Overhaul settings and implement user preferences. Also implements dark theme toggle as part of the user settings.

src-server/routes/settings.js

@@ -0,0 +1,51 @@
+import express from 'express';
+import { getSetting, setSetting, getUserPreference, setUserPreference } from '../utils/settings.js';
+import { handlePrismaError } from '../database.js';
+
+const router = express.Router();
+
+
+// --- Settings API --- //
+
+// GET /api/settings/:key - Get a specific setting value
+router.get('/:key', async(req, res) =>
+{
+  const { key } = req.params;
+  try
+  {
+    const setting = await getSetting(key);
+    if (!setting)
+    {
+      return res.status(404).json({ error: `Setting '${key}' not found` });
+    }
+    res.status(200).json(setting);
+  }
+  catch (err)
+  {
+    handlePrismaError(res, err, `fetch setting '${key}'`);
+  }
+});
+
+// PUT /api/settings/:key - Update or create a specific setting
+router.put('/:key', async(req, res) =>
+{
+  const { key } = req.params;
+  const { value } = req.body;
+
+  if (typeof value === 'undefined')
+  {
+    return res.status(400).json({ error: 'Setting value is required in the request body' });
+  }
+
+  try
+  {
+    await setSetting(key, value);
+    res.status(200).json({ message: `Setting '${key}' updated successfully` });
+  }
+  catch (err)
+  {
+    handlePrismaError(res, err, `update setting '${key}'`);
+  }
+});
+
+export default router;