<?php

<       // Allows the admin to manage activity modules



> // 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/>.
> 
> /**
>  * A page to manage activity modules.
>  *
>  * @package   core_admin
>  * @copyright 2023 Andrew Lyons <andrew@nicols.co.uk>
>  * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
>  */



    require_once('../config.php');
    require_once('../course/lib.php');

<     require_once($CFG->libdir.'/adminlib.php');
<     require_once($CFG->libdir.'/tablelib.php');



> require_once("{$CFG->libdir}/adminlib.php");
> require_once("{$CFG->libdir}/tablelib.php");




<     // defines


    define('MODULE_TABLE','module_administration_table');

    admin_externalpage_setup('managemodules');


<     $show    = optional_param('show', '', PARAM_PLUGIN);
<     $hide    = optional_param('hide', '', PARAM_PLUGIN);



> $plugin = optional_param('plugin', '', PARAM_PLUGIN);
> $action = optional_param('action', '', PARAM_ALPHA);




> // If data submitted, then process and store.

> if (!empty($action) && !empty($plugin) && confirm_sesskey()) {
/// Print headings
>     $manager = \core_plugin_manager::resolve_plugininfo_class('mod');

>     $pluginname = get_string('pluginname', $plugin);
    $stractivities = get_string("activities");
> 
    $struninstall = get_string('uninstallplugin', 'core_admin');
>     if ($action === 'disable' && $manager::enable_plugin($plugin, 0)) {
    $strversion = get_string("version");
>         \core\notification::add(
    $strhide = get_string("hide");
>             get_string('plugin_disabled', 'core_admin', $pluginname),
    $strshow = get_string("show");
>             \core\notification::SUCCESS
    $strsettings = get_string("settings");
>         );
    $stractivities = get_string("activities");
>         // Settings not required - only pages.
    $stractivitymodule = get_string("activitymodule");
>         admin_get_root(true, false);
    $strshowmodulecourse = get_string('showmodulecourse');
>     } else if ($action === 'enable' && $manager::enable_plugin($plugin, 1)) {

>         \core\notification::add(
/// If data submitted, then process and store.
>             get_string('plugin_enabled', 'core_admin', $pluginname),

>             \core\notification::SUCCESS
    if (!empty($hide) and confirm_sesskey()) {
>         );



< /// Print headings
< 
<     $stractivities = get_string("activities");
<     $struninstall = get_string('uninstallplugin', 'core_admin');
<     $strversion = get_string("version");
<     $strhide = get_string("hide");
<     $strshow = get_string("show");
<     $strsettings = get_string("settings");
<     $stractivities = get_string("activities");
<     $stractivitymodule = get_string("activitymodule");
<     $strshowmodulecourse = get_string('showmodulecourse');
< 
< /// If data submitted, then process and store.
< 
<     if (!empty($hide) and confirm_sesskey()) {
<         if (!$module = $DB->get_record("modules", array("name"=>$hide))) {
<             print_error('moduledoesnotexist', 'error');
<         }
<         $DB->set_field("modules", "visible", "0", array("id"=>$module->id)); // Hide main module
<         // Remember the visibility status in visibleold
<         // and hide...
<         $sql = "UPDATE {course_modules}
<                    SET visibleold=visible, visible=0
<                  WHERE module=?";
<         $DB->execute($sql, array($module->id));
<         // Increment course.cacherev for courses where we just made something invisible.
<         // This will force cache rebuilding on the next request.
<         increment_revision_number('course', 'cacherev',
<                 "id IN (SELECT DISTINCT course
<                                 FROM {course_modules}
<                                WHERE visibleold=1 AND module=?)",
<                 array($module->id));
<         core_plugin_manager::reset_caches();
<         admin_get_root(true, false);  // settings not required - only pages
<         redirect(new moodle_url('/admin/modules.php'));



>         // Settings not required - only pages.
>         admin_get_root(true, false);



<     if (!empty($show) and confirm_sesskey()) {
<         if (!$module = $DB->get_record("modules", array("name"=>$show))) {
<             print_error('moduledoesnotexist', 'error');
<         }
<         $DB->set_field("modules", "visible", "1", array("id"=>$module->id)); // Show main module
<         $DB->set_field('course_modules', 'visible', '1', array('visibleold'=>1, 'module'=>$module->id)); // Get the previous saved visible state for the course module.
<         // Increment course.cacherev for courses where we just made something visible.
<         // This will force cache rebuilding on the next request.
<         increment_revision_number('course', 'cacherev',
<                 "id IN (SELECT DISTINCT course
<                                 FROM {course_modules}
<                                WHERE visible=1 AND module=?)",
<                 array($module->id));
<         core_plugin_manager::reset_caches();
<         admin_get_root(true, false);  // settings not required - only pages



>     // Redirect back to the modules page with out any params.



