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\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<int,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