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Derek Comartin

Thin Controllers with CQRS and MediatR

I’m not a fan of fat controllers. One of the reasons I dislike having my core application logic in controllers is because I like using the web frameworks for what they are good at in my context. My context is usually creating web api’s. For me I use web frameworks as infrastructure that handles HTTP routing and endpoints Deserialization of input payloads Serialization of output payloads HTTP Headers and Status Codes Web Stuff (eg File Uploads) You get the gist, I like using it for handling the web.  Not for containing my features. If you have any questions, please follow me on Twitter.… Read More »Thin Controllers with CQRS and MediatR

Couchbase Linq Provider

I recently decided to use Couchbase for a personal side project.  The primary reason I chose to use it was because I hadn’t yet.  Simple as that. Again, this is for a personal side project where I try out different technologies.  The second reason was I was interested in N1QL (pronounced “nickel”) which is the Couchbase Server query language. I’m not covering installing the Couchbase server.  if you don’t have a Couchbase server installed, check out the offical docs. Couchbase .NET SDK The most obvious route for accessing a Couchbase server is by using the the official Couchbase .NET Client.  Looking at… Read More »Couchbase Linq Provider

Event Store Persistent Subscriptions Demo

In my previous blog post, I talked about Catch-Up Subscriptions in-comparison to Persistent Subscriptions in Event Store. I’ve been meaning to create a little demo as I didn’t find very much in my limited searching. Specifically, I wanted to create a console app that would contain the subscription client  and another console app (event writer) that would write events to a stream. This way you could run the subscription client multiple times, then run the event writer and see how the events are only received from one subscription client. Source All the source code for this demo is available on GitHub.  Please… Read More »Event Store Persistent Subscriptions Demo