Autovervollständigung

app/api/ausgaben/autocomplete/route.ts

@@ -0,0 +1,51 @@
+import { NextResponse } from 'next/server';
+import { getDbPool } from '@/lib/db';
+import { RowDataPacket } from 'mysql2';
+
+// GET /api/ausgaben/autocomplete - Fetch unique Wo and Was values for autocomplete
+export async function GET(request: Request) {
+  try {
+    const { searchParams } = new URL(request.url);
+    const typ = searchParams.get('typ');
+
+    const pool = getDbPool();
+
+    let query = 'SELECT DISTINCT Wo, Was FROM Ausgaben';
+    const params: any[] = [];
+
+    if (typ !== null && typ !== undefined) {
+      query += ' WHERE TYP = ?';
+      params.push(parseInt(typ));
+    }
+
+    query += ' ORDER BY Wo, Was';
+
+    const [rows] = await pool.query<RowDataPacket[]>(query, params);
+
+    // Extract unique Wo and Was values
+    const woSet = new Set<string>();
+    const wasSet = new Set<string>();
+
+    rows.forEach((row) => {
+      if (row.Wo) woSet.add(row.Wo);
+      if (row.Was) wasSet.add(row.Was);
+    });
+
+    const wo = Array.from(woSet).sort();
+    const was = Array.from(wasSet).sort();
+
+    return NextResponse.json({
+      success: true,
+      data: {
+        wo,
+        was,
+      },
+    });
+  } catch (error) {
+    console.error('Database error:', error);
+    return NextResponse.json(
+      { success: false, error: 'Database error' },
+      { status: 500 }
+    );
+  }
+}