Add swaggerification to generator

Author: Lee Richmond

lib/generators/jsonapi/resource_generator.rb

@@ -33,6 +33,7 @@ def copy_resource_file
       generate_route
       generate_tests
       generate_resource
+      generate_swagger if docs_controller?
     end
 
     private
@@ -68,6 +69,19 @@ def application_resource_defined?
       'ApplicationResource'.safe_constantize.present?
     end
 
+    def docs_controller?
+      File.exists?('app/controllers/docs_controller.rb')
+    end
+
+    def generate_swagger
+      code = "  jsonapi_resource '/v1/#{type}'"
+      code << ", only: [#{actions.map { |a| ":#{a}" }.join(', ')}]" if actions.length < 5
+      code << "\n"
+      inject_into_file 'app/controllers/docs_controller.rb', before: /^end/ do
+        code
+      end
+    end
+
     def generate_spec_payload
       to = File.join('spec/payloads', class_path, "#{file_name}.rb")
       template('payload.rb.erb', to)