61 lines
1.6 KiB
PHP
61 lines
1.6 KiB
PHP
<?php
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namespace Framadate\Migration;
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use Framadate\Utils;
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/**
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* This class executes the aciton in database to migrate data from version 0.9 to 0.9.1.
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*
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* @package Framadate\Migration
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*/
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class From_0_9_to_0_9_1_Migration implements Migration {
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function __construct() {
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}
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/**
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* This method should describe in english what is the purpose of the migration class.
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*
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* @return string The description of the migration class
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*/
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function description() {
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return "From 0.9 to 0.9.1";
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}
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/**
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* This method could check if the execute method should be called.
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* It is called before the execute method.
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*
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* @param \PDO $pdo The connection to database
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* @return bool true is the Migration should be executed.
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*/
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function preCondition(\PDO $pdo) {
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$stmt = $pdo->query('SHOW TABLES');
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$tables = $stmt->fetchAll(\PDO::FETCH_COLUMN);
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// Check if tables of v0.9 are presents
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$diff = array_diff([Utils::table('poll'), Utils::table('slot'), Utils::table('vote'), Utils::table('comment')], $tables);
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return count($diff) === 0;
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}
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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 $pdo) {
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$this->alterPollTable($pdo);
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return true;
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}
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private function alterPollTable(\PDO $pdo) {
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$pdo->exec('
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ALTER TABLE `' . Utils::table('poll') . '`
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ADD `receiveNewComments` TINYINT(1) DEFAULT \'0\'
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AFTER `receiveNewVotes`');
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}
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}
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