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 /** 28 * Upgrade to to the next version 29 */ 30 public function upgrade() 31 { 32 // The following migrations were once part of the favorites module. 33 34 // Create the tables, as per PhpGedView 4.2.1 35 Database::exec( 36 "CREATE TABLE IF NOT EXISTS `##favorites` (" . 37 " fv_id INTEGER AUTO_INCREMENT NOT NULL," . 38 " fv_username VARCHAR(32) NOT NULL," . 39 " fv_gid VARCHAR(20) NULL," . 40 " fv_type VARCHAR(15) NULL," . 41 " fv_file VARCHAR(100) NULL," . 42 " fv_url VARCHAR(255) NULL," . 43 " fv_title VARCHAR(255) NULL," . 44 " fv_note TEXT NULL," . 45 " PRIMARY KEY (fv_id)," . 46 " KEY ix1 (fv_username)" . 47 ") COLLATE utf8_unicode_ci ENGINE=InnoDB" 48 ); 49 50 // Add the new columns 51 try { 52 Database::exec( 53 "ALTER TABLE `##favorites`" . 54 " CHANGE fv_id favorite_id INTEGER AUTO_INCREMENT NOT NULL," . 55 " CHANGE fv_gid xref VARCHAR(20) NULL," . 56 " CHANGE fv_type favorite_type ENUM('INDI', 'FAM', 'SOUR', 'REPO', 'OBJE', 'NOTE', 'URL') NOT NULL," . 57 " CHANGE fv_url url VARCHAR(255) NULL," . 58 " CHANGE fv_title title VARCHAR(255) NULL," . 59 " CHANGE fv_note note VARCHAR(1000) NULL," . 60 " ADD user_id INTEGER NULL AFTER favorite_id," . 61 " ADD gedcom_id INTEGER NOT NULL AFTER user_id," . 62 " DROP KEY ix1," . 63 " ADD KEY news_ix1 (gedcom_id, user_id)" 64 ); 65 } catch (PDOException $ex) { 66 DebugBar::addThrowable($ex); 67 68 // Already updated? 69 } 70 71 // Migrate data from the old columns to the new ones 72 try { 73 Database::exec( 74 "UPDATE `##favorites` f" . 75 " LEFT JOIN `##gedcom` g ON (f.fv_file =g.gedcom_name)" . 76 " LEFT JOIN `##user` u ON (f.fv_username=u.user_name)" . 77 " SET f.gedcom_id=g.gedcom_id, f.user_id=u.user_id" 78 ); 79 } catch (PDOException $ex) { 80 DebugBar::addThrowable($ex); 81 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 $ex) { 96 DebugBar::addThrowable($ex); 97 98 // Already updated? 99 } 100 101 // Rename the table 102 try { 103 Database::exec( 104 "RENAME TABLE `##favorites` TO `##favorite`" 105 ); 106 } catch (PDOException $ex) { 107 DebugBar::addThrowable($ex); 108 109 // Already updated? 110 } 111 112 // Add foreign key constraints 113 // Delete any data that might violate the new constraints 114 Database::exec( 115 "DELETE FROM `##favorite`" . 116 " WHERE user_id NOT IN (SELECT user_id FROM `##user` )" . 117 " OR gedcom_id NOT IN (SELECT gedcom_id FROM `##gedcom`)" 118 ); 119 120 // Add the new constraints 121 try { 122 Database::exec( 123 "ALTER TABLE `##favorite`" . 124 " ADD FOREIGN KEY `##favorite_fk1` (user_id ) REFERENCES `##user` (user_id) ON DELETE CASCADE," . 125 " ADD FOREIGN KEY `##favorite_fk2` (gedcom_id) REFERENCES `##gedcom` (gedcom_id) ON DELETE CASCADE" 126 ); 127 } catch (PDOException $ex) { 128 DebugBar::addThrowable($ex); 129 130 // Already updated? 131 } 132 } 133} 134