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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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/**
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 * Privacy Subsystem implementation for customfield_date.
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 *
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 * @package    customfield_date
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 * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.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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namespace customfield_date\privacy;
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use core_customfield\data_controller;
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use core_customfield\privacy\customfield_provider;
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use core_privacy\local\request\writer;
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defined('MOODLE_INTERNAL') || die();
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/**
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 * Privacy Subsystem for customfield_date implementing null_provider.
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 *
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 * @copyright  2018 Daniel Neis Araujo <danielneis@gmail.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 provider implements \core_privacy\local\metadata\null_provider, customfield_provider {
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    /**
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     * Get the language string identifier with the component's language
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     * file to explain why this plugin stores no data.
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     *
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     * @return  string
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     */
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    public static function get_reason(): string {
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        return 'privacy:metadata';
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    }
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    /**
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     * Preprocesses data object that is going to be exported
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     *
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     * @param data_controller $data
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     * @param \stdClass $exportdata
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     * @param array $subcontext
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     */
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    public static function export_customfield_data(data_controller $data, \stdClass $exportdata, array $subcontext) {
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        $context = $data->get_context();
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        // For date field we want to use PrivacyAPI date format instead of export_value().
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        $exportdata->value = \core_privacy\local\request\transform::datetime($data->get_value());
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        writer::with_context($context)
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            ->export_data($subcontext, $exportdata);
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    }
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    /**
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     * Allows plugins to delete everything they store related to the data (usually files)
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     *
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     * @param string $dataidstest
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     * @param array $params
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     * @param array $contextids
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     * @return mixed|void
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     */
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    public static function before_delete_data(string $dataidstest, array $params, array $contextids) {
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    }
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    /**
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     * Allows plugins to delete everything they store related to the field configuration (usually files)
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     *
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     * @param string $fieldidstest
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     * @param array $params
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     * @param array $contextids
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     */
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    public static function before_delete_fields(string $fieldidstest, array $params, array $contextids) {
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    }
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}