Homelabtoolkit v2

homescreen_editor/routes/api/db-write/+server.js

@@ -0,0 +1,72 @@
+import { json, error } from '@sveltejs/kit';
+import { existsSync } from 'fs';
+import { DatabaseSync } from 'node:sqlite';
+import { loadUserLookup, normalizeSectionsForUser } from '../../../lib/server/emby-user-db.js';
+
+export async function POST({ request }) {
+	const { dbPath, changes } = await request.json();
+	if (!dbPath) throw error(400, 'No dbPath provided');
+	if (!existsSync(dbPath)) throw error(404, `Database file not found: ${dbPath}`);
+	if (!changes?.length) return json({ ok: true, count: 0 });
+
+	let db;
+	try {
+		db = new DatabaseSync(dbPath);
+		const userLookup = loadUserLookup(db);
+
+		const keyRow = db
+			.prepare("SELECT UserSettingsKeyId FROM UserSettingsKeys WHERE Name = 'homescreensettings'")
+			.get();
+		if (!keyRow) throw new Error("'homescreensettings' key not found in UserSettingsKeys table");
+		const keyId = keyRow.UserSettingsKeyId;
+
+		const checkStmt = db.prepare(
+			'SELECT 1 FROM UserSettings WHERE UserId = ? AND UserSettingsKeyId = ?'
+		);
+		const updateStmt = db.prepare(
+			'UPDATE UserSettings SET Value = ? WHERE UserId = ? AND UserSettingsKeyId = ?'
+		);
+		const insertStmt = db.prepare(
+			'INSERT INTO UserSettings (UserId, UserSettingsKeyId, Value) VALUES (?, ?, ?)'
+		);
+
+		let count = 0;
+		let normalizedSections = 0;
+
+		// node:sqlite transactions: use db.exec('BEGIN') / db.exec('COMMIT') manually
+		// or wrap in a function with db.transaction() if supported
+		db.exec('BEGIN');
+		try {
+			for (const { userId, sections } of changes) {
+				const user = userLookup.get(String(userId));
+				if (!user) {
+					throw new Error(`UserId ${userId} does not exist in ${dbPath}`);
+				}
+
+				const nextSections = normalizeSectionsForUser(sections, user.embyGuid);
+				if (JSON.stringify(nextSections) !== JSON.stringify(sections)) {
+					normalizedSections += nextSections.length;
+				}
+
+				const value = JSON.stringify({ Sections: nextSections });
+				const exists = checkStmt.get(userId, keyId);
+				if (exists) {
+					updateStmt.run(value, userId, keyId);
+				} else {
+					insertStmt.run(userId, keyId, value);
+				}
+				count++;
+			}
+			db.exec('COMMIT');
+		} catch (err) {
+			db.exec('ROLLBACK');
+			throw err;
+		}
+
+		db.close();
+		return json({ ok: true, count, normalizedSections });
+	} catch (err) {
+		if (db) try { db.close(); } catch { /* ignore */ }
+		throw error(500, err.message);
+	}
+}