Develop Reference

Sending data to factory from controller?

my factory is:
myAppServices.factory('ProfileData',['$http', function($http){
return{
newly_joined:function(callback){
$http.get(
//myUrl will be an url from controller.
myUrl
).success(callback);
}
};
}
]);
and I have three controller which has different URL:
controller1:
AppControllers.controller('ProfileListCtrl',['$scope','$state', '$rootScope', 'ProfileData', '$timeout', function($scope, $state, $rootScope, ProfileData, $timeout ) {
ProfileData.newly_joined(function(response) {
var myUrl= "www.abc...."
//something goes there
});
}]);
controller2:
AppControllers.controller('ProfileListCtrl1',['$scope','$state', '$rootScope', 'ProfileData', '$timeout', function($scope, $state, $rootScope, ProfileData, $timeout ) {
ProfileData.newly_joined(function(response) {
var myUrl= "www.abc...."
//something goes there
});
}]);
and controller 3 is:
AppControllers.controller('ProfileListCtrl2',['$scope','$state', '$rootScope', 'ProfileData', '$timeout', function($scope, $state, $rootScope, ProfileData, $timeout ) {
ProfileData.newly_joined(function(response) {
var myUrl= "www.abc...."
//something goes there
});
}]);
I want different data in different controller because of different URL and I am showing all three details on single web page.
So if there were any method to send 'myUrl' in factory that I can use that for pulling data.
Note: please don't suggest me for using $resource or $routeparams because $resource was not successfull in pulling data from json and I don't want to use big variable Url for my page.
Thanks in advance

All you need to do is add an additional parameter to the newly_joined function:
newly_joined:function(callback, myUrl){
Also, you should be using .then instead of .success

Your factory should be returning promises instead of using callbacks.
myAppServices.factory('ProfileData',['$http', function($http){
return function(myUrl) {
return $http.get(myUrl);
};
}]);
The controller
AppControllers.controller('ProfileListCtrl',['$scope', 'ProfileData', function($scope,ProfileData) {
var myUrl= "www.abc....";
var httpPromise = ProfileData(myUrl);
httpPromise.then(function onFulfilled(response) {
$scope.data = response.data;
}).catch(function onRejected(response) {
console.log("ERROR ", response.status);
});
}]);
The DEMO on JSFiddle
The advantage of using promises is that they retain error information.
Also notice that myUrl is sent to the factory as an argument.
For more information on the advantages of using promises, see Why are Callbacks from Promise Then Methods an Anti-Pattern?

How do I poll a database and populate a controller using AngularJs, Ui-Router, and MongoDB?

I've been trying to get my Angular app to populate the controller with data from a database (mongodb) before the page loads. I can't quite get it to work. I'm trying to use the "resolve" property of angular ui-router but it's not working and I can't figure it out!!
Here's the full code for my app:
var freezerApp = angular.module('freezerApp', ['ui.router']);
freezerApp.config([
'$stateProvider','$urlRouterProvider',function($stateProvider,$urlRouterProvider) {
$stateProvider
.state('home', {
url: '/home',
templateUrl: '/partials/home.html',
controller: 'freezerCtrl',
});
$stateProvider
.state('freezer', {
url: '/freezers',
templateUrl: 'partials/freezers.html',
controller: 'freezerCtrl',
//not working:
resolve: {
freezerPromise: function($scope){
return $scope.getAll();
}
};
});
$urlRouterProvider.otherwise('home');
}]);
freezerApp.controller('freezerCtrl', ['$scope', '$http', function ($scope,$http) {
$scope.freezer =
{'freezername':'Freezer Name',
'building':'Building',
'floor':'Floor',
'room':'Room',
'shelves': 0,
'racks': 0
};
$scope.add_freezer = function() {
$scope.freezers.push(
{'freezername': $scope.freezer.freezername,
'building':$scope.freezer.building,
'floor':$scope.freezer.floor,
'room':$scope.freezer.room,
'shelves': $scope.freezer.shelves,
'racks': $scope.freezer.racks
}
);
};
$scope.freezers = [
{
}
];
$scope.default_freezer = $scope.freezers[0];
$scope.getAll = function() {
return $http.get('/freezers').success(function(data){
angular.copy(data, $scope.freezers);
});
};
}]);

According to the Ui-Router Resolve Documentation:
You can use resolve to provide your controller with content or data that is custom to the state. resolve is an optional map of dependencies which should be injected into the controller.
If any of these dependencies are promises, they will be resolved and converted to a value before the controller is instantiated and the $stateChangeSuccess event is fired.
It looks like you are trying to provide $scope object from your freezerCtrl to your resolve property. This is incorrect.
I would recommend you create a factory like so for your api call.
angular.module.('freezerApp').factory('freezerFact',function($http){
return {
getAll: $http.get('/freezers')
}
});
Then inside of your freezer $state deceleration you could do it like this:
$stateProvider
.state('freezer', {
url: '/freezers',
templateUrl: 'partials/freezers.html',
controller: 'freezerCtrl',
resolve: {
freezerPromise: function(freezerFact){
return freezerFact.getAll;
}
};
});
Then you would pass the freezerPromise object into your freezerCtrl and manipulate the promise after that.

