146 lines
4.2 KiB
Go
146 lines
4.2 KiB
Go
package controllers
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import (
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"fmt"
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"net/http"
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"s-class-backend/config"
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"s-class-backend/models"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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)
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type BookingInput struct {
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RoomID uint `json:"room_id" binding:"required"`
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StartTime time.Time `json:"start_time" binding:"required"`
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EndTime time.Time `json:"end_time" binding:"required"`
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Purpose string `json:"purpose" binding:"required"`
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}
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func CreateBooking(c *gin.Context) {
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var input BookingInput
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if err := c.ShouldBindJSON(&input); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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// --- PERBAIKAN DI SINI (Handle UUID) ---
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// Ambil user_id dari context (hasil login)
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userIDInterface, exists := c.Get("user_id")
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if !exists {
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c.JSON(http.StatusUnauthorized, gin.H{"error": "User ID tidak ditemukan"})
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return
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}
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// Konversi interface{} ke string dulu, baru ke UUID
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userIDStr, ok := userIDInterface.(string)
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if !ok {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "Format User ID token salah"})
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return
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}
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userID, err := uuid.Parse(userIDStr)
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if err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": "Gagal memproses User ID"})
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return
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}
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// ---------------------------------------
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// Validasi Waktu
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if input.EndTime.Before(input.StartTime) {
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c.JSON(http.StatusBadRequest, gin.H{"error": "Waktu selesai tidak boleh lebih awal dari waktu mulai!"})
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return
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}
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// CEK BENTROK (Overlap Check)
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var count int64
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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 <= ?))",
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input.RoomID, input.EndTime, input.StartTime, input.EndTime, input.StartTime, input.StartTime, input.EndTime).Count(&count)
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if count > 0 {
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c.JSON(http.StatusConflict, gin.H{"error": "Ruangan sudah dibooking pada jam tersebut!"})
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return
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}
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// Simpan Booking
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booking := models.Booking{
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UserID: userID,
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RoomID: input.RoomID,
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StartTime: input.StartTime,
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EndTime: input.EndTime,
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Purpose: input.Purpose,
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Status: "Pending",
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}
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// Tampilkan error asli database jika gagal
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if err := config.DB.Create(&booking).Error; err != nil {
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fmt.Println("Error DB:", err) // Print error ke terminal
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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c.JSON(http.StatusOK, gin.H{
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"message": "Booking Berhasil diajukan!",
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"data": booking,
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})
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}
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func GetUserBookings(c *gin.Context) {
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var bookings []models.Booking
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// 1. Ambil User ID dan Role dari token yang sedang login
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userID, _ := c.Get("user_id")
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role, _ := c.Get("role")
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// 2. Cek apakah dia Admin
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if role == "admin" {
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// Jika ADMIN: Ambil SEMUA data peminjaman dari semua user, urutkan dari yang terbaru
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// Kita juga ambil data Room dan User agar detailnya lengkap
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if err := config.DB.Preload("Room").Preload("User").Order("created_at desc").Find(&bookings).Error; err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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} else {
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// Jika MAHASISWA: Ambil HANYA data peminjaman miliknya sendiri
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if err := config.DB.Preload("Room").Where("user_id = ?", userID).Order("created_at desc").Find(&bookings).Error; err != nil {
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c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
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return
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}
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}
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c.JSON(http.StatusOK, gin.H{"data": bookings})
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}
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type UpdateStatusInput struct {
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Status string `json:"status" binding:"required"` // Isinya: 'Approved', 'Rejected', 'Completed', 'Cancelled'
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}
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// --- FUNGSI 3: UPDATE STATUS (ADMIN) ---
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func UpdateBookingStatus(c *gin.Context) {
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// 1. Ambil ID Booking dari URL (misal: /bookings/123)
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bookingID := c.Param("id")
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// 2. Cek apakah booking ada?
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var booking models.Booking
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if err := config.DB.First(&booking, "booking_id = ?", bookingID).Error; err != nil {
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c.JSON(http.StatusNotFound, gin.H{"error": "Booking tidak ditemukan"})
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return
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}
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// 3. Validasi Input JSON
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var input UpdateStatusInput
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if err := c.ShouldBindJSON(&input); err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
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return
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}
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// 4. Update Status ke Database
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booking.Status = input.Status
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config.DB.Save(&booking)
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c.JSON(http.StatusOK, gin.H{
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"message": "Status booking berhasil diperbarui!",
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"data": booking,
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})
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}
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