How to delete objects in parse.com after a set amount of time

Question

Basically I want to know how I can delete an object on the server after some amount of time The main idea is to know how to delete an object after some designated time form the server automatically so objects would not persist for a long amount of time.

Thanks.

Answer 1

You must create a "job", it's a task you can schedule from your parse.com account.

Here is an example code, it's delete all posts have more 70 days.

Parse.Cloud.job('deleteOldPosts', function(request, status) {

    // All access
    Parse.Cloud.useMasterKey();

    var today = new Date();
    var days = 70;
    var time = (days * 24 * 3600 * 1000);
    var expirationDate = new Date(today.getTime() - (time));

    var query = new Parse.Query('post');
        // All posts have more than 70 days
        query.lessThan('createdAt', expirationDate);

        query.find().then(function (posts) {
            Parse.Object.destroyAll(posts, {
                success: function() {
                    status.success('All posts are removed.');
                },
                error: function(error) {
                    status.error('Error, posts are not removed.');
                }
            });
        }, function (error) {});

});

You must write this code in your main.js file, follow this steps: https://parse.com/docs/cloud_code_guide#started

After your main.js file are upload on parse, you can schedule your job.

It's simple, select your job name in a list and you can plan when the jobs is launch, every hours, every days..