Change Database

app/api/mahasiswa/gender-per-angkatan/route.ts

@@ -1,5 +1,11 @@
 import { NextResponse } from 'next/server';
-import pool from '@/lib/db';
+import supabase from '@/lib/db';
+
+interface GenderData {
+  tahun_angkatan: number;
+  jk: string;
+  jumlah: number;
+}
 
 export async function GET(request: Request) {
   const { searchParams } = new URL(request.url);
@@ -12,15 +18,39 @@ export async function GET(request: Request) {
     );
   }
 
-  const connection = await pool.getConnection();
-  
   try {
-    const [results] = await connection.query(`
-      SELECT tahun_angkatan, jk, COUNT(*) AS jumlah
-      FROM mahasiswa
-      WHERE tahun_angkatan = ?
-      GROUP BY jk
-    `, [tahun]);
+    const { data, error } = await supabase
+      .from('mahasiswa')
+      .select('tahun_angkatan, jk')
+      .eq('tahun_angkatan', parseInt(tahun));
+
+    if (error) {
+      console.error('Error fetching gender per angkatan:', error);
+      return NextResponse.json(
+        { error: 'Failed to fetch gender per angkatan data' },
+        { 
+          status: 500,
+          headers: {
+            'Access-Control-Allow-Origin': '*',
+            'Access-Control-Allow-Methods': 'GET, OPTIONS',
+            'Access-Control-Allow-Headers': 'Content-Type, Authorization',
+          },
+        }
+      );
+    }
+
+    // Group by jk and count
+    const groupedData = data.reduce((acc, item) => {
+      acc[item.jk] = (acc[item.jk] || 0) + 1;
+      return acc;
+    }, {} as Record<string, number>);
+
+    // Convert to final format
+    const results: GenderData[] = Object.entries(groupedData).map(([jk, jumlah]) => ({
+      tahun_angkatan: parseInt(tahun),
+      jk,
+      jumlah
+    }));
 
     return NextResponse.json(results, {
       headers: {
@@ -43,7 +73,5 @@ export async function GET(request: Request) {
         },
       }
     );
-  } finally {
-    connection.release();
   }
 }