Add Country type

lib/spree/graphql/types/country.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+module Spree
+  module Graphql
+    module Types
+      class Country < Base::RelayNode
+        field :iso_name, String, null: false
+        field :iso, String, null: false
+        field :iso3, String, null: false
+        field :name, String, null: false
+        field :numcode, Integer, null: false
+        field :states_required, Boolean, null: false
+        field :created_at, GraphQL::Types::ISO8601DateTime, null: true
+        field :updated_at, GraphQL::Types::ISO8601DateTime, null: true
+      end
+    end
+  end
+end

lib/spree/graphql/types/query.rb

@@ -9,6 +9,11 @@ class Query < Types::Base::Object
 
         # Fetches a list of objects given a list of UUIDs
         field :nodes, field: GraphQL::Relay::Node.plural_field
+
+        field :countries, Types::Country.connection_type, null: false, description: "Supported Countries"
+        def countries
+          Spree::Country.all
+        end
       end
     end
   end

schema.graphql

@@ -1,2 +1,133 @@
+type Country implements Node {
+  createdAt: ISO8601DateTime
+  id: ID!
+  iso: String!
+  iso3: String!
+  isoName: String!
+  name: String!
+  numcode: Int!
+  statesRequired: Boolean!
+  updatedAt: ISO8601DateTime
+}
+
+"""
+The connection type for Country.
+"""
+type CountryConnection {
+  """
+  A list of edges.
+  """
+  edges: [CountryEdge]
+
+  """
+  A list of nodes.
+  """
+  nodes: [Country]
+
+  """
+  Information to aid in pagination.
+  """
+  pageInfo: PageInfo!
+}
+
+"""
+An edge in a connection.
+"""
+type CountryEdge {
+  """
+  A cursor for use in pagination.
+  """
+  cursor: String!
+
+  """
+  The item at the end of the edge.
+  """
+  node: Country
+}
+
+"""
+An ISO 8601-encoded datetime
+"""
+scalar ISO8601DateTime
+
+"""
+An object with an ID.
+"""
+interface Node {
+  """
+  ID of the object.
+  """
+  id: ID!
+}
+
+"""
+Information about pagination in a connection.
+"""
+type PageInfo {
+  """
+  When paginating forwards, the cursor to continue.
+  """
+  endCursor: String
+
+  """
+  When paginating forwards, are there more items?
+  """
+  hasNextPage: Boolean!
+
+  """
+  When paginating backwards, are there more items?
+  """
+  hasPreviousPage: Boolean!
+
+  """
+  When paginating backwards, the cursor to continue.
+  """
+  startCursor: String
+}
+
 type Query {
+  """
+  Supported Countries
+  """
+  countries(
+    """
+    Returns the elements in the list that come after the specified cursor.
+    """
+    after: String
+
+    """
+    Returns the elements in the list that come before the specified cursor.
+    """
+    before: String
+
+    """
+    Returns the first _n_ elements from the list.
+    """
+    first: Int
+
+    """
+    Returns the last _n_ elements from the list.
+    """
+    last: Int
+  ): CountryConnection!
+
+  """
+  Fetches an object given its ID.
+  """
+  node(
+    """
+    ID of the object.
+    """
+    id: ID!
+  ): Node
+
+  """
+  Fetches a list of objects given a list of IDs.
+  """
+  nodes(
+    """
+    IDs of the objects.
+    """
+    ids: [ID!]!
+  ): [Node]!
 }