xref: /webtrees/app/Note.php (revision fbc72f882667fe649aa03c789e65173857557054) 
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2019 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 <http://www.gnu.org/licenses/>.
16 */
17
18declare(strict_types=1);
19
20namespace Fisharebest\Webtrees;
21
22use Closure;
23use Exception;
24use Fisharebest\Webtrees\Http\RequestHandlers\NotePage;
25use Illuminate\Database\Capsule\Manager as DB;
26use Illuminate\Support\Str;
27use stdClass;
28
29/**
30 * A GEDCOM note (NOTE) object.
31 */
32class Note extends GedcomRecord
33{
34    public const RECORD_TYPE = 'NOTE';
35
36    protected const ROUTE_NAME = NotePage::class;
37
38    /**
39     * A closure which will create a record from a database row.
40     *
41     * @param Tree $tree
42     *
43     * @return Closure
44     */
45    public static function rowMapper(Tree $tree): Closure
46    {
47        return static function (stdClass $row) use ($tree): Note {
48            $note = Note::getInstance($row->o_id, $tree, $row->o_gedcom);
49            assert($note instanceof Note);
50
51            return $note;
52        };
53    }
54
55    /**
56     * Get an instance of a note object. For single records,
57     * we just receive the XREF. For bulk records (such as lists
58     * and search results) we can receive the GEDCOM data as well.
59     *
60     * @param string      $xref
61     * @param Tree        $tree
62     * @param string|null $gedcom
63     *
64     * @throws Exception
65     *
66     * @return Note|null
67     */
68    public static function getInstance(string $xref, Tree $tree, string $gedcom = null): ?Note
69    {
70        $record = parent::getInstance($xref, $tree, $gedcom);
71
72        if ($record instanceof self) {
73            return $record;
74        }
75
76        return null;
77    }
78
79    /**
80     * Get the text contents of the note
81     *
82     * @return string
83     */
84    public function getNote(): string
85    {
86        if (preg_match('/^0 @' . Gedcom::REGEX_XREF . '@ NOTE ?(.*(?:\n1 CONT ?.*)*)/', $this->gedcom . $this->pending, $match)) {
87            return preg_replace("/\n1 CONT ?/", "\n", $match[1]);
88        }
89
90        return '';
91    }
92
93    /**
94     * Each object type may have its own special rules, and re-implement this function.
95     *
96     * @param int $access_level
97     *
98     * @return bool
99     */
100    protected function canShowByType(int $access_level): bool
101    {
102        // Hide notes if they are attached to private records
103        $linked_ids = DB::table('link')
104            ->where('l_file', '=', $this->tree->id())
105            ->where('l_to', '=', $this->xref)
106            ->pluck('l_from');
107
108        foreach ($linked_ids as $linked_id) {
109            $linked_record = GedcomRecord::getInstance($linked_id, $this->tree);
110            if ($linked_record && !$linked_record->canShow($access_level)) {
111                return false;
112            }
113        }
114
115        // Apply default behavior
116        return parent::canShowByType($access_level);
117    }
118
119    /**
120     * Generate a private version of this record
121     *
122     * @param int $access_level
123     *
124     * @return string
125     */
126    protected function createPrivateGedcomRecord(int $access_level): string
127    {
128        return '0 @' . $this->xref . '@ NOTE ' . I18N::translate('Private');
129    }
130
131    /**
132     * Fetch data from the database
133     *
134     * @param string $xref
135     * @param int    $tree_id
136     *
137     * @return string|null
138     */
139    protected static function fetchGedcomRecord(string $xref, int $tree_id): ?string
140    {
141        return DB::table('other')
142            ->where('o_id', '=', $xref)
143            ->where('o_file', '=', $tree_id)
144            ->where('o_type', '=', self::RECORD_TYPE)
145            ->value('o_gedcom');
146    }
147
148    /**
149     * Create a name for this note - apply (and remove) markup, then take
150     * a maximum of 100 characters from the first non-empty line.
151     *
152     * @return void
153     */
154    public function extractNames(): void
155    {
156        $text = trim($this->getNote());
157
158        [$text] = explode("\n", $text);
159
160        if ($text !== '') {
161            $this->addName('NOTE', Str::limit($text, 100, I18N::translate('…')), $this->gedcom());
162        }
163    }
164}
165