First commit

app/api/mahasiswa/jenis-pendaftaran/route.ts

@@ -0,0 +1,61 @@
+import { NextResponse } from 'next/server';
+import pool from '@/lib/db';
+import { RowDataPacket } from 'mysql2';
+
+interface JenisPendaftaran extends RowDataPacket {
+  tahun_angkatan: number;
+  jenis_pendaftaran: string;
+  jumlah: number;
+}
+
+export async function GET(request: Request) {
+  const { searchParams } = new URL(request.url);
+  const tahunAngkatan = searchParams.get('tahun_angkatan');
+  
+  const connection = await pool.getConnection();
+  
+  try {
+    let query = `
+      SELECT tahun_angkatan, jenis_pendaftaran, COUNT(*) AS jumlah
+      FROM mahasiswa
+    `;
+
+    const params: any[] = [];
+
+    if (tahunAngkatan && tahunAngkatan !== 'all') {
+      query += ` WHERE tahun_angkatan = ?`;
+      params.push(tahunAngkatan);
+    }
+
+    query += `
+      GROUP BY tahun_angkatan, jenis_pendaftaran
+      ORDER BY tahun_angkatan DESC, jenis_pendaftaran
+    `;
+
+    const [results] = await connection.query<JenisPendaftaran[]>(query, params);
+
+    return NextResponse.json(results, {
+      headers: {
+        'Cache-Control': 'public, max-age=60, stale-while-revalidate=30',
+        'Access-Control-Allow-Origin': '*',
+        'Access-Control-Allow-Methods': 'GET, OPTIONS',
+        'Access-Control-Allow-Headers': 'Content-Type, Authorization',
+      },
+    });
+  } catch (error) {
+    console.error('Error fetching jenis pendaftaran:', error);
+    return NextResponse.json(
+      { error: 'Failed to fetch jenis pendaftaran data' },
+      { 
+        status: 500,
+        headers: {
+          'Access-Control-Allow-Origin': '*',
+          'Access-Control-Allow-Methods': 'GET, OPTIONS',
+          'Access-Control-Allow-Headers': 'Content-Type, Authorization',
+        },
+      }
+    );
+  } finally {
+    connection.release();
+  }
+}