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<?php
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// This file is part of the customcert module for 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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* Provides helper functionality.
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*
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* @package mod_customcert
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* @copyright 2021 Mark Nelson <mdjnelson@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 mod_customcert;
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use core_user\fields;
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/**
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* Class helper.
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*
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* Helper functionality for this module.
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*
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* @package mod_customcert
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* @copyright 2021 Mark Nelson <mdjnelson@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 helper {
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/**
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* A centralised location for the all name fields.
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*
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* Returns a sql string snippet.
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*
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* @param string $tableprefix table query prefix to use in front of each field.
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* @return string All name fields.
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*/
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public static function get_all_user_name_fields(string $tableprefix = ''): string {
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$alternatenames = [];
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foreach (fields::get_name_fields() as $field) {
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$alternatenames[$field] = $field;
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}
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if ($tableprefix) {
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foreach ($alternatenames as $key => $altname) {
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$alternatenames[$key] = $tableprefix . '.' . $altname;
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}
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}
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return implode(',', $alternatenames);
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}
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}
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