2018-11-24 20:58:38 +01:00
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"use strict";
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const mimeTypes = require('mime-types');
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const html = require('html');
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2019-01-13 10:22:17 +01:00
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const utils = require('../utils');
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2019-09-30 20:56:32 +02:00
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const mdService = require('./md');
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2023-05-03 23:17:07 +02:00
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const becca = require("../../becca/becca");
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2018-11-24 20:58:38 +01:00
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2020-06-20 12:31:38 +02:00
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function exportSingleNote(taskContext, branch, format, res) {
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const note = branch.getNote();
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2018-11-24 20:58:38 +01:00
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if (note.type === 'image' || note.type === 'file') {
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2023-05-03 23:17:07 +02:00
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return [400, `Note type '${note.type}' cannot be exported as single file.`];
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2018-11-24 20:58:38 +01:00
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}
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if (format !== 'html' && format !== 'markdown') {
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2023-05-03 23:17:07 +02:00
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return [400, `Unrecognized format '${format}'`];
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2018-11-24 20:58:38 +01:00
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}
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let payload, extension, mime;
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2020-06-20 12:31:38 +02:00
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let content = note.getContent();
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2019-02-06 21:29:23 +01:00
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2018-11-24 20:58:38 +01:00
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if (note.type === 'text') {
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if (format === 'html') {
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2023-05-29 23:42:08 +02:00
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content = inlineAttachments(content);
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2023-05-03 23:17:07 +02:00
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2019-03-26 22:24:04 +01:00
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if (!content.toLowerCase().includes("<html")) {
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2022-12-21 15:19:05 +01:00
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content = `<html><head><meta charset="utf-8"></head><body>${content}</body></html>`;
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2019-01-25 21:34:14 +01:00
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}
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2023-05-29 23:42:08 +02:00
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payload = content.length < 100_000
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? html.prettyPrint(content, {indent_size: 2})
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: content;
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2018-11-24 20:58:38 +01:00
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extension = 'html';
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mime = 'text/html';
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}
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else if (format === 'markdown') {
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2019-09-30 20:56:32 +02:00
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payload = mdService.toMarkdown(content);
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2018-11-24 20:58:38 +01:00
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extension = 'md';
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2019-02-25 21:57:11 +01:00
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mime = 'text/x-markdown'
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2018-11-24 20:58:38 +01:00
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}
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}
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else if (note.type === 'code') {
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2019-03-26 22:24:04 +01:00
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payload = content;
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2018-11-24 20:58:38 +01:00
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extension = mimeTypes.extension(note.mime) || 'code';
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mime = note.mime;
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}
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2022-12-06 23:01:42 +01:00
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else if (note.type === 'relationMap' || note.type === 'canvas' || note.type === 'search') {
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2019-03-26 22:24:04 +01:00
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payload = content;
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2018-11-24 20:58:38 +01:00
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extension = 'json';
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mime = 'application/json';
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}
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2023-05-03 23:17:07 +02:00
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const fileName = `${note.title}.${extension}`;
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2018-11-24 20:58:38 +01:00
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2023-05-03 23:17:07 +02:00
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res.setHeader('Content-Disposition', utils.getContentDisposition(fileName));
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2022-12-21 15:19:05 +01:00
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res.setHeader('Content-Type', `${mime}; charset=UTF-8`);
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2018-11-24 20:58:38 +01:00
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res.send(payload);
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2019-02-10 22:30:55 +01:00
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2019-10-18 22:27:38 +02:00
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taskContext.increaseProgressCount();
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taskContext.taskSucceeded();
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2018-11-24 20:58:38 +01:00
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}
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2023-05-29 23:42:08 +02:00
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function inlineAttachments(content) {
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2023-07-13 23:54:47 +02:00
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content = content.replace(/src="[^"]*api\/images\/([a-zA-Z0-9_]+)\/?[^"]+"/g, (match, noteId) => {
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const note = becca.getNote(noteId);
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if (!note || !note.mime.startsWith('image/')) {
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return match;
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}
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const imageContent = note.getContent();
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if (!Buffer.isBuffer(imageContent)) {
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return match;
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}
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const base64Content = imageContent.toString('base64');
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const srcValue = `data:${note.mime};base64,${base64Content}`;
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return `src="${srcValue}"`;
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});
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2023-05-29 23:42:08 +02:00
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content = content.replace(/src="[^"]*api\/attachments\/([a-zA-Z0-9_]+)\/image\/?[^"]+"/g, (match, attachmentId) => {
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const attachment = becca.getAttachment(attachmentId);
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if (!attachment || !attachment.mime.startsWith('image/')) {
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return match;
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}
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2023-05-03 23:17:07 +02:00
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2023-05-29 23:42:08 +02:00
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const attachmentContent = attachment.getContent();
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if (!Buffer.isBuffer(attachmentContent)) {
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return match;
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2023-05-03 23:17:07 +02:00
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}
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2023-05-29 23:42:08 +02:00
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const base64Content = attachmentContent.toString('base64');
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const srcValue = `data:${attachment.mime};base64,${base64Content}`;
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return `src="${srcValue}"`;
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});
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content = content.replace(/href="[^"]*#root[^"]*attachmentId=([a-zA-Z0-9_]+)\/?"/g, (match, attachmentId) => {
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const attachment = becca.getAttachment(attachmentId);
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if (!attachment) {
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return match;
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2023-05-03 23:17:07 +02:00
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}
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const attachmentContent = attachment.getContent();
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if (!Buffer.isBuffer(attachmentContent)) {
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2023-05-29 23:42:08 +02:00
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return match;
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2023-05-03 23:17:07 +02:00
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}
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const base64Content = attachmentContent.toString('base64');
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2023-05-29 23:42:08 +02:00
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const hrefValue = `data:${attachment.mime};base64,${base64Content}`;
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2023-05-03 23:17:07 +02:00
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2023-05-29 23:42:08 +02:00
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return `href="${hrefValue}" download="${utils.escapeHtml(attachment.title)}"`;
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});
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2023-05-03 23:17:07 +02:00
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return content;
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}
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2018-11-24 20:58:38 +01:00
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module.exports = {
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exportSingleNote
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2020-06-20 12:31:38 +02:00
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};
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