Big initialization rework in order to be able to facilitate preloaded backend settings

addon/mixins/application-route.coffee

@@ -3,9 +3,25 @@ import config from 'ember-get-config'
 import ApplicationRouteMixin from 'ember-simple-auth/mixins/application-route-mixin'
 
 export default Ember.Mixin.create ApplicationRouteMixin,
-  current_user_loaded: (user) ->
+  current_user_loaded: (user) -> @get('initial_resources_resolve')(user)
   beforeModel: (transition) ->
-    @_loadCurrentUser arguments... unless transition?.targetName is 'login'
+    @set 'router.globals.initial_resources_fulfilled', false
+    time_now = new Date()
+    console.log "Application beforeModel"
+    initial_resources_loaded = new Ember.RSVP.Promise((resolve, reject) =>
+      @set 'initial_resources_resolve', resolve
+      @set 'initial_resources_reject', reject
+    ).then((resources) =>
+      console.log "Initial resources loaded (#{Math.round((new Date() - time_now) / 100) / 10}s)" # rounded devide by 1000
+      @set 'router.globals.initial_resources_fulfilled', true
+    ).catch((reason) =>
+      console.log "No initial resource loading (#{Math.round((new Date() - time_now) / 100) / 10}s)" # rounded devide by 1000
+      @set('router.globals.flash_message', reason) if reason
+    ).finally -> Ember.$('#initial-loader').remove()
+
+    @set 'initial_resources_loaded_promise', initial_resources_loaded
+    @_loadCurrentUser arguments...
+    initial_resources_loaded
 
   sessionAuthenticated: ->
     @_super arguments...
@@ -13,13 +29,15 @@ export default Ember.Mixin.create ApplicationRouteMixin,
 
   _loadCurrentUser: (transition) ->
     #if userId = @get('session.data.authenticated.user_id')
-    return if transition?.targetName is 'login'
+    if transition?.targetName is 'login' # don't load current user on login page
+      @get('initial_resources_reject')('Please login')
+      return
     @get('store').queryRecord('user', me: true).then (user) =>
       @set 'router.globals.current_user', user
       @current_user_loaded user # overloadable
     , =>
       @set 'router.globals.current_user', null
-      #@transitionTo('login').then (loginRoute) -> loginRoute.set('router.globals.flash.notice', 'Please login')
+      #@get('initial_resources_reject')('Unauthenticated user')
       @transitionTo('login')
 
   actions: