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POHow to write an angularJs Controller to GET Rest Data from Parse.com
 

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  1. POHow to write an angularJs Controller to GET Rest Data from Parse.com
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    <p><strong>See solution below:</strong></p> <p>I'm trying to connect to a Parse.com Rest backend and display data from object values.</p> <p>HTML (I put several angular calls to be sure to catch output):</p> <pre><code>&lt;div ng-controller="MyController"&gt; &lt;p&gt;{{item}}&lt;p&gt; &lt;p&gt;{{items}}&lt;p&gt; &lt;p&gt;{{item.firstName}}&lt;p&gt; &lt;p&gt;{{data}}&lt;p&gt; &lt;/div&gt; </code></pre> <p>JAVASCRIPT rest:</p> <pre><code>function MyController($scope, $http) { $scope.items = []; $scope.getItems = function() { $http({method : 'GET',url : 'https://api.parse.com/1/classes/Professional/id', headers: { 'X-Parse-Application-Id':'XXXX', 'X-Parse-REST-API-Key':'YYYY'}}) .success(function(data, status) { $scope.items = data; }) .error(function(data, status) { alert("Error"); }); }; } </code></pre> <p>This won't work, it does strictly nothing, not even a message in the console. I know the rest call got the correct credential, as I'm able to get object content returned when I test it with a rest tester program. Maybe the URL should not be absolute ? Any clue is very welcome, i've spent DAYS on that.</p> <p><strong>SOLUTION:</strong></p> <p>Thanks to the help of people answering this thread, I was able to find the solution to this problem so I just wanted to contribute back:</p> <p>Get Json object data from Parse.com backend, pass it authentification parameters:</p> <pre><code>function MyController($scope, $http) { $scope.items = []; $scope.getItems = function() { $http({method : 'GET',url : 'https://api.parse.com/1/classes/Professional', headers: { 'X-Parse-Application-Id':'XXX', 'X-Parse-REST-API-Key':'YYY'}}) .success(function(data, status) { $scope.items = data; }) .error(function(data, status) { alert("Error"); }); }; </code></pre> <p>Notice that ' ' necessary arround header key object values. Those ' ' are not necessary around method and url keys.</p> <p>Template that list all 'firstName' of each object:</p> <pre><code>&lt;div ng-controller="MyController" ng-init="getItems()"&gt; &lt;ul&gt; &lt;li ng-repeat="item in items.results"&gt; {{item.firstName}} &lt;/li&gt; &lt;/ul&gt; &lt;/div&gt; </code></pre> <p>Notice: "item in items.results". "results" is necessary because the return value is a JSON object that contains a results field with a JSON array that lists the objects. This could save you some headache. Also notice "ng-init": if you don't put that, or any other form of call to the getItem(),then nothing will happen and you will be returned no error.</p> <p>That was my first try of Angularjs, and i'm already in love ^^.</p>
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    1. USBenj
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    1. COHave you tried anything? At least show us some of the code in your controller. Hint: you have to inject the "$http" service in your controller.
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      1. USNicolasMoise
    2. COYou should be able to use Parse Javascript SDK from your controller and update $scope.items with the data and you may want to look at this https://github.com/jimrhoskins/angular-parse
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      1. USPrasad
    3. COThanks for link, but I want to avoid using any third party SDK, and directly interpret Restful data.
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      1. USBenj
 

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