Table of Contents
Last updated
January 9, 2019
Setting up GraphQL
Now we have a sinatra app that connects to the database and shows a list of speakers as a JSON response. Now let’s add graphql and define a schema for speakers.
Add the graphql
gem. https://github.com/rmosolgo/graphql-ruby.
Also the rack-contrib
gem needs to be added so that the sinatra app can accept raw JSON payloads.
GraphQL works on a “schema” (basically something like a database schema), with the required models that needs to be queried or updated. So we need to define a schema.
The /graphql
endpoint
We now need to have a POST endpoint for GraphQL.
GraphQL schema can be executed to give a GraphQL::Query::Result
which can then be converted to JSON. app.rb
needs change to include this endpoint.
…