DELETE Restful method with angularjs $resource - angularjs

I'm attemping to call a RESTful method via $resource as following:
Resource:
angular.module('secure',['ngResource']).factory('Vehicle', function ($resource) {
return $resource('/secure/vehicle/index', { id: '#id' }, {
query: {
method: 'GET',
isArray: true
},
delete: {
method: 'DELETE',
isArray: false,
url: '/secure/vehicle/delete/:id'
}
});
});
Then, from other service I inject the above factory and I call DELETE method in this way:
factory.delete = function (procedureId) {
var vehicle = new Vehicle();
vehicle.$delete({id: procedureId}, function () {
//success
deferred.resolve();
}, function (errResponse) {
// fail
console.log(errResponse);
});
return deferred.promise;
};
(Don't pay attention to deferred things, it doesn't work with or without it)
Unfortunately, I always get the same answer:
Remote Address:127.0.0.1:8080
Request URL:http://localhost:8080/secure/vehicle/delete/21
Request Method:DELETE
Status Code:422 Unprocessable Entity
The call itself is set up properly (secure/vehicle/delete/21). In fact, if I do the same, but instead of using $resource variable, using $http, everything works!
$http({
'method': 'DELETE',
'url': '/secure/vehicle/delete/' + procedureId,
'headers': {
'Content-Type': 'application/json'
},
'data': ""
})
.success(function () {
// success
})
.error(function (data, status) {
console.log(data.errors);
});
So, I guess something is missing in $resource-way, but what? Any help, it will be appreciated!
EDIT:
It seems it's a backend problem when it reads the entire url call. If I call DELETE resource, using $http, adding the data: "" as I show above, the backend initializes itself properly.
But if I try the $resource-way, the required params are pre-configured and that doesn't like to the backend, so I need to find the way to say to $resource how to add something like data: "", any ideas?

Test proof that it works:
angular.module('secure', ['ngResource']).factory('Vehicle', function($resource) {
return $resource('/secure/vehicle/index', {
id: '#id'
}, {
query: {
method: 'GET',
isArray: true
},
delete: {
method: 'DELETE',
isArray: false,
url: '/secure/vehicle/delete/:id'
}
});
});
angular.module('secure').factory('VehicleFactory', function(Vehicle, $q) {
var factory = {}
factory.delete = function(procedureId) {
var deferred = $q.defer();
var vehicle = new Vehicle();
vehicle.$delete({
id: procedureId
}, function(r) {
deferred.resolve(r);
}, function(errResponse) {
console.log(errResponse);
});
return deferred.promise;
};
return factory;
});
describe('VehicleFactory', function() {
var $httpBackend, VehicleFactory
beforeEach(module('secure'));
beforeEach(inject(function(_$httpBackend_, _VehicleFactory_) {
$httpBackend = _$httpBackend_
VehicleFactory = _VehicleFactory_
}))
it('deletes vehicle - vehicle.$delete()', function() {
var r = {
data: 'correct response'
}
$httpBackend.when('DELETE', '/secure/vehicle/delete/123').respond(r)
VehicleFactory.delete(123).then(function(response) {
expect(response.data).toBe(r.data)
})
$httpBackend.flush();
});
afterEach(function() {
$httpBackend.verifyNoOutstandingExpectation()
$httpBackend.verifyNoOutstandingRequest()
})
})
<link href="//safjanowski.github.io/jasmine-jsfiddle-pack/pack/jasmine.css" rel="stylesheet" />
<script src="//safjanowski.github.io/jasmine-jsfiddle-pack/pack/jasmine-2.0.3-concated.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular-resource.min.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular-mocks.js"></script>
Some much cleaner way to write delete functionality without $q:
angular.module('secure').factory('VehicleFactory', function(Vehicle) {
var factory = {}
factory.delete = function(procedureId) {
return (new Vehicle()).$delete({
id: procedureId
})
}
return factory;
});

