first commit

app/api/locations/optimize/route.ts

@@ -0,0 +1,62 @@
+import { NextResponse } from 'next/server';
+import { auth } from '@/lib/auth';
+import { getLocationsDb } from '@/lib/db';
+
+/**
+ * POST /api/locations/optimize (ADMIN only)
+ *
+ * Optimize database by running VACUUM and ANALYZE
+ * This reclaims unused space and updates query planner statistics
+ */
+export async function POST() {
+  try {
+    // Super admin only (username "admin")
+    const session = await auth();
+    const username = session?.user?.name || '';
+    if (!session?.user || username !== 'admin') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+    const db = getLocationsDb();
+
+    // Get size before optimization
+    const sizeBefore = db.prepare(
+      "SELECT page_count * page_size / 1024 / 1024.0 as sizeMB FROM pragma_page_count(), pragma_page_size()"
+    ).get() as { sizeMB: number };
+
+    // Run VACUUM to reclaim space
+    db.exec('VACUUM');
+
+    // Run ANALYZE to update query planner statistics
+    db.exec('ANALYZE');
+
+    // Get size after optimization
+    const sizeAfter = db.prepare(
+      "SELECT page_count * page_size / 1024 / 1024.0 as sizeMB FROM pragma_page_count(), pragma_page_size()"
+    ).get() as { sizeMB: number };
+
+    db.close();
+
+    const freedMB = sizeBefore.sizeMB - sizeAfter.sizeMB;
+
+    return NextResponse.json({
+      success: true,
+      before: {
+        sizeMB: Math.round(sizeBefore.sizeMB * 100) / 100,
+      },
+      after: {
+        sizeMB: Math.round(sizeAfter.sizeMB * 100) / 100,
+      },
+      freedMB: Math.round(freedMB * 100) / 100,
+    });
+
+  } catch (error) {
+    console.error('Optimize error:', error);
+    return NextResponse.json(
+      {
+        error: 'Failed to optimize database',
+        details: error instanceof Error ? error.message : 'Unknown error'
+      },
+      { status: 500 }
+    );
+  }
+}