view.php

<?php
// This file is part of Moodle - https://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 <https://www.gnu.org/licenses/>.

/**
 * Prints an instance of mod_mootimeter.
 *
 * @package     mod_mootimeter
 * @copyright   2023, ISB Bayern
 * @author      Peter Mayer <peter.mayer@isb.bayern.de>
 * @license     https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require(__DIR__ . '/../../config.php');
require_once(__DIR__ . '/lib.php');

// Course module id.
$id = optional_param('id', 0, PARAM_INT);
$action = optional_param('a', "", PARAM_ALPHA);
$paramtool = optional_param('tool', "", PARAM_ALPHA);
$pageid = optional_param('pageid', 0, PARAM_INT);
$results = optional_param('results', false, PARAM_BOOL);

// Check if the provided pageid already exists / else throw error
if (!empty($pageid)) {
    $DB->get_record('mootimeter_pages', ['id' => $pageid], '*', MUST_EXIST);
}

// Set the pageid pageparam for $PAGE object.
if ($pageid) {
    $pageparams['pageid'] = $pageid;
}

$paramtitle = optional_param('title', "", PARAM_ALPHA);
$paramorder = optional_param('sortorder', "", PARAM_INT);

// Activity instance id.
$m = optional_param('m', 0, PARAM_INT);

if ($id) {
    $cm = get_coursemodule_from_id('mootimeter', $id, 0, false, MUST_EXIST);
    $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
    $moduleinstance = $DB->get_record('mootimeter', array('id' => $cm->instance), '*', MUST_EXIST);
} else {
    // $moduleinstance = $DB->get_record('mootimeter', array('id' => \mod_mootimeter\helper::get_instance_by_pageid($pageid)->instance), '*', MUST_EXIST);

    // $moduleinstance = $DB->get_record('mootimeter', array('id' => \mod_mootimeter\helper::get_instance_by_pageid($pageid)->instance), '*', MUST_EXIST);

    $moduleinstance = $DB->get_record('mootimeter', array('id' => $m), '*', MUST_EXIST);
    $course = $DB->get_record('course', array('id' => $moduleinstance->course), '*', MUST_EXIST);
    $cm = get_coursemodule_from_instance('mootimeter', $moduleinstance->id, $course->id, false, MUST_EXIST);
}

// Set the cm pageparam for $PAGE object.
$pageparams['id'] = $cm->id;

// Check if user is logged in.
require_login($course, true, $cm);
$modulecontext = context_module::instance($cm->id);

$helper = new \mod_mootimeter\helper();
$deleteerror = false;

if (!empty($action) && $action == "deletepage") {
    // Only allow deletion by moderators:
    require_capability('mod/mootimeter:moderator', $modulecontext);
    $page = $helper->get_page($pageid);
    $success = $helper->delete_page($page);
    if ($success) {
        redirect(new moodle_url('/mod/mootimeter/view.php', ['id' => $cm->id, 'a' => 'editpage']));
    } else {
        $deleteerror = true;
    }
}

if (!empty($action) && $action == "storepage") {
    // Check if the user has the capability to manage the instance:
    require_capability('mod/mootimeter:moderator', $modulecontext);

    // Store page.
    $record = new stdClass();
    $record->id = $pageid;
    $record->tool = $paramtool;
    $record->instance = $cm->instance;
    $record->title = $paramtitle;
    $record->sortorder = $paramorder;
    $record->question = optional_param('question', "", PARAM_RAW);
    $pageid = $helper->store_page($record);

    // Get all settingparams from tool.
    $page = $helper->get_page($pageid);
    $parameters = $helper->get_tool_settings_parameters($page);

    // Store pages tool config.
    $helper->store_tool_config($page);

    // Reload page.
    redirect(new moodle_url('/mod/mootimeter/view.php', ['id' => $cm->id, 'pageid' => $pageid]));
}

if (!empty($pageid)) {
    $page = $helper->get_page($pageid);

    // Check if the accessed pageid is actually part of the Mootimeter instance:
    $modulepages = $helper->get_pages($cm->instance);

    if (array_search($pageid, array_column($modulepages, "id")) === false) {
        throw new moodle_exception('generalexceptionmessage', 'error', '', get_string("pageaccessexception", "mootimeter"));
    }
}

