xref: /webtrees/app/FlashMessages.php (revision 09c3d0ed422767426888b503e4847d00836d1b7a)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2021 webtrees development team
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <https://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees;
21
22use function is_a;
23use function is_array;
24
25/**
26 * Generate messages in one request and display them in the next.
27 */
28class FlashMessages
29{
30    // Session storage key
31    private const FLASH_KEY = 'flash_messages';
32
33    /**
34     * Add a message to the session storage.
35     *
36     * @param string $text
37     * @param string $status "success", "info", "warning" or "danger"
38     *
39     * @return void
40     */
41    public static function addMessage(string $text, string $status = 'info'): void
42    {
43        $messages = Session::get(self::FLASH_KEY);
44        $messages = is_array($messages) ? $messages : [];
45
46        $messages[] = (object) [
47            'text'   => $text,
48            'status' => $status,
49        ];
50
51        Session::put(self::FLASH_KEY, $messages);
52    }
53
54    /**
55     * Get the current messages, and remove them from session storage.
56     *
57     * @return array<object>
58     */
59    public static function getMessages(): array
60    {
61        $messages = Session::pull(self::FLASH_KEY);
62
63        return is_array($messages) ? $messages : [];
64    }
65}
66