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app/api/locations/cleanup/route.ts

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+import { NextRequest, NextResponse } from 'next/server';
+import { auth } from '@/lib/auth';
+import { locationDb } from '@/lib/db';
+
+/**
+ * POST /api/locations/cleanup (ADMIN only)
+ *
+ * Delete old location records and optimize database
+ *
+ * Body:
+ * {
+ *   "retentionHours": 168  // 7 days default
+ * }
+ */
+export async function POST(request: NextRequest) {
+  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 body = await request.json();
+    const retentionHours = body.retentionHours || 168; // Default: 7 days
+
+    // Validate retention period
+    if (retentionHours <= 0 || retentionHours > 8760) { // Max 1 year
+      return NextResponse.json(
+        { error: 'Invalid retention period. Must be between 1 and 8760 hours (1 year)' },
+        { status: 400 }
+      );
+    }
+
+    // Get stats before cleanup
+    const statsBefore = locationDb.getStats();
+
+    // Delete old records
+    const deletedCount = locationDb.deleteOlderThan(retentionHours);
+
+    // Get stats after cleanup
+    const statsAfter = locationDb.getStats();
+
+    return NextResponse.json({
+      success: true,
+      deleted: deletedCount,
+      retentionHours,
+      retentionDays: Math.round(retentionHours / 24),
+      before: {
+        total: statsBefore.total,
+        sizeKB: statsBefore.sizeKB,
+        oldest: statsBefore.oldest,
+        newest: statsBefore.newest,
+      },
+      after: {
+        total: statsAfter.total,
+        sizeKB: statsAfter.sizeKB,
+        oldest: statsAfter.oldest,
+        newest: statsAfter.newest,
+      },
+      freedKB: statsBefore.sizeKB - statsAfter.sizeKB,
+    });
+
+  } catch (error) {
+    console.error('Cleanup error:', error);
+    return NextResponse.json(
+      {
+        error: 'Failed to cleanup locations',
+        details: error instanceof Error ? error.message : 'Unknown error'
+      },
+      { status: 500 }
+    );
+  }
+}