/**
 * @param VideoFeedIngester $feedIngester
 * @param string $provider
 * @return string
 */
function getContentIngestedVideosByCategory($feedIngester, $provider)
{
    $content = "\n\nProvider: " . strtoupper($provider) . "\n";
    foreach ($feedIngester->getResultIngestedVideos() as $category => $msgs) {
        $content .= "\nCategory: {$category}\n";
        if (!empty($msgs)) {
            $content .= implode('', $msgs);
            $content .= "\n";
        }
    }
    return $content;
}