120 lines
3.8 KiB
Go
120 lines
3.8 KiB
Go
package controllers
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import (
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"fmt"
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"net/http"
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"time"
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"github.com/gin-gonic/gin"
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"s-class-backend/config"
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"s-class-backend/models"
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)
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// Struct untuk menerima data dari ESP32
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type VerifyRequest struct {
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RoomID int `json:"room_id"`
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KodeMK string `json:"kode_mk"`
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}
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// Helper untuk mengubah nama hari ke bahasa Indonesia
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func getHariIndonesia(d time.Weekday) string {
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days := []string{"Minggu", "Senin", "Selasa", "Rabu", "Kamis", "Jumat", "Sabtu"}
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return days[d]
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}
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func VerifyHardwareCode(c *gin.Context) {
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var req VerifyRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "Format data tidak valid"})
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return
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}
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// 1. Dapatkan waktu sekarang di zona waktu Surabaya (WIB / GMT+7)
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loc, _ := time.LoadLocation("Asia/Jakarta")
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now := time.Now().In(loc)
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hariIni := getHariIndonesia(now.Weekday())
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jamSekarangStr := now.Format("15:04:05")
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// =========================================================================
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// SKENARIO A: Dosen masuk sesuai jadwal perkuliahan
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// =========================================================================
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var schedule models.ClassSchedule
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err := config.DB.Where(
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"room_id = ? AND kode_mk = ? AND hari = ? AND jam_mulai <= ? AND jam_selesai >= ?",
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req.RoomID, req.KodeMK, hariIni, jamSekarangStr, jamSekarangStr,
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).First(&schedule).Error
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if err == nil {
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// Ditemukan jadwal yang cocok! Izinkan relay menyala.
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c.JSON(http.StatusOK, gin.H{
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"status": "success",
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"relay": "ON",
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"message": fmt.Sprintf("Akses diterima. Jadwal %s sedang berlangsung.", schedule.NamaMK),
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})
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return
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}
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// =========================================================================
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// SKENARIO B: Akses Dadakan (Di luar jadwal / Kode MK tidak cocok jam ini)
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// =========================================================================
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// CEK 1: Apakah ada jadwal KULIAH LAIN yang sedang berlangsung saat ini?
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var activeSchedule models.ClassSchedule
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errActive := config.DB.Where(
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"room_id = ? AND hari = ? AND jam_mulai <= ? AND jam_selesai >= ?",
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req.RoomID, hariIni, jamSekarangStr, jamSekarangStr,
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).First(&activeSchedule).Error
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if errActive == nil {
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c.JSON(http.StatusForbidden, gin.H{
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"error": fmt.Sprintf("Akses ditolak. Ruangan sedang digunakan untuk jadwal: %s", activeSchedule.NamaMK),
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})
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return
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}
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// CEK 2: Apakah ada BOOKING MAHASISWA (Approved) yang sedang berlangsung?
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// Asumsi tabel booking memiliki status 'Approved', 'Pending', dll.
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var activeBooking models.Booking
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errBooking := config.DB.Where(
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"room_id = ? AND status = 'Approved' AND start_time <= ? AND end_time >= ?",
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req.RoomID, now, now, // Sesuaikan jika format DB menggunakan timestamp ISO
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).First(&activeBooking).Error
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if errBooking == nil {
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c.JSON(http.StatusForbidden, gin.H{
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"error": "Akses ditolak. Ruangan sedang dipinjam oleh mahasiswa.",
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})
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return
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}
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// CEK 3: Pengecekan Aturan 10 Menit untuk Jadwal Berikutnya
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var nextSchedule models.ClassSchedule
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errNext := config.DB.Where(
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"room_id = ? AND hari = ? AND jam_mulai > ?",
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req.RoomID, hariIni, jamSekarangStr,
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).Order("jam_mulai asc").First(&nextSchedule).Error
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if errNext == nil {
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// Parse jam mulai jadwal berikutnya
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nextTime, _ := time.Parse("15:04:05", nextSchedule.JamMulai)
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currentTime, _ := time.Parse("15:04:05", jamSekarangStr)
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// Hitung selisih dalam menit
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diffMinutes := nextTime.Sub(currentTime).Minutes()
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if diffMinutes <= 10 {
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c.JSON(http.StatusForbidden, gin.H{
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"error": fmt.Sprintf("Akses ditolak. Kelas %s akan segera dimulai dalam %.0f menit. Ruangan harus dikosongkan.", nextSchedule.NamaMK, diffMinutes),
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})
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return
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}
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}
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// Jika lolos semua rintangan di atas, ruangan dipastikan KOSONG dan AMAN.
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// Akses dadakan diizinkan!
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c.JSON(http.StatusOK, gin.H{
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"status": "success",
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"relay": "ON",
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"message": "Akses dadakan diizinkan. Tidak ada tabrakan jadwal terdekat.",
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})
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} |