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angular-drupal

An Angular JS module for Drupal 7 Services.

Intro

This Angular module makes it easy to read/write entity data to/from Drupal, handles user authentication and registration, and makes it easy to retrieve JSON data from Views.

Here's a very simple Angular app that loads node # 123 from Drupal and then displays the node's title (via an alert):

// My simple app.
angular.module('myApp', ['angular-drupal']).run(['drupal', function(drupal) {

  drupal.node_load(123).then(function(node) {
    alert(node.title);
  });

}]);

// The angular-drupal configuration settings for my simple app.
angular.module('angular-drupal').config(function($provide) {

  $provide.value('drupalSettings', {
    sitePath: 'http://my-drupal-site.com',
    endpoint: 'api'
  });

});

Installation and Setup

There are two main parts to the installation and usage of this module. First, on your Drupal site you need to install the Angular Drupal module, then install and configure Services module, and then include the angular-drupal module in your Angular JS application.

0. Angular Drupal Module

https://www.drupal.org/project/angular_drupal

drush dl angular_drupal
drush en -y angular_drupal

1. Drupal Services Module Setup

https://www.drupal.org/project/services

drush dl services
drush en -y rest_server

Then create a new endpoint by going to admin/structure/services/add with the following info:

machine name: api
server: REST
path: api
debug: unchecked
session authentication: checked

Then click the edit resources link and check the box next to each resource that should be available to your app:

comment
file
node
system
taxonomy_term
taxonomy_vocabulary
user

Then click Save. After that, click the Server tab and make sure the following boxes are checked:

json
application/json
application/x-www-form-urlencoded

Then click Save. After that flush all of Drupal's caches.

drush cc all

2. Angular JS Setup

As usual, be sure to include the angular-drupal.js file in your app. This typically is included via the index.html file somewhere after you include the angular.js file:

<script src="angular-drupal.js"></script>

The angular-drupal module comes with a Service called drupal. You can include this service throughout your app using Angular's dependency injection mechanism.

The simple app, listed above, injects the drupal service into the app's run function. Then when the app runs it loads node # 123 from Drupal and then alerts the node's title.

Notice how we used a config function on the angular-drupal module in the simple app to provide the URL to our Drupal site, as well as the machine name of the Services endpoint. Without this, the module won't know how to connect to our Drupal site, so this must be added to our app as in the example above.

Usage

AUTHENTICATION

CONNECT

drupal.connect().then(function(data) {
  if (data.user.uid) { alert('Hello ' + data.user.name + '!'); }
  else { alert('Please login.');  }
});

USER REGISTRATION

var account = {
  name: 'bob',
  mail: '[email protected]',
  pass: 'secret'
};
drupal.user_register(account).then(function(data) {
    alert('Registered user # ' + data.uid);
});

USER LOGIN

drupal.user_login('bob', 'secret').then(function(data) {
  if (data.user.uid) {
    alert('Hello ' + data.user.name + '!');
  }
});

USER LOGOUT

drupal.user_logout().then(function(data) {
  if (!data.user.uid) {
    alert('Logged out!');
  }
});

NODES

CREATE

var node = {
  type: 'article',
  title: 'Hello world',
  language: 'und',
  body: { und: [ { value: 'How are you?' }] }
};
drupal.node_save(node).then(function(data) {
    alert('Created node: ' + data.nid);
});

RETRIEVE

drupal.node_load(123).then(function(node) {
    alert('Loaded node: ' + node.title);
});

UPDATE

var node = {
  nid: 123,
  title: 'Goodbye world',
  language: 'und',
  body: {
    und: [ { value: 'I am fine, thank you.' }]
  }
};
drupal.node_save(node).then(function(data) {
    alert('Updated node: ' + data.nid);
});

DELETE

drupal.node_delete(123).then(function(data) {
    if (data[0]) {
      alert('Deleted node.');
    }
});

INDEX

var query = {
  parameters: {
    'type': 'article'
  }
};
drupal.node_index(query).then(function(nodes) {
    var msg = '';
    for (var i = 0; i < nodes.length; i++) {
      var node = nodes[i];
      msg += 'Loaded node: ' + node.title + '\n';
    }
    alert(msg);
});

USERS

CREATE

To create a new user account, the user must have the Administer users permission enabled in Drupal.

var account = {
  name: 'jane',
  mail: '[email protected]',
  pass: 'secret-sauce'
};
drupal.user_save(account).then(function(data) {
  alert('Created new user #' + data.uid);
});

RETRIEVE

drupal.user_load(1).then(function(account) {
    alert('Loaded user: ' + account.name);
});

UPDATE

To update an existing user account, the user must have the Change own username or Administer users permission enabled in Drupal.

var account = {
  uid: 123,
  name: 'john'
};
drupal.user_save(account).then(function(data) {
  alert('Name changed to: ' + data.name);
});

DELETE

The user must have the Administer users permission to delete a user account.

drupal.user_delete(123).then(function(data) {
    if (data[0]) {
      alert('Deleted user.');
    }
});

INDEX

var query = {
  parameters: {
    'name': 'bob'
  }
};
drupal.user_index(query).then(function(users) {
    var msg = '';
    for (var i = 0; i < users.length; i++) {
      var user = users[i];
      msg += 'Loaded user: ' + user.name + '\n';
    }
    alert(msg);
});

COMMENTS

CREATE

var comment = {
  nid: 123,
  subject: 'Hello world',
  comment_body: { und: [ { value: 'How are you?' } ] }
};
drupal.comment_save(comment).then(function(data) {
    alert('Created comment: ' + data.cid);
});

RETRIEVE

drupal.comment_load(123).then(function(comment) {        
    alert('Loaded comment: ' + comment.subject);  
});

