Events repository example

gistfile1.cs

 public class Repository : DbContextFixed
    {
        public Event2   AddEvent(object data)
        {
            return AddEvent(ApplicationStreamId, data);
        }
        public Event2 AddEvent(Guid streamId, object data)
        {
            var e = new Event2 {
                Created = DateTime.Now,
                Guid = Guid.NewGuid(),
                StreamId = streamId,
                DataType = data.GetType().Name,
                Data = JsonConvert.SerializeObject(data, new JsonSerializerSettings {
                    NullValueHandling = NullValueHandling.Ignore
                })
            };
            Events2.Add(e);
            return e;
        }
    }