// ==UserScript==
// @name         Blacklist locations on OLX
// @namespace    olxisshit
// @version      1.1
// @description  Hide offers from certain locations on OLX
// @author       copychef
// @match        https://www.olx.pl/nieruchomosci/mieszkania/*
// @grant        none
// @require      https://gist.github.com/raw/2625891/waitForKeyElements.js
// ==/UserScript==

var blacklistedDistricts = ["Białołęka", "Bielany", "Targówek", "Praga-Południe", "Praga-Północ", "Wilanów", "Ursus", "Bemowo"];

function filterOffer(offer) {
    var localization = $(".bottom-cell span", offer).text();

    var isBlacklisted = blacklistedDistricts.some(function(district) {
        return localization.indexOf(district) >= 0;
    });

    if (isBlacklisted) {
        offer.hide();
    }
}

(function() {
    'use strict';
    waitForKeyElements("#offers_table > tbody > tr.wrap", filterOffer);
    waitForKeyElements(".fixed.offers > tbody > tr.wrap", filterOffer);
})();