Merge pull request #7 from dawnlabs/twitter

Add upload to twitter support

components/Toolbar.js

@@ -16,8 +16,8 @@ const Toolbar = (props) => (
     />
     <Settings onChange={props.onSettingsChange} enabled={props.enabled} />
     <div className="buttons">
-      <CopyButton />
+      <Button className="tweetButton" onClick={props.upload} title={props.uploading ? 'Loading...' : 'Tweet Image'} color="#57b5f9" style={{ marginRight: '8px' }} />
-      <Button onClick={props.save} title="Save Image" color="#57b5f9" />
+      <Button onClick={props.save} title="Save Image" color="#c198fb" />
     </div>
     <style jsx>{`
       #toolbar {

handlers/twitter.js

@@ -0,0 +1,31 @@
+const Twitter = require('twitter')
+
+console.log(process.env);
+const client = new Twitter({
+  consumer_key: process.env.TWITTER_CONSUMER_KEY,
+  consumer_secret: process.env.TWITTER_CONSUMER_SECRET,
+  access_token_key: process.env.TWITTER_ACCESS_TOKEN_KEY,
+  access_token_secret: process.env.TWITTER_ACCESS_TOKEN_SECRET
+})
+
+const uploadImage = (data) => client.post('media/upload', { media_data: data })
+const uploadTweet = (media) => client.post('statuses/update', { status: 'carbon copy', media_ids: media.media_id_string })
+const extractImageUrl = (response) => response.entities.media[0].display_url
+
+const respondSuccess = (res, url) => res.json({ url })
+const respondFail = (res, err) => {
+  console.error(`Error: ${err.message || err}`)
+  res.status(500).send()
+}
+
+module.exports = (req, res) => {
+  if (!req.body.data) {
+    return res.status(400).send()
+  }
+
+  uploadImage(req.body.data)
+    .then(uploadTweet)
+    .then(extractImageUrl)
+    .then(respondSuccess.bind(null, res))
+    .catch(respondFail.bind(null, res))
+}

lib/api.js

@@ -1,5 +1,7 @@
 import axios from 'axios'
 
+const DOMAIN = process.browser ? document.location.origin : ''
+
 const gistClient = axios.create({
   baseURL: 'https://api.github.com',
   timeout: 5000,
@@ -9,6 +11,16 @@ const gistClient = axios.create({
   }
 });
 
+async function tweet (encodedImage) {
+  const processedData = encodedImage.split(',')[1]
+
+  return axios.post(`${DOMAIN}/twitter`, { data: processedData })
+  .then(res => res.data.url)
+  .then(url => encodeURIComponent(`Built with #Carbon, by @dawn_labs ${url}`))
+  .then(uri => `https://twitter.com/intent/tweet?text=${uri}`)
+  .then(openTwitterUrl)
+}
+
 async function uploadImage (encodedImage) {
    // upload image
   const url = 'https://api.imgur.com/3/image'
@@ -40,5 +52,16 @@ const getGist = (id) => {
 
 export default {
   uploadImage,
-  getGist
+  getGist,
+  tweet
+}
+
+// private
+function openTwitterUrl (twitterUrl) {
+  const width  = 575, height = 400
+  const left = (window.outerWidth  - width)  / 2
+  const right = (window.outerHeight - height) / 2
+  const opts = `status=1,width=${width},height=${height},top=${top},left=${left}`
+
+  window.open(twitterUrl, 'twitter', opts)
 }

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "code-image-2",
+  "name": "carbon",
   "version": "1.0.0",
   "main": "index.js",
   "license": "MIT",
@@ -27,6 +27,15 @@
     "react-dom": "^15.5.4",
     "react-spinkit": "^3.0.0",
     "react-spinner": "^0.2.7",
-    "react-syntax-highlight": "^0.0.6"
+    "react-syntax-highlight": "^0.0.6",
+    "twitter": "^1.7.1"
+  },
+  "now": {
+    "env": {
+      "TWITTER_CONSUMER_KEY": "@twitter-consumer-key",
+      "TWITTER_CONSUMER_SECRET":"@twitter-consumer-secret",
+      "TWITTER_ACCESS_TOKEN_KEY": "@twitter-access-token-key",
+      "TWITTER_ACCESS_TOKEN_SECRET": "@twitter-access-token-secret"
+    }
   }
 }

