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FAHASA

For FAHASA coupons

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         FAHASA
// @version      1.3.2
// @description  For FAHASA coupons
// @author       duongoku
// @match        https://www.fahasa.com/ma-giam-gia*
// @namespace https://greasyfork.org/users/832690
// ==/UserScript==

function apply_coupon(coupon) {
    let url = "https://www.fahasa.com/onestepcheckout/index/couponCode";

    let xhr = new XMLHttpRequest();
    xhr.open("POST", url, false);

    let data = `{"sessionId":"${SESSION_ID}","couponCode":"${coupon}","apply":"1"}`

    xhr.send(data);

    let message = `Message: ${JSON.parse(xhr.responseText).message}`;
    let noti = document.createElement('p');
    let text = document.createTextNode(message);
    noti.appendChild(text);
    document.getElementsByClassName('fhs-header_desktop')[0].appendChild(noti);
    console.log(message);
}

function create_checkout_button() {
    let btn = document.createElement('button');
    btn.innerHTML = 'CHECKOUT';
    btn.onclick = checkout;
    document.getElementsByClassName('fhs-header_desktop')[0].appendChild(btn);
}

function checkout() {
    create_checkout_button();
    window.open('https://www.fahasa.com/onestepcheckout/index#fhs_checkout_coupon', '_blank');
}

async function fetch_coupons(ids) {
    let url = '/node_api/fhsrule/event_couponsshow';
    let coupons = [];
    let count = 0;

    ids.forEach((id) => {
        $jq.ajax({
            url: url,
            data: { 'id': id, 'limit': 99 },
            method: 'POST',
            success: function (data) {
                if (data.result) {
                    for (let i = 0; i < data.periods.length; i++) {
                        if (data.periods[i].coupon_code) {
                            if (!data.periods[i].coupon_code.includes('?')) {
                                coupons.push(data.periods[i].coupon_code);
                            }
                        }
                    }
                }
                count += 1;
            }
        });
    });

    while (count < ids.length) {
        await new Promise(r => setTimeout(r, 50));
    }

    return coupons;
}

async function wait4coupons() {
    // Yes, these are hard-coded coupons ids
    let ids = [676, 677, 659, 673, 674, 657];
    let coupons = await fetch_coupons(ids);

    while (coupons.length < 1) {
        await new Promise(r => setTimeout(r, 500));
        coupons = await fetch_coupons(ids);
    }

    coupons.forEach((coupon) => {
        apply_coupon(coupon);
    });

    checkout();
}

window.onload = wait4coupons;