Yodayo Chat Message Downloader

download logs

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Yodayo Chat Message Downloader
// @namespace    http://tampermonkey.net/
// @version      1.7
// @description  download logs
// @match        https://yodayo.com/tavern/chat/*
// @grant        none
// @license      unlicense
// ==/UserScript==

(function() {
    'use strict';

    function downloadString(text, fileType, fileName) {
        const blob = new Blob([text], { type: fileType });

        const a = document.createElement('a');
        a.download = fileName;
        a.href = URL.createObjectURL(blob);
        a.dataset.downloadurl = [fileType, a.download, a.href].join(':');
        a.style.display = "none";
        document.body.appendChild(a);
        a.click();
        document.body.removeChild(a);
        setTimeout(() => { URL.revokeObjectURL(a.href); }, 1500);
    }

    function createDownloadButton(targetDiv) {
        const button = document.createElement('button');
        button.innerHTML = '⬇️';
        button.style.marginLeft = '10px';
        button.style.cursor = 'pointer';

        targetDiv.appendChild(button);

        button.addEventListener('click', () => {

            const url = window.location.href;

            const id = url.split('/').slice(-2, -1)[0];

            const apiUrl = `https://api.yodayo.com/v1/chats/${id}/messages?limit=99999`;
            fetch(apiUrl, {
                method: 'GET',
                credentials: 'include'
            })
                .then(response => {
                    if (!response.ok) {
                        throw new Error('Network response was not ok');
                    }
                    return response.json();
                })
                .then(data => {
                    const format = confirm("Do you want to download the messages in JSON format? Click 'Cancel' for plain text.");

                    if (format) {
                        const jsonString = JSON.stringify(data, null, 2);
                        const fileName = `${id}_messages.json`;
                        downloadString(jsonString, 'application/json', fileName);
                    } else {
                        const messages = data.messages.map(message => `${message.message_source}: ${message.message}`).join('\n\n\n');
                        const fileName = `${id}_messages.txt`;
                        downloadString(messages, 'text/plain', fileName);
                    }
                })
                .catch(error => {
                    console.error('Error fetching messages:', error);
                });
        });
    }

    const observer = new MutationObserver((mutations) => {
        const targetDiv = document.getElementsByClassName('flex portrait:hidden')[0];
        if (targetDiv) {
            createDownloadButton(targetDiv);
            observer.disconnect();
        }
    });

    observer.observe(document.body, { childList: true, subtree: true });
})();