Create a migration system to migrate database.
+ Use this system to migrate from 0.8 to 0.9 (WIP)
This commit is contained in:
Olivier PEREZ
parent
ca00c4953c
commit
88cae82e71
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@ -30,11 +30,23 @@ class FramaDB {
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$this->pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION);
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}
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function areTablesCreated() {
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/**
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* @return \PDO Connection to database
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*/
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function getPDO() {
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return $this->pdo;
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}
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/**
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* Find all tables in database.
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*
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* @return array The array of table names
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*/
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function allTables() {
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$result = $this->pdo->query('SHOW TABLES');
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$schemas = $result->fetchAll(\PDO::FETCH_COLUMN);
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return 0 != count(array_diff($schemas, ['comment', 'poll', 'slot', 'vote']));
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return $schemas;
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}
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function prepare($sql) {
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@ -0,0 +1,144 @@
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<?php
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namespace Framadate\Migration;
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/**
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* This class executes the aciton in database to migrate data from version 0.8 to 0.9.
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*
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* @package Framadate\Migration
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*/
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class From_0_8_to_0_9_Migration implements Migration {
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function __construct() {
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}
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function execute(\PDO $pdo) {
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$this->createPollTable($pdo);
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$this->migrateFromSondageToPoll($pdo);
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$this->createSlotTable($pdo);
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$this->migrateFromSujetStudsToSlot($pdo);
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$this->createCommentTable($pdo);
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$this->migrateFromCommentsToComment($pdo);
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$this->createVoteTable($pdo);
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$this->migrateFromUserStudsToVote($pdo);
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return true;
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}
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private function createPollTable(\PDO $pdo) {
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$pdo->exec('
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CREATE TABLE IF NOT EXISTS `poll` (
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`id` CHAR(16) NOT NULL,
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`admin_id` CHAR(24) NOT NULL,
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`title` TEXT NOT NULL,
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`description` TEXT,
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`admin_name` VARCHAR(64) DEFAULT NULL,
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`admin_mail` VARCHAR(128) DEFAULT NULL,
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`creation_date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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`end_date` TIMESTAMP NOT NULL DEFAULT \'0000-00-00 00:00:00\',
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`format` VARCHAR(1) DEFAULT NULL,
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`editable` TINYINT(1) DEFAULT \'0\',
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`receiveNewVotes` TINYINT(1) DEFAULT \'0\',
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`active` TINYINT(1) DEFAULT \'1\',
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PRIMARY KEY (`id`)
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)
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ENGINE = InnoDB
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DEFAULT CHARSET = utf8');
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}
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private function migrateFromSondageToPoll(\PDO $pdo) {
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$pdo->exec('
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INSERT INTO `poll`
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(`id`, `admin_id`, `title`, `description`, `admin_name`, `admin_mail`, `creation_date`, `end_date`, `format`, `editable`, `receiveNewVotes`, `active`)
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SELECT
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`id_sondage`,
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`id_sondage_admin`,
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`titre`,
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`commentaires`,
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`nom_admin`,
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`mail_admin`,
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`date_creation`,
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`date_fin`,
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SUBSTR(`format`, 1, 1) AS `format`,
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CASE SUBSTR(`format`, 2, 1)
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WHEN \'+\' THEN 1
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ELSE 0 END AS `editable`,
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`mailsonde`,
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CASE SUBSTR(`format`, 2, 1)
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WHEN \'-\' THEN 0
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ELSE 1 END AS `active`
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FROM sondage');
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}
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private function createSlotTable(\PDO $pdo) {
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$pdo->exec('
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CREATE TABLE IF NOT EXISTS `slot` (
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`id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
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`poll_id` CHAR(16) NOT NULL,
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`title` TEXT,
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`moments` TEXT,
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PRIMARY KEY (`id`),
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KEY `poll_id` (`poll_id`)
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)
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ENGINE = InnoDB
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DEFAULT CHARSET = utf8');
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}
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private function migrateFromSujetStudsToSlot(\PDO $pdo) {
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// TODO Implements
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}
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private function createCommentTable(\PDO $pdo) {
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$pdo->exec('
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CREATE TABLE IF NOT EXISTS `comment` (
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`id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
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`poll_id` CHAR(16) NOT NULL,
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`name` TEXT,
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`comment` TEXT NOT NULL,
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PRIMARY KEY (`id`),
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KEY `poll_id` (`poll_id`)
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)
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ENGINE = InnoDB
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DEFAULT CHARSET = utf8');
