adds news gathering by generic technology topic or specified topic (#80)

Author: Capocaccia

Diff for: helper/news.js

@@ -0,0 +1,34 @@
+const getNews = (robot, topic = "technology") => {
+    let twoDaysAgo = new Date()
+        twoDaysAgo.setDate(twoDaysAgo.getDate() - 2)
+    let today = new Date()
+
+    return new Promise((resolve, reject) => {
+        let response = '';
+        //this is a free API and a public API key.
+        robot.http(`http://newsapi.org/v2/top-headlines?q=${topic}&from=${twoDaysAgo}&to=${today}&apiKey=835dc66684334edf8cd1d542023afc08`)
+            .get()((err, resp, body) => {
+            if (err) {
+                reject(new Error(err))
+            } else {
+                const data = JSON.parse(body)
+
+                if (data.status !== 'ok') {
+                    reject(new Error('Something went wrong getting the news!'))
+                }
+
+                if(data.totalResults > 0) {
+                    data.articles.forEach(article => {
+                        response += `\n Source: ${article.source.name} \n`
+                        response += ` Title: ${article.title} \n`
+                        response += ` Url: ${article.url}`
+                    })
+                }
+
+                resolve(response)
+            }
+        })
+    })
+}
+
+module.exports = getNews

Diff for: scripts/news.js

@@ -0,0 +1,23 @@
+//  Description:
+//    A bot to gather news based on a topic
+// 
+//  Author:
+// 	Capocaccia
+// 
+//  Commands:
+//   hubot news
+//   hubot news topic
+
+
+const getNews = require('../helper/news.js')
+
+module.exports = robot => {
+    robot.respond(/(news)\s*(\w*)/i, (res) => {
+        keyword = res.match[2].trim()
+        getNews(robot, keyword)
+        .then((data) => {
+            res.reply(JSON.stringify(data))
+        })
+    })
+};
+