Refactor Segment.io integration with sequentials and instructor dashboard pages

common/static/coffee/spec/logger_spec.coffee

@@ -3,16 +3,6 @@ describe 'Logger', ->
     expect(window.log_event).toBe Logger.log
 
   describe 'log', ->
-    it 'sends an event to Segment.io, if the event is whitelisted and the data is not a dictionary', ->
-      spyOn(analytics, 'track')
-      Logger.log 'seq_goto', 'data'
-      expect(analytics.track).toHaveBeenCalledWith 'seq_goto', value: 'data'
-
-    it 'sends an event to Segment.io, if the event is whitelisted and the data is a dictionary', ->
-      spyOn(analytics, 'track')
-      Logger.log 'seq_goto', value: 'data'
-      expect(analytics.track).toHaveBeenCalledWith 'seq_goto', value: 'data'
-
     it 'send a request to log event', ->
       spyOn $, 'postWithPrefix'
       Logger.log 'example', 'data'

common/static/coffee/src/logger.coffee

@@ -1,19 +1,8 @@
 class @Logger
 
-  # events we want sent to Segment.io for tracking
-  SEGMENT_IO_WHITELIST = ["seq_goto", "seq_next", "seq_prev", "problem_check", "problem_reset", "problem_show", "problem_save"]
-
   # listeners[event_type][element] -> list of callbacks
   listeners = {}
   @log: (event_type, data, element = null) ->
-    # Segment.io event tracking
-    if event_type in SEGMENT_IO_WHITELIST
-      # to avoid changing the format of data sent to our servers, we only massage it here
-      if typeof data isnt 'object' or data is null
-        analytics.track event_type, value: data
-      else
-        analytics.track event_type, data
-
     # Check to see if we're listening for the event type.
     if event_type of listeners
       # Cool.  Do the elements also match?
@@ -43,7 +32,6 @@ class @Logger
     else
       listeners[event_type][element].push callback
 
-
   @bind: ->
     window.onunload = ->
       $.ajaxWithPrefix