class collectionPhrasesDTO
{
	private $phrasesDTO = array();

	public function addPhraseDTO(virtualPhraseDTO $phraseDTO)
	{
		$this->phrasesDTO[] = $phraseDTO;
	}

	public function toArray()
	{
		return $this->phrasesDTO;
	}

	public function toStructuredAdsArray()
	{
		$ads = array();
		foreach ($this->toArray() as $phraseDTO)
		{
			$phraseParams = $phraseDTO->getParams();
			$adId = $phraseParams->adId;
			if (!isset($ads[$adId]))
			{
				$ads[$adId] = $phraseDTO->getAdInfo();
				$ads[$adId]->additionalInfo = $phraseDTO->getAdAdditinoalInfo();
				$ads[$adId]->phrases = array();
			}
			$ads[$adId]->phrases[] = $phraseParams->sharedParams;
		}
		return $ads;
	}

	public function toBundleAdInfo()
	{
		$bundleAdInfo = new bundleAdInfo();
		$structuredAds = $this->toStructuredAdsArray();
		foreach ($structuredAds as $adInfo)
		{
			$bundleAdInfo->addAdditionalInfo($adInfo->additionalInfo);
			foreach ($adInfo->phrases as $phraseSharedParams)
			{
				$bundleAdInfo->addPhrasesSharedParams($phraseSharedParams);
			}
		}
		return $bundleAdInfo;
	}
}