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 */ 16namespace Fisharebest\Webtrees\Schema; 17 18use Fisharebest\Webtrees\Database; 19use Fisharebest\Webtrees\DebugBar; 20use PDOException; 21 22/** 23 * Upgrade the database schema from version 39 to version 40. 24 */ 25class Migration39 implements MigrationInterface { 26 /** 27 * Upgrade to to the next version 28 */ 29 public function upgrade() { 30 // The following migrations were once part of the favorites module. 31 32 // Create the tables, as per PhpGedView 4.2.1 33 Database::exec( 34 "CREATE TABLE IF NOT EXISTS `##favorites` (" . 35 " fv_id INTEGER AUTO_INCREMENT NOT NULL," . 36 " fv_username VARCHAR(32) NOT NULL," . 37 " fv_gid VARCHAR(20) NULL," . 38 " fv_type VARCHAR(15) NULL," . 39 " fv_file VARCHAR(100) NULL," . 40 " fv_url VARCHAR(255) NULL," . 41 " fv_title VARCHAR(255) NULL," . 42 " fv_note TEXT NULL," . 43 " PRIMARY KEY (fv_id)," . 44 " KEY ix1 (fv_username)" . 45 ") COLLATE utf8_unicode_ci ENGINE=InnoDB" 46 ); 47 48 // Add the new columns 49 try { 50 Database::exec( 51 "ALTER TABLE `##favorites`" . 52 " CHANGE fv_id favorite_id INTEGER AUTO_INCREMENT NOT NULL," . 53 " CHANGE fv_gid xref VARCHAR(20) NULL," . 54 " CHANGE fv_type favorite_type ENUM('INDI', 'FAM', 'SOUR', 'REPO', 'OBJE', 'NOTE', 'URL') NOT NULL," . 55 " CHANGE fv_url url VARCHAR(255) NULL," . 56 " CHANGE fv_title title VARCHAR(255) NULL," . 57 " CHANGE fv_note note VARCHAR(1000) NULL," . 58 " ADD user_id INTEGER NULL AFTER favorite_id," . 59 " ADD gedcom_id INTEGER NOT NULL AFTER user_id," . 60 " DROP KEY ix1," . 61 " ADD KEY news_ix1 (gedcom_id, user_id)" 62 ); 63 } catch (PDOException $ex) { 64 DebugBar::addThrowable($ex); 65 66 // Already updated? 67 } 68 69 // Migrate data from the old columns to the new ones 70 try { 71 Database::exec( 72 "UPDATE `##favorites` f" . 73 " LEFT JOIN `##gedcom` g ON (f.fv_file =g.gedcom_name)" . 74 " LEFT JOIN `##user` u ON (f.fv_username=u.user_name)" . 75 " SET f.gedcom_id=g.gedcom_id, f.user_id=u.user_id" 76 ); 77 } catch (PDOException $ex) { 78 DebugBar::addThrowable($ex); 79 80 // Already updated? 81 } 82 83 // Delete orphaned rows 84 Database::exec( 85 "DELETE FROM `##favorites` WHERE user_id IS NULL AND gedcom_id IS NULL" 86 ); 87 88 // Delete the old column 89 try { 90 Database::exec( 91 "ALTER TABLE `##favorites` DROP fv_username, DROP fv_file" 92 ); 93 } catch (PDOException $ex) { 94 DebugBar::addThrowable($ex); 95 96 // Already updated? 97 } 98 99 // Rename the table 100 try { 101 Database::exec( 102 "RENAME TABLE `##favorites` TO `##favorite`" 103 ); 104 } catch (PDOException $ex) { 105 DebugBar::addThrowable($ex); 106 107 // Already updated? 108 } 109 110 // Add foreign key constraints 111 // Delete any data that might violate the new constraints 112 Database::exec( 113 "DELETE FROM `##favorite`" . 114 " WHERE user_id NOT IN (SELECT user_id FROM `##user` )" . 115 " OR gedcom_id NOT IN (SELECT gedcom_id FROM `##gedcom`)" 116 ); 117 118 // Add the new constraints 119 try { 120 Database::exec( 121 "ALTER TABLE `##favorite`" . 122 " ADD FOREIGN KEY `##favorite_fk1` (user_id ) REFERENCES `##user` (user_id) ON DELETE CASCADE," . 123 " ADD FOREIGN KEY `##favorite_fk2` (gedcom_id) REFERENCES `##gedcom` (gedcom_id) ON DELETE CASCADE" 124 ); 125 } catch (PDOException $ex) { 126 DebugBar::addThrowable($ex); 127 128 // Already updated? 129 } 130 } 131} 132