Invidious save video progress

Locally saves video progress on invidio.us and adds some more functonality such as: link to watch history, links to alternate invious instances, copying invidious links with timestamp, quick copy/open youtube link from list view.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey, το Greasemonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

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

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Violentmonkey για να εγκαταστήσετε αυτόν τον κώδικα.

θα χρειαστεί να εγκαταστήσετε μια επέκταση όπως το Tampermonkey ή το Userscripts για να εγκαταστήσετε αυτόν τον κώδικα.

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

Θα χρειαστεί να εγκαταστήσετε μια επέκταση διαχείρισης κώδικα χρήστη για να εγκαταστήσετε αυτόν τον κώδικα.

(Έχω ήδη έναν διαχειριστή κώδικα χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

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.

(Έχω ήδη έναν διαχειριστή στυλ χρήστη, επιτρέψτε μου να τον εγκαταστήσω!)

// ==UserScript==
// @name         Invidious save video progress
// @namespace    http://tampermonkey.net/
// @version      0.2
// @description  Locally saves video progress on invidio.us and adds some more functonality such as: link to watch history, links to alternate invious instances, copying invidious links with timestamp, quick copy/open youtube link from list view.
// @author       Noruf
// @match        https://invidio.us/*
// @match        https://invidious.snopyta.org/*
// @match        https://invidiou.sh/*
// @match        https://yewtu.be/*
// @match        https://invidious.toot.koeln/*
// @grant        none
// ==/UserScript==



(function() {
    'use strict';
    const timestamps = localStorage.timestamps ? JSON.parse(localStorage.timestamps) : {};
    let search = window.location.search;
    const isVideoPage = window.location.pathname.includes('watch');
    const videoId = isVideoPage? window.location.search.match(/v=(.*?)(&|$)/)[1]: ' ';
    const instances = ["invidio.us","invidious.snopyta.org","invidiou.sh","yewtu.be","invidious.toot.koeln"].filter(x => x!=window.location.hostname);

//    onReadyEvent(addOtherSources);
    var url = new URL(window.location.href);
    var time = url.searchParams.get("t");
    if(!time&&timestamps[videoId]){
        search = replaceQueryParam('t', timestamps[videoId], search);
        window.location.replace(window.location.pathname + search);
    }
    onReadyEvent(addHistoryButton);
    onReadyEvent(changeLinks);
    if(isVideoPage) onReadyEvent(videoProgressMain);
    onReadyEvent(addCopyYoutubeLinkButton);

    function replaceQueryParam(param, newval, search) {
        const regex = new RegExp("([?;&])" + param + "[^&;]*[;&]?");
        const query = search.replace(regex, "$1").replace(/&$/, '');
        return (query.length > 2 ? query : "?") + (newval ? "&" + param + "=" + newval : '');
    }

    function onReadyEvent(callback){
        // in case the document is already rendered
        if (document.readyState!='loading') callback();
        // modern browsers
        else if (document.addEventListener) document.addEventListener('DOMContentLoaded', callback);
        // IE <= 8
        else {document.attachEvent('onreadystatechange', function(){
            if (document.readyState=='complete') callback();
        });}
    }

    function altLinks(altP){
        const altLink = document.createElement("a");
        altLink.appendChild(document.createTextNode("Alternate source"));
        altLink.style.cursor = "pointer";

        const linkList = document.createElement("div");
        linkList.style.display = "none"
        for (let inst of instances){
            const a = document.createElement("a");
            a.href = `https://${inst}/watch?v=${videoId}`;
            a.appendChild(document.createTextNode(inst));
            linkList.appendChild(a);
            linkList.appendChild(document.createElement("br"));
        }
        altLink.onclick = function(){
            linkList.style.display = linkList.style.display=="none"?"block":"none"
        }
        altP.appendChild(altLink);
        altP.appendChild(linkList);

