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35 lines (29 loc) · 1021 Bytes
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Promotion.js
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35 lines (29 loc) · 1021 Bytes
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Parse.Cloud.define("getPromotion", function(request, response) {
var user = request.user;
var Promotion = Parse.Object.extend("Promotion");
var segmentedQuery = new Parse.Query(Promotion);
segmentedQuery.containedIn("channels", user.get("channels"));
var unfilteredQuery = new Parse.Query(Promotion);
unfilteredQuery.doesNotExist("channels");
var promotionQuery = Parse.Query.or(unfilteredQuery, segmentedQuery);
promotionQuery.addAscending("createdAt");
promotionQuery.greaterThan("expiresAt", new Date());
promotionQuery.notEqualTo("viewedUsers", user);
promotionQuery.first({
success: function(promotion) {
if (promotion) {
promotion.relation("viewedUsers").add(user);
promotion.save();
var promotionJSON = {"url" : promotion.get("url")};
response.success(promotionJSON);
} else {
//no promotions found
response.success({});
}
},
error: function(error) {
console.error("Got an error " + error.code + " : " + error.message);
response.error();
}
});
});