Refactor with a ternary operator

Here is my code which actually working as I expect :

static func imageName(for page: Int, isThumbnail: Bool) -> String {
    return isThumbnail ? "\(page)_thumb.jpg" : "\(page).jpg"
}

static func writeImageFile(with data: Data, issue: Issue, page: Int) throws -> URL {
    let path = MediaFileManager.issueImagesDirectoryURL(issue: issue)
    let imagePath = path.appendingPathComponent("\(imageName(for: page, isThumbnail: false))")
    let thumbPath = path.appendingPathComponent("\(imageName(for: page, isThumbnail: true))")
    try data.write(to: imagePath)
    try data.write(to: thumbPath)

    return path
}

I want the same result: - create 2 different constants which append to the main path - write 2 data to this 2 paths

Is that possible to refactor the writeImageFile()?