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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\local\filters;
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use MoodleQuickForm;
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use core_reportbuilder\local\helpers\database;
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/**
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* Cohort selector filter class implementation
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*
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* @package core_reportbuilder
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* @copyright 2024 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 cohort extends base {
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/**
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* Setup form
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*
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* @param MoodleQuickForm $mform
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*/
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public function setup_form(MoodleQuickForm $mform): void {
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$mform->addElement(
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'cohort',
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"{$this->name}_values",
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get_string('filterfieldvalue', 'core_reportbuilder', $this->get_header()),
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[
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'multiple' => true,
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],
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)->setHiddenLabel(true);
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}
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/**
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* Return filter SQL
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*
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* @param array $values
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* @return array
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*/
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public function get_sql_filter(array $values): array {
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global $DB;
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$fieldsql = $this->filter->get_field_sql();
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$params = $this->filter->get_field_params();
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$cohortids = $values["{$this->name}_values"] ?? [];
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if (empty($cohortids)) {
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return ['', []];
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}
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[$cohortselect, $cohortparams] = $DB->get_in_or_equal(
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$cohortids,
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SQL_PARAMS_NAMED,
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database::generate_param_name('_'),
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);
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return ["{$fieldsql} $cohortselect", array_merge($params, $cohortparams)];
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}
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/**
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* Return sample filter values
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*
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* @return array
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*/
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public function get_sample_values(): array {
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return [
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"{$this->name}_values" => [1],
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];
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}
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}
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