pages/editor.js

@@ -1,7 +1,6 @@
 import React from 'react'
 import HTML5Backend from 'react-dnd-html5-backend'
 import { DragDropContext } from 'react-dnd'
-import Axios from 'axios'
 import domtoimage from 'dom-to-image'
 
 import Page from '../components/Page'
@@ -34,11 +33,15 @@ class Editor extends React.Component {
       dropShadow: true,
       windowControls: true,
       paddingVertical: '48px',
-      paddingHorizontal: '32px'
+      paddingHorizontal: '32px',
+      uploading: false
     }
+
+    this.save = this.save.bind(this)
+    this.upload = this.upload.bind(this)
   }
 
-  save () {
+  getCarbonImage () {
     const node = document.getElementById('section')
 
     const config = {
@@ -50,7 +53,11 @@ class Editor extends React.Component {
       height: node.offsetHeight * 2
     }
 
-    domtoimage.toPng(node, config)
+    return  domtoimage.toPng(node, config)
+  }
+
+  save () {
+    this.getCarbonImage()
     .then((dataUrl) => {
       const link = document.createElement('a')
       link.download = 'snippet.png'
@@ -60,11 +67,14 @@ class Editor extends React.Component {
   }
 
   upload () {
-    domtoimage.toBlob(document.getElementById('container'))
+    this.setState({ uploading: true })
-      .then(api.uploadImage)
+    this.getCarbonImage()
-      .then(res => res.data.id)
+    .then(api.tweet)
-      .then(id => `http://i.imgur.com/${id}`)
+    .then(() => this.setState({ uploading: false }))
-      .then(console.log)
+    .catch((err) => {
+      console.error(err)
+      this.setState({ uploading: false })
+    })
   }
 
   render () {
@@ -77,6 +87,7 @@ class Editor extends React.Component {
               <Toolbar
                 save={this.save}
                 upload={this.upload}
+                uploading={this.state.uploading}
                 onBGChange={color => this.setState({ background: color })}
                 onThemeChange={theme => this.setState({ theme: theme.id })}
                 onLanguageChange={language => this.setState({ language: language.module })}

server.js

@@ -32,7 +32,7 @@ app.prepare()
 
   // api endpoints
   server.post('/upload', bodyParser.json(), wrap(require('./handlers/upload')))
-
+  server.post('/twitter', bodyParser.json({ limit: '5mb' }), require('./handlers/twitter'))
 
   server.listen(port, (err) => {
     if (err) throw err

yarn.lock

@@ -1215,6 +1215,10 @@ decamelize@^1.0.0, decamelize@^1.1.1:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
 
+deep-extend@^0.5.0:
+  version "0.5.0"
+  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.5.0.tgz#6ef4a09b05f98b0e358d6d93d4ca3caec6672803"
+
 deep-extend@~0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.4.2.tgz#48b699c27e334bf89f10892be432f6e4c7d34a7f"
@@ -3148,7 +3152,7 @@ repeating@^2.0.0:
   dependencies:
     is-finite "^1.0.0"
 
-request@^2.81.0:
+request@^2.72.0, request@^2.81.0:
   version "2.81.0"
   resolved "https://registry.yarnpkg.com/request/-/request-2.81.0.tgz#c6928946a0e06c5f8d6f8a9333469ffda46298a0"
   dependencies:
@@ -3552,6 +3556,13 @@ tweetnacl@^0.14.3, tweetnacl@~0.14.0:
   version "0.14.5"
   resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-0.14.5.tgz#5ae68177f192d4456269d108afa93ff8743f4f64"
 
+twitter@^1.7.1:
+  version "1.7.1"
+  resolved "https://registry.yarnpkg.com/twitter/-/twitter-1.7.1.tgz#0762378f1dc1c050e48f666aca904e24b1a962f4"
+  dependencies:
+    deep-extend "^0.5.0"
+    request "^2.72.0"
+
 type-is@~1.6.15:
   version "1.6.15"
   resolved "https://registry.yarnpkg.com/type-is/-/type-is-1.6.15.tgz#cab10fb4909e441c82842eafe1ad646c81804410"