Nice Work

gui/backend/db/index.js

@@ -0,0 +1,62 @@
+import fs from 'fs';
+import path from 'path';
+import sqlite3 from 'sqlite3';
+import { fileURLToPath } from 'url';
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = path.dirname(__filename);
+const dbPath = path.join(__dirname, 'klangkiste.sqlite');
+const schemaPath = path.join(__dirname, 'schema.sql');
+
+export const db = new sqlite3.Database(dbPath);
+
+db.exec('PRAGMA foreign_keys = ON;');
+
+export function run(query, params = []) {
+  return new Promise((resolve, reject) => {
+    db.run(query, params, function onRun(error) {
+      if (error) {
+        reject(error);
+        return;
+      }
+      resolve({ changes: this.changes, lastID: this.lastID });
+    });
+  });
+}
+
+export function get(query, params = []) {
+  return new Promise((resolve, reject) => {
+    db.get(query, params, (error, row) => {
+      if (error) {
+        reject(error);
+        return;
+      }
+      resolve(row || null);
+    });
+  });
+}
+
+export function all(query, params = []) {
+  return new Promise((resolve, reject) => {
+    db.all(query, params, (error, rows) => {
+      if (error) {
+        reject(error);
+        return;
+      }
+      resolve(rows || []);
+    });
+  });
+}
+
+export async function ensureSchema() {
+  const schema = fs.readFileSync(schemaPath, 'utf-8');
+  return new Promise((resolve, reject) => {
+    db.exec(schema, (error) => {
+      if (error) {
+        reject(error);
+        return;
+      }
+      resolve(true);
+    });
+  });
+}