Extend remote to accept post id

client/src/remote.js

@@ -1,9 +1,20 @@
 module.exports = {
-  getPosts: function() {
+  getPosts: function(id) {
+    const BASE_URL = 'http://localhost:5000/api/posts'
+    const URL = BASE_URL + (id ? `/${id}` : '?sort=-1')
+
     this.$http
-      .get('http://localhost:5000/api/posts?sort=-1')
+      .get(URL)
       .then(res => {
-        this.posts = res.body
+        if (id) {
+          if (res.body.length === 0) {
+            throw Error("Response body empty")
+          }
+          this.post = res.body[0]
+        }
+        else {
+          this.posts = res.body
+        }
       })
       .catch(err => {
         console.log(`Error: ${err}`)