allegro-image-downloader

// ==UserScript==
// @name         Allegro images downloader/Pobieranie zdjęć Allegro
// @require      https://code.jquery.com/jquery-3.6.1.min.js
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Script add button for simple images download from Allegro auction/Skrypt dodaje przycisk na stronę aukcji Allegro który pobiera zdjęcia produktu
// @run-at       document-start
// @author       https://github.com/b3valsek
// @match        https://allegro.pl/oferta*
// @match        http://allegro.pl/oferta*
// @grant        GM_addStyle
// @grant        GM_download
// ==/UserScript==
$(document).ready(function () {
    //create button to trigger script
    $('body').append('<input type="button" value="Download images" id="download-images-button">')
    $("#download-images-button").css("position", "fixed").css("top", 0).css("left", 100).css("z-index", 999999999);
    $('#download-images-button').click(function () {

        function loadImages() {
            // Get all elements with the "_e5e62_d3wWH" class
            let elements = document.getElementsByClassName("_e5e62_d3wWH");

            // Loop through the elements and simulate clicking on each one
            for (let i = 0; i < elements.length; i++) {
                elements[i].click();
            }
        }
        //just sleep function
        function sleep(ms) {
            return new Promise(resolve => setTimeout(resolve, ms));
        }

//I tried to achive downloading into directory named by product name
        function getProductName() {
            //get current URL
            var url = window.location.href;
            return getUrlAfterLastSlash(url);
        }

        function getUrlAfterLastSlash(url) {
            // Use the JavaScript string method `split()` to split the URL into an array
            // of substrings at each slash character
            const urlParts = url.split('/');

            // Return the last element of the array (which will be the part of the URL
            // after the last slash)
            return urlParts[urlParts.length - 1];
        }


        async function downloadImages(dir) {
            // Get all elements with the class "_e5e62_koq45"
            const elements = document.querySelectorAll('._e5e62_koq45');

            // var for filename
            var i = 0;

            // Loop through the elements and download each image
            for (const element of elements) {
                // Check if the element is an image
                if (element.tagName === 'IMG') {
                    await sleep(500);
                    // create variable with URL and filename
                    var arg = { url: element.src, name: i.toString() };
                    console.log(arg);
                    i++;
                    // download the image
                    GM_download(arg);
                }
            }
        }
        loadImages();
        downloadImages(getProductName());
    })
});