<?php

/**
 * @class CatalogCacheMgr
 */

class CatalogCacheMgr extends TimeTableCacheMgr

{

	const DEFAULT_PARAM_ID_PREFIX = 'cat_param_id_';

	function __construct() {

		$this->objectMgr  = new CatalogMgr();

	}

	protected function getCacheFileName() {
	  return "cacheCat";
	}

	protected function resetCache($options = array()) {

    $this->cache = new CatalogCacheObject();

		if (!empty($options['nparams'])) {
			for ($i = 0; $i < (int)$options['nparams']; $i++) {
				$this->cache->addParameter(CatalogCacheMgr::DEFAULT_PARAM_ID_PREFIX.(string)($i+1), 'column_'.(string)($i+1), 1, 0);
			}

		}

		else if (!empty($options['parameters'])) {
			$index = 0;
			foreach ($options['parameters'] as $parameter) {
				if (array_key_exists('id',$parameter) && !empty($parameter['id'])) {
					$id = $parameter['id'];
				}
				else if (array_key_exists('ID',$parameter) && !empty($parameter['ID'])) {
					$id = $parameter['ID'];
				}
				else {
					$id = 'cat_param_id_'.$index;
				}
				$this->cache->addParameter($id, $parameter['name'], intval($parameter['size']), intval($parameter['type']));
				++$index;
			}

		}

		return array('parameters' => $this->cache->getParametersInfo());
  }

	protected function loadAdditionalDescription($options) {
		$params_desc = $this->objectMgr->getCatalogParamDescription($options);

		if (!$params_desc['success']) {

			return array();

		}

		return array('parameters' => $params_desc['parameters']);

	}

	public function initFromUploadedFile($name, $format)

	{

		$result = parent::initFromUploadedFile($name, $format);
		if (!$result['success']) {
			return $result;

		}

		$info = $this->objectMgr->getUploadedObject($name, $format,TRUE);
		foreach ($info['parameters'] as $parameter) {
			$this->cache->addParameter($parameter['id'], $parameter['name'], intval($parameter['size']), intval($parameter['type']));
		}

		return $result+ array('parameters' => $info['parameters']);

	}

	public function initFromTimeTable($id, $nbParams)
	{

          $params = $this->resetCache(array('nparams' => $nbParams));

          $ttMgr= new TimeTableMgr();
          $intervals_res = $ttMgr->loadIntervalsFromObject($id);

          if (!$intervals_res['success'])
                        return $intervals_res;

          foreach ($intervals_res['intervals'] as $interval)
          {
                  //Add interval
                  $this->cache->addInterval($interval);
           }

          unset($intervals_res);

          //Update cache
          $this->cache->updateIndexes();

          //Save cache file

          return array('success' => $this->saveToFile(), 'token' => $this->cache->getToken(), 'status' => $this->cache->getStatus(), 'parameters' => $this->cache->getParametersInfo());

 	}

}

?>