xref: /webtrees/app/Services/TreeService.php (revision c908635b89a84d0a06f38a4d07640639e838703f)
1<?php
2
3/**
4 * webtrees: online genealogy
5 * Copyright (C) 2022 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\Services;
21
22use Fisharebest\Webtrees\Auth;
23use Fisharebest\Webtrees\Contracts\UserInterface;
24use Fisharebest\Webtrees\GedcomFilters\GedcomEncodingFilter;
25use Fisharebest\Webtrees\I18N;
26use Fisharebest\Webtrees\Registry;
27use Fisharebest\Webtrees\Site;
28use Fisharebest\Webtrees\Tree;
29use Illuminate\Database\Capsule\Manager as DB;
30use Illuminate\Database\Query\Builder;
31use Illuminate\Database\Query\Expression;
32use Illuminate\Database\Query\JoinClause;
33use Illuminate\Support\Collection;
34use Psr\Http\Message\StreamInterface;
35use RuntimeException;
36
37use function assert;
38use function fclose;
39use function feof;
40use function fread;
41use function max;
42use function stream_filter_append;
43use function strrpos;
44use function substr;
45
46use const STREAM_FILTER_READ;
47
48/**
49 * Tree management and queries.
50 */
51class TreeService
52{
53    // The most likely surname tradition for a given language.
54    private const DEFAULT_SURNAME_TRADITIONS = [
55        'es'    => 'spanish',
56        'is'    => 'icelandic',
57        'lt'    => 'lithuanian',
58        'pl'    => 'polish',
59        'pt'    => 'portuguese',
60        'pt-BR' => 'portuguese',
61    ];
62
63    private GedcomImportService $gedcom_import_service;
64
65    /**
66     * @param GedcomImportService $gedcom_import_service
67     */
68    public function __construct(GedcomImportService $gedcom_import_service)
69    {
70        $this->gedcom_import_service = $gedcom_import_service;
71    }
72
73    /**
74     * All the trees that the current user has permission to access.
75     *
76     * @return Collection<array-key,Tree>
77     */
78    public function all(): Collection
79    {
80        return Registry::cache()->array()->remember('all-trees', static function (): Collection {
81            // All trees
82            $query = DB::table('gedcom')
83                ->leftJoin('gedcom_setting', static function (JoinClause $join): void {
84                    $join->on('gedcom_setting.gedcom_id', '=', 'gedcom.gedcom_id')
85                        ->where('gedcom_setting.setting_name', '=', 'title');
86                })
87                ->where('gedcom.gedcom_id', '>', 0)
88                ->select([
89                    'gedcom.gedcom_id AS tree_id',
90                    'gedcom.gedcom_name AS tree_name',
91                    'gedcom_setting.setting_value AS tree_title',
92                ])
93                ->orderBy('gedcom.sort_order')
94                ->orderBy('gedcom_setting.setting_value');
95
96            // Non-admins may not see all trees
97            if (!Auth::isAdmin()) {
98                $query
99                    ->join('gedcom_setting AS gs2', static function (JoinClause $join): void {
100                        $join
101                            ->on('gs2.gedcom_id', '=', 'gedcom.gedcom_id')
102                            ->where('gs2.setting_name', '=', 'imported');
103                    })
104                    ->join('gedcom_setting AS gs3', static function (JoinClause $join): void {
105                        $join
106                            ->on('gs3.gedcom_id', '=', 'gedcom.gedcom_id')
107                            ->where('gs3.setting_name', '=', 'REQUIRE_AUTHENTICATION');
108                    })
109                    ->leftJoin('user_gedcom_setting', static function (JoinClause $join): void {
110                        $join
111                            ->on('user_gedcom_setting.gedcom_id', '=', 'gedcom.gedcom_id')
112                            ->where('user_gedcom_setting.user_id', '=', Auth::id())
113                            ->where('user_gedcom_setting.setting_name', '=', UserInterface::PREF_TREE_ROLE);
114                    })
115                    ->where(static function (Builder $query): void {
116                        $query
117                            // Managers
118                            ->where('user_gedcom_setting.setting_value', '=', UserInterface::ROLE_MANAGER)
119                            // Members
120                            ->orWhere(static function (Builder $query): void {
121                                $query
122                                    ->where('gs2.setting_value', '=', '1')
123                                    ->where('gs3.setting_value', '=', '1')
124                                    ->where('user_gedcom_setting.setting_value', '<>', UserInterface::ROLE_VISITOR);
125                            })
126                            // Public trees
127                            ->orWhere(static function (Builder $query): void {
128                                $query
129                                    ->where('gs2.setting_value', '=', '1')
130                                    ->where('gs3.setting_value', '<>', '1');
131                            });
132                    });
133            }
134
135            return $query
136                ->get()
137                ->mapWithKeys(static function (object $row): array {
138                    return [$row->tree_name => Tree::rowMapper()($row)];
139                });
140        });
141    }
142
143    /**
144     * Find a tree by its ID.
