Add path prefix to all AJAX requests

This will handle the case where the site was deployed under a
path prefix.

static/coffee/spec/calculator_spec.coffee

@@ -60,7 +60,7 @@ describe 'Calculator', ->
       @calculator.calculate()
 
     it 'send data to /calculate', ->
-      expect($.getJSON).toHaveBeenCalledWith '/calculate',
+      expect($.getWithPrefix).toHaveBeenCalledWith '/calculate',
         equation: '1+2'
       , jasmine.any(Function)
 

static/coffee/spec/feedback_form_spec.coffee

@@ -16,7 +16,7 @@ describe 'FeedbackForm', ->
       $('#feedback_message').val 'This site is really good.'
       $('#feedback_button').click()
 
-      expect($.post).toHaveBeenCalledWith '/send_feedback', {
+      expect($.postWithPrefix).toHaveBeenCalledWith '/send_feedback', {
         subject: 'Awesome!'
         message: 'This site is really good.'
         url: window.location.href

static/coffee/src/calculator.coffee

@@ -20,5 +20,5 @@ class @Calculator
     $('.help').toggleClass 'shown'
 
   calculate: ->
-    $.getJSON '/calculate', { equation: $('#calculator_input').val() }, (data) ->
+    $.getWithPrefix '/calculate', { equation: $('#calculator_input').val() }, (data) ->
       $('#calculator_output').val(data.result)

static/coffee/src/courseware.coffee

 class @Courseware
   constructor: ->
+    Courseware.prefix = $("meta[name='path_prefix']").attr('content')
     new Navigation
     new Calculator
     new FeedbackForm

static/coffee/src/feedback_form.coffee

@@ -5,6 +5,6 @@ class @FeedbackForm
         subject: $('#feedback_subject').val()
         message: $('#feedback_message').val()
         url: window.location.href
-      $.post '/send_feedback', data, ->
+      $.postWithPrefix '/send_feedback', data, ->
         $('#feedback_div').html 'Feedback submitted. Thank you'
       ,'json'

static/coffee/src/main.coffee

+jQuery.postWithPrefix = (url, data, callback, type) ->
+  $.post("#{Courseware.prefix}#{url}", data, callback, type)
+
+jQuery.getWithPrefix = (url, data, callback, type) ->
+  $.get("#{Courseware.prefix}#{url}", data, callback, type)
+
 $ ->
   $.ajaxSetup
     headers : { 'X-CSRFToken': $.cookie 'csrftoken' }
@@ -18,8 +24,8 @@ $ ->
       element.schematic.update_value()
 
     schematic_value $("#schematic_#{circuit_id}").attr("value")
-    $.post "/save_circuit/#{circuit_id}", schematic: schematic_value, (data) ->
+    $.postWithPrefix "/save_circuit/#{circuit_id}", schematic: schematic_value, (data) ->
       alert('Saved') if data.results == 'success'
 
   window.postJSON = (url, data, callback) ->
-    $.post url, data, callback
+    $.postWithPrefix url, data, callback

templates/coffee/src/logger.coffee

 class @Logger
   @log: (event_type, data) ->
-    $.getJSON '/event',
+    $.getWithPrefix '/event',
       event_type: event_type
       event: JSON.stringify(data)
       page: window.location.href
@@ -8,7 +8,7 @@ class @Logger
   @bind: ->
     window.onunload = ->
       $.ajax
-        url: '/event'
+        url: "#{Courseware.prefix}/event"
         data:
           event_type: 'page_close'
           event: ''

templates/coffee/src/modules/problem.coffee

@@ -25,7 +25,7 @@ class @Problem
 
   check: =>
     Logger.log 'problem_check', @answers
-    $.post "/modx/problem/#{@id}/problem_check", @answers, (response) =>
+    $.postWithPrefix "/modx/problem/#{@id}/problem_check", @answers, (response) =>
       switch response.success
         when 'incorrect', 'correct'
           @render(response.contents)
@@ -34,18 +34,18 @@ class @Problem
 
   reset: =>
     Logger.log 'problem_reset', @answers
-    $.post "/modx/problem/#{@id}/problem_reset", id: @id, (content) =>
+    $.postWithPrefix "/modx/problem/#{@id}/problem_reset", id: @id, (content) =>
       @render(content)
 
   show: =>
     Logger.log 'problem_show', problem: @id
-    $.post "/modx/problem/#{@id}/problem_show", (response) =>
+    $.postWithPrefix "/modx/problem/#{@id}/problem_show", (response) =>
       $.each response, (key, value) =>
         @$("#answer_#{key}").text(value)
 
   save: =>
     Logger.log 'problem_save', @answers
-    $.post "/modx/problem/#{@id}/problem_save", @answers, (response) =>
+    $.postWithPrefix "/modx/problem/#{@id}/problem_save", @answers, (response) =>
       if response.success
         alert 'Saved'
 

templates/coffee/src/modules/sequence.coffee

@@ -36,7 +36,7 @@ class @Sequence
   render: (new_position) ->
     if @position != undefined
       @mark_visited @position
-      $.post "/modx/#{@tag}/#{@id}/goto_position", position: new_position
+      $.postWithPrefix "/modx/#{@tag}/#{@id}/goto_position", position: new_position
 
     if @position != new_position
       @mark_active new_position

templates/coffee/src/modules/video/video_caption.coffee

@@ -45,7 +45,7 @@ class VideoCaption
       .append($('<li class="spacing">').height(@bottomSpacingHeight()))
 
   fetchCaption: ->
-    $.getJSON @captionURL(), (captions) =>
+    $.getWithPrefix @captionURL(), (captions) =>
       @captions = captions.text
       @start = captions.start
       for index in [0...captions.start.length]

templates/main.html

@@ -28,6 +28,7 @@
        It can't be run through static.url because MathJax uses crazy url introspection to do lazy loading of
        MathJax extension libraries -->
   <script type="text/javascript" src="/static/js/mathjax-MathJax-c9db6ac/MathJax.js?config=TeX-AMS_HTML-full"></script>
+  <meta name="path_prefix" content="${MITX_ROOT_URL}">
 </head>
 
 <body class="<%block name='bodyclass'/>">

templates/profile.html

@@ -75,7 +75,7 @@ $(function() {
       });
 
     $('#pwd_reset_button').click(function() {
-      $.post('/password_reset/',{ "csrfmiddlewaretoken" : "${ csrf }",
+      $.postWithPrefix('/password_reset/',{ "csrfmiddlewaretoken" : "${ csrf }",
                     "email"  : $('#id_email').val()}, function(data){
          $("#password_reset_complete_link").click();
          log_event("profile", {"type":"password_send"});