https://www.dream-factory.sk/ GTM example

gtm.js

// DREAM-FACTORY.sk

// thx page URL
// https://www.dream-factory.sk/nakupny-kosik/&objednane
// THX page data

// Ecomm_totalvalue
// Na stránke detailu produktu prepisovať cenu produktu
// Na stránke košíku (v celom nákupnom procese) a na stránke dokončenej objednávky je potrebné
// prepisovať celkovú hodnotu produktov v košíku.
// Zapísať do DATA LAYER


// Pagetype
// Homepage = home
// Kategória = category
// Produkt = product
// Košík = cart
// Thank You Page (dokončená objednávka) = purchase
// Všetky ostatné stránky = other

//Check if dataLayer exists or build dataLayer
dataLayer = (typeof dataLayer !== 'undefined') ? dataLayer : [];

var pageType = null;

// return segment1/segment2/segment3/segment4
segment_str = window.location.pathname;
var segment_array = segment_str.split('/');
var segment1 = segment_array[1] ? segment_array[1] : null;
var segment2 = segment_array[2] ? segment_array[2] : null;
var segment3 = segment_array[3] ? segment_array[3] : null;
var segment4 = segment_array[4] ? segment_array[4] : null;


if (segment1 === null) {
    pageType = "home";
}
else if (segment1 === "uvod") {
    pageType = "home";
}
else if (segment1 === "kategoria") {
    // check if its product detail
    idToControll = document.getElementById("variant_price");
    if (document.body.contains(idToControll)) {
        pageType = "product";
    }
    else {
        pageType = "category";
    }
}
else if (segment1 === "nakupny-kosik") {
    if (segment1 === "nakupny-kosik" && segment2 === "&objednane") {
        pageType = "purchase";
    } else {
        pageType = "cart";
    }
}
else {
    pageType = "other";
}

dataLayer.push({
    "pageType": pageType,
});


// PUSH example
// gtm_products.push({
//     'name': 'Test Product',         // Productname/title (Short description) - Required - for example. Brown T-shirt
//     'sku': 'SKU0001',           // Unique product code/SKU - Vereist -  for example AI1317001 | CC AJORDSTR (Artikle code + additional style coding)
//     'category': 'Test categorie',       // Product category
//     'price': 9.99,              // Product price (for one product) including VAT - As decimal seperator a . (dot) should be used - Required
//     'quantity': 1               // Number of items for this specific product - Required
// });



/*
Data co som nasiel na THX page
    type = "text/javascript" >
    var google_conversion_id = 1048900986;
    var google_conversion_language = "en";
    var google_conversion_format = "2";
    var google_conversion_color = "ffffff";
    var google_conversion_label = "ILVmCPz19QMQ-uqT9AM";
    var google_conversion_value = 1.00;
    var google_conversion_currency = "EUR";
    var google_remarketing_only = false;

    try {
        var pageTracker = _gat._getTracker("UA-26922156-1");
        pageTracker._initData();
        pageTracker._trackPageview();

        pageTracker._addTrans(
            "54539",
            "dream-factory.sk",
            "5.5",
            "0.92",
            "0",
            "TST IGNORE GTM TEST",
            "TST IGNORE GTM TEST",
            "TST IGNORE GTM TEST"
        );


        pageTracker._addItem(
            "54539",
            "04000708D",
            "VOLLARE - Sérum na rast rias a obočia  9ml",
            "SÉRA NA RAST MIHALNÍC",
            "5.5",
            "1"
        );

        pageTracker._trackTrans();

        */