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OPML export support (issue #78), import missing for now

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This commit is contained in:
azivner
2018-05-27 12:26:34 -04:00
parent cab54a458f
commit f47ae12019
6 changed files with 98 additions and 9 deletions
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73
src/routes/api/export.js
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@@ -5,12 +5,85 @@ const html = require('html');
const tar = require('tar-stream');
const sanitize = require("sanitize-filename");
const repository = require("../../services/repository");
const utils = require('../../services/utils');
async function exportNote(req, res) {
const noteId = req.params.noteId;
const format = req.params.format;
const branchId = await sql.getValue('SELECT branchId FROM branches WHERE noteId = ?', [noteId]);
if (format === 'tar') {
await exportToTar(branchId, res);
}
else if (format === 'opml') {
await exportToOpml(branchId, res);
}
else {
return [404, "Unrecognized export format " + format];
}
}
function escapeXmlAttribute(text) {
return text.replace(/&/g, '&')
.replace(/</g, '&lt;')
.replace(/>/g, '&gt;')
.replace(/"/g, '&quot;')
.replace(/'/g, '&apos;');
}
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;');
}
async function exportToOpml(branchId, res) {
const branch = await repository.getBranch(branchId);
const note = await branch.getNote();
const title = (branch.prefix ? (branch.prefix + ' - ') : '') + note.title;
const sanitizedTitle = sanitize(title);
async function exportNoteInner(branchId) {
const branch = await repository.getBranch(branchId);
const note = await branch.getNote();
const title = (branch.prefix ? (branch.prefix + ' - ') : '') + note.title;
const preparedTitle = prepareText(title);
const preparedContent = prepareText(note.content);
res.write(`<outline title="${preparedTitle}" text="${preparedContent}">\n`);
for (const child of await note.getChildBranches()) {
await exportNoteInner(child.branchId);
}
res.write('</outline>');
}
res.setHeader('Content-Disposition', 'file; filename="' + sanitizedTitle + '.opml"');
res.setHeader('Content-Type', 'text/x-opml');
res.write(`<?xml version="1.0" encoding="UTF-8"?>
<opml version="1.0">
<head>
<title>Trilium export</title>
</head>
<body>`);
await exportNoteInner(branchId);
res.write(`</body>
</opml>`);
res.end();
}
async function exportToTar(branchId, res) {
const pack = tar.pack();
const exportedNoteIds = [];