public static async Task <bool> Exists(this ITextItemRepository repository, Guid identity)
{
var textItemIdentity = TextItemIdentity.From(identity);
var exists = await repository.Exists(textItemIdentity);
return(exists);
}
public static async Task Append(this ITextItemRepository repository, TextItemIdentity identity, string appendix, string separator = StringHelper.Empty)
{
var value = repository.GetValue(identity);
var newValue = $"{value}{separator}{appendix}";
await repository.SetValue(identity, newValue);
}