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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace aiplacement_courseassist\output;
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use aiplacement_courseassist\utils;
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use core\hook\output\after_http_headers;
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use core\hook\output\before_footer_html_generation;
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/**
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* Output handler for the course assist AI Placement.
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*
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* @package aiplacement_courseassist
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* @copyright 2024 Matt Porritt <matt.porritt@moodle.com>
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class assist_ui {
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/**
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* Bootstrap the course assist UI.
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*
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* @param before_footer_html_generation $hook
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*/
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public static function load_assist_ui(before_footer_html_generation $hook): void {
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global $PAGE, $OUTPUT, $USER;
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// Preflight checks.
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if (!self::preflight_checks()) {
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return;
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}
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// Load the markup for the assist interface.
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$params = [
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'userid' => $USER->id,
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'contextid' => $PAGE->context->id,
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];
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$html = $OUTPUT->render_from_template('aiplacement_courseassist/drawer', $params);
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$hook->add_html($html);
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}
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/**
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* Determine if we should be loading a single button or a dropdown.
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*
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* @param after_http_headers $hook
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*/
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public static function action_buttons_handler(after_http_headers $hook): void {
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global $PAGE, $OUTPUT;
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// Preflight checks.
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if (!self::preflight_checks()) {
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return;
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}
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$actions['actions'] = utils::get_actions_available($PAGE->context);
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// No actions available.
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if (empty($actions['actions'])) {
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return;
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}
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if (count($actions['actions']) > 1) {
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$actions['isdropdown'] = true;
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}
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$html = $OUTPUT->render_from_template('aiplacement_courseassist/actions', $actions);
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$hook->add_html($html);
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}
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/**
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* Preflight checks to determine if the assist UI should be loaded.
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*
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* @return bool
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*/
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private static function preflight_checks(): bool {
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global $PAGE;
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if (during_initial_install()) {
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return false;
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}
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if (!get_config('aiplacement_courseassist', 'version')) {
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return false;
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}
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if (in_array($PAGE->pagelayout, ['maintenance', 'print', 'redirect', 'embedded'])) {
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// Do not try to show assist UI inside iframe, in maintenance mode,
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// when printing, or during redirects.
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return false;
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}
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// Check we are in the right context, exit if not activity.
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if ($PAGE->context->contextlevel != CONTEXT_MODULE) {
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return false;
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}
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// Check if the user has permission to use the AI service.
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return utils::is_course_assist_available($PAGE->context);
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}
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}
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