add individual resource query lookup

Author: mr-rob0to

README.md

@@ -12,6 +12,26 @@ Serverless GraphQL API built with Netlify functions and Apollo. This is a POC us
 > ntl dev ## this will run your server locally
 ```
 
+## Running GraphQL queries
+
+We will use the handly GraphQL [playground](https://github.com/prisma/graphql-playground) app to test/run queries against our GraphQL API.
+
+Enter the following url: `http://localhost:8888/.netlify/functions/graphql` in GraphQL playground.
+
+GetAll Resources:
+
+```
+{
+  resources {
+    id
+    title
+    description
+    credit
+    url
+  }
+}
+```
+
 ## Technologies used
 
 - Netlify

src/lambda/resolvers/resources.resolvers.js

@@ -1,6 +1,7 @@
+// will switch over to a real db for data sources once we vet the POC
 const resources = [
   {
-    id: 1,
+    id: '1',
     title: 'Learning React',
     description: 'Official react tutorial',
     url: 'https://reactjs.org/tutorial/tutorial.html',
@@ -22,7 +23,7 @@ const resources = [
     ]
   },
   {
-    id: 2,
+    id: '2',
     title: 'Learning Vue',
     description: 'Official Vuejs tutorial',
     url: 'https://vuejs.org/v2/guide/',
@@ -54,6 +55,11 @@ const resources = [
 
 module.exports = {
   Query: {
-    resources: () => resources
+    resources: () => resources,
+    resource: (parent, args, context, info) => {
+      return resources.find(resource => {
+        return resource.id === args.id;
+      });
+    }
   }
 };

src/lambda/types/resources.graphql

@@ -1,5 +1,6 @@
 type Query {
   resources: [Resource]!
+  resource(id: ID!): Resource
 }
 
 type Resource {