From 4dd04ff7258e78a6e1f72c89c51f4ea987cb86e1 Mon Sep 17 00:00:00 2001
From: Joshua Seigler <joshua@seigler.net>
Date: Tue, 28 Jan 2020 23:56:19 -0500
Subject: [PATCH] feat(server): author -> books

---
 server/schema/schema.js | 22 ++++++++++++++++------
 1 file changed, 16 insertions(+), 6 deletions(-)

diff --git a/server/schema/schema.js b/server/schema/schema.js
index b1b0733..2f5bb7a 100644
--- a/server/schema/schema.js
+++ b/server/schema/schema.js
@@ -6,6 +6,7 @@ const {
   GraphQLString,
   GraphQLID,
   GraphQLInt,
+  GraphQLList,
   GraphQLSchema
 } = graphql;
 
@@ -13,7 +14,10 @@ const {
 const books = [
   { name: 'Name of the Wind', genre: 'Fantasy', id: '1', authorId: '1' },
   { name: 'The Final Empire', genre: 'Fantasy', id: '2', authorId: '2' },
-  { name: 'The Long Earth', genre: 'Sci-Fi', id: '3', authorId: '3' }
+  { name: 'The Hero of Ages', genre: 'Fantasy', id: '4', authorId: '2' },
+  { name: 'The Long Earth', genre: 'Sci-Fi', id: '3', authorId: '3' },
+  { name: 'The Colour of Magic', genre: 'Fantasy', id: '5', authorId: '3' },
+  { name: 'The Light Fantastic', genre: 'Fantasy', id: '6', authorId: '3' }
 ];
 const authors = [
   { name: 'Patrick Rothfuss', age: 44, id: '1' },
@@ -41,7 +45,13 @@ const AuthorType = new GraphQLObjectType({
   fields: () => ({
     id: { type: GraphQLID },
     name: { type: GraphQLString },
-    age: { type: GraphQLInt }
+    age: { type: GraphQLInt },
+    books: {
+      type: new GraphQLList(BookType),
+      resolve (parent, args) {
+        return _.filter(books, { authorId: parent.id });
+      }
+    }
   })
 });
 
@@ -51,15 +61,15 @@ const RootQuery = new GraphQLObjectType({
     book: {
       type: BookType,
       args: { id: { type: GraphQLID } },
-      resolve (parent, { id }) {
-        return _.find(books, { id });
+      resolve (parent, args) {
+        return _.find(books, { id: args.id });
       }
     },
     author: {
       type: AuthorType,
       args: { id: { type: GraphQLID } },
-      resolve (parent, { id }) {
-        return _.find(authors, { id });
+      resolve (parent, args) {
+        return _.find(authors, { id: args.id });
       }
     }
   }