I'm working with event sourced data where all of the important fields are combined to a JSONB column and many of the keys are missing from most of the database rows. I would want to get: Aggregated combined values of…
I have following code specification sample that is modelling image inside Photoshop. Image is given with PhotoshopImage. Every image has Layers which is an object that holds all layers that an image is made of and in my case it…
Trying to implement Event Sourcing and CQRS for the first time, but got stuck when it came to persisting the aggregates. This is where I'm at now I've setup "EventStore" an a stream, "foos" Connected to it from node-eventstore-client I…
I am totally inexperienced in modelling or DDD approach. Below description could point out to my lack of knowledge about how entities, aggregates or microservices work. Background So, I have a domain for invoices, where an Invoice object is an…
A modern multi-user web application imposes a lot of restrictions on the actions that users can perform. In other words, the actions require authority. For example, a user can only change its own personal data, and only members of a…