MigrationVersion::run PHP Méthode

    public function run($options)
    {
        $targetVersion = $latestVersion = $this->getVersion($options['type']);
        $mapping = $this->getMapping($options['type'], false);
        $direction = 'up';
        if (!empty($options['direction'])) {
            $direction = $options['direction'];
        }
        if (isset($options['version'])) {
            $targetVersion = $options['version'];
            $direction = $targetVersion < $latestVersion ? 'down' : $direction;
            if (isset($mapping[$targetVersion]) && empty($mapping[$targetVersion]['migrated'])) {
                $direction = 'up';
            }
        }
        if (!empty($this->skip) && is_string($this->skip)) {
            $this->skip = explode(',', trim($this->skip));
        }
        if ($direction === 'up' && !isset($options['version'])) {
            $keys = array_keys($mapping);
            $flipped = array_flip($keys);
            $next = $flipped[$targetVersion + 1];
            $targetVersion = $keys[$next];
        }
        if ($direction === 'down') {
            krsort($mapping);
        }
        foreach ($mapping as $version => $info) {
            if ($direction === 'up' && $version > $targetVersion || $direction === 'down' && $version < $targetVersion) {
                break;
            } elseif ($direction === 'up' && $info['migrated'] === null || $direction === 'down' && $info['migrated'] !== null) {
                $type = $info['type'];
                $jumpVersion = $this->getVersionByName($mapping);
                if ($version < $jumpVersion) {
                    $this->jump($version, $type);
                    continue;
                }
                if (in_array($mapping[$version]['name'], $this->skip)) {
                    $this->setVersion($version, $type);
                    continue;
                }
                $migration = $this->getMigration($info['name'], $info['class'], $type, $options);
                $migration->Version = $this;
                $migration->info = $info;
                try {
                    $result = $migration->run($direction, $options);
                    $this->log[$info['name']] = $migration->getQueryLog();
                } catch (MigrationException $migrationException) {
                    throw $migrationException;
                    // throw to MigrationShell::_execute
                } catch (Exception $exception) {
                    $mapping = $this->getMapping($options['type']);
                    if (isset($mapping[$latestVersion]['version'])) {
                        $latestVersionName = '#' . sprintf("%'.03d", $mapping[$latestVersion]['version']) . ' ' . $mapping[$latestVersion]['name'];
                    } else {
                        $latestVersionName = null;
                    }
                    $errorMessage = __d('migrations', "There was an error during a migration. \n The error was: '%s' \n You must resolve the issue manually and try again.", $exception->getMessage(), $latestVersionName);
                    return $errorMessage;
                }
                $this->setVersion($version, $type, $direction === 'up');
            }
        }
        if (isset($result)) {
            return $result;
        }
        return true;
    }

 protected function _execute($options, $once)
 {
     $result = true;
     try {
         $result = $this->Version->run($options);
     } catch (MigrationException $e) {
         $this->out(__d('migrations', 'An error occurred when processing the migration:'));
         $this->out('  ' . sprintf(__d('migrations', 'Migration: %s'), $e->Migration->info['name']));
         $this->out('  ' . sprintf(__d('migrations', 'Error: %s'), $e->getMessage()));
         $this->hr();
         $response = $this->in(__d('migrations', 'Do you want to mark the migration as successful?. [y]es or [a]bort.'), array('y', 'a'));
         if (strtolower($response) === 'y') {
             $this->Version->setVersion($e->Migration->info['version'], $this->type, $options['direction'] === 'up');
             if (!$once) {
                 return $this->run();
             }
         } else {
             if (strtolower($response) === 'a') {
                 return $this->_stop();
             }
         }
         $this->hr();
     }
     return $result;
 }