Google Meet Extender

Export attendance and chat log from a Google Meet call

当前为 2020-06-03 提交的版本,查看 最新版本

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

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

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Google Meet Extender
// @version      1
// @description  Export attendance and chat log from a Google Meet call
// @author       Campanini Federico
// @require      https://cdn.jsdelivr.net/gh/soufianesakhi/node-creation-observer-js@edabdee1caaee6af701333a527a0afd95240aa3b/release/node-creation-observer-latest.min.js
// @require      https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.26.0/moment.min.js
// @match        https://meet.google.com/*
// @namespace https://greasyfork.org/users/573445
// ==/UserScript==

(function() {
    'use strict';

    const buttonTemplate = '<div class="cU0hbd"><div  role="button" class="uArJ5e UQuaGc kCyAyd kW31ib Bs3rEf M0yUEe" aria-disabled="false" tabindex="1"><div class="Fvio9d MbhUzd" jsname="ksKsZd"></div><div class="e19J0b CeoRYc"></div><span jsslot="" class="l4V7wb Fxmcue"><span class="NPEfkd RveJvd snByac"><i class="google-material-icons EVe89b D0baBe" aria-hidden="true">help</i><span class="GsqdZ K74C9e">!!BUTTONTEXT!!</span></span></span></div></div>';

    const types = {
        CHAT: 'chat',
        ATTENDANCE: 'attendance'
    }

    const translations = {
        en : {
            attendanceFileName: "attendance",
            chatFileName: "chat",
            exporting : "Exporting...",
            exportingLogError: "error in exportToFile",
            exportingError: "Error during export",
            exportTypeError: "exportType error",
            postExportError: "error in postExportToFile",
            resetError: "Error during reset",
            exportComplete: "Export complete",
            exported: "exported",
            exportChatLog: "Export chat log",
            exportAttendance: "Export attendance"
        },
        it : {
            attendanceFileName: "presenze",
            chatFileName: "chat",
            exporting : "Sto Esportando...",
            exportingLogError: "Errore in exportToFile",
            exportingError: "Errore in fase di esportazione",
            exportTypeError: "errore exportType",
            postExportError: "errore in postExportToFile",
            resetError: "Errore in fase di reset",
            exportComplete: "Esportazione completata",
            exported: "esportato",
            exportChatLog: "Esporta chat log",
            exportAttendance: "Esporta registro presenze"
        }
    };

    //check if there is an appropriate translation for the browser, defaults to english
    var browserLanguage = (navigator.language || navigator.userLanguage).substring(0, 2).toLowerCase();
    const lang = translations.hasOwnProperty(browserLanguage)? browserLanguage : "en";


    //create buttons when sidebar opens
    NodeCreationObserver.onCreation('.fe4pJf.Pdo15c', function (element) {
        //create buttons and find the text node
        var attendanceButton = htmlToElement(buttonTemplate);
        var chatButton = htmlToElement(buttonTemplate);

        var attendanceButtonText = attendanceButton.childNodes[0].childNodes[2].childNodes[0].childNodes[1];
        var chatButtonText = chatButton.childNodes[0].childNodes[2].childNodes[0].childNodes[1];

        //assign the correct text and icon
        resetButtonText(attendanceButtonText, types.ATTENDANCE);
        resetButtonText(chatButtonText, types.CHAT);

        //assign correct logic to button click
        attendanceButton.addEventListener("click", function(){ exportToFile("TnISae CnDs7d hPqowe crOkHf", attendanceButtonText, translations[lang].attendanceFileName, types.ATTENDANCE); });
        chatButton.addEventListener("click", function(){ exportToFile("z38b6 CnDs7d hPqowe", chatButtonText, translations[lang].chatFileName, types.CHAT); });

        //insert them at the top
        element.parentNode.insertBefore(attendanceButton, element);
        element.parentNode.insertBefore(chatButton, element);
    });


    function exportToFile(containerClassName, buttonText, fileName, exportType){
        try {
            buttonText.innerHTML = translations[lang].exporting;
            buttonText.parentNode.childNodes[0].innerHTML = "hourglass_empty";
            var container = document.getElementsByClassName(containerClassName)[0];
            container.style.transform = "scale(.1)";

            //give it enough time to load everything after shrinking
            setTimeout(function() {
                postExportToFile(container, buttonText, fileName, exportType);
            }, 2000);
        }
        catch (err) {
            console.log(translations[lang].exportingLogError + " (" + exportType + ")");
            buttonText.innerHTML = translations[lang].exportingError;
            setTimeout(function() {
                resetButtonText(buttonText, exportType);
            }, 3000);
            console.log(err);
        }
    }

    function postExportToFile(container, buttonText, fileName, exportType){
        try {
            var now = new Date();

            var fileText = "";

            switch(exportType){
                case types.CHAT:
                    fileText = chatExportLogic(container);
                    break;
                case types.ATTENDANCE:
                    fileText = attendanceExportLogic();
                    break;
                default:
                    throw translations[lang].exportTypeError;
            }


            const blob = new Blob([fileText], { type: 'text/plain' });
            const a = document.createElement('a');
            a.setAttribute('download', fileName + " " + moment().format("DD-MM-yyyy") + ".txt");
            a.setAttribute('href', window.URL.createObjectURL(blob));
            a.click();

            container.style.transform = "scale(1)";
        }
        catch (err) {
            console.log(translations[lang].postExportError + " (" + exportType + ")");
            buttonText.innerHTML = translations[lang].resetError;
            console.log(err);
        }

        buttonText.innerHTML = translations[lang].exportComplete;
        setTimeout(function() {
            resetButtonText(buttonText, exportType);
        }, 3000);
        console.log(exportType + " " + translations[lang].exported);
    }

    function chatExportLogic(container){
        var fileText = "";

        container.childNodes.forEach(function (element){
          var consecutiveMessages = element.childNodes[1].childNodes.forEach(function (msg){
                fileText += element.getAttribute("data-sender-name") + " (" + element.getAttribute("data-formatted-timestamp") + "):  \t" + msg.getAttribute("data-message-text") + "\n";
            });
            fileText += "\n";
        });

        return fileText;
    }

    function attendanceExportLogic(){
        var fileText = "";

        document.querySelectorAll(".G3llDe.Dxboad > .cS7aqe.NkoVdd").forEach(function (element){
          fileText += element.innerHTML + "\n";
        });

        return fileText;
    }

    //assign the correct text and icon
    function resetButtonText(buttonText, exportType){
        switch(exportType){
            case types.CHAT:
                buttonText.innerHTML = translations[lang].exportChatLog;
                buttonText.parentNode.childNodes[0].innerHTML = "message";
                break;
            case types.ATTENDANCE:
                buttonText.innerHTML = translations[lang].exportAttendance;
                buttonText.parentNode.childNodes[0].innerHTML = "assignment_ind";
                break;
            default:
                throw translations[lang].exportTypeError;
        }
    }

    //used to create button element from a string
    function htmlToElement(html) {
        var template = document.createElement('template');
        html = html.trim();
        template.innerHTML = html;
        return template.content.firstChild;
    }

})();