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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 tool_courserating\local\hooks\output;
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/**
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* Hook callbacks for tool_courserating
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*
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* @package tool_courserating
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* @copyright 2024 Marina Glancy
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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 before_standard_head_html_generation {
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/**
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* Callback allowing to add to <head> of the page
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*
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* @param \core\hook\output\before_standard_head_html_generation $hook
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*/
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public static function callback(\core\hook\output\before_standard_head_html_generation $hook): void {
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if (during_initial_install() || isset($CFG->upgraderunning)) {
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// Do nothing during installation or upgrade.
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return;
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}
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if (\tool_courserating\helper::course_ratings_enabled_anywhere()) {
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// Add CSS to all pages, the course ratings can be displayed on any page (for example course listings).
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$res = '<style>' . \tool_courserating\helper::get_rating_colour_css() . '</style>';
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$hook->add_html($res);
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}
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}
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}
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