twice.
 $sectionid = add_mod_to_section($fromform);
 $DB->set_field('course_modules', 'section', $sectionid, array('id' => $fromform->coursemodule));
 // make sure visibility is set correctly (in particular in calendar)
 set_coursemodule_visible($fromform->coursemodule, $fromform->visible);
 if (isset($fromform->cmidnumber)) {
     //label
     // set cm idnumber - uniqueness is already verified by form validation
     set_coursemodule_idnumber($fromform->coursemodule, $fromform->cmidnumber);
 }
 // Set up conditions
 if ($CFG->enableavailability) {
     condition_info::update_cm_from_form((object) array('id' => $fromform->coursemodule), $fromform, false);
 }
 // Trigger mod_created event with information about this module.
 $eventdata = new stdClass();
 $eventdata->modulename = $fromform->modulename;
 $eventdata->name = $fromform->name;
 $eventdata->cmid = $fromform->coursemodule;
 $eventdata->courseid = $course->id;
 $eventdata->userid = $USER->id;
 events_trigger('mod_created', $eventdata);
 add_to_log($course->id, "course", "add mod", "../mod/{$fromform->modulename}/view.php?id={$fromform->coursemodule}", "{$fromform->modulename} {$fromform->instance}");
 add_to_log($course->id, $fromform->modulename, "add", "view.php?id={$fromform->coursemodule}", "{$fromform->instance}", $fromform->coursemodule);

 $module->cmidnumber = '';
 $add_instance_function = $moduledata->name . '_add_instance';
 if (function_exists($ad