loadable.jsx: Show modal on API limit exceed

This shows a modal with error message on exceeding API limit.

Fixes #127

Author: 123vivekr

src/components/loadable.jsx

@@ -1,5 +1,6 @@
 import {Component} from 'react';
 import {SyncIcon} from 'react-octicons';
+import * as BS from 'react-bootstrap';
 
 const STATUS = {
   INITIAL: 'initial',
@@ -11,28 +12,53 @@ class Loadable extends Component {
   static defaultProps = {
     renderError: (err) => {
       console.error(err);
-      // If it is a permissions error then it might be a rate limi
+      // If it is a permissions error then it might be a rate limit
       if (err.status === 403) {
         return (
-          <div>
-            <h2>Insufficient Permissions (or rate limit exceeded)</h2>
-            <p>
-              It looks like either you do not have permission to see this repository or the rate limit for requests to GitHub has been exceeded. This usually happens when you are not logged in to gh-board. Try signing in to continue.
-            </p>
-            <code>{err.message}</code>
-          </div>
+          <BS.Modal show >
+            <BS.Modal.Header>
+              <BS.Modal.Title><h2>Insufficient Permissions </h2>(or rate limit exceeded)</BS.Modal.Title>
+            </BS.Modal.Header>
+            <BS.Modal.Body >
+              <div>
+                <p>
+                  It looks like either you do not have permission to see this repository or the rate limit for requests to GitHub has been exceeded. This usually happens when you are not logged in to gh-board. Try signing in to continue.
+                </p>
+                <code>
+                  {JSON.parse(err.message).message}
+                  <br />
+                  <a href={JSON.parse(err.message).documentation_url}>Documentation URL</a>
+                </code>
+                <br />
+                <br />
+              </div>
+            </BS.Modal.Body>
+          </BS.Modal>
         );
       } else if (err.name === 'InvalidStateError') {
         return (
           <span>It looks like your browser is in private browsing mode. gh-board uses IndexedDB to cache requests to GitHub. Please disable Private Browsing to see it work.</span>
         );
       } else {
         return (
-          <span>
-            Problem loading. Is it a valid repo? And have you exceeded your number of requests? Usually happens when not logged in because GitHub limits anonymous use of their API.
-            {err.message}
-            {JSON.stringify(err)}
-          </span>
+          <BS.Modal show >
+            <BS.Modal.Header>
+            </BS.Modal.Header>
+            <BS.Modal.Body >
+              <div>
+                <p>
+                  Problem loading. Is it a valid repo? And have you exceeded your number of requests? Usually happens when not logged in because GitHub limits anonymous use of their API.
+                </p>
+                <code>
+                  {JSON.parse(err.message).message}
+                  <br />
+                  <a href={JSON.parse(err.message).documentation_url}>Documentation URL</a>
+                </code>
+                <br />
+                <br />
+              </div>
+            </BS.Modal.Body>
+          </BS.Modal>
         );
       }
     }