Menyelesaikan fitur Login, Dashboard Mahasiswa, dan Admin Panel

2026-02-19 18:09:15 +07:00
commit d09c21a41f
11 changed files with 670 additions and 0 deletions
@@ -0,0 +1,107 @@
+package controllers
+
+import (
+	"net/http"
+	"os"
+	"s-class-backend/config"
+	"s-class-backend/models"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/golang-jwt/jwt/v5"
+	"golang.org/x/crypto/bcrypt"
+)
+
+// Input Register
+type RegisterInput struct {
+	NrpNip   string `json:"nrp_nip" binding:"required"`
+	FullName string `json:"full_name" binding:"required"`
+	Email    string `json:"email" binding:"required,email"`
+	Phone    string `json:"phone" binding:"required"`
+	Password string `json:"password" binding:"required,min=6"`
+}
+
+// Input Login
+type LoginInput struct {
+	NrpNip   string `json:"nrp_nip" binding:"required"`
+	Password string `json:"password" binding:"required"`
+}
+
+// --- FUNGSI REGISTER ---
+func Register(c *gin.Context) {
+	var input RegisterInput
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	hashedPassword, _ := bcrypt.GenerateFromPassword([]byte(input.Password), bcrypt.DefaultCost)
+
+	user := models.User{
+		NrpNip:       input.NrpNip,
+		FullName:     input.FullName,
+		Email:        input.Email,
+		Phone:        input.Phone,
+		PasswordHash: string(hashedPassword),
+		Role:         "student",
+	}
+
+	if err := config.DB.Create(&user).Error; err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "NRP/NIP atau Email sudah terdaftar!"})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "Registrasi Berhasil!", "data": user})
+}
+
+// --- FUNGSI LOGIN (BARU) ---
+func Login(c *gin.Context) {
+	var input LoginInput
+
+	// 1. Cek Input
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	// 2. Cari User berdasarkan NRP
+	var user models.User
+	if err := config.DB.Where("nrp_nip = ?", input.NrpNip).First(&user).Error; err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "NRP atau Password salah!"})
+		return
+	}
+
+	// 3. Cek Password (Bandingkan Hash)
+	err := bcrypt.CompareHashAndPassword([]byte(user.PasswordHash), []byte(input.Password))
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "NRP atau Password salah!"})
+		return
+	}
+
+	// 4. Bikin Token JWT (Tiket Masuk)
+	// Token berlaku selama 24 jam
+	expirationTime := time.Now().Add(24 * time.Hour)
+	claims := &jwt.MapClaims{
+		"user_id": user.UserID,
+		"role":    user.Role,
+		"exp":     expirationTime.Unix(),
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	tokenString, err := token.SignedString([]byte(os.Getenv("JWT_SECRET")))
+
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Gagal membuat token"})
+		return
+	}
+
+	// 5. Kirim Token ke Pengguna
+	c.JSON(http.StatusOK, gin.H{
+		"message": "Login Berhasil!",
+		"token":   tokenString,
+		"user": gin.H{
+			"full_name": user.FullName,
+			"role":      user.Role,
+		},
+	})
+}
@@ -0,0 +1,145 @@
+package controllers
+
+import (
+	"fmt"
+	"net/http"
+	"s-class-backend/config"
+	"s-class-backend/models"
+	"time"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+)
+
+type BookingInput struct {
+	RoomID    uint      `json:"room_id" binding:"required"`
+	StartTime time.Time `json:"start_time" binding:"required"`
+	EndTime   time.Time `json:"end_time" binding:"required"`
+	Purpose   string    `json:"purpose" binding:"required"`
+}
+
+func CreateBooking(c *gin.Context) {
+	var input BookingInput
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	// --- PERBAIKAN DI SINI (Handle UUID) ---
+	// Ambil user_id dari context (hasil login)
+	userIDInterface, exists := c.Get("user_id")
+	if !exists {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "User ID tidak ditemukan"})
+		return
+	}
+
+	// Konversi interface{} ke string dulu, baru ke UUID
+	userIDStr, ok := userIDInterface.(string)
+	if !ok {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Format User ID token salah"})
+		return
+	}
+