AngularJS - Page redirecting to some other page in angular js while trying to get parameter from url

Here's my controller code
.when('/showprofile/:UserID', {
templateUrl: 'resources/views/layout/showprofile.php',
controller: 'ShowOrderController',
})
I am passing the parameter by url.
I am trying to access this page by the url directly like this
http://192.168.1.58/myapp/#/showprofile/8
But it is redirecting me to
http://192.168.1.58/myapp/#/showprofile/:UserID
How can i get the url value in my view ?
Here is my app.js and here is my authCtrl.js

Try this in your controller, it will return the object based on url value then we can get the respected value like this
//it will return the object
console.log($routeParams);
//get the specific url value like this
console.log($routeParams.UserID);
or
console.log($route.current.params.UserID);

Yes possible but you have to inject the $state in your controller and get
if you use $state means
console.log($state.params.userID);

Try this...
var sampleApp = angular.module('sampleApp', []);
sampleApp.config(['$routeProvider',
function($routeProvider) {
$routeProvider.
when('/ShowOrder/:orderId', {
templateUrl: 'templates/show_order.html',
controller: 'ShowOrderController'
});
}]);
sampleApp.controller('ShowOrderController', function($scope, $routeParams) {
$scope.order_id = $routeParams.orderId;
});

Right, you have something like this in app.js:
.when('/showprofile/:UserID', {
templateUrl: 'resources/views/layout/showprofile.php',
controller: 'authCtrl',
})
That means that authCtrl is assigned to this view.
So, it's neccessary to inject routeParams to authCtrl( remember about dependency injection in javascript ) :
app.controller('authCtrl', ['$scope','$rootScope','$routeParams','$location', '$http', 'Data', function ($scope, $rootScope, $routeParams, $location, $http, Data) {
$scope.myVar = $routeParams.UserID;
console.log('UserID: ',$scope.myVar);
/* (...) */
}]);
Could you tell me, if this change, logs UserID in console? Or is empty?
If it logs, then everything works fine and you can use service to pass this variable between various controllers.

Angularjs ng-controller with resolve

I've ran into problem with ng-controller and 'resolve' functionality:
I have a controller that requires some dependency to be resolved before running, it works fine when I define it via ng-route:
Controller code looks like this:
angular.module('myApp')
.controller('MyController', ['$scope', 'data', function ($scope, data) {
$scope.data = data;
}
]
);
Routing:
...
.when('/someUrl', {
templateUrl : 'some.html',
controller : 'MyController',
resolve : {
data: ['Service', function (Service) {
return Service.getData();
}]
}
})
...
when I go to /someUrl, everything works.
But I need to use this controller in other way(I need both ways in different places):
<div ng-controller="MyController">*some html here*</div>
And, of course, it fails, because 'data' dependency wasn't resolved. Is there any way to inject dependency into controller when I use 'ng-controller' or I should give up and load data inside controller?

