V2PH Album Downloader

Album Downloader for v2ph.com. After logging in and opening the album page, click the "Download all images" option in the script menu to start downloading.

За да инсталирате този скрипт, трябва да имате инсталирано разширение като Tampermonkey, Greasemonkey или Violentmonkey.

За да инсталирате този скрипт, трябва да имате инсталирано разширение като Tampermonkey или Violentmonkey.

За да инсталирате този скрипт, трябва да имате инсталирано разширение като Tampermonkey или Violentmonkey.

За да инсталирате този скрипт, трябва да имате инсталирано разширение като Tampermonkey или Userscripts.

За да инсталирате скрипта, трябва да инсталирате разширение като Tampermonkey.

За да инсталирате този скрипт, трябва да имате инсталиран скриптов мениджър.

(Вече имам скриптов мениджър, искам да го инсталирам!)

За да инсталирате този стил, трябва да инсталирате разширение като Stylus.

За да инсталирате този стил, трябва да инсталирате разширение като Stylus.

За да инсталирате този стил, трябва да инсталирате разширение като Stylus.

За да инсталирате този стил, трябва да имате инсталиран мениджър на потребителски стилове.

За да инсталирате този стил, трябва да имате инсталиран мениджър на потребителски стилове.

За да инсталирате този стил, трябва да имате инсталиран мениджър на потребителски стилове.

(Вече имам инсталиран мениджър на стиловете, искам да го инсталирам!)

// ==UserScript==
// @name        V2PH Album Downloader
// @namespace   https://greasyfork.org/zh-CN/users/220174-linepro
// @match       https://www.v2ph.com/album/*
// @grant       GM_download
// @grant       GM_xmlhttpRequest
// @grant       GM_registerMenuCommand
// @grant       GM_unregisterMenuCommand
// @grant       GM_addStyle
// @version     1.2
// @author      LinePro
// @license     MIT
// @description Album Downloader for v2ph.com. After logging in and opening the album page, click the "Download all images" option in the script menu to start downloading.
// @run-at document-idle
// @require https://update.greasyfork.org/scripts/473358/1237031/JSZip.js
// @require https://cdn.jsdelivr.net/npm/idb-keyval@6/dist/umd.js
// ==/UserScript==
(async () => {
    const jQuery = unsafeWindow.jQuery;
    GM_addStyle(`
        .spinner-border {
            display: inline-block;
            width: 1.25rem;
            height: 1.25rem;
            vertical-align: -.125em;
            border: .175em solid currentColor;
            border-right-color: transparent;
            border-radius: 50%;
            -webkit-animation: .75s linear infinite spinner-border;
            animation: .75s linear infinite spinner-border
        }
        
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0,0,0,0);
            white-space: nowrap;
            border: 0
        }

        .modal-loading {
            margin-left: 0.5rem;
        }
    `);
    class BootStrap4Model {
        constructor(title = 'Modal', text = '') {
            const wrap = (() => {
                const modal = document.createElement('div');
                modal.className = 'modal';
                modal.setAttribute('tabindex', '-1');
                modal.dataset.backdrop = 'static';
                modal.dataset.keyboard = 'false';
                const modalDialog = document.createElement('div')
                modalDialog.className = 'modal-dialog';
                const modalContent = document.createElement('div')
                modalContent.className = 'modal-content';
                const modalHeader = document.createElement('div');
                modalHeader.className = 'modal-header';
                const modalTitle = document.createElement('h5');
                this.modalTitle = modalTitle;
                modalTitle.className = 'modal-title';
                modalTitle.innerText = title;
                const modalLoading = document.createElement('div');
                this.modalLoading = modalLoading;
                modalLoading.className = 'modal-loading spinner-border';
                modalLoading.style.display = 'none';
                modalLoading.setAttribute('role', 'status');
                const modalLoadingSpan = document.createElement('span');
                modalLoadingSpan.className = 'sr-only';
                modalLoadingSpan.innerText = 'Loading...';
                modalLoading.appendChild(modalLoadingSpan);
                modalTitle.appendChild(modalLoading);
                modalHeader.appendChild(modalTitle);
                const modalBody = document.createElement('div');
                this.modalBody = modalBody;
                modalBody.className = 'modal-body';
                modalBody.innerText = text;
                const modalFooter = document.createElement('div');
                modalFooter.className = 'modal-footer';
                const closeBtn = document.createElement('button');
                this.closeBtn = closeBtn;
                closeBtn.className = 'btn btn-danger';
                closeBtn.setAttribute('data-dismiss', 'modal');
                closeBtn.innerText = 'Close';
                modalFooter.appendChild(closeBtn);
                modalContent.appendChild(modalHeader);
                modalContent.appendChild(modalBody);
                modalContent.appendChild(modalFooter);
                modalDialog.appendChild(modalContent);
                modal.appendChild(modalDialog);
                return modal;
            })();
            document.body.appendChild(wrap);
            this.wrap = wrap;
        }