+	userID, err := uuid.Parse(userIDStr)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Gagal memproses User ID"})
+		return
+	}
+	// ---------------------------------------
+
+	// Validasi Waktu
+	if input.EndTime.Before(input.StartTime) {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "Waktu selesai tidak boleh lebih awal dari waktu mulai!"})
+		return
+	}
+
+	// CEK BENTROK (Overlap Check)
+	var count int64
+	config.DB.Model(&models.Booking{}).Where("room_id = ? AND status != 'Cancelled' AND ((start_time < ? AND end_time > ?) OR (start_time < ? AND end_time > ?) OR (start_time >= ? AND end_time <= ?))",
+		input.RoomID, input.EndTime, input.StartTime, input.EndTime, input.StartTime, input.StartTime, input.EndTime).Count(&count)
+
+	if count > 0 {
+		c.JSON(http.StatusConflict, gin.H{"error": "Ruangan sudah dibooking pada jam tersebut!"})
+		return
+	}
+
+	// Simpan Booking
+	booking := models.Booking{
+		UserID:    userID,
+		RoomID:    input.RoomID,
+		StartTime: input.StartTime,
+		EndTime:   input.EndTime,
+		Purpose:   input.Purpose,
+		Status:    "Pending",
+	}
+
+	// Tampilkan error asli database jika gagal
+	if err := config.DB.Create(&booking).Error; err != nil {
+		fmt.Println("Error DB:", err) // Print error ke terminal
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{
+		"message": "Booking Berhasil diajukan!",
+		"data":    booking,
+	})
+}
+func GetUserBookings(c *gin.Context) {
+	var bookings []models.Booking
+
+	// 1. Ambil User ID dan Role dari token yang sedang login
+	userID, _ := c.Get("user_id")
+	role, _ := c.Get("role")
+
+	// 2. Cek apakah dia Admin
+	if role == "admin" {
+		// Jika ADMIN: Ambil SEMUA data peminjaman dari semua user, urutkan dari yang terbaru
+		// Kita juga ambil data Room dan User agar detailnya lengkap
+		if err := config.DB.Preload("Room").Preload("User").Order("created_at desc").Find(&bookings).Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+	} else {
+		// Jika MAHASISWA: Ambil HANYA data peminjaman miliknya sendiri
+		if err := config.DB.Preload("Room").Where("user_id = ?", userID).Order("created_at desc").Find(&bookings).Error; err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+	}
+
+	c.JSON(http.StatusOK, gin.H{"data": bookings})
+}
+
+type UpdateStatusInput struct {
+	Status string `json:"status" binding:"required"` // Isinya: 'Approved', 'Rejected', 'Completed', 'Cancelled'
+}
+
+// --- FUNGSI 3: UPDATE STATUS (ADMIN) ---
+func UpdateBookingStatus(c *gin.Context) {
+	// 1. Ambil ID Booking dari URL (misal: /bookings/123)
+	bookingID := c.Param("id")
+
+	// 2. Cek apakah booking ada?
+	var booking models.Booking
+	if err := config.DB.First(&booking, "booking_id = ?", bookingID).Error; err != nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "Booking tidak ditemukan"})
+		return
+	}
+
+	// 3. Validasi Input JSON
+	var input UpdateStatusInput
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	// 4. Update Status ke Database
+	booking.Status = input.Status
+	config.DB.Save(&booking)
+
+	c.JSON(http.StatusOK, gin.H{
+		"message": "Status booking berhasil diperbarui!",
+		"data":    booking,
+	})
+}
@@ -0,0 +1,33 @@
+package controllers
+
+import (
+	"net/http"
+	"s-class-backend/config"
+	"s-class-backend/models"
+
+	"github.com/gin-gonic/gin"
+)
+
+// --- GET ALL ROOMS ---
+func GetRooms(c *gin.Context) {
+	var rooms []models.Room
+	if err := config.DB.Find(&rooms).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Gagal mengambil data ruangan"})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"data": rooms})
+}
+
+// --- CREATE ROOM ---
+func CreateRoom(c *gin.Context) {
+	var input models.Room
+	if err := c.ShouldBindJSON(&input); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+	if err := config.DB.Create(&input).Error; err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "Gagal membuat ruangan"})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{"message": "Ruangan berhasil ditambahkan!", "data": input})
+}