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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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declare(strict_types=1);
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namespace core_reportbuilder\external;
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use core_collator;
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use core_component;
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use renderer_base;
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use core_reportbuilder\local\audiences\base;
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/**
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 * Custom report audience cards exporter class
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 *
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 * @package     core_reportbuilder
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 * @copyright   2022 Paul Holden <paulh@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 custom_report_audience_cards_exporter extends custom_report_menu_cards_exporter {
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    /**
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     * Get the additional values to inject while exporting
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     *
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     * @param renderer_base $output
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     * @return array
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     */
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    protected function get_other_values(renderer_base $output): array {
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        $menucards = [];
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        // Iterate over all audience types.
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        $audiences = core_component::get_component_classes_in_namespace(null, 'reportbuilder\\audience');
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        $audiencekeyindex = 0;
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        foreach ($audiences as $class => $path) {
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            if (is_subclass_of($class, base::class)) {
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                $audience = $class::instance();
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                if (!$audience->user_can_add()) {
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                    continue;
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                }
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                // New menu card per component.
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                $componentname = $audience->get_component_displayname();
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                if (!array_key_exists($componentname, $menucards)) {
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                    $menucards[$componentname] = [
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                        'name' => $componentname,
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                        'key' => 'index' . ++$audiencekeyindex,
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                        'items' => [],
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                    ];
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                }
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                // Append menu card item per audience.
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                $menucards[$componentname]['items'][] = [
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                    'name' => $audience->get_name(),
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                    'identifier' => get_class($audience),
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                    'title' => get_string('addaudience', 'core_reportbuilder', $audience->get_name()),
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                    'action' => 'add-audience',
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                    'disabled' => !$audience->is_available(),
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                ];
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            }
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        }
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        // Order items in each menu card alphabetically.
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        array_walk($menucards, static function(array &$menucard): void {
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            core_collator::asort_array_of_arrays_by_key($menucard['items'], 'name');
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            $menucard['items'] = array_values($menucard['items']);
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        });
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        return [
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            'menucards' => array_values($menucards),
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        ];
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    }
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}