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What do you call application modules that are responsible for business logic? (programming.dev)

submitted 5 months ago by vvv@programming.dev to c/experienced_devs@programming.dev

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Somewhere between API resources, queue workers, repositories, clients and serializers there is a class of ... classes/modules that does the needful. Gun-to-my-head, I would call them "services" but I'm looking for a less overloaded term. Maybe capabilities? Controllers? Pick a term from the business domain? What do you call them?

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[–] d23dro@lemmy.sdf.org 1 points 5 months ago* (last edited 5 months ago)

I would call them “agents” at a class layer and encapsulate the logic specific to each domain in its own class. Completely arbitrary but in my mind: adapters - call other web services

dao - database calls

agent - responsible for stitching the pieces all together and doing the actual business logic.

Example: OpenWeatherAdapter - call the OpenWeather API. No business logic. H2SelectDao - get user preferences from an internal database. No business logic.

WeatherAgent(openWeatherAdapter, h2SelectDao) - All the business logic.

Note: this is in context of a API service like a middleware.