145     *
146     * @param int $id
147     *
148     * @return Tree
149     */
150    public function find(int $id): Tree
151    {
152        $tree = $this->all()->first(static function (Tree $tree) use ($id): bool {
153            return $tree->id() === $id;
154        });
155
156        assert($tree instanceof Tree, new RuntimeException());
157
158        return $tree;
159    }
160
161    /**
162     * All trees, name => title
163     *
164     * @return array<string>
165     */
166    public function titles(): array
167    {
168        return $this->all()->map(static function (Tree $tree): string {
169            return $tree->title();
170        })->all();
171    }
172
173    /**
174     * @param string $name
175     * @param string $title
176     *
177     * @return Tree
178     */
179    public function create(string $name, string $title): Tree
180    {
181        DB::table('gedcom')->insert([
182            'gedcom_name' => $name,
183        ]);
184
185        $tree_id = (int) DB::connection()->getPdo()->lastInsertId();
186
187        $tree = new Tree($tree_id, $name, $title);
188
189        $tree->setPreference('imported', '1');
190        $tree->setPreference('title', $title);
191
192        // Set preferences from default tree
193        (new Builder(DB::connection()))->from('gedcom_setting')->insertUsing(
194            ['gedcom_id', 'setting_name', 'setting_value'],
195            static function (Builder $query) use ($tree_id): void {
196                $query
197                    ->select([new Expression($tree_id), 'setting_name', 'setting_value'])
198                    ->from('gedcom_setting')
199                    ->where('gedcom_id', '=', -1);
200            }
201        );
202
203        (new Builder(DB::connection()))->from('default_resn')->insertUsing(
204            ['gedcom_id', 'tag_type', 'resn'],
205            static function (Builder $query) use ($tree_id): void {
206                $query
207                    ->select([new Expression($tree_id), 'tag_type', 'resn'])
208                    ->from('default_resn')
209                    ->where('gedcom_id', '=', -1);
210            }
211        );
212
213        // Gedcom and privacy settings
214        $tree->setPreference('REQUIRE_AUTHENTICATION', '');
215        $tree->setPreference('CONTACT_USER_ID', (string) Auth::id());
216        $tree->setPreference('WEBMASTER_USER_ID', (string) Auth::id());
217        $tree->setPreference('LANGUAGE', I18N::languageTag()); // Default to the current admin’s language
218        $tree->setPreference('SURNAME_TRADITION', self::DEFAULT_SURNAME_TRADITIONS[I18N::languageTag()] ?? 'paternal');
219
220        // A tree needs at least one record.
221        $head = "0 HEAD\n1 SOUR webtrees\n2 DEST webtrees\n1 GEDC\n2 VERS 5.5.1\n2 FORM LINEAGE-LINKED\n1 CHAR UTF-8";
222        $this->gedcom_import_service->importRecord($head, $tree, true);
223
224        // I18N: This should be a common/default/placeholder name of an individual. Put slashes around the surname.
225        $name = I18N::translate('John /DOE/');
226        $note = I18N::translate('Edit this individual and replace their details with your own.');
227        $indi = "0 @X1@ INDI\n1 NAME " . $name . "\n1 SEX M\n1 BIRT\n2 DATE 01 JAN 1850\n2 NOTE " . $note;
228        $this->gedcom_import_service->importRecord($indi, $tree, true);
229
230        return $tree;
231    }
232
233    /**
234     * Import data from a gedcom file into this tree.
235     *
236     * @param Tree            $tree
237     * @param StreamInterface $stream   The GEDCOM file.
238     * @param string          $filename The preferred filename, for export/download.
239     * @param string          $encoding Override the encoding specified in the header.
240     *
241     * @return void
242     */
243    public function importGedcomFile(Tree $tree, StreamInterface $stream, string $filename, string $encoding): void
244    {
245        // Read the file in blocks of roughly 64K. Ensure that each block
246        // contains complete gedcom records. This will ensure we don’t split
247        // multi-byte characters, as well as simplifying the code to import
248        // each block.