Related

ngResource ($resource) is returning 404 for PUT

It's been a while since I've used $resource for managing my service calls.
For some reason, all my calls are working ok and reaching my REST end-points, basically /api/profile and /api/profile/:id.
But for some reason, my put returns as 404.
Anyone have an Idea of what may be going on.
Thanks and Cheers!
'use strict';
angular.module('chainLinkApp')
.config(['$stateProvider', function($stateProvider){
$stateProvider
.state('profile', {
url:'/profile/:id',
templateUrl:'views/profile.html',
controller:'ProfileController',
controllerAs:'profile'
});
}])
.controller('ProfileController',['$scope', '$http', 'profileFactory', function($scope, $http, profileFactory){
$scope.updateMode = false;
$scope.comments = profileFactory.getProfiles.go().$promise.then(function(response){
$scope.comments = response;
});
$scope.getProfile = function(commentId){
$scope.comment = profileFactory.getProfile.go({id:commentId}).$promise.then(function(response){
$scope.comment = response;
$scope.updateMode = true;
}, function(error){
return console.log('An error has occured', error);
});
};
$scope.addProfile = function(comment){
profileFactory.postProfile.go(comment).$promise.then(function(){
console.log('Your post was a success');
$scope.comment = {};
}, function(error){
console.log('There was an error: ', error);
});
};
$scope.updateProfile = function(comment){
profileFactory.updateProfile.go(comment._id, comment).$promise.then(function(response){
console.log('Your profile has been updated');
$scope.updateMode = false;
$scope.comment = {};
}, function(error){
console.log('There is an error: ', error);
});
};
}])
.factory('profileFactory', ['$resource', function($resource){
return{
getProfiles: $resource('/api/profile', {}, { go: { method:'GET', isArray: true }}),
getProfile: $resource('/api/profile/:id',{},{ go: { method: 'GET', params: { id: '#id' }}}),
postProfile: $resource('/api/profile', {}, { go: { method: 'POST' }}),
updateProfile: $resource('/api/profile/:id', {}, { go: { method: 'PUT', params: { id:'#id' }}})
};
}]);
The way of you are using $resource is strange, it should be like this:
.factory('UserService', function($resource) {
return $resource('/api/users/:id', {}, {
'create': { method: 'POST' },
'update': { method: 'PUT', params: { id: '#id'} }
});
})
Then you call the service like this: UserService.create(theUserobj, function(result) { ... })

Ajax in AngularJS Service

Created an Angular Service:
calculator_app.service('FillOpportunity', function () {
this.fill_opportunity = function (path,scope) {
$.ajax({
url: 'opportunitycalculator/calculator/GetProducts?idstring=' + path,
type: "GET",
cache: false,
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function (data)
{
scope.opportunity_data = data;
scope.$apply();
},
error: function () {
}
});
};
});
Called the service on ng-change of a dropdown:
FillOpportunity.fill_opportunity($scope.result_path,$scope);
The scope.opportunity_data is binded to the select in UI:
<select id="seloppurtunityproducts" name="selproducttype" multiple="" style="height:300px" ng-model="opportunity_products" ng-options="a for a in opportunity_data"></select>
On ng-Change, Ajax is called when I check in Network of Chrome, but the value is not updated in the select box.
Any inputs?
Don't use jQuery's ajax. Use the built in $http. Using $http automatically begins the digest cycle of angular's builtin compiler. If you must use jquery... then you'd have to call $scope.$apply(); every time there is a data change.
Service:
calculator_app.factory("calcService", ["$http", function($http) {
return {
getItem: function(url, items) {
return $http.get(url,
// query string like { userId: user.id } -> ?userId=value
{ params: items });
}
}
}]);
Inject the service into your controller and use:
calculator_app.controller("MainCtrl", ["calcService", "$scope", function(calcService, $scope) {
$scope.opportunity_data = [];
var payload = {
idstring: path
};
//call the service
calcService.getItem('path/to/calc/api', payload).then(function(response) {
$scope.opportunity_data = response.data;
}).catch(function(response) {
alert('error' + response.data);
});
}]);

How do I delete a post using this with angularJS and express?

I have this code in my post.serv.js and in my controller I want to execute the function delete.
"use strict";
app.factory('JnttPost', function ($resource) {
var PostResource = $resource('/api/post/:_id', {
_id: "#id"
}, {
update: {
method: 'PUT',
isArray: false
}
}, {
delete: {
method: 'DELETE',
isArray: false
}
});
return PostResource;
});
I already know how to get and update a post, for example in my createpost.serv.js
"use stric";
app.factory('JnttCreatePost', function ($http, $q, JnttPost) {
return {
createPost: function (newPostData) {
var newPost = new JnttPost(newPostData);
var dfd = $q.defer();
newPost.$save().then(function () {
dfd.resolve();
}, function (response) {
dfd.reject(response.data.reason);
});
return dfd.promise;
}
};
});
and in my newpost.ctrl.js
"use strict";
app.controller('CtrlNewPost',
function ($scope, $location, JnttIdentity, JnttNotifier, JnttCreatePost) {
var email = ...;
$scope.newPost = function () {
var newPostData = {...};
JnttCreatePost.createPost(newPostData).then(function () {
JnttNotifier.notify('success', 'The post has been created');
$location.path('/');
}, function (reason) {
JnttNotifier.notify('error', reason);
});
};
});
I can't realize how to perform the delete request, I can do with a $http
In my new controller for do deletePost() function I have this:
$scope.deletePost = function () {
var pwd = JnttIdentity.currentUser.hashed_pwd;
var postidd = {
password: pwd,
id: $scope.post._id
};
var config = {
method: "DELETE",
url: '/api/post/',
data: postidd,
headers: {
"Content-Type": "application/json;charset=utf-8"
}
};
$http(config);
$location.path('/');
};
This actually already do this stuff but I want to do this without the $http like the create request, How I can do this? How do I can edit this code below for do the request?
createPost: function (newPostData) {
var newPost = new JnttPost(newPostData);
var dfd = $q.defer();
newPost.$save().then(function () {
dfd.resolve();
}, function (response) {
dfd.reject(response.data.reason);
});
return dfd.promise;
}
In my routes.js in express I have this route:
app.delete('/api/post/', posts.deletePost);
You can either call delete on the $resource class you create (JnttPost) or call $delete on a post that's returned from the $resource class.
The $resource class already has get/save/query/remove/delete functions included so you don't need to add the delete (save is create/POST, so you need to include update with PUT).
Here's a sample of using your $resource class to call delete:
angular.module('test', ['ngResource'])
.factory('JnttPost', function ($resource) {
var PostResource = $resource('/api/post/:_id', {
_id: "#id"
}, {
update: {
method: 'PUT',
isArray: false
}
});
return PostResource;
})
.run(function(JnttPost){
JnttPost.delete({id: 123123123});
});