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}
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private function migrateFromCommentsToComment(\PDO $pdo) {
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$pdo->exec('
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INSERT INTO `comment`
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(`poll_id`, `name`, `comment`)
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SELECT
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`id_sondage`,
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`usercomment`,
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`comment`
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FROM `comments`');
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}
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private function createVoteTable(\PDO $pdo) {
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$pdo->exec('
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CREATE TABLE IF NOT EXISTS `vote` (
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`id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
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`poll_id` CHAR(16) NOT NULL,
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`name` VARCHAR(64) NOT NULL,
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`choices` TEXT NOT NULL,
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PRIMARY KEY (`id`),
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KEY `poll_id` (`poll_id`)
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)
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ENGINE = InnoDB
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DEFAULT CHARSET = utf8');
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}
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private function migrateFromUserStudsToVote(\PDO $pdo) {
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$pdo->exec('
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INSERT INTO `vote`
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(`poll_id`, `name`, `choices`)
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SELECT
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`id_sondage`,
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`nom`,
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REPLACE(REPLACE(REPLACE(`reponses`, 1, \'X\'), 2, 1), \'X\', 2)
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FROM `user_studs`');
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}
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}
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@ -0,0 +1,15 @@
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<?php
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namespace Framadate\Migration;
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interface Migration {
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/**
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* This methode is called only one time in the migration page.
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*
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* @param \PDO $pdo The connection to database
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* @return bool true is the execution succeeded
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*/
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function execute(\PDO $pdo);
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}
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@ -41,6 +41,9 @@ const DB_PASSWORD = '<database password>';
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// Database server name, leave empty to use a socket
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const DB_CONNECTION_STRING = 'mysql:host=<database host>;dbname=<database name>;port=<database port>';
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// Name of the table that store migration script already executed
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const MIGRATION_TABLE = 'framadate_migration';
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// Default Language using POSIX variant of BC P47 standard (choose in $ALLOWED_LANGUAGES)
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const LANGUE = 'fr_FR';
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@ -45,7 +45,9 @@ function bandeau_titre($titre)
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<main role="main">';
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global $connect;
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if ($connect->areTablesCreated()) {
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$tables = $connect->allTables();
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$diff = array_diff($tables, ['comment', 'poll', 'slot', 'vote']);
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if (0 != count($diff)) {
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echo '<div class="alert alert-danger">'. _('Framadate is not properly installed, please check the "INSTALL" to setup the database before continuing.') .'</div>';
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bandeau_pied();
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die();
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@ -1,136 +0,0 @@
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-- --------------------------------------------------------
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--
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-- Table structure `poll`
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--
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CREATE TABLE IF NOT EXISTS `poll` (
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`id` CHAR(16) NOT NULL,
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`admin_id` CHAR(24) NOT NULL,
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`title` TEXT NOT NULL,
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`description` TEXT,
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`admin_name` VARCHAR(64) DEFAULT NULL,
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`admin_mail` VARCHAR(128) DEFAULT NULL,
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`creation_date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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`end_date` TIMESTAMP NOT NULL DEFAULT '0000-00-00 00:00:00',
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`format` VARCHAR(1) DEFAULT NULL,
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`editable` TINYINT(1) DEFAULT '0',
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`receiveNewVotes` TINYINT(1) DEFAULT '0',
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`active` TINYINT(1) DEFAULT '1',
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PRIMARY KEY (`id`)
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)
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ENGINE = InnoDB
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DEFAULT CHARSET = utf8;
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-- --------------------------------------------------------
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--
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-- Table structure `slot`
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--
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CREATE TABLE IF NOT EXISTS `slot` (
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`id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
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`poll_id` CHAR(16) NOT NULL,
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`title` TEXT,
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`moments` TEXT,
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PRIMARY KEY (`id`),
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KEY `poll_id` (`poll_id`)
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)
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ENGINE = InnoDB
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DEFAULT CHARSET = utf8;
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-- --------------------------------------------------------
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--
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-- Table structure `comment`
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--
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CREATE TABLE IF NOT EXISTS `comment` (
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`id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
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`poll_id` CHAR(16) NOT NULL,
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`name` TEXT,
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`comment` TEXT NOT NULL,
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PRIMARY KEY (`id`),
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KEY `poll_id` (`poll_id`)
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)
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ENGINE = InnoDB
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DEFAULT CHARSET = utf8;
