ApiHelper::uploadPhotos

public function uploadPhotos($data, $vkGroupId, $uploadType, Timer $timer = NULL)
{
//		todo: this is a little kostyl. In cool variant we must separately do http-upload,
//		todo: and photo save run through execute method
//		todo: but now VK can't run savePhotoMethod through execute. Sadness ((

//		PARAMS set
	$photoSaveResults = array();
	switch ($uploadType)
	{
		case 'PRODUCT_MAIN_PHOTO':
			$uploadServerMethod = 'photos.getMarketUploadServer';
			$saveMethod = 'photos.saveMarketPhoto';
			$keyReference = 'BX_ID';
			$keyPhotoVk = 'PHOTO_MAIN_VK_ID';
			$keyPhotoBx = 'PHOTO_MAIN_BX_ID';
			break;
		
		case 'PRODUCT_PHOTOS':
			$uploadServerMethod = 'photos.getMarketUploadServer';
			$saveMethod = 'photos.saveMarketPhoto';
			$keyReference = 'PHOTO_BX_ID';
			$keyPhotoVk = 'PHOTO_VK_ID';
			$keyPhotoBx = 'PHOTO_BX_ID';
			break;
		
		case 'ALBUM_PHOTO':
			$uploadServerMethod = 'photos.getMarketAlbumUploadServer';
			$saveMethod = 'photos.saveMarketAlbumPhoto';
			$keyReference = 'SECTION_ID';
			$keyPhotoVk = 'PHOTO_VK_ID';
			$keyPhotoBx = 'PHOTO_BX_ID';
			break;
		
		default:
			throw new SystemException("Wrong photo upload type");
			break;
	}

//		PROCESSED
	foreach ($data as $item)
	{
//			check EXISTING photo
		if (!array_key_exists($keyPhotoBx, $item) || empty($item[$keyPhotoBx]))
			continue;

//			GET upload server by type
		$getServerParams = array("group_id" => str_replace("-", "", $vkGroupId));
		if ($uploadType == 'PRODUCT_MAIN_PHOTO')
			$getServerParams += self::setUploadServerMainPhotoParams($item[$keyPhotoBx]);
		
		$uploadServer = $this->api->run($uploadServerMethod, $getServerParams);
//			todo: may be this error in upload server response
		$this->logger->addLog("Get photo upload server", [
			'PARAMS' => $getServerParams,
			'RESULT' => $uploadServer,
		]);
		$uploadServer = $uploadServer["upload_url"];
		

//			UPLOAD photo by http
		$this->logger->addLog("Upload photo HTTP before", array(
			"UPLOAD_TYPE" => $uploadType,
			"ITEM" => array_key_exists("BX_ID", $item) ?
				$item["BX_ID"].': '.$item["NAME"] :
				$item["SECTION_ID"].': '.$item["TITLE"],
			"PHOTO_BX_ID" => array_key_exists("PHOTO_MAIN_BX_ID", $item) ? $item["PHOTO_MAIN_BX_ID"] : $item["PHOTO_BX_ID"],
			"PHOTO_URL" => array_key_exists("PHOTO_MAIN_URL", $item) ? $item["PHOTO_MAIN_URL"] : $item["PHOTO_URL"],
			"PHOTOS" => $item["PHOTOS"]	//only for products
		));
		$responseHttp = $this->uploadPhotoHttp($item, $uploadServer, $uploadType, $timer);
		
//			SAVE upload result
		$photoSaveParams = array(
			"group_id" => str_replace('-', '', $vkGroupId),
			"photo" => $responseHttp["photo"],
			"server" => $responseHttp["server"],
			"hash" => $responseHttp["hash"],
		);
		
		// for product photo we need more params
		if ($saveMethod == "photos.saveMarketPhoto")
		{
			if (isset($responseHttp["crop_hash"]) && $responseHttp["crop_hash"])
				$photoSaveParams["crop_hash"] = $responseHttp["crop_hash"];
			if (isset($responseHttp["crop_data"]) && $responseHttp["crop_data"])
				$photoSaveParams["crop_data"] = $responseHttp["crop_data"];
		}
		
		$responsePhotoSave = $this->api->run($saveMethod, $photoSaveParams);
		
//			RESULT
		$photoSaveResults[] = array(
			$keyReference => $item[$keyReference],
			$keyPhotoVk => $responsePhotoSave[0]["id"],
		);

//			todo: photo mapping. po odnomu, navernoe, ved timer
	}
	
	return $photoSaveResults;
}