How can I make a service dependent on another service value

Ok, so I have this service that is dependent on another service value that the user can change in the app interface. Something like this:
app.service('Applications', ['$resource', 'URL',
function ($resource, URL) {
var applicationsResource = $resource(URL + '/applications/:id', { id: '#id' }, {
query: {
method: 'GET',
isArray: true,
transformResponse: function(body, header) {
var response = angular.fromJson(body);
return response.data.applications;
}
}
});
var applications = applicationsResource.query(function() {
applications.current = applications[0];
});
return applications;
}
]);
app.service('Users', ['$resource', 'URL', 'Applications',
function ($resource, URL, Applications) {
return $resource(URL + '/users/:id', { id: '#id' }, {
query: {
method: 'GET',
isArray: true,
headers: {
'User': Applications.current.username,
'Pass': Applications.current.password
},
transformResponse: function(body, header) {
var response = angular.fromJson(body);
return response.data.users;
}
}
});
}
]);
Example of working controller code:
app.controller('usersController', ['$scope', '$resource', 'URL', 'Applications',
function ($scope, $resource, URL, Applications) {
$scope.users = [];
$scope.reload = function() {
$scope.loading = true;
var usersResource = $resource(URL + '/users/:id', { id: '#id' }, {
query: {
method: 'GET',
isArray: true,
headers: {
'User': Applications.current.username,
'Pass': Applications.current.password
},
transformResponse: function(body, header) {
var response = angular.fromJson(body);
return response.data.users;
}
}
});
$scope.users = usersResource.query(function() {
$scope.loading = false;
});
/*
// after injecting Users, this is what I want to do, instead of what's above
$scope.users = Users.query(function() {
$scope.userTable.reload();
$scope.loading = false;
});
*/
};
$scope.$watch('Applications.current', function (newApplication, oldApplication, scope) {
if (newApplication && newApplication !== oldApplication) {
scope.reload();
}
});
}
]);
I want to replace that usersResource with my Users service, but that's where I'm stuck now.
The issue is that no matter what I do, the Applications.current on the Users service is always null. (I only make use of this service after making sure that Applications.current is not null on the controller)
If I move the resource directly to the controller, it works, but I want to move these away from the controllers.
Any tips on how to fix or improve this?
You should know that $resource is async and you call Users service before actually you got response from server and populated applications.current. This a reason why Applications.current is null into Users service.
In your case I would use Uses service into Applications:
app.service('Applications', ['$resource', 'URL', 'Users',
function ($resource, URL, Users) {
var applicationsResource = $resource(URL + '/applications/:id', { id: '#id' }, {
query: {
method: 'GET',
isArray: true,
transformResponse: function(body, header) {
var response = angular.fromJson(body);
return response.data.applications;
}
}
});
var applications = applicationsResource.query(function() {
applications.current = applications[0];
// call the Users
Users.query(applications.current) /**/
return /* ... */;
});
return applications;
}
]);

Creating a user session with AngularJS and DreamFactory

I'm trying to make a simple login function for my AngularJS application. I'm using Dream Factory for my backend server database and I can't seem to be able to create a session from my login-function.
This is the factory I have set up:
dfdevApp.factory('SessionService', function($resource, $q) {
var sessionResource = $resource('https://dsp-myusername.cloud.dreamfactory.com/rest/user/session', {},
{ update: { method: 'PUT' }, query: {method: 'GET', isArray: false} });
return {
create: function (user) {
var deferred = $q.defer();
sessionResource.save(user, function (result) {
deferred.resolve(result);
}, function (error) {
deferred.reject(error);
});
return deferred.promise;
}
}
});
And this is the code from my controller:
// $scope.ting = Liste.get()
$scope.user = {'email' : '', 'password': ''};
$scope.login = function() {
console.log(JSON.stringify($scope.user));
$scope.user = SessionService.create(JSON.stringify($scope.user), function(success) {
$rootScope.loggedIn = true;
$location.path('/');
}, function(error) {
$scope.loginError = true;
});
};
});
I get a 400 every time I try to post.
Your post should be like this one:
{"email":"you#youremail.com","password":"yourpassword"}
Also don't forget to include your app_name in the URL or as a header (in this case, call it X-DreamFactory-Application-Name).
You can find more info here:
http://blog.dreamfactory.com/blog/bid/326379/Getting-Started-with-the-DreamFactory-API
I also built an "SDK" which handles all this for you.
https://github.com/dreamfactorysoftware/javascript-sdk

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