UPDATE

var comment = {
  cid: 456,
  subject: 'Goodbye world',
  comment_body: { und: [ { value: 'I am fine, thank you.' }] }
};
drupal.comment_save(comment).then(function(data) {
    alert('Updated comment: ' + data.cid);
});

DELETE

drupal.comment_delete(123).then(function(data) {
    if (data[0]) {
      alert('Deleted comment.');
    }
});

INDEX

var query = {
  parameters: {
    'nid': 123
  }
};
drupal.comment_index(query).then(function(comments) {
    var msg = '';
    for (var i = 0; i < comments.length; i++) {
      var comment = comments[i];
      msg += 'Loaded comment: ' + comment.subject + '\n';
    }
    alert(msg);
});

FILES

CREATE

var base_64_encoded_image = 'abc...xyz';
var file = {
  file: base_64_encoded_image,
  filename: 'my_image.jpg',
  filepath: 'public://my_image.jpg'
};
drupal.file_save(file).then(function(data) {
    alert('Saved file # ' + data.fid);
});

RETRIEVE

To load a file the user must have the Get any binary files permission in Drupal.

drupal.file_load(123).then(function(file) {
    alert('Loaded file: ' + file.filename);
});

TAXONOMY TERMS

CREATE

// @see https://api.drupal.org/api/drupal/includes!common.inc/constant/SAVED_NEW/7
var taxonomy_term = {
  vid: 1,
  name: 'Hello world'
};
drupal.taxonomy_term_save(taxonomy_term).then(function(data) {
    if (data[0] == 1) { // SAVED_NEW
      alert('Created taxonomy term.');
    }
});

RETRIEVE

drupal.taxonomy_term_load(123).then(function(term) {
    alert('Loaded term: ' + term.name);
});

UPDATE

// @see https://api.drupal.org/api/drupal/includes!common.inc/constant/SAVED_UPDATED/7
var taxonomy_term = {
  vid: 1,
  tid: 123,
  name: 'Goodbye world'
};
drupal.taxonomy_term_save(taxonomy_term).then(function(data) {
    if (data[0] == 2) { // SAVED_UPDATED
      alert('Updated taxonomy term.');
    }
});

DELETE

// @see https://api.drupal.org/api/drupal/includes!common.inc/constant/SAVED_DELETED/7
drupal.taxonomy_term_delete(123).then(function(data) {
    if (data[0] == 3) { // SAVED_DELETED
      alert('Deleted taxonomy term.');
    }
});

INDEX

var query = {
  parameters: {
    'vid': 1
  }
};
drupal.taxonomy_term_index(query).then(function(taxonomy_terms) {
    var msg = '';
    for (var i = 0; i < taxonomy_terms.length; i++) {
      var taxonomy_term = taxonomy_terms[i];
      msg += 'Loaded taxonomy term: ' + taxonomy_term.name + '\n';
    }
    alert(msg);
});

TAXONOMY VOCABULARIES

CREATE

// @see https://api.drupal.org/api/drupal/includes!common.inc/constant/SAVED_NEW/7
var taxonomy_vocabulary = {
  name: 'Fruits',
  machine_name: 'fruits',
  description: 'Fruit is delicious.'
};
drupal.taxonomy_vocabulary_save(taxonomy_vocabulary).then(function(data) {
    if (data[0] == 1) { // SAVED_NEW
      alert('Created taxonomy vocabulary.');
    }
});

RETRIEVE

drupal.taxonomy_vocabulary_load(1).then(function(vocabulary) {
    alert('Loaded vocabulary: ' + vocabulary.name); 
});

UPDATE

// @see https://api.drupal.org/api/drupal/includes!common.inc/constant/SAVED_UPDATED/7
var taxonomy_vocabulary = {
  vid: 2,
  name: 'Colorful Fruits',
  machine_name: 'fruits',
  description: 'Colorful fruit is even more delicious.'
};
drupal.taxonomy_vocabulary_save(taxonomy_vocabulary).then(function(data) {
    if (data[0] == 2) { // SAVED_UPDATED
      alert('Updated taxonomy vocabulary.');
    }
});

DELETE

// @see https://api.drupal.org/api/drupal/includes!common.inc/constant/SAVED_DELETED/7
drupal.taxonomy_vocabulary_delete(123).then(function(data) {
    if (data[0] == 3) { // SAVED_DELETED
      alert('Deleted taxonomy vocabulary.');
    }
});

INDEX

var query = {
  parameters: {
    'name': 'tags'
  }
};
drupal.taxonomy_vocabulary_index(query).then(function(taxonomy_vocabularys) {
    var msg = '';
    for (var i = 0; i < taxonomy_vocabularys.length; i++) {
      var taxonomy_vocabulary = taxonomy_vocabularys[i];
      msg += 'Loaded taxonomy vocabulary: ' + taxonomy_vocabulary.name + '\n';
    }
    alert(msg);
});

Views

If you install the Views JSON module, which is available as a sub module of the Views Datasource module (https://www.drupal.org/project/views_datasource), you can easily set up a View page display to return JSON to your app:

var path = 'articles'; // The Drupal path to the Views JSON page display.
drupal.views_json(path).then(function(rows) {
  angular.forEach(rows, function(row, i) {
    console.log(row.title);
  });
});

For more information on creating Views JSON page displays, read this:

http://drupalgap.org/node/220

X-CSRF-Token

The angular-drupal module automatically takes care of the X-CSRF-Token when it is needed. If you need to manually get the token it can easily be retrieved:

drupal.token().then(function(token) {
  console.log('Got the token: ' + token);
});

DISCLAIMER

I, Tyler Frankenstein, admit I am n00b when it comes to AngularJS. Writing this module was my gateway into learning AngularJS. This module has unit test coverage to maintain quality. I welcome comments, criticisms and pull requests.

Thank you!