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Export attendance and chat log from a Google Meet call
// ==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;
}
})();