add check for id to exist in domain announcments

null check user at start of getUnreadAnnouncements
fix spelling mistake

services/web/app/coffee/Features/Announcements/AnnouncementsHandler.coffee

@@ -1,9 +1,9 @@
 AnalyticsManager = require("../Analytics/AnalyticsManager")
 BlogHandler = require("../Blog/BlogHandler")
-async = require("async")
-_ = require("lodash")
 logger = require("logger-sharelatex")
 settings = require("settings-sharelatex")
+async = require("async")
+_ = require("lodash")
 
 
 
@@ -13,22 +13,25 @@ module.exports = AnnouncementsHandler =
 
 
 	_domainSpecificAnnouncements : (email)->
-		domainSpecific = _.filter settings?.domainAnnouncmentsToShow, (domainAnnouncment)->
+		domainSpecific = _.filter settings?.domainAnnouncementsToShow, (domainAnnouncment)->
 			matches = _.filter domainAnnouncment.domains, (domain)->
 				return email.indexOf(domain) != -1
-			return matches.length > 0
+			return matches.length > 0 and domainAnnouncment.id?
 		return domainSpecific or []
 
 
 	getUnreadAnnouncements : (user, callback = (err, announcements)->)->
+		if !user? and !user._id?
+			return callback("user not supplied")
+
 		async.parallel {
 			lastEvent: (cb)->
-				AnalyticsManager.getLastOccurance user?._id, "announcement-alert-dismissed", cb
+				AnalyticsManager.getLastOccurance user._id, "announcement-alert-dismissed", cb
 			announcements: (cb)->
 				BlogHandler.getLatestAnnouncements cb
 		}, (err, results)->
 			if err?
-				logger.err err:err, user_id:user?._id, "error getting unread announcements"
+				logger.err err:err, user_id:user._id, "error getting unread announcements"
 				return callback(err)
 			
 			domainSpecific = AnnouncementsHandler._domainSpecificAnnouncements(user?.email)

services/web/test/UnitTests/coffee/Announcement/AnnouncementsHandlerTests.coffee

@@ -17,13 +17,14 @@ describe 'AnnouncementsHandler', ->
 			getLastOccurance: sinon.stub()
 		@BlogHandler =
 			getLatestAnnouncements:sinon.stub()
+		@settings = {}
 		@handler = SandboxedModule.require modulePath, requires:
 			"../Analytics/AnalyticsManager":@AnalyticsManager
 			"../Blog/BlogHandler":@BlogHandler
+			"settings-sharelatex":@settings
 			"logger-sharelatex":
 				log:->
 
-
 	describe "getUnreadAnnouncements", ->
 		beforeEach ->
 			@stubbedAnnouncements = [
@@ -113,3 +114,46 @@ describe 'AnnouncementsHandler', ->
 					announcements[1].should.equal @stubbedDomainSpecificAnn[0]
 					announcements[0].should.equal @stubbedAnnouncements[0]
 					done()
+
+		describe "_domainSpecificAnnouncements", ->
+			beforeEach ->
+				@settings.domainAnnouncementsToShow = [
+					{
+						domains: ["gmail.com", 'yahoo.edu']
+						title: "some message"
+						excerpt: "read this"
+						url:"http://www.sharelatex.com/i/somewhere"
+						id:"id1"
+						date: new Date(1308369600000).toString()
+					},	{
+						domains: ["gmail.com", 'yahoo.edu']
+						title: "some message"
+						excerpt: "read this"
+						url:"http://www.sharelatex.com/i/somewhere"
+						date: new Date(1308369600000).toString()
+					},	{
+						domains: ["gmail.com", 'yahoo.edu']
+						title: "some message"
+						excerpt: "read this"
+						url:"http://www.sharelatex.com/i/somewhere"
+						id:"id3"
+						date: new Date(1308369600000).toString()
+					}
+				]
+
+			it "should filter announcments which don't have an id", (done) ->
+				result = @handler._domainSpecificAnnouncements "someone@gmail.com"
+				result.length.should.equal 2
+				result[0].id.should.equal "id1"
+				result[1].id.should.equal "id3"
+				done()
+
+
+			it "should match on domain", (done) ->
+				@settings.domainAnnouncementsToShow[2].domains = ["yahoo.com"]
+				result = @handler._domainSpecificAnnouncements "someone@gmail.com"
+				result.length.should.equal 1
+				result[0].id.should.equal "id1"
+				done()
+
+