Jikan-ga-aru-server - Kotlin implementation of jikan-ga-nai timesheet tracker

An exercise in implementing the Timesheet tracker (https://github.com/ultish/jikan-ga-nai-server) using Netflix DGS framework and Kotlin.

Graphiql: http://localhost:8080/graphiql

Learning

DataLoaders and Custom Contexts

A custom context is passed from parent to child(s) which contains a mutable list of Entities that are loaded within a request. These are in-turn used to pull relationship information for Many-to-One DataLoaders, so we can perform a relatively easy query against the DB. Each dataLoader that pulls new data from the DB for the single request will keep adding Entities loaded into this Custom Context for the next child. (This may assume the child queries are not loaded in parallel...)

Not sure if this code will survive a refactor to a federated graphQL service in the future though.