oop_NFS_Andreas/Plattform/Plattform/DB/HotelDB.cs

75 lines
1.8 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using Plattform.Models;
using Plattform.AirlineService;
namespace Plattform.DB
{
public class HotelDB
{
public List<Hotel> GetAllHotels()
{
using (Context ctx = new Context())
{
return ctx.Hotels.ToList();
}
}
public bool CreateHotel(Hotel hotel)
{
try
{
using (Context ctx = new Context())
{
ctx.Hotels.Add(hotel);
ctx.SaveChanges();
}
return true;
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e);
return false;
}
}
public bool UpdateHotel(Hotel hotel)
{
try
{
using (Context ctx = new Context())
{
ctx.Hotels.Attach(hotel);
ctx.Entry(hotel).State = System.Data.Entity.EntityState.Modified;
ctx.SaveChanges();
}
return true;
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e);
return false;
}
}
public bool DeleteHotel(Hotel hotel)
{
try
{
using (Context ctx = new Context())
{
ctx.Hotels.Attach(hotel);
ctx.Hotels.Remove(hotel);
ctx.SaveChanges();
}
return true;
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e);
return false;
}
}
}
}