Adding a script to get visit stats from Google Analytics

src/scripts/googleanalytics.coffee

@@ -0,0 +1,99 @@
+# Description
+#   Gets visits stats from Google Analytics
+#
+# Dependencies:
+#   "date-utils": ">=1.2.5",
+#   "googleanalytics": "0.3.6"
+#
+# Configuration:
+#   HUBOT_ANALYTICS_USER
+#   HUBOT_ANALYTICS_PASSWD
+#   HUBOT_ANALYTICS_PROFILE_ID
+#
+# Commands:
+#   hubot how many visits we had last year|month|week|yesterday?
+#
+# Notes:
+#   
+#
+# Author:
+#   ghvillasboas (based on a work by Artsy Editorial)
+
+GA = require('googleanalytics')
+util = require('util')
+require('date-utils')
+   
+module.exports = (robot) ->
+  robot.respond /how many (visits|visitors|sessions|session|access|users|pageviews|page views) we had (.* year|.* month|.* week|yesterday).*/i, (msg) ->
+    scope = msg.match[2]
+
+    config = { "user": process.env.HUBOT_ANALYTICS_USER, "password": process.env.HUBOT_ANALYTICS_PASSWD }
+    
+    ga = new GA.GA(config);
+
+    ga.login (err, token) ->
+      
+      start_date = Date.today().add({ months: -1 }).toYMD("-")
+
+      # format scope of starting dates
+      if /yesterday/.test(scope)
+        start_date = Date.yesterday().toYMD("-")
+      else if /.* week/.test(scope)
+        start_date = Date.today().add({ weeks: -1 }).toYMD("-")
+      else if /.* year/.test(scope)
+        start_date = Date.today().add({ years: -1 }).toYMD("-"))
+
+      end_date = Date.today().toYMD("-")
+      
+      options = {
+        'ids': "ga:#{process.env.HUBOT_ANALYTICS_PROFILE_ID}",
+        'start-date': start_date,
+        'end-date': end_date,
+        'metrics': 'ga:sessions, ga:pageviews, ga:avgSessionDuration, ga:percentNewSessions'
+      }
+
+      ga.get(options, (err, entries) ->
+
+        message = ""
+
+        visits = entries[0]["metrics"][0]["ga:sessions"]
+        pageviews = entries[0]["metrics"][0]["ga:pageviews"]
+        percentNew = parseInt( entries[0]["metrics"][0]["ga:percentNewSessions"], 10 )
+        onlineTime = parseInt( entries[0]["metrics"][0]["ga:avgSessionDuration"] )
+
+        # format message
+        if /yesterday/.test(scope)
+          message += "Yesterday we had "
+        else if /.* week/.test(scope)
+          message += "Last week we had "
+        else if /.* year/.test(scope)
+          message += "Last year we had "
+        else
+          message += "Last month we had "
+
+        message += "#{visits} sessions (#{percentNew}% new) and #{pageviews} pageviews. Average session duration: #{convertoToHHMMSS onlineTime}"
+        
+        msg.reply message 
+      )
+
+convertoToHHMMSS = (seconds) ->
+  # multiply by 1000 because Date() requires miliseconds
+  date = new Date(seconds * 1000)
+  hh = date.getUTCHours()
+  mm = date.getUTCMinutes()
+  ss = date.getSeconds()
+
+  # This line gives you 12-hour (not 24) time
+  if hh > 12
+    hh = hh - 12
+  
+  # These lines ensure you have two-digits
+  if hh < 10
+    hh = "0" + hh
+  if mm < 10
+    mm = "0"+mm
+  if ss < 10
+    ss = "0"+ss
+
+  # This formats your string to HH:MM:SS
+  "#{hh}:#{mm}:#{ss}"