2025-01-13 23:18:10 +02:00

100 lines
3.0 KiB
TypeScript

"use strict";
import { getContentDisposition, stripTags } from "../utils.js";
import becca from "../../becca/becca.js";
import type TaskContext from "../task_context.js";
import type BBranch from "../../becca/entities/bbranch.js";
import type { Response } from "express";
function exportToOpml(taskContext: TaskContext, branch: BBranch, version: string, res: Response) {
if (!["1.0", "2.0"].includes(version)) {
throw new Error(`Unrecognized OPML version ${version}`);
}
const opmlVersion = parseInt(version);
const note = branch.getNote();
function exportNoteInner(branchId: string) {
const branch = becca.getBranch(branchId);
if (!branch) {
throw new Error("Unable to find branch.");
}
const note = branch.getNote();
if (!note) {
throw new Error("Unable to find note.");
}
if (note.hasOwnedLabel("excludeFromExport")) {
return;
}
const title = `${branch.prefix ? `${branch.prefix} - ` : ""}${note.title}`;
if (opmlVersion === 1) {
const preparedTitle = escapeXmlAttribute(title);
const preparedContent = note.hasStringContent() ? prepareText(note.getContent() as string) : "";
res.write(`<outline title="${preparedTitle}" text="${preparedContent}">\n`);
} else if (opmlVersion === 2) {
const preparedTitle = escapeXmlAttribute(title);
const preparedContent = note.hasStringContent() ? escapeXmlAttribute(note.getContent() as string) : "";
res.write(`<outline text="${preparedTitle}" _note="${preparedContent}">\n`);
} else {
throw new Error(`Unrecognized OPML version ${opmlVersion}`);
}
taskContext.increaseProgressCount();
for (const child of note.getChildBranches()) {
if (child?.branchId) {
exportNoteInner(child.branchId);
}
}
res.write("</outline>");
}
const filename = `${branch.prefix ? `${branch.prefix} - ` : ""}${note.title}.opml`;
res.setHeader("Content-Disposition", 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>`);
if (branch.branchId) {
exportNoteInner(branch.branchId);
}
res.write(`</body>
</opml>`);
res.end();
taskContext.taskSucceeded();
}
function prepareText(text: string) {
const newLines = text.replace(/(<p[^>]*>|<br\s*\/?>)/g, "\n").replace(/&nbsp;/g, " "); // nbsp isn't in XML standard (only HTML)
const stripped = stripTags(newLines);
const escaped = escapeXmlAttribute(stripped);
return escaped.replace(/\n/g, "&#10;");
}
function escapeXmlAttribute(text: string) {
return text.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/"/g, "&quot;").replace(/'/g, "&apos;");
}
export default {
exportToOpml
};