In the below, for the route resolve, we're resolving the promise and wrapping the return data in an object with a property. We then duplicate this structure in the wrapper service ('dataService') that we use for the ng-controller form.
The wrapper service also resolves the promise but does so internally, and updates a property on the object we've already returned to be consumed by the controller.
In the controller, you could probably put a watcher on this property if you wanted to delay some additional behaviours until after everything was resolved and the data was available.
Alternatively, I've demonstrated using a controller that 'wraps' another controller; once the promise from Service is resolved, it then passes its own $scope on to the wrapped controller as well as the now-resolved data from Service.
Note that I've used $timeout to provide a 1000ms delay on the promise return, to try and make it a little more clear what's happening and when.
angular.module('myApp', ['ngRoute'])
.config(function($routeProvider) {
$routeProvider
.when('/', {
template: '<h1>{{title}}</h1><p>{{blurb}}</p><div ng-controller="ResolveController">Using ng-controller: <strong>{{data.data}}</strong></div>',
controller: 'HomeController'
})
.when('/byResolve', {
template: '<h1>{{title}}</h1><p>{{blurb}}</p><p>Resolved: <strong>{{data.data}}</strong></p>',
controller: "ResolveController",
resolve: {
dataService: ['Service',
function(Service) {
// Here getData() returns a promise, so we can use .then.
// I'm wrapping the result in an object with property 'data', so we're returning an object
// which can be referenced, rather than a string which would only be by value.
// This mirrors what we return from dataService (which wraps Service), making it interchangeable.
return Service.getData().then(function(result) {
return {
data: result
};
});
}
]
}
})
.when('/byWrapperController', {
template: '<h1>Wrapped: {{title}}</h1><p>{{blurb}}</p><div ng-controller="WrapperController">Resolving and passing to a wrapper controller: <strong>{{data.data ? data.data : "Loading..."}}</strong></div>',
controller: 'WrapperController'
});
})
.controller('HomeController', function($scope) {
$scope.title = "ng-controller";
$scope.blurb = "Click 'By Resolve' above to trigger the next route and resolve.";
})
.controller('ResolveController', ['$scope', 'dataService',
function($scope, dataService) {
$scope.title = "Router and resolve";
$scope.blurb = "Click 'By ng-controller' above to trigger the original route and test ng-controller and the wrapper service, 'dataService'.";
$scope.data = dataService;
}
])
.controller('WrapperController', ['$scope', '$controller', 'Service',
function($scope, $controller, Service) {
$scope.title = "Resolving..."; //this controller could of course not show anything until after the resolve, but demo purposes...
Service.getData().then(function(result) {
$controller('ResolveController', {
$scope: $scope, //passing the same scope on through
dataService: {
data: result
}
});
});
}
])
.service('Service', ['$timeout',
function($timeout) {
return {
getData: function() {
//return a test promise
return $timeout(function() {
return "Data from Service!";
}, 1000);
}
};
}
])
// our wrapper service, that will resolve the promise internally and update a property on an object we can return (by reference)
.service('dataService', function(Service) {
// creating a return object with a data property, matching the structure we return from the router resolve
var _result = {
data: null
};
Service.getData().then(function(result) {
_result.data = result;
return result;
});
return _result;
});
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.27/angular.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.27/angular-route.min.js"></script>
<div ng-app="myApp">
By ng-controller |
By Resolve |
By Wrapper Controller
<div ng-view />
</div>

Create a new module inside which you have the service to inject like seen below.
var module = angular.module('myservice', []);
module.service('userService', function(Service){
return Service.getData();
});
Inject newly created service module inside your app module
angular.module('myApp')
.controller('MyController', ['$scope', 'myservice', function ($scope, myservice) {
$scope.data = data;
// now you can use new dependent service anywhere here.
}
]
);

You can use the mechanism of the prototype.
.when('/someUrl', {
template : '<div ng-controller="MyController" ng-template="some.html"></div>',
controller: function (data) {
var pr = this;
pr.data = data;
},
controllerAs: 'pr',
resolve : {
data: ['Service', function (Service) {
return Service.getData();
}]
}
})
angular.module('myApp')
.controller('MyController', ['$scope', function ($scope) {
$scope.data = $scope.pr.data; //magic
}
]
);
Now wherever you want to use
'<div ng-controller="MyController"></div>'
you need to ensure that there pr.data in the Scope of the calling controller. As an example uib-modal
var modalInstance = $modal.open({
animation: true,
templateUrl: 'modal.html',
resolve: {
data: ['Service', function (Service) {
return Service.getData();
}]
},
controller: function ($scope, $modalInstance, data) {
var pr = this;
pr.data = data;
pr.ok = function () {
$modalInstance.close();
};
},
controllerAs:'pr',
size:'sm'
});
modal.html
<script type="text/ng-template" id="modal.html">
<div class="modal-body">
<div ng-include="some.html" ng-controller="MyController"></div>
</div>
<div class="modal-footer">
<button class="btn btn-primary pull-right" type="button" ng-click="pr.ok()">{{ 'ok' | capitalize:'first'}}</button>
</div>
</script>
And now you can use $scope.data = $scope.pr.data; in MyController
pr.data is my style. You can rewrite the code without PR.
the basic principle of working with ng-controller described in this video https://egghead.io/lessons/angularjs-the-dot

