gistfile1.txt

enum ImageFileManager {
    enum ImageCompressionType {
        case jpeg(quality: CGFloat)
        case png
    }
    
    static func saveImage(_ image: UIImage, key: String, compression: ImageCompressionType) {
        guard let data = switch compression {
        case .jpeg(let quality):
            image.jpegData(compressionQuality: quality)
        case .png:
            image.pngData()
        }, let folder = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first else { return }
        
        let fileURL = folder.appendingPathComponent(key)
        try? data.write(to: fileURL, options: .atomic)
    }
    
    static func path(for key: String) -> URL? {
        guard let folder = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first else { return nil }
        return folder.appendingPathComponent(key)
    }
}