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 Fisharebest\Webtrees\DebugBar; 22use PDOException; 23 24/** 25 * Upgrade the database schema from version 39 to version 40. 26 */ 27class Migration39 implements MigrationInterface 28{ 29 /** 30 * Upgrade to to the next version 31 * 32 * @return void 33 */ 34 public function upgrade() 35 { 36 // The following migrations were once part of the favorites module. 37 38 // Create the tables, as per PhpGedView 4.2.1 39 Database::exec( 40 "CREATE TABLE IF NOT EXISTS `##favorites` (" . 41 " fv_id INTEGER AUTO_INCREMENT NOT NULL," . 42 " fv_username VARCHAR(32) NOT NULL," . 43 " fv_gid VARCHAR(20) NULL," . 44 " fv_type VARCHAR(15) NULL," . 45 " fv_file VARCHAR(100) NULL," . 46 " fv_url VARCHAR(255) NULL," . 47 " fv_title VARCHAR(255) NULL," . 48 " fv_note TEXT NULL," . 49 " PRIMARY KEY (fv_id)," . 50 " KEY ix1 (fv_username)" . 51 ") COLLATE utf8_unicode_ci ENGINE=InnoDB" 52 ); 53 54 // Add the new columns 55 try { 56 Database::exec( 57 "ALTER TABLE `##favorites`" . 58 " CHANGE fv_id favorite_id INTEGER AUTO_INCREMENT NOT NULL," . 59 " CHANGE fv_gid xref VARCHAR(20) NULL," . 60 " CHANGE fv_type favorite_type ENUM('INDI', 'FAM', 'SOUR', 'REPO', 'OBJE', 'NOTE', 'URL') NOT NULL," . 61 " CHANGE fv_url url VARCHAR(255) NULL," . 62 " CHANGE fv_title title VARCHAR(255) NULL," . 63 " CHANGE fv_note note VARCHAR(1000) NULL," . 64 " ADD user_id INTEGER NULL AFTER favorite_id," . 65 " ADD gedcom_id INTEGER NOT NULL AFTER user_id," . 66 " DROP KEY ix1," . 67 " ADD KEY news_ix1 (gedcom_id, user_id)" 68 ); 69 } catch (PDOException $ex) { 70 // Already updated? 71 } 72 73 // Migrate data from the old columns to the new ones 74 try { 75 Database::exec( 76 "UPDATE `##favorites` f" . 77 " LEFT JOIN `##gedcom` g ON (f.fv_file =g.gedcom_name)" . 78 " LEFT JOIN `##user` u ON (f.fv_username=u.user_name)" . 79 " SET f.gedcom_id=g.gedcom_id, f.user_id=u.user_id" 80 ); 81 } catch (PDOException $ex) { 82 // Already updated? 83 } 84 85 // Delete orphaned rows 86 Database::exec( 87 "DELETE FROM `##favorites` WHERE user_id IS NULL AND gedcom_id IS NULL" 88 ); 89 90 // Delete the old column 91 try { 92 Database::exec( 93 "ALTER TABLE `##favorites` DROP fv_username, DROP fv_file" 94 ); 95 } catch (PDOException $ex) { 96 // Already updated? 97 } 98 99 // Rename the table 100 try { 101 Database::exec( 102 "RENAME TABLE `##favorites` TO `##favorite`" 103 ); 104 } catch (PDOException $ex) { 105 // Already updated? 106 } 107 108 // Add foreign key constraints 109 // Delete any data that might violate the new constraints 110 Database::exec( 111 "DELETE FROM `##favorite`" . 112 " WHERE user_id NOT IN (SELECT user_id FROM `##user` )" . 113 " OR gedcom_id NOT IN (SELECT gedcom_id FROM `##gedcom`)" 114 ); 115 116 // Add the new constraints 117 try { 118 Database::exec( 119 "ALTER TABLE `##favorite`" . 120 " ADD FOREIGN KEY `##favorite_fk1` (user_id ) REFERENCES `##user` (user_id) ON DELETE CASCADE," . 121 " ADD FOREIGN KEY `##favorite_fk2` (gedcom_id) REFERENCES `##gedcom` (gedcom_id) ON DELETE CASCADE" 122 ); 123 } catch (PDOException $ex) { 124 // Already updated? 125 } 126 } 127} 128