Merge branch 'master' into production

app/schemas/models/classroom.schema.coffee

@@ -25,6 +25,7 @@ _.extend ClassroomSchema.properties,
     levels: c.array { title: 'Levels' }, c.object { title: 'Level' }, {
       practice: {type: 'boolean'}
       practiceThresholdMinutes: {type: 'number'}
+      shareable: {type: 'boolean'}
       type: c.shortString()
       original: c.objectId()
       name: {type: 'string'}

app/schemas/models/level.coffee

@@ -325,6 +325,7 @@ _.extend LevelSchema.properties,
   replayable: {type: 'boolean', title: 'Replayable', description: 'Whether this (hero) level infinitely scales up its difficulty and can be beaten over and over for greater rewards.'}
   buildTime: {type: 'number', description: 'How long it has taken to build this level.'}
   practice: { type: 'boolean' }
+  shareable: { type: 'boolean', title: 'Shareable' }
   practiceThresholdMinutes: {type: 'number', description: 'Players with larger playtimes may be directed to a practice level.'}
 
   # Admin flags

app/views/editor/level/settings/SettingsTabView.coffee

@@ -16,6 +16,7 @@ module.exports = class SettingsTabView extends CocoView
     'name', 'description', 'documentation', 'nextLevel', 'background', 'victory', 'i18n', 'icon', 'goals',
     'type', 'terrain', 'showsGuide', 'banner', 'employerDescription', 'loadingTip', 'requiresSubscription',
     'helpVideos', 'replayable', 'scoreTypes', 'concepts', 'picoCTFProblem', 'practice', 'practiceThresholdMinutes'
+    'shareable'
   ]
 
   subscriptions:

app/views/ladder/SimulateTabView.coffee

@@ -136,6 +136,7 @@ class SimulatorsLeaderboardData extends CocoClass
     return me.id in (user.id for user in @topSimulators.models)
 
   nearbySimulators: ->
+    return [] if not @playersAbove?.models
     l = []
     above = @playersAbove.models
     l = l.concat(above)

server/handlers/level_handler.coffee

@@ -39,6 +39,7 @@ LevelHandler = class LevelHandler extends Handler
     'requiresSubscription'
     'adventurer'
     'practice'
+    'shareable'
     'adminOnly'
     'disableSpaces'
     'hidesSubmitUntilRun'

server/middleware/classrooms.coffee

@@ -154,7 +154,7 @@ module.exports =
       levels = _.sortBy(levels, 'campaignIndex')
       for level in levels
         levelData = { original: mongoose.Types.ObjectId(level.original) }
-        _.extend(levelData, _.pick(level, 'type', 'slug', 'name', 'practice', 'practiceThresholdMinutes'))
+        _.extend(levelData, _.pick(level, 'type', 'slug', 'name', 'practice', 'practiceThresholdMinutes', 'shareable'))
         courseData.levels.push(levelData)
       coursesData.push(courseData)
     classroom.set('courses', coursesData)