Add browser info to level session

app/lib/LevelLoader.coffee

@@ -98,6 +98,7 @@ module.exports = class LevelLoader extends CocoClass
           if e.id is modulePath
             @languageModuleResource.markLoaded()
             @stopListening application.moduleLoader
+      @addSessionBrowserInfo session
 
       # hero-ladder games require the correct session team in level:loaded
       team = @team ? @session.get('team')
@@ -134,6 +135,16 @@ module.exports = class LevelLoader extends CocoClass
     if _.size(@sessionDependenciesRegistered) is 2 and @checkAllWorldNecessitiesRegisteredAndLoaded()
       @onWorldNecessitiesLoaded()
 
+  addSessionBrowserInfo: (session) ->
+    return unless $.browser?
+    browser = {}
+    browser['desktop'] = $.browser.desktop if $.browser.desktop
+    browser['name'] = $.browser.name if $.browser.name
+    browser['platform'] = $.browser.platform if $.browser.platform
+    browser['version'] = $.browser.version if $.browser.version
+    session.set 'browser', browser
+    session.patch()
+
   consolidateFlagHistory: ->
     state = @session.get('state') ? {}
     myFlagHistory = _.filter state.flagHistory ? [], team: @session.get('team')

app/schemas/models/level_session.coffee

@@ -29,6 +29,8 @@ LevelSessionSchema = c.object
 
 _.extend LevelSessionSchema.properties,
   # denormalization
+  browser:
+    type: 'object'
   creatorName:
     type: 'string'
   levelName:

server/levels/sessions/LevelSession.coffee

@@ -65,7 +65,8 @@ LevelSessionSchema.statics.privateProperties = ['code', 'submittedCode', 'unsubs
 LevelSessionSchema.statics.editableProperties = ['multiplayer', 'players', 'code', 'codeLanguage', 'completed', 'state',
                                                  'levelName', 'creatorName', 'levelID', 'screenshot',
                                                  'chat', 'teamSpells', 'submitted', 'submittedCodeLanguage',
-                                                 'unsubscribed', 'playtime', 'heroConfig', 'team', 'transpiledCode']
+                                                 'unsubscribed', 'playtime', 'heroConfig', 'team', 'transpiledCode',
+                                                 'browser']
 LevelSessionSchema.statics.jsonSchema = jsonschema
 
 module.exports = LevelSession = mongoose.model('level.session', LevelSessionSchema, 'level.sessions')