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\Schema; 21 22use Illuminate\Database\Capsule\Manager as DB; 23use Illuminate\Database\Query\Builder; 24use Illuminate\Database\Query\Expression; 25use Illuminate\Database\Schema\Blueprint; 26 27/** 28 * Upgrade the database schema from version 37 to version 38. 29 */ 30class Migration37 implements MigrationInterface 31{ 32 /** 33 * Upgrade to to the next version 34 * 35 * @return void 36 */ 37 public function upgrade(): void 38 { 39 // These tables were created by webtrees 1.x, and may not exist if we first installed webtrees 2.x 40 DB::schema()->dropIfExists('site_access_rule'); 41 DB::schema()->dropIfExists('next_id'); 42 43 // Split the media table into media/media_file so that we can store multiple media 44 // files in each media object. 45 if (!DB::schema()->hasTable('media_file')) { 46 DB::schema()->create('media_file', static function (Blueprint $table): void { 47 $table->integer('id', true); 48 $table->string('m_id', 20); 49 $table->integer('m_file'); 50 $table->string('multimedia_file_refn', 248); // GEDCOM only allows 30 characters 51 $table->string('multimedia_format', 4); 52 $table->string('source_media_type', 15); 53 $table->string('descriptive_title', 248); 54 55 $table->index(['m_id', 'm_file']); 56 $table->index(['m_file', 'm_id']); 57 $table->index(['m_file', 'multimedia_file_refn']); 58 $table->index(['m_file', 'multimedia_format']); 59 $table->index(['m_file', 'source_media_type']); 60 $table->index(['m_file', 'descriptive_title']); 61 }); 62 } 63 64 if (DB::table('media_file')->count() === 0 && DB::schema()->hasColumn('media', 'm_filename')) { 65 (new Builder(DB::connection()))->from('media_file')->insertUsing([ 66 'm_id', 67 'm_file', 68 'multimedia_file_refn', 69 'multimedia_format', 70 'source_media_type', 71 'descriptive_title', 72 ], function (Builder $query): void { 73 $query->select([ 74 'm_id', 75 'm_file', 76 $this->substring('m_filename', 1, 248), 77 $this->substring('m_ext', 1, 4), 78 $this->substring('m_type', 1, 15), 79 $this->substring('m_titl', 1, 248), 80 ])->from('media'); 81 }); 82 83 // SQLite can only drop one column at a time. 84 DB::schema()->table('media', static function (Blueprint $table): void { 85 $table->dropColumn('m_filename'); 86 }); 87 DB::schema()->table('media', static function (Blueprint $table): void { 88 $table->dropColumn('m_ext'); 89 }); 90 DB::schema()->table('media', static function (Blueprint $table): void { 91 $table->dropColumn('m_type'); 92 }); 93 DB::schema()->table('media', static function (Blueprint $table): void { 94 $table->dropColumn('m_titl'); 95 }); 96 } 97 } 98 99 /** 100 * @param string $expression 101 * @param int $start 102 * @param int $length 103 * 104 * @return Expression 105 */ 106 private function substring(string $expression, int $start, int $length): Expression 107 { 108 // Non-standard 109 if (DB::connection()->getDriverName() === 'sqlite') { 110 return new Expression('SUBSTR(' . $expression . ',' . $start . ',' . $length . ')'); 111 } 112 113 // SQL-92 standard 114 return new Expression('SUBSTRING(' . $expression . ' FROM ' . $start . ' FOR ' . $length . ')'); 115 } 116} 117