Merge pull request #9 from SeraphimSerapis/paypal-rest-sdk

PayPal REST SDK sample

README.md

@@ -43,7 +43,7 @@ Features
  - Change Password
  - Link multipleOAuth 2.0 strategies to one account
  - Delete Account
-- **API Examples**: Facebook, Foursquare, Last.fm, Tumblr, Twitter, and more.
+- **API Examples**: Facebook, Foursquare, Last.fm, Tumblr, Twitter, PayPal, and more.
 
 Prerequisites
 -------------
@@ -112,6 +112,15 @@ Obtaining API Keys
 - Select **Website**
 - Enter `http://localhost:3000` for *Site URL*
 
+<img src="https://www.paypalobjects.com/webstatic/developer/logo_paypal-developer_beta.png" width="200">
+- Visit [PayPal Developer](https://developer.paypal.com/)
+- Log in using your existing PayPal account
+- Click **Applications > Create App** in the navigation bar
+- Enter *Application Name*, then click **Create app**
+- Copy and paste *Client ID* and *Secret* keys into `config/secrets.js`
+- *App ID* is **client_id**, *App Secret* is **client_secret**
+- Change **host** to api.paypal.com if you want to test against production and use the live credentials
+
 *TODO: Add Twitter and GitHub instructions.*
 
 Project Structure

app.js

@@ -97,6 +97,9 @@ app.get('/api/lastfm', apiController.getLastfm);
 app.get('/api/nyt', apiController.getNewYorkTimes);
 app.get('/api/twitter', passportConf.isAuthenticated, apiController.getTwitter);
 app.get('/api/aviary', apiController.getAviary);
+app.get('/api/paypal', apiController.getPayPal);
+app.get('/api/paypal/success', apiController.getPayPalSuccess);
+app.get('/api/paypal/cancel', apiController.getPayPalCancel);
 app.get('/auth/facebook', passport.authenticate('facebook', { scope: 'email' }));
 app.get('/auth/facebook/callback', passport.authenticate('facebook', { successRedirect: '/', failureRedirect: '/login' }));
 app.get('/auth/github', passport.authenticate('github'));

controllers/api.js

@@ -11,6 +11,7 @@ var tumblr = require('tumblr.js');
 var foursquare = require('node-foursquare')({ secrets: secrets.foursquare });
 var Github = require('github-api');
 var Twit = require('twit');
+var paypal = require('paypal-rest-sdk');
 
 /**
  * GET /api
@@ -254,3 +255,77 @@ exports.getTwitter = function(req, res, next) {
     });
   });
 };
+
+/**
+ * GET /api/paypal
+ * PayPal SDK example
+ */
+exports.getPayPal = function(req, res, next) {
+  paypal.configure(secrets.paypal);
+  var payment_details = {
+    'intent': 'sale',
+    'payer': {
+      'payment_method': 'paypal'
+    },
+    'redirect_urls': {
+      'return_url': secrets.paypal.returnUrl,
+      'cancel_url': secrets.paypal.cancelUrl
+    },
+    'transactions': [{
+      'description': 'Node.js Boilerplate',
+      'amount': {
+        'currency': 'USD',
+        'total': '2.99'
+      }
+    }]
+  };
+  paypal.payment.create(payment_details, function (error, payment) {
+    if(error){
+      console.log(error);
+    } else {
+      req.session.payment_id = payment.id;
+      var links = payment.links;
+      for (var i = 0; i < links.length; i++) {
+        if (links[i].rel === 'approval_url') {
+          res.render('api/paypal', {
+            approval_url: links[i].href
+          });
+        }
+      }
+    }
+  });
+};
+
+/**
+ * GET /api/paypal/success
+ * PayPal SDK example
+ */
+exports.getPayPalSuccess = function(req, res, next) {
+  var payment_id = req.session.payment_id;
+  var payment_details = { 'payer_id': req.query.PayerID };
+  paypal.payment.execute(payment_id, payment_details, function(error, payment){
+    if(error){
+      res.render('api/paypal', {
+        result: true,
+        success: false
+      });
+    } else {
+      res.render('api/paypal', {
+        result: true,
+        success: true
+      });
+    }
+  });
+};
+
+/**
+ * GET /api/paypal/cancel
+ * PayPal SDK example
+ */
+exports.getPayPalCancel = function(req, res, next) {
+  req.session.payment_id = null;
+  res.render('api/paypal', {
+    result: true,
+    canceled: true
+  });
+};

package.json

@@ -26,6 +26,7 @@
     "sendgrid": "~0.4.6",
     "tumblr.js": "~0.0.4",
     "twit": "~1.1.12",
-    "underscore": "~1.5.2"
+    "underscore": "~1.5.2",
+    "paypal-rest-sdk": "~0.6.4"
   }
 }

views/api/index.jade

@@ -27,3 +27,5 @@ block content
       small  (Login required)
     li
       a(href='/api/scraping') Web Scraping
+    li
+      a(href='/api/paypal') PayPal

views/api/paypal.jade

@@ -0,0 +1,35 @@
+extends ../layout
+
+block content
+  .page-header
+    h2
+      i.fa.fa-dollar(style='color: #1B4A7D')
+      | PayPal API
+
+  .btn-group.btn-group-justified
+    a.btn.btn-primary(href='https://developer.paypal.com/docs/integration/direct/make-your-first-call/', target='_blank')
+      i.fa.fa-check-square-o
+      | Quickstart
+    a.btn.btn-primary(href='https://developer.paypal.com/docs/api/', target='_blank')
+      i.fa.fa-code
+      | API Reference
+    a.btn.btn-primary(href='https://devtools-paypal.com/hateoas/index.html', target='_blank')
+      i.fa.fa-gear
+      | API Playground
+
+  h3
+    img(src='/img/paypal.png', width=50, height=50)
+    span  Sample Payment
+
+    if result
+      if canceled
+        h3 Payment got canceled!
+      if success
+        h3 Payment got executed successfully!
+      a(href='/api/paypal')
+          button.btn.btn-primary New payment
+    else
+      div
+        p Redirects to PayPal and allows authorizing the sample payment.
+        a(href=approval_url)
+          button.btn.btn-primary Authorize payment