/// <summary>
/// Saves.
/// </summary>
/// <param name="id">The entity identifier.</param>
/// <param name="delta">The data to change.</param>
/// <param name="cancellationToken">The optional token to monitor for cancellation requests.</param>
/// <returns>The change method.</returns>
public virtual async Task <ChangingResultInfo> SaveAsync(string id, JsonObjectNode delta, CancellationToken cancellationToken = default)
{
if (string.IsNullOrWhiteSpace(id))
{
if (delta == null)
{
return(null);
}
try
{
var newEntity = delta.Deserialize <T>();
return(await SaveAsync(newEntity, cancellationToken) ?? new ChangingResultInfo(ChangeErrorKinds.Service, "No response."));
}
catch (System.Text.Json.JsonException)
{
return(new ChangingResultInfo(ChangeErrorKinds.Argument, "Failed to convert the JSON object."));;
}
}
var entity = await GetAsync(id, true, cancellationToken);
if (delta == null || delta.Count == 0)
{
return(new ChangingResultInfo <T>(ChangeMethods.Unchanged, entity, "Update properties."));
}
;
entity.SetProperties(delta);
await SaveAsync(entity, cancellationToken);
return(new ChangingResultInfo <T>(ChangeMethods.MemberModify, entity, "Update properties."));
}