First commit - es tut schon mal ganz gut

app/api/ausgaben/[id]/route.ts

@@ -0,0 +1,82 @@
+import { NextResponse } from 'next/server';
+import { getDbPool } from '@/lib/db';
+import { ResultSetHeader } from 'mysql2';
+
+// PUT /api/ausgaben/[id] - Update entry
+export async function PUT(
+  request: Request,
+  context: { params: Promise<{ id: string }> }
+) {
+  try {
+    const { id } = await context.params;
+    const body = await request.json();
+    const { Datum, WochTag, Wo, Was, Wieviel, Wie, OK } = body;
+
+    const pool = getDbPool();
+
+    const query = `
+      UPDATE Ausgaben_Tag
+      SET Datum = ?, WochTag = ?, Wo = ?, Was = ?, Wieviel = ?, Wie = ?, OK = ?
+      WHERE ID = ?
+    `;
+
+    const [result] = await pool.query<ResultSetHeader>(query, [
+      Datum,
+      WochTag,
+      Wo,
+      Was,
+      parseFloat(Wieviel),
+      Wie,
+      OK || 0,
+      parseInt(id),
+    ]);
+
+    if (result.affectedRows === 0) {
+      return NextResponse.json(
+        { success: false, error: 'Entry not found' },
+        { status: 404 }
+      );
+    }
+
+    return NextResponse.json({
+      success: true,
+    });
+  } catch (error) {
+    console.error('Database error:', error);
+    return NextResponse.json(
+      { success: false, error: 'Database error' },
+      { status: 500 }
+    );
+  }
+}
+
+// DELETE /api/ausgaben/[id] - Delete entry
+export async function DELETE(
+  request: Request,
+  context: { params: Promise<{ id: string }> }
+) {
+  try {
+    const { id } = await context.params;
+    const pool = getDbPool();
+
+    const query = 'DELETE FROM Ausgaben_Tag WHERE ID = ?';
+    const [result] = await pool.query<ResultSetHeader>(query, [parseInt(id)]);
+
+    if (result.affectedRows === 0) {
+      return NextResponse.json(
+        { success: false, error: 'Entry not found' },
+        { status: 404 }
+      );
+    }
+
+    return NextResponse.json({
+      success: true,
+    });
+  } catch (error) {
+    console.error('Database error:', error);
+    return NextResponse.json(
+      { success: false, error: 'Database error' },
+      { status: 500 }
+    );
+  }
+}