Brought to you by the BRANDiD team

• Seamless Parse integration with AngularJS, using promises ($q)
• Never worry about $scope digests again
• Additional (and optional) module to enhance Parse Objects and Collections

I. Grab the latest version of the patch here or install it using Bower

bower install parse-angular-patch

II. Include the module in your project

angular.module('myApp', ['ngAnimate', 'parse-angular'])

III. That's it. How hard was that?! You can now do ANYWHERE in your angular app things such as :

// Queries
var query = new Parse.Query("Monsters");
query.equalTo("name", "Frankeistein");
query.first()
.then(function(result){
        $scope.monsters = result;
});
// Cloud Code is patched too!
Parse.Cloud.run("myCloudCodeFunction", function(results) {
    $scope.data = results;
});

And your scope will always be updated. Any asynchronous Parse method is patched and wrapped inside Angular kingdom (Parse.FacebookUtils methods, Parse.User methods, etc etc)

This patch also extends the Parse SDK to add the following features :

• Automatic getters & setters generation from a simple attrs array
• loadMore() method on Collections for an easy pagination
• Adds a static getClass() method on Objects and Collections to fetch them easily anywhere in your apps

Simply add the 'parse-angular.enhance' module after the 'parse-angular' one in your app dependencies

angular.module('myApp', ['ngAnimate', 'parse-angular', 'parse-angular.enhance'])

Nothing simpler, just attach an array of attributes to your Object definition, and the enhancer will generate according getters/setters. Please note that the first letter of your attribute will be transformed to uppercase.

Parse.Object.extend({
  className: "Monster",
  attrs: ['kind', 'name', 'place_of_birth']
});


var myMonster = new Parse.Object("Monster");
// You can do :
myMonster.getKind();
myMonster.getName();
myMonster.setPlace_of_birth('London');

Please note that if you already set a getter or setter on the Object, it won't be overrided. It is just a double-check protection, otherwise just don't add the attribute to your attrs array.

your collection needs to have a query attached to it

var collection = Parse.Collection.extend({
    model: Parse.User
});

var myUsers = new collection();
myUsers.query = new Parse.Query(Parse.User);
myUsers.query.limit(50);
// Let's load the 50 first users in our collection
myUsers.fetch()
.then(function(){
   // myUsers.length == 50
   // Cool, let's load 50 more
    myUsers.loadMore()
    .then(function(newData){
        // newData contains here the 50 next models (newly fetched ones)
        // but they've also been added to the collection ()myUsers.length == 100)
        // myUsers.query's skip is now 100
    });
});

NB: loadMore() uses the exact same query defined on your collection. That means it will use the current skip set as a starting point, and will auto-increment it.

Prevent loadMore() from adding the new models to the collection

myUsers.loadMore({add: false})
.then(function(newModels){
  // Here myUsers is the same
  // we're just catching the newModels here
});

A hasMoreToLoad attribute will be set to false on the collection object itself if the number of new models is < to the limit. Can be useful to show/hide paginator buttons. It will be undefined (not set) otherwise

myUsers.query.skip(10000000);
myUsers.loadMore()
.then(function(){
    /// That's a huge skip! Obv we don't have any models anymore.
    /// myUsers.hasMoreToLoad === false
});

With this extra module, you get a static getClass method on Parse.Object and Parse.Collection that allows you to retrieve a previously defined class. Let's see some example that will make it clearer

// Define an object with static methods
Parse.Object.extend({
    className: "Monster",
    getName: function() {
        return this.get('name');
    }
}, 
// Static methods
{
    loadAll: function() {
        var query = new Parse.Query("Monster");
        query.limit(1000);
        return query.find();
    }
}
});

The problem here is that if you want to call loadAll() on the Class definition, you need a reference to it. To make it easier, the getClass static method allow you to grab it anywhere in your code.

Parse.Object.getClass("Monster").loadAll()
.then(function(monsters){
 // my array of monsters is here
});

var newMonster = new Parse.Object("Monster");
var otherMonster = new (Parse.Object.getClass("Monster"));

// ^ both are equivalent, first syntax is preferred cuz shorter

You can use the same thing on collection.

NB : if you want to use getClass on your collections, you need to assign them a 'className' (just like with Objects) when defining them.

Parse.Collection.extend({
    model: Monster,
    className: "Monster",
    getMonsterNames: function() {
        return this.map(function(monster){
            return monster.getName();
        });
    }
});


/// Anywhere else in your app

var collection = new (Parse.Collection.getClass("Monster"))

Wait no more and check our parse-angular-demo project

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