add questions query

app/graphql/types/base_enum.rb

@@ -1,4 +1,9 @@
 module Types
   class BaseEnum < GraphQL::Schema::Enum
+    def self.values_from_enumerize(enum_values)
+      enum_values.values.each do |enum_value|
+        value enum_value.upcase, value: enum_value
+      end
+    end
   end
 end

app/graphql/types/query_type.rb

@@ -4,14 +4,12 @@ module Types
     include GraphQL::Types::Relay::HasNodeField
     include GraphQL::Types::Relay::HasNodesField
 
-    # Add root-level fields here.
-    # They will be entry points for queries on your schema.
+    field :questions, QuestionType.connection_type, null: false do
+      argument :where, Inputs::QuestionWhereInput, required: false
+    end
 
-    # TODO: remove me
-    field :test_field, String, null: false,
-      description: "An example field added by the generator"
-    def test_field
-      "Hello World!"
+    def questions(where: nil)
+      Resolvers::QuestionsQueryResolver.new(Question, context: context, where: where).resolve
     end
   end
 end

app/graphql/types/question_alternative_type.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+module Types
+  module Questions
+    class Alternative < Types::BaseObject
+      graphql_name "QuestionAlternative"
+
+      field :correct, Boolean, null: false
+      field :text, String, null: true
+    end
+  end
+end

app/graphql/types/question_type.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+module Types
+  class QuestionType < Types::BaseObject
+    implements GraphQL::Types::Relay::Node
+
+    graphql_name 'Question'
+
+    global_id_field :id
+    field :user_id, Integer, null: false
+    field :subject_id, Integer
+    field :alternatives, GraphQL::Types::JSON, null: false
+    field :authorship, String
+    field :authorship_year, String
+    field :body, String
+    field :explanation, String
+    field :instruction, String
+    field :intention, String
+    field :references, String
+    field :support, String
+    field :bloom_taxonomy, Enums::QuestionBloomTaxonomyEnum
+    field :check_type, Enums::QuestionCheckTypeEnum
+    field :difficulty, Enums::QuestionDifficultyEnum
+    field :status, Enums::QuestionStatusEnum, null: false
+    field :created_at, GraphQL::Types::ISO8601DateTime, null: false
+    field :updated_at, GraphQL::Types::ISO8601DateTime, null: false
+  end
+end