249
250        $file_data = '';
251
252        $tree->setPreference('gedcom_filename', $filename);
253        $tree->setPreference('imported', '0');
254
255        DB::table('gedcom_chunk')->where('gedcom_id', '=', $tree->id())->delete();
256
257        $stream = $stream->detach();
258
259        // Convert to UTF-8.
260        stream_filter_append($stream, GedcomEncodingFilter::class, STREAM_FILTER_READ, ['src_encoding' => $encoding]);
261
262        while (!feof($stream)) {
263            $file_data .= fread($stream, 65536);
264            $eol_pos = max((int) strrpos($file_data, "\r0"), (int) strrpos($file_data, "\n0"));
265
266            if ($eol_pos > 0) {
267                DB::table('gedcom_chunk')->insert([
268                    'gedcom_id'  => $tree->id(),
269                    'chunk_data' => substr($file_data, 0, $eol_pos + 1),
270                ]);
271
272                $file_data = substr($file_data, $eol_pos + 1);
273            }
274        }
275
276        DB::table('gedcom_chunk')->insert([
277            'gedcom_id'  => $tree->id(),
278            'chunk_data' => $file_data,
279        ]);
280
281        fclose($stream);
282    }
283
284    /**
285     * @param Tree $tree
286     */
287    public function delete(Tree $tree): void
288    {
289        // If this is the default tree, then unset it
290        if (Site::getPreference('DEFAULT_GEDCOM') === $tree->name()) {
291            Site::setPreference('DEFAULT_GEDCOM', '');
292        }
293
294        DB::table('gedcom_chunk')->where('gedcom_id', '=', $tree->id())->delete();
295
296        $this->deleteGenealogyData($tree, false);
297
298        DB::table('block_setting')
299            ->join('block', 'block.block_id', '=', 'block_setting.block_id')
300            ->where('gedcom_id', '=', $tree->id())
301            ->delete();
302        DB::table('block')->where('gedcom_id', '=', $tree->id())->delete();
303        DB::table('user_gedcom_setting')->where('gedcom_id', '=', $tree->id())->delete();
304        DB::table('gedcom_setting')->where('gedcom_id', '=', $tree->id())->delete();
305        DB::table('module_privacy')->where('gedcom_id', '=', $tree->id())->delete();
306        DB::table('hit_counter')->where('gedcom_id', '=', $tree->id())->delete();
307        DB::table('default_resn')->where('gedcom_id', '=', $tree->id())->delete();
308        DB::table('gedcom_chunk')->where('gedcom_id', '=', $tree->id())->delete();
309        DB::table('log')->where('gedcom_id', '=', $tree->id())->delete();
310        DB::table('gedcom')->where('gedcom_id', '=', $tree->id())->delete();
311    }
312
313    /**
314     * Delete all the genealogy data from a tree - in preparation for importing
315     * new data. Optionally retain the media data, for when the user has been
316     * editing their data offline using an application which deletes (or does not
317     * support) media data.
318     *
319     * @param Tree $tree
320     * @param bool $keep_media
321     *
322     * @return void
323     */
324    public function deleteGenealogyData(Tree $tree, bool $keep_media): void
325    {
326        DB::table('individuals')->where('i_file', '=', $tree->id())->delete();
327        DB::table('families')->where('f_file', '=', $tree->id())->delete();
328        DB::table('sources')->where('s_file', '=', $tree->id())->delete();
329        DB::table('other')->where('o_file', '=', $tree->id())->delete();
330        DB::table('places')->where('p_file', '=', $tree->id())->delete();
331        DB::table('placelinks')->where('pl_file', '=', $tree->id())->delete();
332        DB::table('name')->where('n_file', '=', $tree->id())->delete();
333        DB::table('dates')->where('d_file', '=', $tree->id())->delete();
334        DB::table('change')->where('gedcom_id', '=', $tree->id())->delete();
335
336        if ($keep_media) {
337            DB::table('link')->where('l_file', '=', $tree->id())
338                ->where('l_type', '<>', 'OBJE')
339                ->delete();
340        } else {
341            DB::table('link')->where('l_file', '=', $tree->id())->delete();
342            DB::table('media_file')->where('m_file', '=', $tree->id())->delete();
343            DB::table('media')->where('m_file', '=', $tree->id())->delete();
344        }
345    }
346
347    /**
348     * Generate a unique name for a new tree.
349     *
350     * @return string
351     */
352    public function uniqueTreeName(): string
353    {
354        $name   = 'tree';
355        $number = 1;
356
357        while ($this->all()->get($name . $number) instanceof Tree) {
358            $number++;
359        }
360
361        return $name . $number;
362    }
363}
364