import/export logic refactored into separate files per format, closes #237

2025-11-01 19:05:59 +01:00 · 2018-11-16 12:12:04 +01:00
parent e0f9a7fc6a
commit 5b9a1ef0e9
11 changed files with 645 additions and 583 deletions
--- a/src/services/export/opml.js
+++ b/src/services/export/opml.js
@@ -0,0 +1,67 @@
+"use strict";
+
+const sanitize = require("sanitize-filename");
+const repository = require("../../services/repository");
+const utils = require('../../services/utils');
+
+async function exportToOpml(branch, res) {
+    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(branch.branchId);
+
+    res.write(`</body>
+</opml>`);
+    res.end();
+}
+
+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
+};