private bool dbPutPark(int id, ParkRepresentation park)
{
var parkInDb = db.Parks.Find(id);
if (parkInDb == null)
{
return(false);
}
foreach (var animalGenus in parkInDb.AnimalGenuses)
{
animalGenus.Parks.Remove(parkInDb);
}
parkInDb.AnimalGenuses = new List <AnimalGenus>();
foreach (var animalGenus in park.AnimalGenuses)
{
var animalGenusInDatabase = db.AnimalGenuses.FirstOrDefault(elem => elem.Name == animalGenus.Name);
if (animalGenusInDatabase == null)
{
animalGenusInDatabase = new AnimalGenus()
{
Name = animalGenus.Name
};
}
animalGenusInDatabase.Parks.Add(parkInDb);
parkInDb.AnimalGenuses.Add(animalGenusInDatabase);
}
foreach (var ringStation in parkInDb.RingStations)
{
ringStation.Park = null;
}
parkInDb.RingStations = new List <RingStation>();
foreach (var ringStation in park.RingStations)
{
var ringStationInDatabase = db.RingStations.FirstOrDefault(elem => elem.Name == ringStation.Name);
if (ringStationInDatabase == null || (ringStationInDatabase != null && ringStationInDatabase.Park != null && !ringStationInDatabase.Park.Equals(parkInDb)))
{
ringStationInDatabase = new RingStation()
{
Name = ringStation.Name
};
}
ringStationInDatabase.Park = parkInDb;
parkInDb.RingStations.Add(ringStationInDatabase);
}
parkInDb.Name = park.Name;
db.SaveChanges();
return(true);
}
private ParkRepresentation GetPark(Park park)
{
var representation = new ParkRepresentation()
{
Id = park.Id,
Name = park.Name
};
representation.Links.Add(LinkTemplates.Parks.DeletePark.CreateLink(new { id = park.Id }));
representation.Links.Add(LinkTemplates.Parks.UpdatePark.CreateLink(new { id = park.Id }));
return(representation);
}
private ParkRepresentation GetPark(Park park)
{
var representation = new ParkRepresentation()
{
Id = park.Id,
Name = park.Name
};
representation.Links.Add(LinkTemplates.Parks.DeletePark.CreateLink(new { id = park.Id }));
representation.Links.Add(LinkTemplates.Parks.UpdatePark.CreateLink(new { id = park.Id }));
representation.RingStations = park.RingStations.Select(station => GetRingStation(station)).ToList();
representation.AnimalGenuses = park.AnimalGenuses.Select(genus => GetAnimalGenus(genus)).ToList();
return(representation);
}
public IHttpActionResult PutPark(int id, ParkRepresentation park)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (dbPutPark(id, park))
{
return(StatusCode(HttpStatusCode.NoContent));
}
else
{
return(NotFound());
}
}
public IHttpActionResult PostPark(ParkRepresentation park)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var parkInDb = dbPostPark(park);
if (parkInDb != null)
{
return(CreatedAtRoute("DefaultApi", new { id = parkInDb.Id }, GetPark(parkInDb)));
}
else
{
return(BadRequest());
}
}
private Park dbPostPark(ParkRepresentation park)
{
if (db.Parks.FirstOrDefault(elem => elem.Name == park.Name) != null)
{
return(null);
}
var parkInDb = new Park()
{
Name = park.Name
};
db.Parks.Add(parkInDb);
foreach (var animalGenus in park.AnimalGenuses)
{
var animalGenusInDb = db.AnimalGenuses.FirstOrDefault(elem => elem.Name == animalGenus.Name);
if (animalGenusInDb == null)
{
animalGenusInDb = new AnimalGenus()
{
Name = animalGenus.Name
};
}
parkInDb.AnimalGenuses.Add(animalGenusInDb);
animalGenusInDb.Parks.Add(parkInDb);
}
foreach (var ringStation in park.RingStations)
{
var newStation = new RingStation {
Name = ringStation.Name
};
db.RingStations.Add(newStation);
newStation.Park = parkInDb;
parkInDb.RingStations.Add(newStation);
}
db.SaveChanges();
return(parkInDb);
}
