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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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* File containing the field_value_validators class.
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*
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* @package tool_uploaduser
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* @copyright 2019 Mathew May
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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 tool_uploaduser\local;
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defined('MOODLE_INTERNAL') || die();
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/**
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* Field validator class.
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*
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* @package tool_uploaduser
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* @copyright 2019 Mathew May
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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 field_value_validators {
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/**
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* List of valid and compatible themes.
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*
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* @return array
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*/
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protected static $themescache;
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/**
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* Validates the value provided for the theme field.
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*
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* @param string $value The value for the theme field.
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* @return array Contains the validation status and message.
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*/
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public static function validate_theme($value) {
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global $CFG;
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$status = 'normal';
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$message = '';
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// Validate if user themes are allowed.
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if (!$CFG->allowuserthemes) {
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$status = 'warning';
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$message = get_string('userthemesnotallowed', 'tool_uploaduser');
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} else {
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// Cache list of themes if not yet set.
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if (!isset(self::$themescache)) {
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self::$themescache = get_list_of_themes();
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}
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// Check if we have a valid theme.
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if (empty($value)) {
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$status = 'warning';
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$message = get_string('notheme', 'tool_uploaduser');
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} else if (!isset(self::$themescache[$value])) {
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$status = 'warning';
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$message = get_string('invalidtheme', 'tool_uploaduser', s($value));
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}
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}
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return [$status, $message];
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}
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}
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