main.js

Parse.Cloud.beforeSave("Order", function(request, response) {

	if (!request.object.get("creatorPayedForTargetCount")) {
		request.object.set("creatorPayedForTargetCount", 0);
	}

	var targetLikes = request.object.get("targetCount");
	var payedAmountOfLikes = request.object.get("creatorPayedForTargetCount");
	if (payedAmountOfLikes < targetLikes) {

		var creatorHash = request.object.get("creator");
		console.log("creator: " + creatorHash);
		console.log("creator type  " + typeof(creatorHash));
		var creatorId = creatorHash.get("objectId");
		console.log("0. creatorId " + creatorId);

		// var User = Parse.Object.extend("User");
		// var query = new Parse.Query(User);


		var query = new Parse.Query(Parse.User);
		query.equalTo("objectId", creatorId);
		query.get({
		  success: function(creator) {

			// need to subtract coins from user
			var creatorBalance = creator.get("coins");
			var likesToPay = targetLikes - payedAmountOfLikes;
			
			Parse.Config.get().then(function(config) {
				var likePrice = config.get("likePrice");
				console.log("1. creatorBalance " + creatorBalance);
				console.log("2. likesToPay " + likesToPay);
				console.log("3. likePrice " + likePrice);
				var newBalance = creatorBalance - (likesToPay * likePrice);
				console.log("user new newBalance " + newBalance);
				// console.log("before creator changed");
			 //  	console.log(creator);
				// creator.set("coins", newBalance);
				// console.log("after creator changed");
				// console.log(creator);
				

				creator.save({
				  coins: newBalance
				}, {
				  success: function(creator) {
				  	request.object.set("creatorPayedForTargetCount", targetLikes);			
					request.object.set("creator", creator);
					response.success();
				  },
				  error: function(creator, error) {
					response.error("could not save creator");
				  }
				});

			}, function(error) {
				response.error("unable to get fresh price for like");
			});
		  },
		  error: function() {
		  	var message = "unable to get creator" + creatorId
			response.error(message);
		  }
		});

	} else {
		response.success();
	}    
});