Minor code style cleanup

server/middleware/api.coffee

@@ -97,7 +97,7 @@ getUser = wrap (req, res) ->
       .exec()
     obj.stats ?= {}
     obj.stats.playTime = result[0].playTime
-  
+
   res.send(obj)
 
 
@@ -220,23 +220,20 @@ putUserLicense = wrap (req, res) ->
 
 postClassroom = wrap (req, res) ->
   owner = yield User.findBySlugOrId(req.body.ownerID)
-  if not owner
+  unless owner
     throw new errors.NotFound('User not found.')
   unless req.client.hasControlOfUser(owner)
     throw new errors.Forbidden('Must have created the user to perform this action.')
   unless owner?.isTeacher()
     throw new errors.Forbidden("Can't create classroom if user (#{owner?.id}) isn't a teacher.")
-
-  if not req.body.aceConfig?.language
+  unless req.body.aceConfig?.language
     throw new errors.UnprocessableEntity('aceConfig.language is required in the request body')
-
   try
     classroom = yield Classroom.create(owner, req)
     res.status(201).send(classroom.toObject({req: req}))
   catch err
     console.log("postClassroom api error: ", err)
     throw new errors.InternalServerError('Error creating the classroom')
-
 
 putClassroomMember = wrap (req, res) ->
   classroom = yield database.getDocFromHandle(req, Classroom)
@@ -337,12 +334,12 @@ getClassroomMemberSessions = wrap (req, res, next) ->
   memberStrings = classroom.get('members').map((memberId) => memberId + '')
   unless member and member.id in memberStrings
     throw new errors.NotFound('Member id not found in classroom.')
-    
+
   unless req.client.hasControlOfUser(member)
     throw new errors.Forbidden('Must have created the member to perform this action.')
 
   sessions = yield classroom.fetchSessionsForMembers([member._id])
-    
+
   # Return member sessions for assigned courses
   res.status(200).send(sessions)
 
@@ -387,9 +384,9 @@ getPlayTimeStats = wrap (req, res) ->
   }
   if req.query.country
     query.country = req.query.country
-    
+
   user = yield User.find(query,{_id: 1}).exec()
-  
+
   ids = _.map user, (x) -> x._id.toString()
 
   result = yield LevelSession.aggregate()
@@ -399,8 +396,8 @@ getPlayTimeStats = wrap (req, res) ->
 
   output = result[0]
   if not output
-    return res.send { playTime: 0, gamesPlayed: 0 } 
-    
+    return res.send { playTime: 0, gamesPlayed: 0 }
+
   delete output._id
 
   res.send output

server/models/Classroom.coffee

@@ -49,7 +49,7 @@ ClassroomSchema.statics.create = co.wrap (owner, req) ->
   database.validateDoc(classroom)
   classroom = yield classroom.save()
   yield delighted.checkTriggerClassroomCreated(owner)
-  return classroom
+  classroom
 
 ClassroomSchema.pre('save', (next) ->
   return next() if @get('code')