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app/api/locations/ingest/route.ts

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+import { NextRequest, NextResponse } from 'next/server';
+import { locationDb, Location } from '@/lib/db';
+
+/**
+ * POST /api/locations/ingest
+ *
+ * Endpoint for n8n to push location data to local SQLite cache.
+ * This is called AFTER n8n stores the data in NocoDB.
+ *
+ * Expected payload (single location or array):
+ * {
+ *   "latitude": 48.1351,
+ *   "longitude": 11.5820,
+ *   "timestamp": "2024-01-15T10:30:00Z",
+ *   "user_id": 0,
+ *   "username": "10",
+ *   "marker_label": "Device A",
+ *   "battery": 85,
+ *   "speed": 2.5,
+ *   ...
+ * }
+ *
+ * Security: Add API key validation in production!
+ */
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json();
+
+    // Support both single location and array of locations
+    const locations = Array.isArray(body) ? body : [body];
+
+    if (locations.length === 0) {
+      return NextResponse.json(
+        { error: 'No location data provided' },
+        { status: 400 }
+      );
+    }
+
+    // Debug logging for speed and battery values
+    console.log('[Ingest Debug] Received locations:', locations.map(loc => ({
+      username: loc.username,
+      speed: loc.speed,
+      speed_type: typeof loc.speed,
+      battery: loc.battery,
+      battery_type: typeof loc.battery
+    })));
+
+    // Validate required fields
+    for (const loc of locations) {
+      if (!loc.latitude || !loc.longitude || !loc.timestamp) {
+        return NextResponse.json(
+          { error: 'Missing required fields: latitude, longitude, timestamp' },
+          { status: 400 }
+        );
+      }
+    }
+
+    // Insert into SQLite
+    let insertedCount = 0;
+    if (locations.length === 1) {
+      locationDb.create(locations[0] as Location);
+      insertedCount = 1;
+    } else {
+      insertedCount = locationDb.createMany(locations as Location[]);
+    }
+
+    return NextResponse.json({
+      success: true,
+      inserted: insertedCount,
+      message: `Successfully stored ${insertedCount} location(s)`
+    });
+
+  } catch (error) {
+    console.error('Location ingest error:', error);
+    return NextResponse.json(
+      {
+        error: 'Failed to store location data',
+        details: error instanceof Error ? error.message : 'Unknown error'
+      },
+      { status: 500 }
+    );
+  }
+}
+
+/**
+ * GET /api/locations/ingest/stats
+ *
+ * Get database statistics (for debugging)
+ */
+export async function GET() {
+  try {
+    const stats = locationDb.getStats();
+    return NextResponse.json(stats);
+  } catch (error) {
+    console.error('Stats error:', error);
+    return NextResponse.json(
+      { error: 'Failed to get stats' },
+      { status: 500 }
+    );
+  }
+}