/**
* Validate SerpScraper constructor arguments.
* @param array $keywords
* @param string $outDir
* @param string $fetcherCacheDir
* @param string $serializerCacheDir
* @param int $cacheTTL
* @param int $requestDelay
*/
public static function checkArgs($keywords, $outDir, $fetcherCacheDir, $serializerCacheDir, $cacheTTL, $requestDelay)
{
if (!\Franzip\SerpScraper\Helpers\KeywordValidator::validKeywords($keywords)) {
throw new \Franzip\SerpScraper\Exceptions\InvalidArgumentException('Invalid SerializableSerpPage $keywords: please supply a sequential non-empty array of strings.');
}
if (!self::validateDirName($outDir)) {
throw new \Franzip\SerpScraper\Exceptions\InvalidArgumentException('Invalid SerializableSerpPage $outDir: please supply a non empty string.');
}
if (!self::validateDirName($fetcherCacheDir)) {
throw new \Franzip\SerpScraper\Exceptions\InvalidArgumentException('Invalid SerializableSerpPage $fetcherCacheDir: please supply a non empty string.');
}
if (!self::validateDirName($serializerCacheDir)) {
throw new \Franzip\SerpScraper\Exceptions\InvalidArgumentException('Invalid SerializableSerpPage $serializerCacheDir: please supply a non empty string.');
}
if (!\Franzip\SerpScraper\Helpers\FileSystemHelper::preventCacheCollision($outDir, $fetcherCacheDir, $serializerCacheDir)) {
throw new \Franzip\SerpScraper\Exceptions\InvalidArgumentException('Invalid SerializableSerpPage $outDir, $fetcherCacheDir, $serializerCacheDir: cannot share the same folder for different caches. Please supply different folders path for different caches.');
}
if (!self::validateExpirationTime($cacheTTL)) {
throw new \Franzip\SerpScraper\Exceptions\InvalidArgumentException('Invalid SerializableSerpPage $cacheTTL: please supply a positive integer.');
}
if (!self::validateExpirationTime($requestDelay)) {
throw new \Franzip\SerpScraper\Exceptions\InvalidArgumentException('Invalid SerializableSerpPage $requestDelay: please supply a positive integer.');
}
}
/**
* Set the path to the folder used to store the fetcher cache.
* @param string
* @return bool
*/
public function setFetcherCacheDir($dir)
{
if (SerpScraperHelper::validateDirName($dir) && FileSystemHelper::preventCacheCollision($this->outDir, $dir, $this->serializerCacheDir)) {
$this->fetcherCacheDir = $dir;
FileSystemHelper::setUpDir($dir);
return true;
}
return false;
}
