1<?php 2/** 3 * webtrees: online genealogy 4 * Copyright (C) 2018 webtrees development team 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation, either version 3 of the License, or 8 * (at your option) any later version. 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * You should have received a copy of the GNU General Public License 14 * along with this program. If not, see <http://www.gnu.org/licenses/>. 15 */ 16declare(strict_types=1); 17 18namespace Fisharebest\Webtrees\Schema; 19 20use Fisharebest\Webtrees\Database; 21use PDOException; 22 23/** 24 * Upgrade the database schema from version 39 to version 40. 25 */ 26class Migration39 implements MigrationInterface 27{ 28 /** 29 * Upgrade to to the next version 30 * 31 * @return void 32 */ 33 public function upgrade(): void 34 { 35 // The following migrations were once part of the favorites module. 36 37 // Create the tables, as per PhpGedView 4.2.1 38 Database::exec( 39 "CREATE TABLE IF NOT EXISTS `##favorites` (" . 40 " fv_id INTEGER AUTO_INCREMENT NOT NULL," . 41 " fv_username VARCHAR(32) NOT NULL," . 42 " fv_gid VARCHAR(20) NULL," . 43 " fv_type VARCHAR(15) NULL," . 44 " fv_file VARCHAR(100) NULL," . 45 " fv_url VARCHAR(255) NULL," . 46 " fv_title VARCHAR(255) NULL," . 47 " fv_note TEXT NULL," . 48 " PRIMARY KEY (fv_id)," . 49 " KEY ix1 (fv_username)" . 50 ") COLLATE utf8_unicode_ci ENGINE=InnoDB" 51 ); 52 53 // Add the new columns 54 try { 55 Database::exec( 56 "ALTER TABLE `##favorites`" . 57 " CHANGE fv_id favorite_id INTEGER AUTO_INCREMENT NOT NULL," . 58 " CHANGE fv_gid xref VARCHAR(20) NULL," . 59 " CHANGE fv_type favorite_type ENUM('INDI', 'FAM', 'SOUR', 'REPO', 'OBJE', 'NOTE', 'URL') NOT NULL," . 60 " CHANGE fv_url url VARCHAR(255) NULL," . 61 " CHANGE fv_title title VARCHAR(255) NULL," . 62 " CHANGE fv_note note VARCHAR(1000) NULL," . 63 " ADD user_id INTEGER NULL AFTER favorite_id," . 64 " ADD gedcom_id INTEGER NOT NULL AFTER user_id," . 65 " DROP KEY ix1," . 66 " ADD KEY news_ix1 (gedcom_id, user_id)" 67 ); 68 } catch (PDOException $ex) { 69 // Already updated? 70 } 71 72 // Migrate data from the old columns to the new ones 73 try { 74 Database::exec( 75 "UPDATE `##favorites` f" . 76 " LEFT JOIN `##gedcom` g ON (f.fv_file =g.gedcom_name)" . 77 " LEFT JOIN `##user` u ON (f.fv_username=u.user_name)" . 78 " SET f.gedcom_id=g.gedcom_id, f.user_id=u.user_id" 79 ); 80 } catch (PDOException $ex) { 81 // Already updated? 82 } 83 84 // Delete orphaned rows 85 Database::exec( 86 "DELETE FROM `##favorites` WHERE user_id IS NULL AND gedcom_id IS NULL" 87 ); 88 89 // Delete the old column 90 try { 91 Database::exec( 92 "ALTER TABLE `##favorites` DROP fv_username, DROP fv_file" 93 ); 94 } catch (PDOException $ex) { 95 // Already updated? 96 } 97 98 // Rename the table 99 try { 100 Database::exec( 101 "RENAME TABLE `##favorites` TO `##favorite`" 102 ); 103 } catch (PDOException $ex) { 104 // Already updated? 105 } 106 107 // Add foreign key constraints 108 // Delete any data that might violate the new constraints 109 Database::exec( 110 "DELETE FROM `##favorite`" . 111 " WHERE user_id NOT IN (SELECT user_id FROM `##user` )" . 112 " OR gedcom_id NOT IN (SELECT gedcom_id FROM `##gedcom`)" 113 ); 114 115 // Add the new constraints 116 try { 117 Database::exec( 118 "ALTER TABLE `##favorite`" . 119 " ADD FOREIGN KEY `##favorite_fk1` (user_id ) REFERENCES `##user` (user_id) ON DELETE CASCADE," . 120 " ADD FOREIGN KEY `##favorite_fk2` (gedcom_id) REFERENCES `##gedcom` (gedcom_id) ON DELETE CASCADE" 121 ); 122 } catch (PDOException $ex) { 123 // Already updated? 124 } 125 } 126} 127