$mt = new \mod_mootimeter\plugininfo\mootimetertool();

$pages = $helper->get_pages($cm->instance);

if(count($pages) == 1 && empty($pageid)){
    $page = array_pop($pages);
    redirect(new moodle_url('/mod/mootimeter/view.php', ['id' => $cm->id, 'pageid' => $page->id]));
}

$modulecontext = context_module::instance($cm->id);

$event = \mod_mootimeter\event\course_module_viewed::create(array(
    'objectid' => $moduleinstance->id,
    'context' => $modulecontext
));
$event->add_record_snapshot('course', $course);
$event->add_record_snapshot('mootimeter', $moduleinstance);
$event->trigger();



$PAGE->set_url('/mod/mootimeter/view.php', $pageparams);
$PAGE->set_title(format_string($moduleinstance->name));
$PAGE->set_heading(format_string($course->fullname));
$PAGE->set_context($modulecontext);
$cmid = $PAGE->url->get_param('id');

echo $OUTPUT->header();
if ($deleteerror) {
    echo html_writer::div(get_string('deleteerror', 'mod_mootimeter'), 'alert alert-danger alert-dismissible ');
}
$paramspages = $helper->get_pages_template($pages, $pageid);
$params = [
    'containerclasses' => "border rounded",
    'mootimetercard' => 'border rounded',
    'cmid' => $cmid,
    'pages' => $paramspages,
    'results' => $results,
	'isNewPage' => empty($pageid) ? 'isNewPage' : 'isNotNewPage',
];

if (empty($pages) || (!empty($action) && $action == 'editpage') || (!empty($action) && $action == 'addpage') || !empty($pageid)) {
    $enabledtools = $mt->get_enabled_plugins();
    $tools = [];
    foreach ($enabledtools as $key => $tool) {
        $tooltemp = [];
        $tooltemp['pix'] = "tools/" . $tool . "/pix/" . $tool . ".svg";
        $tooltemp['name'] = get_string('pluginname', 'mootimetertool_' . $tool);
        $tooltemp['tool'] = $tool;
        if (!empty($page)) {
            $tooltemp['selected'] = ($tool == $page->tool) ? "selected" : "";
        }
        $tools[] = $tooltemp;
    }
    $editformparams = [
        'cmid' => $cmid,
        'pageid' => $pageid,
        'title' => $paramtitle,
        'sortorder' => $paramorder,
        'tool' => $tool,
        'tools' => $tools,
        'accordionwrapperid' => 'settingswrapper',
    ];

    if (!empty($pageid)) {
        $editformparams['title'] = $page->title;
        $editformparams['sortorder'] = $page->sortorder;
        $editformparams['question'] = $page->question;
		$editformparams['isNewPage'] = 'isNotNewPage';
        $editformparams['toolsettings'] = $helper->get_tool_settings($page);
        $editformparams['instancename'] = $page->title;
    }

    $params['settings'] = $OUTPUT->render_from_template("mod_mootimeter/form_edit_page", $editformparams);

    if (!empty($page)) {

        $params['has_result'] = $helper->has_result_page($page);
        if (!$results) {
            $params['redirect_string'] = get_string("show_results", "mod_mootimeter");
            $params['redirect_result'] = new moodle_url("view.php", ["m" => $page->instance, "pageid" => $page->id, "results" => true]);
        } else {
            $params['redirect_string'] = get_string("show_options", "mod_mootimeter");
            $params['redirect_result'] = new moodle_url("view.php", ["m" => $page->instance, "pageid" => $page->id, "results" => false]);
            $params['pagecontent'] = $helper->get_rendered_page_result($page);
        }

        if (empty($params['pagecontent'])) {
            $params['pagecontent'] = $helper->get_rendered_page_content($page, $cm, false);
        }
    }

    $params['isediting'] = $PAGE->user_is_editing();
}

// Hide Pages col if it is not needed at all.
if ($PAGE->user_is_editing() || count($pages) > 1) {
    $params['showpagescol'] = true;
}

echo $OUTPUT->render_from_template("mod_mootimeter/main_screen_new", $params);

echo $OUTPUT->footer();