<     echo $OUTPUT->heading($stractivities);
< 
< /// Get and sort the existing modules
< 
<     if (!$modules = $DB->get_records('modules', array(), 'name ASC')) {
<         print_error('moduledoesnotexist', 'error');
<     }
< 
< /// Print the table of all modules
<     // construct the flexible table ready to display
<     $table = new flexible_table(MODULE_TABLE);
<     $table->define_columns(array('name', 'instances', 'version', 'hideshow', 'uninstall', 'settings'));
<     $table->define_headers(array($stractivitymodule, $stractivities, $strversion, "$strhide/$strshow", $strsettings, $struninstall));
<     $table->define_baseurl($CFG->wwwroot.'/'.$CFG->admin.'/modules.php');
<     $table->set_attribute('id', 'modules');
<     $table->set_attribute('class', 'admintable generaltable');
<     $table->setup();
< 
<     $pluginmanager = core_plugin_manager::instance();
< 
<     foreach ($modules as $module) {
<         $plugininfo = $pluginmanager->get_plugin_info('mod_'.$module->name);
<         $status = $plugininfo->get_status();
< 
<         if ($status === core_plugin_manager::PLUGIN_STATUS_MISSING) {
<             $strmodulename = '<span class="notifyproblem">'.$module->name.' ('.get_string('missingfromdisk').')</span>';
<             $missing = true;
<         } else {
<             // took out hspace="\10\", because it does not validate. don't know what to replace with.
<             $icon = "<img src=\"" . $OUTPUT->image_url('icon', $module->name) . "\" class=\"icon\" alt=\"\" />";
<             $strmodulename = $icon.' '.get_string('modulename', $module->name);
<             $missing = false;
<         }
< 
<         $uninstall = '';
<         if ($uninstallurl = core_plugin_manager::instance()->get_uninstall_url('mod_'.$module->name, 'manage')) {
<             $uninstall = html_writer::link($uninstallurl, $struninstall);
<         }
< 
<         if (file_exists("$CFG->dirroot/mod/$module->name/settings.php") ||
<                 file_exists("$CFG->dirroot/mod/$module->name/settingstree.php")) {
<             $settings = "<a href=\"settings.php?section=modsetting$module->name\">$strsettings</a>";
<         } else {
<             $settings = "";
<         }
< 
<         try {
<             $count = $DB->count_records_select($module->name, "course<>0");
<         } catch (dml_exception $e) {
<             $count = -1;
<         }
<         if ($count>0) {
<             $countlink = $OUTPUT->action_link(new moodle_url('/course/search.php', ['modulelist' => $module->name]),
<                 $count, null, ['title' => $strshowmodulecourse]);
<         } else if ($count < 0) {
<             $countlink = get_string('error');
<         } else {
<             $countlink = "$count";
<         }
< 
<         if ($missing) {
<             $visible = '';
<             $class   = '';
<         } else if ($module->visible) {
<             $visible = "<a href=\"modules.php?hide=$module->name&amp;sesskey=".sesskey()."\" title=\"$strhide\">".
<                        $OUTPUT->pix_icon('t/hide', $strhide) . '</a>';
<             $class   = '';
<         } else {
<             $visible = "<a href=\"modules.php?show=$module->name&amp;sesskey=".sesskey()."\" title=\"$strshow\">".
<                        $OUTPUT->pix_icon('t/show', $strshow) . '</a>';
<             $class =   'dimmed_text';
<         }
<         if ($module->name == "forum") {
<             $uninstall = "";
<             $visible = "";
<             $class = "";
<         }
<         $version = get_config('mod_'.$module->name, 'version');
< 
<         $table->add_data(array(
<             $strmodulename,
<             $countlink,
<             $version,
<             $visible,
<             $settings,
<             $uninstall,
<         ), $class);
<     }
< 
<     $table->print_html();
< 



> echo $OUTPUT->heading(get_string("activities"));
> $table = new \core_admin\table\activity_management_table();
> $table->out();



< 
<