oop_NFS_Andreas/Plattform/Plattform/DB/AirportDB.cs

74 lines
1.8 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using Plattform.Models;
namespace Plattform.DB
{
public class AirportDB
{
public List<Airport> GetAllAirports()
{
using (Context ctx = new Context())
{
return ctx.Airports.ToList();
}
}
public bool CreateAirport(Airport airport)
{
try
{
using (Context ctx = new Context())
{
ctx.Airports.Add(airport);
ctx.SaveChanges();
}
return true;
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e);
return false;
}
}
public bool UpdateAirport(Airport airport)
{
try
{
using (Context ctx = new Context())
{
ctx.Airports.Attach(airport);
ctx.Entry(airport).State = System.Data.Entity.EntityState.Modified;
ctx.SaveChanges();
}
return true;
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e);
return false;
}
}
public bool DeleteAirport(Airport airport)
{
try
{
using (Context ctx = new Context())
{
ctx.Airports.Attach(airport);
ctx.Airports.Remove(airport);
ctx.SaveChanges();
}
return true;
}
catch (Exception e)
{
System.Diagnostics.Trace.WriteLine(e);
return false;
}
}
}
}