Add endpoint for GraphQL

apps/api/config/routes.rb

@@ -1 +1,2 @@
+get '/graphql', to: 'graphql#index'
 resources :contributors, only: %i[index show]

apps/api/controllers/graphql/index.rb

@@ -0,0 +1,9 @@
+module Api::Controllers::Graphql
+  class Index
+    include Api::Action
+
+    def call(params)
+      self.body = Graphql::Schema.execute(params[:query]).to_json
+    end
+  end
+end

config.ru

@@ -16,5 +16,4 @@ map '/sidekiq' do
   run Sidekiq::Web
 end
 
-
 run Hanami.app

lib/graphql/schema.rb

@@ -3,39 +3,3 @@ module Graphql
     query Types::Query
   end
 end
-
-# query_all = <<-QUERY
-# {
-#   contributors {
-#     id
-#     github
-#     full_name
-#     avatar_url
-#   }
-# }
-# QUERY
-#
-# Graphql::Schema.execute(query_all)
-# # => [{"data"=>{"contributor"=>{"id"=>"101", "github"=>"jodosha", "full_name"=>nil, "avatar_url"=>"https://avatars2.githubusercontent.com/u/5089?v=3"}}}, ...]
-
-# query_first = <<-QUERY
-# {
-#   contributor(id: "301") {
-#     id
-#     github
-#     full_name
-#     avatar_url
-#
-#     commits {
-#       url
-#
-#       project {
-#         name
-#       }
-#     }
-#   }
-# }
-# QUERY
-#
-# Graphql::Schema.execute(query_first)
-# => {"data"=>{"contributor"=>{"id"=>"301", "github"=>"janx", "full_name"=>nil, "avatar_url"=>"https://avatars3.githubusercontent.com/u/5958?v=3", "commits"=>[{"url"=>"https://github.com/hanami/view/commit/3e94750830a9905390dc823ff91f5ccd485d99ea"}]}}}

spec/api/controllers/graphql/index_spec.rb

@@ -0,0 +1,11 @@
+require_relative '../../../../apps/api/controllers/graphql/index'
+
+RSpec.describe Api::Controllers::Graphql::Index do
+  let(:action) { described_class.new }
+  let(:params) { Hash[] }
+
+  it 'is successful' do
+    response = action.call(params)
+    expect(response[0]).to eq 200
+  end
+end