Change Alur Aplikasi

app/api/keloladata/update-semester/route.ts

@@ -0,0 +1,94 @@
+import { NextResponse } from "next/server";
+import supabase from '@/lib/db';
+
+export async function POST() {
+  try {
+    // Get current date
+    const currentDate = new Date();
+    const currentYear = currentDate.getFullYear();
+    const currentMonth = currentDate.getMonth() + 1; // getMonth() returns 0-11
+
+    // Get all active students
+    const { data: activeStudents, error: fetchError } = await supabase
+      .from('mahasiswa')
+      .select('nim, tahun_angkatan, semester')
+      .eq('status_kuliah', 'Aktif');
+
+    if (fetchError) {
+      console.error('Error fetching active students:', fetchError);
+      return NextResponse.json(
+        { message: "Gagal mengambil data mahasiswa aktif" },
+        { status: 500 }
+      );
+    }
+
+    if (!activeStudents || activeStudents.length === 0) {
+      return NextResponse.json({ 
+        message: "Tidak ada mahasiswa aktif yang ditemukan",
+        affectedRows: 0 
+      });
+    }
+
+    let updatedCount = 0;
+    const errors: string[] = [];
+
+    // Update semester for each active student
+    for (const student of activeStudents) {
+      try {
+        const tahunAngkatan = student.tahun_angkatan;
+        if (!tahunAngkatan) {
+          errors.push(`Mahasiswa NIM ${student.nim}: Tahun angkatan tidak ditemukan`);
+          continue;
+        }
+
+        // Calculate current semester based on tahun_angkatan and current date
+        const yearsSinceEnrollment = currentYear - tahunAngkatan;
+        let currentSemester = yearsSinceEnrollment * 2; // 2 semesters per year
+
+        // Adjust for current month (odd months = odd semesters, even months = even semesters)
+        if (currentMonth >= 2 && currentMonth <= 7) {
+          // February to July = odd semester (1, 3, 5, etc.)
+          currentSemester += 1;
+        } else {
+          // August to January = even semester (2, 4, 6, etc.)
+          currentSemester += 2;
+        }
+
+        // Cap at semester 14 (7 years)
+        if (currentSemester > 14) {
+          currentSemester = 14;
+        }
+
+        // Update semester if different
+        if (student.semester !== currentSemester) {
+          const { error: updateError } = await supabase
+            .from('mahasiswa')
+            .update({ semester: currentSemester })
+            .eq('nim', student.nim);
+
+          if (updateError) {
+            errors.push(`Mahasiswa NIM ${student.nim}: Gagal memperbarui semester: ${updateError.message}`);
+          } else {
+            updatedCount++;
+          }
+        }
+      } catch (error) {
+        console.error(`Error updating semester for mahasiswa NIM ${student.nim}:`, error);
+        errors.push(`Mahasiswa NIM ${student.nim}: Terjadi kesalahan: ${(error as Error).message}`);
+      }
+    }
+
+    return NextResponse.json({
+      message: `Berhasil memperbarui semester untuk ${updatedCount} mahasiswa`,
+      affectedRows: updatedCount,
+      errors: errors.length > 0 ? errors : undefined
+    });
+
+  } catch (error) {
+    console.error('Error in update semester:', error);
+    return NextResponse.json(
+      { message: "Terjadi kesalahan internal server" },
+      { status: 500 }
+    );
+  }
+}