        show() {
            jQuery(this.wrap).modal('show');
        }

        hide() {
            jQuery(this.wrap).modal('hide');
        }

        setTitle(title) {
            this.modalTitle.innerText = title;
        }

        setText(text) {
            this.modalBody.innerText = text;
        }

        setLoading(loading) {
            this.modalLoading.style.display = loading ? '' : 'none';
        }

        setCloseBtn(text, callback) {
            this.closeBtn.innerText = text;
            this.closeBtn.onclick = callback;
        }
    }

    const getPageFromUrl = (url) => {
        const search = new URL(url).searchParams;
        const page = search.get("page");
        if (page) {
            return parseInt(page);
        }
        return 1;
    }

    const fetch = (url) => {
        return new Promise((resolve, reject) => {
            GM_xmlhttpRequest({
                method: "GET",
                url: url,
                headers: {
                    Referer: location.href
                },
                responseType: 'blob',
                onload: response => resolve(response.response),
                onerror: error => reject(error)
            });
        });
    }

    const downloadingStatus = await idbKeyval.get("downloadingStatus");

    const downloadingAlbumId = downloadingStatus?.albumId;
    const downloadingPage = downloadingStatus?.page;

    const currentAlbumId = location.pathname.split("/").pop();

    const page = getPageFromUrl(location.href);

    const registerMenu = () => {
        const caption = 'Download all images';
        GM_registerMenuCommand(caption, async () => {
            GM_unregisterMenuCommand(caption);
            if (page !== 1) {
                await idbKeyval.set("downloadingStatus", {
                    albumId: currentAlbumId,
                    page: 1
                });
                location.search = '';
            } else {
                await startDownload();
            }
        });
    };

    const startDownload = async () => {
        let cancelled = false;
        const modal = new BootStrap4Model('Downloading');
        modal.show();
        modal.setCloseBtn('Cancel', async () => {
            cancelled = true;
            await idbKeyval.clear();
            registerMenu();
        });

        const values = [];
        let index = 1;
        const imgList = document.querySelectorAll("img.album-photo");
        for (const element of imgList) {
            const url = element.dataset.src;
            const fileName = url.split("/").pop();
            modal.setText(`Downloading ${page}-${index}-${fileName}...`);
            modal.setLoading(true);

            const blob = await fetch(url);
            values.push({
                name: `${page}-${index++}-${fileName}`,
                blob
            });
            await new Promise(resolve => setTimeout(resolve, 500));
            if (cancelled) {
                return;
            }
        }
        await idbKeyval.set(`page-${page}`, values);
        
        const lastPageUrl = document.querySelector(".page-item:last-of-type a")?.href;
        if (page === getPageFromUrl(lastPageUrl)) {
            const zip = new JSZip();
            const values = (await idbKeyval.values()).flat().slice(1);
            for (const { name, blob } of values) {
                zip.file(name, blob);
            }
            const zipBlob = await zip.generateAsync({ type: "blob" })
            const url = URL.createObjectURL(zipBlob);
            const title = document.querySelector(".h5.text-center.mb-3").textContent || 'album';
            GM_download(url, `${title}.zip`);
            await idbKeyval.clear();
            modal.setTitle('Downloaded Complete');
            modal.setText(`${values.length} images downloaded.`);
            modal.setLoading(false);
            modal.setCloseBtn('Close', () => modal.hide());
        } else {
            const nextPage = page + 1;
            await idbKeyval.set("downloadingStatus", {
                albumId: currentAlbumId,
                page: nextPage
            });
            location.search = `?page=${nextPage}`;
        }
    };

    if (downloadingAlbumId === currentAlbumId && downloadingPage === page) {
        await startDownload();
    } else {
        await idbKeyval.clear();
        registerMenu();
    }
})();