Presuming that Service.getData() returns a promise, MyController can inject that Service as well. The issue is that you want to delay running the controller until the promise resolves. While the router does this for you, using the controller directly means that you have to build that logic.
angular.module('myApp')
.controller('MyController', ['$scope', 'Service', function ($scope, Service) {
$scope.data = {}; // default values for data
Service.getData().then(function(data){
// data is now resolved... do stuff with it
$scope.data = data;
});
}]
);
Now this works great when using the controller directly, but in your routing example, where you want to delay rendering a page until data is resolved, you are going to end up making two calls to Service.getData(). There are a few ways to work around this issue, like having Service.getData() return the same promise for all caller, or something like this might work to avoid the second call entirely:
angular.module('myApp')
.controller('MyController', ['$scope', '$q', 'Service', function ($scope, $q, Service) {
var dataPromise,
// data might be provided from router as an optional, forth param
maybeData = arguments[3]; // have not tried this before
$scope.data = {}; //default values
// if maybeData is available, convert it to a promise, if not,
// get a promise for fetching the data
dataPromise = !!maybeData?$q.when(maybeData):Service.getData();
dataPromise.then(function(data){
// data is now resolved... do stuff with it
$scope.data = data;
});
}]
);

I was trying to solve the problem using ng-init but came across the following warnings on angularjs.org
The only appropriate use of ngInit is for aliasing special properties
of ngRepeat, as seen in the demo below. Besides this case, you should
use controllers rather than ngInit to initialize values on a scope.
So I started searching for something like ng-resolve and came across the following thread:
https://github.com/angular/angular.js/issues/2092
The above link consists of a demo fiddle that have ng-resolve like functionality. I think ng-resolve can become a feature in the future versions of angular 1.x. For now we can work around with the directive mentioned in the above link.

'data' from route resolve will not be available for injection to a controller activated other than route provider. it will be available only to the view configured in the route provider.
if you want the data to the controller activated directly other than routeprovider activation, you need to put a hack for it.
see if this link helps for it:
http://www.johnpapa.net/route-resolve-and-controller-activate-in-angularjs/

Getting data in "resolve" attribute is the functionality of route (routeProvider) , not the functionality of controller.
Key( is your case : 'data') in resolve attribute is injected as service.
That's why we are able fetch data from that service.
But to use same controller in different place , you have fetch data in controller.

Try this
Service:
(function() {
var myService = function($http) {
var getData = function() {
//return your result
};
return {
getData:getData
};
};
var myApp = angular.module("myApp");
myApp.factory("myService", myService);
}());
Controller:
(function () {
var myApp = angular.module("myApp");
myApp.controller('MyController', [
'$scope', 'myService', function($scope, myService) {
$scope.data = myService.getData();
}
]);
//Routing
.when('/someUrl', {
templateUrl : 'some.html',
controller : 'MyController',
resolve : {
data: $scope.data,
}
})
}());

create basic object with $resource

I have been all over the tutorial sites and couldn't get this working
I'm trying to make an angular app that works over the REST with my server(I downloaded this and managed to get it working but I started a new one from scratch to understand everything better). making the REST server was the easy part since I'm a php guy, but I'm not so familiar with angular part.
I made a simple directory with yeoman and put my REST server next to it in another folder, so I have :
root
------app with all angular code here
------engine which is a yii2 framework
in app/script/app.js I have:
'use strict'; // BTW what is this line doing?
var app = angular
.module('gardeshApp', [
'ngCookies',
'ngResource',
'ngSanitize',
'ngRoute'
])
.config(function ($routeProvider) {
$routeProvider
.when('/', {
templateUrl: 'views/main.html',
controller: 'MainCtrl'
})
.when('/post/index' , {
templateUrl: 'views/post/index.html',
controller : 'PostList'
})
.otherwise({
redirectTo: '/'
});
});
I wanted make some kind of Model object to put received data in, so I created a Post model like :
app.factory('Post' , ['$resource'] , function($resource){
var Post = $resource('http://localhost/testApp/engine/web/post/:id' , {id : '#id'} , {update: {method: 'PUT'}});
angular.extend(Post.prototype , {
save: function (values) {
if (values) {
angular.extend(this, values);
}
if (this.id) {
return this.$update();
}
return this.$save();
}
});
});
and a controller to fetch the data:
app
.controller('PostList', ['$scope', '$http' , '$resource',
function($scope, $http) {
// $http.get('http://localhost/testApp/engine/web/post').success(function(data){
// console.log(data); // this works fine and gets the json ed data
// });
var posts = new Post();
console.log(posts.query());
}]);
I don't want to call $http.get myself, I want to make it dynamic but the Error says Post is not defined.
how can I make a proper Post Object to represent the model I'm fetching?

You may do something like this:
app.factory('Post' , ['$resource'] , function($resource){
var Post = $resource('http://localhost/testApp/engine/web/post/:id',
{
update: {method: 'PUT'}
}
);
return Post;
});
And,
app.controller('PostList', ['$scope', '$http' , 'Post',
function($scope, $http, Post) {
console.log(Post.query());
}]);
You need to return your built object in a factory in order to make it dependency-injectable later. Then in your controller, you need to declare that your want Post, and Angular will inject it for you.