public static async Task <PhotoLibraryObj> LoadPhotoLibraryAsync(string libraryName)
        {
            string fileContact = await FileHelper.ReadTextFileAsync(TEXT_FILE_NAME + libraryName + ".txt");

            PhotoLibraryObj library = JsonConvert.DeserializeObject <PhotoLibraryObj>(fileContact);

            return(library);
        }
        private async static Task <Dictionary <string, string> > LoadPhotoLibraryMetadataAsync()
        {
            string managerFileContent = await FileHelper.ReadTextFileAsync(LIBRARY_MANAGER_FILE_NAME);

            var libraries = JsonConvert.DeserializeObject <Dictionary <string, string> >(managerFileContent);

            return(libraries != null ? libraries : new Dictionary <string, string>());
        }