musikell

Example of a GraphQL application backed by Neo4j using morpheus and hasbolt, respectively.

Run it locally

Dependencies

We need a Neo4j instance running. Get it up and running quickly using docker.

docker run -it --rm -p7474:7474 -p7687:7687 --env NEO4J_AUTH=neo4j/test neo4j:latest

Using Cabal

cabal new-run musikell

Using Nix

Does not require to have cabal installed.

nix-shell --pure shell.nix
cabal new-run musikell

GraphQL API via Http

Go to http://localhost:3000/api and start sending queries. Eg. using Insomnia:

You can also get the GraphQL Schema at http://localhost:3000/schema.gql.

Queries

Get Artist

query GetArtist {
  artist (name: "Tool") {
    name
    spotifyId
  }
}

Get Albums by Artist

query GetAlbumsByArtist {
  albumsByArtist (name: "Opeth") {
    name
    yearOfReleased
    totalLength
  }
}

Mutations

Create Artist

mutation CreateArtist {
  newArtist(names: ["Porcupine Tree", "Puscifer"]) {
    name
    spotifyId
  }
}

Create Artist Albums

mutation CreateArtistAlbums {
  newArtistAlbums(spotifyId: "0ybFZ2Ab08V8hueghSXm6E") {
    name
    yearOfRelease
    totalLength
  }
}