Change Database
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@@ -1,5 +1,5 @@
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import { NextResponse } from 'next/server';
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import pool from '@/lib/db';
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import supabase from '@/lib/db';
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interface IpkStatus {
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tahun_angkatan: number;
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@@ -22,37 +22,65 @@ export async function GET(request: Request) {
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);
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}
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let query = `
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SELECT
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m.tahun_angkatan,
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s.status_kuliah,
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COUNT(m.nim) AS total_mahasiswa,
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ROUND(AVG(m.ipk), 2) AS rata_rata_ipk
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FROM
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mahasiswa m
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JOIN
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status_mahasiswa s ON m.nim = s.nim
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WHERE
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s.status_kuliah = ?
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`;
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const params: any[] = [statusKuliah];
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let query = supabase
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.from('status_mahasiswa')
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.select('status_kuliah, mahasiswa!inner(tahun_angkatan, ipk, nim)')
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.eq('status_kuliah', statusKuliah)
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.not('mahasiswa.ipk', 'is', null);
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if (tahunAngkatan && tahunAngkatan !== 'all') {
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query += ' AND m.tahun_angkatan = ?';
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params.push(tahunAngkatan);
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query = query.eq('mahasiswa.tahun_angkatan', parseInt(tahunAngkatan));
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}
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query += `
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GROUP BY
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m.tahun_angkatan, s.status_kuliah
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ORDER BY
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m.tahun_angkatan DESC, s.status_kuliah
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`;
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const { data, error } = await query;
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const [rows] = await pool.query(query, params);
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if (error) {
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console.error('Error fetching IPK status data:', error);
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return NextResponse.json(
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{ error: 'Failed to fetch IPK status data' },
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{ status: 500 }
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);
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}
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return NextResponse.json(rows);
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// Group by tahun_angkatan and status_kuliah
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const groupedData = data.reduce((acc, item: any) => {
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const tahun_angkatan = item.mahasiswa.tahun_angkatan;
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const status_kuliah = item.status_kuliah;
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const ipk = item.mahasiswa.ipk;
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const key = `${tahun_angkatan}-${status_kuliah}`;
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if (!acc[key]) {
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acc[key] = {
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tahun_angkatan,
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status_kuliah,
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total_mahasiswa: 0,
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total_ipk: 0
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};
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}
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acc[key].total_mahasiswa += 1;
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acc[key].total_ipk += ipk;
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return acc;
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}, {} as Record<string, { tahun_angkatan: number; status_kuliah: string; total_mahasiswa: number; total_ipk: number }>);
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// Convert to final format and calculate average IPK
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const results: IpkStatus[] = Object.values(groupedData)
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.map(item => ({
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tahun_angkatan: item.tahun_angkatan,
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status_kuliah: item.status_kuliah,
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total_mahasiswa: item.total_mahasiswa,
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rata_rata_ipk: Math.round((item.total_ipk / item.total_mahasiswa) * 100) / 100
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}))
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.sort((a, b) => {
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// Sort by tahun_angkatan DESC, status_kuliah ASC
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if (a.tahun_angkatan !== b.tahun_angkatan) {
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return b.tahun_angkatan - a.tahun_angkatan;
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}
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return a.status_kuliah.localeCompare(b.status_kuliah);
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});
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return NextResponse.json(results);
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} catch (error) {
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console.error('Error in ipk-status route:', error);
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return NextResponse.json(
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