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func fetchImageWithFileManager(image: String) -> UIImage? {

    if let pathUrl = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0] {
        let dirURL = pathUrl.appendingPathComponent(image)
        do {
            let imageData = try Data(contentsOf: dirURL)
            return UIImage(data: imageData)
        } catch {
            print("Failed loading image")
        }
    }
    return nil
}