hide navigation bar if the user is not logged

app/coffee/modules/auth.coffee

@@ -117,6 +117,8 @@ class AuthService extends taiga.Service
         @.removeToken()
         @.clear()
 
+        @currentUserService.removeUser()
+
     register: (data, type, existing) ->
         url = @urls.resolve("auth-register")
 

app/modules/navigation-bar/navigation-bar.directive.coffee

@@ -3,6 +3,7 @@ NavigationBarDirective = (currentUserService) ->
         scope.vm = {}
 
         taiga.defineImmutableProperty(scope.vm, "projects", () -> currentUserService.projects.get("recents"))
+        taiga.defineImmutableProperty(scope.vm, "isAuthenticated", () -> currentUserService.isAuthenticated())
 
     directive = {
         templateUrl: "navigation-bar/navigation-bar.html"

app/modules/navigation-bar/navigation-bar.directive.spec.coffee

@@ -17,6 +17,7 @@ describe "navigationBarDirective", () ->
     _mocksCurrentUserService = () ->
         mocks.currentUserService = {
             projects: projects
+            isAuthenticated: sinon.stub()
         }
 
         provide.value "tgCurrentUserService", mocks.currentUserService
@@ -66,3 +67,7 @@ describe "navigationBarDirective", () ->
         elm = createDirective()
         scope.$apply()
         expect(elm.isolateScope().vm.projects.size).to.be.equal(3)
+
+        mocks.currentUserService.isAuthenticated.returns(true)
+
+        expect(elm.isolateScope().vm.isAuthenticated).to.be.true

app/modules/navigation-bar/navigation-bar.jade

@@ -1,4 +1,4 @@
-nav.navbar
+nav.navbar(ng-if="vm.isAuthenticated")
     div.nav-left
         a.logo(
             href="#",

app/modules/services/current-user.service.coffee

@@ -9,21 +9,33 @@ class CurrentUserService
     ]
 
     constructor: (@projectsService, @storageService) ->
-        @._user = Immutable.Map()
+        @._user = null
         @._projects = Immutable.Map()
         @._projectsById = Immutable.Map()
 
         taiga.defineImmutableProperty @, "projects", () => return @._projects
         taiga.defineImmutableProperty @, "projectsById", () => return @._projectsById
 
+    isAuthenticated: ->
+        if @.getUser() != null
+            return true
+        return false
+
     getUser: () ->
-        if !@._user.size
+        if !@._user
             userData = @storageService.get("userInfo")
+
+            if userData
                 userData = Immutable.fromJS(userData)
-            @.setUser(userData) if userData
+                @.setUser(userData)
 
         return @._user
 
+    removeUser: () ->
+        @._user = null
+        @._projects = Immutable.Map()
+        @._projectsById = Immutable.Map()
+
     setUser: (user) ->
         @._user = user
 

app/modules/services/current-user.service.spec.coffee

@@ -88,3 +88,20 @@ describe "tgCurrentUserService", ->
             expect(currentUserService._loadProjects).to.be.callOnce
 
             done()
+
+    it "is authenticated", () ->
+        currentUserService.getUser = sinon.stub()
+        currentUserService.getUser.returns({})
+
+        expect(currentUserService.isAuthenticated()).to.be.true
+
+        currentUserService.getUser.returns(null)
+
+        expect(currentUserService.isAuthenticated()).to.be.false
+
+    it "remove user", () ->
+        currentUserService._user = true
+
+        currentUserService.removeUser()
+
+        expect(currentUserService._user).to.be.null