Add twitter follower button to board

client/less/main.less

@@ -959,7 +959,6 @@ code {
  z-index: 20000 !important;
 }
 
-@import "jobs.less";
 
 //uncomment this to see the dimensions of all elements outlined in red
 //* {
@@ -1070,3 +1069,4 @@ code {
 }
 
 @import "chat.less";
+@import "jobs.less";

common/app/routes/Jobs/components/Jobs.jsx

@@ -3,6 +3,7 @@ import { contain } from 'thundercats-react';
 import { Button, Panel, Row, Col } from 'react-bootstrap';
 
 import ListJobs from './List.jsx';
+import TwitterBtn from './TwitterBtn.jsx';
 
 export default contain(
   {
@@ -18,12 +19,18 @@ export default contain(
 
     propTypes: {
       children: PropTypes.element,
+      numOfFollowers: PropTypes.number,
       appActions: PropTypes.object,
       jobActions: PropTypes.object,
       jobs: PropTypes.array,
       showModal: PropTypes.bool
     },
 
+    componentDidMount() {
+      const { jobActions } = this.props;
+      jobActions.getFollowers();
+    },
+
     handleJobClick(id) {
       const { appActions, jobActions } = this.props;
       if (!id) {
@@ -54,6 +61,7 @@ export default contain(
     render() {
       const {
         children,
+        numOfFollowers,
         jobs,
         appActions
       } = this.props;
@@ -88,13 +96,7 @@ export default contain(
                     Post a job: $200 for 30 days + weekly tweets
                   </Button>
                   <div className='button-spacer' />
-                  <a
-                    className='twitter-follow-button'
-                    data-show-count='false'
-                    data-size='large'
-                    href='https://twitter.com/CamperJobs'>
-                    Follow @CamperJobs
-                  </a>
+                  <TwitterBtn count={ numOfFollowers || 0 } />
                   <div className='spacer' />
                 </Col>
               </Row>

common/app/routes/Jobs/components/TwitterBtn.jsx

@@ -0,0 +1,33 @@
+import React, { createClass, PropTypes } from 'react';
+import { Button } from 'react-bootstrap';
+
+const followLink = 'https://twitter.com/intent/follow?' +
+  'ref_src=twsrc%5Etfw&region=follow_link&screen_name=CamperJobs&' +
+  'amp;tw_p=followbutton';
+
+function commify(count) {
+  return Number(count).toLocaleString('en');
+}
+
+export default createClass({
+
+  displayName: 'FollowButton',
+
+  propTypes: {
+    count: PropTypes.number
+  },
+
+  render() {
+    const { count } = this.props;
+    return (
+      <Button
+        block={ true }
+        bsSize='large'
+        bsStyle='primary'
+        href={ followLink }
+        target='__blank'>
+        Join { commify(count) } followers who see our job postings on Twitter.
+      </Button>
+    );
+  }
+});

common/app/routes/Jobs/flux/Actions.js

@@ -1,6 +1,7 @@
 import { Actions } from 'thundercats';
 import store from 'store';
 import debugFactory from 'debug';
+import { jsonp$ } from '../../../../utils/jsonp$';
 
 const debug = debugFactory('freecc:jobs:actions');
 const assign = Object.assign;
@@ -59,6 +60,10 @@ export default Actions({
   getSavedForm: null,
   setForm(form) {
     return { form };
+  },
+  getFollowers: null,
+  setFollowersCount(numOfFollowers) {
+    return { numOfFollowers };
   }
 })
   .refs({ displayName: 'JobActions' })
@@ -113,5 +118,20 @@ export default Actions({
         appActions.goTo(goTo);
       });
     });
+
+    jobActions.getFollowers.subscribe(() => {
+      const url = 'https://cdn.syndication.twimg.com/widgets/followbutton/' +
+        'info.json?lang=en&screen_names=CamperJobs' +
+        '&callback=JSONPCallback';
+
+      jsonp$(url)
+        .map(({ response }) => {
+          return response[0]['followers_count'];
+        })
+        .subscribe(
+          count => jobActions.setFollowersCount(count),
+          err => jobActions.setError(err)
+        );
+    });
     return jobActions;
   });

common/app/routes/Jobs/flux/Store.js

@@ -19,7 +19,8 @@ export default Store({
       openModal,
       closeModal,
       handleForm,
-      setForm
+      setForm,
+      setFollowersCount
     } = cat.getActions('JobActions');
     const register = createRegistrar(jobsStore);
     register(setter(setJobs));
@@ -27,6 +28,7 @@ export default Store({
     register(setter(openModal));
     register(setter(closeModal));
     register(setter(setForm));
+    register(setter(setFollowersCount));
 
     register(transformer(findJob));
     register(handleForm);

common/utils/jsonp$.js

@@ -0,0 +1,77 @@
+import { AnonymousObservable, Disposable } from 'rx';
+
+const root = typeof window !== 'undefined' ? window : {};
+const trash = 'document' in root && root.document.createElement('div');
+
+function destroy(element) {
+  trash.appendChild(element);
+  trash.innerHTML = '';
+}
+
+export function jsonp$(options) {
+  let id = 0;
+  if (typeof options === 'string') {
+    options = { url: options };
+  }
+
+  return new AnonymousObservable(function(o) {
+    const settings = Object.assign(
+      {},
+      {
+        jsonp: 'JSONPCallback',
+        async: true,
+        jsonpCallback: 'rxjsjsonpCallbackscallback_' + (id++).toString(36)
+      },
+      options
+    );
+
+    let script = root.document.createElement('script');
+    script.type = 'text/javascript';
+    script.async = settings.async;
+    script.src = settings.url.replace(settings.jsonp, settings.jsonpCallback);
+
+    root[settings.jsonpCallback] = function(data) {
+      root[settings.jsonpCallback].called = true;
+      root[settings.jsonpCallback].data = data;
+    };
+
+    const handler = function(e) {
+      if (e.type === 'load' && !root[settings.jsonpCallback].called) {
+        e = { type: 'error' };
+      }
+      const status = e.type === 'error' ? 400 : 200;
+      const data = root[settings.jsonpCallback].data;
+
+      if (status === 200) {
+        o.onNext({
+          status: status,
+          responseType: 'jsonp',
+          response: data,
+          originalEvent: e
+        });
+
+        o.onCompleted();
+      } else {
+        o.onError({
+          type: 'error',
+          status: status,
+          originalEvent: e
+        });
+      }
+    };
+
+    script.onload = script.onreadystatechanged = script.onerror = handler;
+
+    const head = root.document.getElementsByTagName('head')[0] ||
+      root.document.documentElement;
+
+    head.insertBefore(script, head.firstChild);
+
+    return Disposable.create(() => {
+      script.onload = script.onreadystatechanged = script.onerror = null;
+
+      destroy(script);
+      script = null;
+    });
+  });
+}