angular-lawnchair-services-async

gistfile1.txt

mod = angular.module('vendorPortal.services', ['ngResource']);
mod.factory('UserData', ($resource,$location) ->
    resource = $resource('http://' + $location.host() + '/Services/userinfo')
    return () ->
      resource.get()
  )
  .factory('UserDataStore', ($resource, $location, UserData, $q, $rootScope) ->
    mystore = new Lawnchair('userdata', () -> {})
    GetUserDataFromXhr = () ->
      xhrDeferred = $q.defer()
      userdata = UserData()
      rootScope.$apply(xhrDeferred.resolve userdata.userInfo)
      return xhrDeferred.promise
    GetUserDataFromStore = () ->
      storeDeferred = $q.defer()
      mystore.get('current', (result) ->
        $rootScope.$apply(storeDeferred.resolve(result))
        )
      return storeDeferred.promise
    return{
      Clear: () ->
        mystore.remove('current')
      Data: () ->
        sPromise = GetUserDataFromStore()
        combinedPromise = sPromise.then((result) ->
          if not result
            xPromise =  GetUserDataFromXhr()
            xPromise.then((result) ->
              resultString = JSON.stringify(result)
              userdata = {key:"userdata", value:resultString}
              mystore.save('current',userdata)
            )
            return xPromise.promise
          else
            return result
        )
        return combinedPromise.promise
      }
  );