project.js

angular.module('project', ['ngRoute', 'firebase'])

.value('fbURL', 'https://angularjs-projects.firebaseio.com/')

.factory('Projects', function($firebase, fbURL) {
	return $firebase(new Firebase(fbURL));
})

.config(function($routeProvider) {
	$routeProvider
		.when('/', {
			controller: 'ListCtrl',
			templateUrl: 'list.html'
		})
		.when('/edit/:projectId', {
			controller: 'EditCtrl',
			templateUrl: 'detail.html'
		})
		.when('/new', {
			controller: 'CreateCtrl',
			templateUrl: 'detail.html'
		})
		.otherwise({
			redirectTo: '/'
		});
})

.controller('ListCtrl', function($scope, Projects) {
	$scope.projects = Projects;
})

.controller('CreateCtrl', function($scope, $location, $timeout, Projects) {
	$scope.save = function() {
		Projects.$add($scope.project, function() {
			$timeout(function() {
				$location.path('/');
			});
		});
	};
})

.controller('EditCtrl',
	function($scope, $location, $routeParams, $firebase, fbURL) {
		var projectUrl = fbURL + $routeParams.projectId;
		$scope.project = $firebase(new Firebase(projectUrl));

		$scope.destroy = function() {
			$scope.project.$remove();
			$location.path('/');
		};

		$scope.save = function() {
			$scope.project.$save();
			$location.path('/');
		};
	});