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https://github.com/SillyTavern/SillyTavern.git
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385 lines
11 KiB
JavaScript
385 lines
11 KiB
JavaScript
// Move chat functions here from script.js (eventually)
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import {
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addCopyToCodeBlocks,
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appendMediaToMessage,
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callPopup,
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chat,
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eventSource,
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event_types,
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getCurrentChatId,
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getRequestHeaders,
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hideSwipeButtons,
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name2,
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saveChatDebounced,
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showSwipeButtons,
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} from "../script.js";
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import {
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extractTextFromHTML,
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extractTextFromMarkdown,
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extractTextFromPDF,
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getBase64Async,
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getStringHash,
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humanFileSize,
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saveBase64AsFile,
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} from "./utils.js";
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const fileSizeLimit = 1024 * 1024 * 10; // 10 MB
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const converters = {
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'application/pdf': extractTextFromPDF,
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'text/html': extractTextFromHTML,
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'text/markdown': extractTextFromMarkdown,
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}
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function isConvertible(type) {
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return Object.keys(converters).includes(type);
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}
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/**
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* Mark message as hidden (system message).
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* @param {number} messageId Message ID
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* @param {JQuery<Element>} messageBlock Message UI element
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* @returns
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*/
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export async function hideChatMessage(messageId, messageBlock) {
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const chatId = getCurrentChatId();
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if (!chatId || isNaN(messageId)) return;
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const message = chat[messageId];
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if (!message) return;
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message.is_system = true;
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messageBlock.attr('is_system', String(true));
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// Reload swipes. Useful when a last message is hidden.
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hideSwipeButtons();
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showSwipeButtons();
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saveChatDebounced();
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}
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/**
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* Mark message as visible (non-system message).
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* @param {number} messageId Message ID
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* @param {JQuery<Element>} messageBlock Message UI element
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* @returns
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*/
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export async function unhideChatMessage(messageId, messageBlock) {
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const chatId = getCurrentChatId();
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if (!chatId || isNaN(messageId)) return;
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const message = chat[messageId];
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if (!message) return;
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message.is_system = false;
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messageBlock.attr('is_system', String(false));
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// Reload swipes. Useful when a last message is hidden.
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hideSwipeButtons();
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showSwipeButtons();
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saveChatDebounced();
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}
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/**
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* Adds a file attachment to the message.
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* @param {object} message Message object
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* @returns {Promise<void>} A promise that resolves when file is uploaded.
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*/
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export async function populateFileAttachment(message, inputId = 'file_form_input') {
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try {
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if (!message) return;
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if (!message.extra) message.extra = {};
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const fileInput = document.getElementById(inputId);
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if (!(fileInput instanceof HTMLInputElement)) return;
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const file = fileInput.files[0];
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if (!file) return;
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const fileBase64 = await getBase64Async(file);
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let base64Data = fileBase64.split(',')[1];
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// If file is image
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if (file.type.startsWith('image/')) {
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const extension = file.type.split('/')[1];
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const imageUrl = await saveBase64AsFile(base64Data, name2, file.name, extension);
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message.extra.image = imageUrl;
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message.extra.inline_image = true;
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} else {
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const slug = getStringHash(file.name);
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const uniqueFileName = `${Date.now()}_${slug}.txt`;
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if (isConvertible(file.type)) {
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try {
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const converter = converters[file.type];
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const fileText = await converter(file);
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base64Data = window.btoa(unescape(encodeURIComponent(fileText)));
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} catch (error) {
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toastr.error(String(error), 'Could not convert file');
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console.error('Could not convert file', error);
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}
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}
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const fileUrl = await uploadFileAttachment(uniqueFileName, base64Data);
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if (!fileUrl) {
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return;
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}
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message.extra.file = {
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url: fileUrl,
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size: file.size,
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name: file.name,
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};
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}
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} catch (error) {
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console.error('Could not upload file', error);
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} finally {
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$('#file_form').trigger('reset');
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}
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}
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/**
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* Uploads file to the server.
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* @param {string} fileName
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* @param {string} base64Data
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* @returns {Promise<string>} File URL
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*/
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export async function uploadFileAttachment(fileName, base64Data) {
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try {
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const result = await fetch('/api/file/upload', {
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method: 'POST',
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headers: getRequestHeaders(),
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body: JSON.stringify({
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name: fileName,
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data: base64Data,
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}),
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});
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if (!result.ok) {
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const error = await result.text();
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throw new Error(error);
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}
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const responseData = await result.json();
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return responseData.path.replace(/\\/g, '/');
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} catch (error) {
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toastr.error(String(error), 'Could not upload file');
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console.error('Could not upload file', error);
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}
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}
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/**
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* Downloads file from the server.
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* @param {string} url File URL
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* @returns {Promise<string>} File text
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*/
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export async function getFileAttachment(url) {
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try {
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const result = await fetch(url, {
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method: 'GET',
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cache: 'force-cache',
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headers: getRequestHeaders(),
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});
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if (!result.ok) {
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const error = await result.text();
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throw new Error(error);
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}
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const text = await result.text();
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return text;
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} catch (error) {
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toastr.error(error, 'Could not download file');
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console.error('Could not download file', error);
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}
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}
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/**
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* Validates file to make sure it is not binary or not image.
