Implemented feed router services (Get/Patch)

Author: Mark Mavromatis

course-02/exercises/udacity-c2-restapi/src/aws.ts

@@ -4,7 +4,7 @@ import { config } from './config/config';
 const c = config.dev;
 
 //Configure AWS
-var credentials = new AWS.SharedIniFileCredentials({profile: 'default'});
+var credentials = new AWS.SharedIniFileCredentials({profile: c.aws_profile});
 AWS.config.credentials = credentials;
 
 export const s3 = new AWS.S3({

course-02/exercises/udacity-c2-restapi/src/controllers/v0/feed/routes/feed.router.ts

@@ -18,14 +18,55 @@ router.get('/', async (req: Request, res: Response) => {
 
 //@TODO
 //Add an endpoint to GET a specific resource by Primary Key
+router.get('/:id', async (req: Request, res: Response) => {
+    let { id } = req.params;
+    if (!id) {
+        return res.status(400)
+                .send(`id is required`);
+    }
+
+    const foundImage = await FeedItem.findByPk(id);
+    if (!foundImage) {
+        return res.status(404)
+                .send(`No image found with ID: ${id}`);
+    }
+
+    res.status(200).send(foundImage);
+});
 
 // update a specific resource
 router.patch('/:id', 
     requireAuth, 
     async (req: Request, res: Response) => {
-        //@TODO try it yourself
-        res.send(500).send("not implemented")
-});
+        let { id } = req.params;
+        let { caption, url } = req.body;
+
+        if (!caption && !url) {
+            return res.status(400).send(`caption or url is required in the request body`)
+        }
+
+        if (!id) {
+            return res.status(400)
+                    .send(`id is required`);
+        }
+
+        const foundImage = await FeedItem.findByPk(id);
+        if (!foundImage) {
+            return res.status(404)
+                    .send(`No image found with ID: ${id}`);
+        }
+
+        if (caption) {
+            foundImage.caption = caption;
+        }
+        if (url) {
+            foundImage.url = url;
+        }
+        foundImage.save()
+
+        res.status(200).send(foundImage);
+
+    });
 
 
 // Get a signed url to put a new item in the bucket