    }

    function addCopyYoutubeLinkButton(){
        if(!isVideoPage)return;
        const a = document.querySelector('a[href*="youtube"');
        const p = document.createElement("a");
        p.appendChild(document.createTextNode(" copy"));
        a.parentElement.append(p);
        p.onclick = () => {
            copyToClipboard(a.href);
        };
        p.style.cursor = "pointer";
        const altP = document.createElement("p");
        altLinks(altP)
        const ul = p.parentElement.parentElement;
        ul.insertBefore(altP,ul.childNodes[2]);
    }


    function addHistoryButton(){
        const userfield = document.querySelector('.user-field');
        const newdiv = document.createElement('div');
        newdiv.className = 'pure-u-1-4';
        userfield.prepend(newdiv);
        const anchor = document.createElement('a');
        anchor.href = '/feed/history';
        anchor.className = 'pure-menu-heading';
        newdiv.append(anchor);
        const i = document.createElement('i');
        i.className = 'icon ion-md-time';
        anchor.append(i);
    }
    function changeLinks(){
        const thumbnails = document.querySelectorAll('div.thumbnail');
        thumbnails.forEach(t =>{
            const a = t.parentElement;
            const href = a.href;
            if(!href.includes("watch"))return;
            const id = href.match(/v=(.*?)(&|$)/)[1];
            if(timestamps[id]){
                a.href = `${href}&t=${timestamps[id]}s`;
            }
            if(isVideoPage)return;
            const YT = replaceQueryParam('list', '', href).replace(window.location.host,'youtube.com');
            const copy = document.createElement("a");
            copy.appendChild(document.createTextNode("copy"));
            const open = document.createElement("a");
            open.href = YT;
            open.appendChild(document.createTextNode("open"));
            const div = document.createElement('h5');
            div.style['text-align'] = 'right';
            div.style['margin-top'] = '-5%';
            div.append('YT link: ',copy,' ',open);
            a.parentElement.append(div);
            copy.onclick = () => {
                copyToClipboard(YT);
            };
        });
    }

    function videoProgressMain (){
        const player = document.querySelector('video');
        player.onpause = () => {saveProgress(false)};
        window.addEventListener('beforeunload', function (e) {
            saveProgress(false);
            e.returnValue = ''; // Chrome requires returnValue to be set.
        });
        const saveToClipboard = document.createElement("BUTTON");
        saveToClipboard.className = "pure-button";
        saveToClipboard.appendChild(document.createTextNode("Save To Clipboard"))
        document.querySelector('#subscribe').parentElement.appendChild(saveToClipboard);
        const message = document.createElement("span");
        document.querySelector('#genre').parentElement.appendChild(message);
        saveToClipboard.onclick = () => {
            saveProgress(true);
        }
        function saveProgress(doCopy){
            const time = Math.floor(document.querySelector('video').currentTime);
            if(isNaN(player.duration))return;
            if(doCopy){
                copyToClipboard(getURL(time));
            }
            timestamps[videoId] = time;
            if(time < 60 || player.duration - time < 60) {
                delete timestamps[videoId];
                message.innerHTML = `Timestamp not saved!`;
            } else{
                message.innerHTML = `Saved at ${convertSeconds(time)}`;
            }
            history.replaceState( {} , '', replaceQueryParam('t',time,window.location.pathname + window.location.search));
            localStorage.timestamps = JSON.stringify(timestamps);
        }

        function getURL(seconds){
            return `${window.location.origin}/watch?v=${videoId}&t=${seconds}s`;
        }
        function convertSeconds(seconds){
            return new Date(seconds * 1000).toISOString().substr(11, 8);
        }
    }


    function copyToClipboard(text) {
            const textArea = document.createElement("textarea");
            textArea.value = text;
            textArea.style.position = 'fixed';
            textArea.style.top = 0;
            textArea.style.left = 0;
            textArea.style.width = '2em';
            textArea.style.height = '2em';
            textArea.style.padding = 0;
            textArea.style.border = 'none';
            textArea.style.outline = 'none';
            textArea.style.boxShadow = 'none';
            textArea.style.background = 'transparent';
            document.body.appendChild(textArea);
            textArea.focus();
            textArea.select();
            try {
                const successful = document.execCommand('copy');
                const msg = successful ? 'successful' : 'unsuccessful';
                console.log('Copying text command was ' + msg);
            } catch (err) {
                console.error('Oops, unable to copy', err);
            }
            document.body.removeChild(textArea);
    }
})();