getCoverMedia example

public function convertManufacturerStruct(Manufacturer $manufacturer)
    {
        $data = [
            'id' => $manufacturer->getId(),
            'name' => $manufacturer->getName(),
            'description' => $manufacturer->getDescription(),
            'metaTitle' => $manufacturer->getMetaTitle(),
            'metaDescription' => $manufacturer->getMetaDescription(),
            'metaKeywords' => $manufacturer->getMetaKeywords(),
            'link' => $manufacturer->getLink(),
            'image' => $manufacturer->getCoverFile(),
            'media' => $manufacturer->getCoverMedia() ? $this->convertMediaStruct($manufacturer->getCoverMedia()) : null,
            'attributes' => $manufacturer->getAttributes(),
        ];

        if ($manufacturer->hasAttribute('core')) {
            $data['attribute'] = $manufacturer->getAttribute('core');
        }

        return $this->eventManager->filter('Legacy_Struct_Converter_Convert_Manufacturer', $data, [
            'manufacturer' => $manufacturer,
        ]);
    }