restangularDemoApp.js

angular.module('restangularDemoApp', [
  'restangular',
  'ngCookies'
])
.constant('apiKey', 'YOUR_Mongolab_API_KEY')
.config(function(RestangularProvider, apiKey) {
  RestangularProvider.setBaseUrl('https://api.mongolab.com/api/1/databases/YOURDATABASE/collections');
    RestangularProvider.setDefaultRequestParams({ 
      apiKey: apiKey
    })
    RestangularProvider.setRestangularFields({
      id: '_id.$oid'
    });
    
    RestangularProvider.setRequestInterceptor(
      function(elem, operation, what) {
    
        if (operation === 'put') {
          elem._id = undefined;
          return elem;
        }
        return elem;
  })
})
.factory('Messages', [
  '$rootScope', '$cookieStore', 'Restangular',
  function($rootScope, $cookieStore, Restangular) {
    var messageService = 
      Restangular.all('message'),
        authorService =
      Restangular.all('authors');

    var service = {
      thisAuthor: function() {
        var author;
        if (!$cookieStore.get('thisAuthor')) {
          author = {
            id: guid()
          };
          $cookieStore.put('thisAuthor', author);
          authorService.post(author);
        } else {
          author = $cookieStore.get('thisAuthor');
        }
        return author;
      },
      addMessage: function(msg) {
        var newMsg = msg;
        newMsg.author = service.thisAuthor().id;
        newMsg.createdAt = new Date();
        $rootScope.$broadcast('messages:added');
        return messageService.post(newMsg);
      },
      getMessages: function() {
        return messageService.getList();
      },
      removeMessage: function(msg) {
        $rootScope.$broadcast('messages:removed');
        return msg.remove();
      },
      updateMessage: function(msg) {
        $rootScope.$broadcast('messages:updated');
        return msg.put();
      },
      getAuthorMessages: function() {
        var params = {
          author: service.thisAuthor().id
        };
        return messageService.getList({q: params});
      }
    };
    return service;
  }
  ])
.controller('MessageController', [
  '$scope', '$timeout', 'Messages', 'Restangular',
  function($scope, $timeout,
      Messages, Restangular) {
    var thisAuthor = Messages.thisAuthor(),
        updateMessageTimeout = undefined;

    $scope.showEdit = false;
    $scope.editMessage = undefined;
    $scope.messages = Messages.getMessages();

    var updateMessages = function() {
      if (updateMessageTimeout) $timeout.cancel(updateMessageTimeout);

      updateMessageTimeout = $timeout(function() {

        $scope.$apply(function() {
          Messages.getMessages().then(function(d) {
            $scope.messages = d;
          });
        });
      }, 500);
    }

    $scope.$on('messages:added', updateMessages);
    $scope.$on('messages:removed', updateMessages);
    $scope.$on('messages:updated', updateMessages);

    $scope.showEditMessage = function(msg) {
      $scope.editMessage = Restangular.copy(msg);
      $scope.showEdit = true;
    }

    $scope.saveEdit = function() {
      Messages.updateMessage($scope.editMessage)
        .then(function(data) {
        $scope.editMessage = undefined;
        $scope.showEdit = false;
      });
    }

    $scope.addMessage = function() {
      Messages.addMessage($scope.newMessage);
      $scope.authorMessagesEmpty = false;
      $scope.newMessage = {};
    };

    $scope.removeMessage = function(msg) {
      Messages.removeMessage(msg);
    }

    $scope.authorMessagesEmpty = false;
    $scope.getAuthorMessages = function() {
      Messages.getAuthorMessages().then(function(d) {
        if (d.length === 0) {
          $scope.authorMessagesEmpty = true;
        } else {
          $scope.authorMessages = d;
        }
      });
    }
  }]);