2023-05-05 16:37:39 +02:00

94 lines
2.5 KiB
JavaScript

"use strict";
const utils = require('../utils');
const becca = require("../../becca/becca");
function exportToOpml(taskContext, branch, version, res) {
if (!['1.0', '2.0'].includes(version)) {
throw new Error(`Unrecognized OPML version ${version}`);
}
const opmlVersion = parseInt(version);
const note = branch.getNote();
function exportNoteInner(branchId) {
const branch = becca.getBranch(branchId);
const note = branch.getNote();
if (note.hasOwnedLabel('excludeFromExport')) {
return;
}
const title = `${branch.prefix ? (`${branch.prefix} - `) : ''}${note.title}`;
if (opmlVersion === 1) {
const preparedTitle = escapeXmlAttribute(title);
const preparedContent = note.hasStringContent() ? prepareText(note.getContent()) : '';
res.write(`<outline title="${preparedTitle}" text="${preparedContent}">\n`);
}
else if (opmlVersion === 2) {
const preparedTitle = escapeXmlAttribute(title);
const preparedContent = note.hasStringContent() ? escapeXmlAttribute(note.getContent()) : '';
res.write(`<outline text="${preparedTitle}" _note="${preparedContent}">\n`);
}
else {
throw new Error(`Unrecognized OPML version ${opmlVersion}`);
}
taskContext.increaseProgressCount();
for (const child of note.getChildBranches()) {
exportNoteInner(child.branchId);
}
res.write('</outline>');
}
const filename = `${branch.prefix ? (`${branch.prefix} - `) : ''}${note.title}.opml`;
res.setHeader('Content-Disposition', utils.getContentDisposition(filename));
res.setHeader('Content-Type', 'text/x-opml');
res.write(`<?xml version="1.0" encoding="UTF-8"?>
<opml version="${version}">
<head>
<title>Trilium export</title>
</head>
<body>`);
exportNoteInner(branch.branchId);
res.write(`</body>
</opml>`);
res.end();
taskContext.taskSucceeded();
}
function prepareText(text) {
const newLines = text.replace(/(<p[^>]*>|<br\s*\/?>)/g, '\n')
.replace(/&nbsp;/g, ' '); // nbsp isn't in XML standard (only HTML)
const stripped = utils.stripTags(newLines);
const escaped = escapeXmlAttribute(stripped);
return escaped.replace(/\n/g, '&#10;');
}
function escapeXmlAttribute(text) {
return text.replace(/&/g, '&amp;')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/"/g, '&quot;')
.replace(/'/g, '&apos;');
}
module.exports = {
exportToOpml
};