Add View Project buttons to /courses

app/locale/en.coffee

@@ -1253,6 +1253,7 @@
     joining: "Joining class"
     course_complete: "Course Complete"
     play_arena: "Play Arena"
+    view_project: "View Project"
     start: "Start"
     last_level: "Last Level"
     welcome_to_hoc: "Adventurers, welcome to our Hour of Code!"

app/models/Classroom.coffee

@@ -98,10 +98,19 @@ module.exports = class Classroom extends CocoModel
     levels = new Levels(course.levels)
     return levels.find (l) -> l.isLadder()
 
+  getProjectLevel: (courseID) ->
+    Levels = require 'collections/Levels'
+    courses = @get('courses')
+    course = _.findWhere(courses, {_id: courseID})
+    return unless course
+    levels = new Levels(course.levels)
+    return levels.find (l) -> l.isProject()
+
   statsForSessions: (sessions, courseID) ->
     return null unless sessions
     sessions = sessions.models or sessions
     arena = @getLadderLevel(courseID)
+    project = @getProjectLevel(courseID)
     courseLevels = @getLevels({courseID: courseID, withoutLadderLevels: true})
     levelSessionMap = {}
     levelSessionMap[session.get('level').original] = session for session in sessions
@@ -151,6 +160,7 @@ module.exports = class Classroom extends CocoModel
         next: nextLevel
         first: courseLevels.first()
         arena: arena
+        project: project
       playtime: playtime
     stats
 

app/models/Level.coffee

@@ -263,6 +263,9 @@ module.exports = class Level extends CocoModel
   isLadder: ->
     return @get('type')?.indexOf('ladder') > -1
 
+  isProject: ->
+    return @get('shareable') is 'project'
+
   isType: (types...) ->
     return @get('type', true) in types
 

app/templates/courses/courses-view.jade

@@ -110,10 +110,15 @@ mixin course-instance-body(courseInstance, classroom)
   .pull-right
     if stats.levels.done
       - var arenaLevel = stats.levels.arena;
+      - var projectLevel = stats.levels.project;
       if arenaLevel
         - var arenaURL = "/play/ladder/"+arenaLevel.get('slug')+"/course/"+courseInstance.id;
         a.play-btn.btn.btn-burgandy.btn-lg.m-b-1(data-href=arenaURL, data-level-slug=arenaLevel.get('slug'), data-event-action="Students Play Arena")
           span(data-i18n="courses.play_arena")
+      else if projectLevel
+        - var projectURL = "/play/level/"+projectLevel.get('slug')+"?course="+course.id+"&course-instance="+courseInstance.id;
+        a.play-btn.btn.btn-burgandy.btn-lg.m-b-1(data-href=projectURL, data-level-slug=projectLevel.get('slug'), data-event-action="Students Play Project")
+          span(data-i18n="courses.view_project")
       else
         a.btn.btn-default.btn-lg.m-b-1(disabled=true, data-i18n="courses.course_complete")
     else if stats.levels.next != stats.levels.first