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-- --------------------------------------------------------
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--
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-- Table structure `vote`
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--
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CREATE TABLE IF NOT EXISTS `vote` (
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`id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
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`poll_id` CHAR(16) NOT NULL,
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`name` VARCHAR(64) NOT NULL,
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`choices` TEXT NOT NULL,
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PRIMARY KEY (`id`),
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KEY `poll_id` (`poll_id`)
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)
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ENGINE = InnoDB
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DEFAULT CHARSET = utf8;
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-- --------------------------------------------------------
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--
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-- Migrate data from `sondage` to `poll`
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--
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INSERT INTO `poll`
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(`id`, `admin_id`, `title`, `description`, `admin_name`, `admin_mail`, `creation_date`, `end_date`, `format`, `editable`, `receiveNewVotes`, `active`)
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SELECT
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`id_sondage`,
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`id_sondage_admin`,
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`titre`,
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`commentaires`,
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`nom_admin`,
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`mail_admin`,
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`titre`,
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`date_creation`,
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`date_fin`,
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SUBSTR(`format`, 1, 1) AS `format`,
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CASE SUBSTR(`format`, 2, 1)
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WHEN '+' THEN 1
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ELSE 0 END AS `editable`,
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`mailsonde`,
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CASE SUBSTR(`format`, 2, 1)
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WHEN '-' THEN 0
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ELSE 1 END AS `active`
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FROM sondage;
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-- --------------------------------------------------------
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--
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-- Migrate data from `sujet_studs` to `slot`
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--
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-- TODO Migrate this, is not so simple
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/*INSERT INTO `slot`
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(`poll_id`, `title`, `moments`)
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SELECT `id_sondage`,
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FROM `user_studs`;*/
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-- --------------------------------------------------------
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--
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-- Migrate data from `comments` to `comment`
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--
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INSERT INTO `comment`
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(`poll_id`, `name`, `comment`)
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SELECT `id_sondage`, `usercomment`, `comment`
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FROM `comments`;
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-- --------------------------------------------------------
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--
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-- Migrate data from `user_studs` to `vote`
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--
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INSERT INTO `vote`
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(`poll_id`, `name`, `choices`)
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SELECT `id_sondage`, `nom`, REPLACE(REPLACE(REPLACE(`reponses`, '1', 'X'), '2', '1'), 'X', 2)
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FROM `user_studs`;
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@ -0,0 +1,60 @@
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<?php
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use Framadate\Migration\From_0_8_to_0_9_Migration;
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use Framadate\Migration\Migration;
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use Framadate\Utils;
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include_once __DIR__ . '/app/inc/init.php';
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function output($msg) {
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echo $msg . '<br/>';
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}
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// List a Migration sub classes to execute
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$migrations = [
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new From_0_8_to_0_9_Migration(),
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new From_0_8_to_0_9_Migration()
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];
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// Check if MIGRATION_TABLE already exists
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$tables = $connect->allTables();
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$pdo = $connect->getPDO();
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if (!in_array(MIGRATION_TABLE, $tables)) {
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$pdo->exec('
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CREATE TABLE IF NOT EXISTS `' . MIGRATION_TABLE . '` (
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`id` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT,
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`name` TEXT NOT NULL,
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`execute_date` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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PRIMARY KEY (`id`)
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)
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ENGINE = MyISAM
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DEFAULT CHARSET = utf8;');
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output('Table ' . MIGRATION_TABLE . ' created.');
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}
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$selectStmt = $pdo->prepare('SELECT id FROM ' . MIGRATION_TABLE . ' WHERE name=?');
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$insertStmt = $pdo->prepare('INSERT INTO ' . MIGRATION_TABLE . ' (name) VALUES (?)');
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// Loop on every Migration sub classes
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foreach ($migrations as $migration) {
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$className = get_class($migration);
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// Check if $className is a Migration sub class
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if (!$migration instanceof Migration) {
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output('The class '. $className . ' is not a sub class of Framadate\\Migration\\Migration.');
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exit;
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}
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// Check if the Migration is already executed
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$selectStmt->execute([$className]);
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$executed = $selectStmt->rowCount();
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$selectStmt->closeCursor();
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if (!$executed) {
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$migration->execute($pdo);
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$insertStmt->execute([$className]);
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output('Migration done: ' . $className);
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}
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}
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