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* @param {File} file File object
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* @returns {Promise<boolean>} True if file is valid, false otherwise.
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*/
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async function validateFile(file) {
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const fileText = await file.text();
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const isImage = file.type.startsWith('image/');
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const isBinary = /^[\x00-\x08\x0E-\x1F\x7F-\xFF]*$/.test(fileText);
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if (!isImage && file.size > fileSizeLimit) {
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toastr.error(`File is too big. Maximum size is ${humanFileSize(fileSizeLimit)}.`);
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return false;
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}
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// If file is binary
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if (isBinary && !isImage && !isConvertible(file.type)) {
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toastr.error('Binary files are not supported. Select a text file or image.');
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return false;
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}
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return true;
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}
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export function hasPendingFileAttachment() {
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const fileInput = document.getElementById('file_form_input');
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if (!(fileInput instanceof HTMLInputElement)) return false;
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const file = fileInput.files[0];
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return !!file;
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}
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/**
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* Displays file information in the message sending form.
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* @returns {Promise<void>}
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*/
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async function onFileAttach() {
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const fileInput = document.getElementById('file_form_input');
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if (!(fileInput instanceof HTMLInputElement)) return;
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const file = fileInput.files[0];
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if (!file) return;
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const isValid = await validateFile(file);
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// If file is binary
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if (!isValid) {
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$('#file_form').trigger('reset');
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return;
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}
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$('#file_form .file_name').text(file.name);
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$('#file_form .file_size').text(humanFileSize(file.size));
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$('#file_form').removeClass('displayNone');
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// Reset form on chat change
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eventSource.once(event_types.CHAT_CHANGED, () => {
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$('#file_form').trigger('reset');
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});
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}
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/**
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* Deletes file from message.
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* @param {number} messageId Message ID
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*/
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async function deleteMessageFile(messageId) {
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const confirm = await callPopup('Are you sure you want to delete this file?', 'confirm');
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if (!confirm) {
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console.debug('Delete file cancelled');
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return;
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}
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const message = chat[messageId];
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if (!message?.extra?.file) {
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console.debug('Message has no file');
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return;
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}
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delete message.extra.file;
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$(`.mes[mesid="${messageId}"] .mes_file_container`).remove();
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saveChatDebounced();
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}
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/**
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* Opens file from message in a modal.
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* @param {number} messageId Message ID
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*/
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async function viewMessageFile(messageId) {
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const messageFile = chat[messageId]?.extra?.file;
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if (!messageFile) {
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console.debug('Message has no file or it is empty');
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return;
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}
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const fileText = messageFile.text || (await getFileAttachment(messageFile.url));
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const modalTemplate = $('<div><pre><code></code></pre></div>');
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modalTemplate.find('code').addClass('txt').text(fileText);
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modalTemplate.addClass('file_modal');
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addCopyToCodeBlocks(modalTemplate);
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callPopup(modalTemplate, 'text');
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}
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/**
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* Inserts a file embed into the message.
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* @param {number} messageId
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* @param {JQuery<HTMLElement>} messageBlock
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* @returns {Promise<void>}
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*/
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function embedMessageFile(messageId, messageBlock) {
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const message = chat[messageId];
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if (!message) {
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console.warn('Failed to find message with id', messageId);
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return;
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}
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$('#embed_file_input')
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.off('change')
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.on('change', parseAndUploadEmbed)
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.trigger('click');
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async function parseAndUploadEmbed(e) {
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const file = e.target.files[0];
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if (!file) return;
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const isValid = await validateFile(file);
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if (!isValid) {
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$('#file_form').trigger('reset');
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return;
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}
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await populateFileAttachment(message, 'embed_file_input');
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appendMediaToMessage(message, messageBlock);
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saveChatDebounced();
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}
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}
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jQuery(function () {
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$(document).on('click', '.mes_hide', async function () {
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const messageBlock = $(this).closest('.mes');
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const messageId = Number(messageBlock.attr('mesid'));
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await hideChatMessage(messageId, messageBlock);
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});
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$(document).on('click', '.mes_unhide', async function () {
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const messageBlock = $(this).closest('.mes');
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const messageId = Number(messageBlock.attr('mesid'));
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await unhideChatMessage(messageId, messageBlock);
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});
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$(document).on('click', '.mes_file_delete', async function () {
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const messageBlock = $(this).closest('.mes');
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const messageId = Number(messageBlock.attr('mesid'));
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await deleteMessageFile(messageId);
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});
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$(document).on('click', '.mes_file_open', async function () {
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const messageBlock = $(this).closest('.mes');
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const messageId = Number(messageBlock.attr('mesid'));
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await viewMessageFile(messageId);
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});
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// Do not change. #attachFile is added by extension.
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$(document).on('click', '#attachFile', function () {
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$('#file_form_input').trigger('click');
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});
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$(document).on('click', '.mes_embed', function () {
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const messageBlock = $(this).closest('.mes');
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const messageId = Number(messageBlock.attr('mesid'));
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embedMessageFile(messageId, messageBlock);
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});
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$('#file_form_input').on('change', onFileAttach);
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$('#file_form').on('reset', function () {
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$('#file_form').addClass('displayNone');
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});
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})
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