function _startMigration($id, $direction)
 {
     $migration = $this->migrations[$id];
     if ($migration['format'] == 'yml') {
         $yml = $this->_parsePhp(MIGRATIONS_PATH . DS . $migration['filename']);
         $array = Yaml::Load($yml);
         if (!is_array($array)) {
             return "Unable to parse YAML Migration file";
         }
         $direction = strtoupper($direction);
     } else {
         include MIGRATIONS_PATH . DS . $migration['filename'];
         $array = $migration;
         unset($migration);
     }
     if (!$array[$direction]) {
         return "Direction does not exist!";
     }
     return $this->_array2Sql($array[$direction]);
 }
 function main()
 {
     $this->out();
     $models = count($this->args) ? $this->args : '*';
     $folder = new Folder(DATA_FILES_PATH, true, 0777);
     list($dirs, $files) = $folder->read();
     if (!$files) {
         $this->out($this->_colorize("You have not yet created any data files for your database tables.", 'COMMENT'));
         $this->out($this->_colorize("Run '", 'COMMENT') . 'cake populate create' . $this->_colorize("' to create empty data files for each", 'COMMENT'));
         $this->out($this->_colorize("table in your database.", 'COMMENT'));
         $this->out();
         $this->hr();
         $this->out();
         exit;
     }
     require 'populate_helpers.php';
     $this->helpers = new PopulateHelpers();
     if ($models == '*') {
         $models = $this->uses;
     } else {
         $this->_user_defined = true;
     }
     foreach ((array) $models as $name) {
         $name = Inflector::classify($name);
         if (!in_array($name, $this->uses)) {
             if (!$this->_user_defined && !isset($this->params['verbose']) && !isset($this->params['v'])) {
                 continue;
             }
             $this->out("Populating model '" . $name . "' ...", false);
             $this->out("\n    " . $this->_colorize("FAIL", 'ERROR') . $this->_colorize(" model '{$name}' does not exist", 'COMMENT'));
             continue;
         }
         $file = Inflector::tableize($name);
         if (!file_exists(DATA_FILES_PATH . DS . $file . '.yml')) {
             if (!$this->_user_defined && !isset($this->params['verbose']) && !isset($this->params['v'])) {
                 continue;
             }
             $this->out("Populating model '" . $name . "' ...", false);
             $this->out("\n    " . $this->_colorize("FAIL", 'ERROR') . $this->_colorize(" {$name}.yml does not exist", 'COMMENT'));
             continue;
         }
         $data = Yaml::Load($this->_parsePhp(DATA_FILES_PATH . DS . $file . '.yml'));
         if (!is_array($data) || !count($data)) {
             if (!$this->_user_defined && !isset($this->params['verbose']) && !isset($this->params['v'])) {
                 continue;
             }
             $this->out("Populating model '" . $name . "' ...", false);
             $this->out("\n    " . $this->_colorize("FAIL", 'ERROR') . $this->_colorize(" unable to parse YAML. Maybe empty.", 'COMMENT'));
             continue;
         }
         if ($data = $this->_startFixture($name, $data)) {
             $this->data[$name] = $data;
         }
     }
     foreach ($this->data as $name => $records) {
         foreach ($records as $i => $record) {
             foreach ($record as $key => $val) {
                 $class = Inflector::classify($key);
                 if ($val == '.RANDOM') {
                     if (isset($this->data[$class])) {
                         $this->data[$name][$i][$key . '_id'] = $this->data[$class][array_rand($this->data[$class])]['id'];
                         unset($this->data[$name][$i][$key]);
                     } else {
                         $this->out("Populating model '" . $name . "' ...", false);
                         $this->out("\n    " . $this->_colorize("FAIL", 'ERROR') . $this->_colorize(" Data file for association '{$class}' not loaded/found.", 'COMMENT'));
                         $this->out();
                         $this->hr();
                         exit;
                     }
                 }
             }
         }
     }
     foreach ($this->data as $name => $records) {
         $this->{$name}->deleteAll(array('1=1'), false);
         $this->out("Populating model '" . $name . "' ...", false);
         $res = $this->{$name}->saveAll($records, array('validate' => false));
         $this->out($this->_colorize(count($records) . ' rows inserted.', 'COMMENT'));
     }
     $this->out();
     $this->hr();
     $this->out();
 }