public async Task <IActionResult> MoveFish(int fishId, int tankId)
{
var fish = await _context.Fish.FirstOrDefaultAsync(f => f.FishId == fishId);
var currentTank = await _context.Tank.FirstAsync(t => t.TankId == fish.TankId);
var destinationTank = await _context.Tank.FirstAsync(t => t.TankId == tankId);
if (fish == null)
{
return(NotFound());
}
var tankIsFull = destinationTank.NumberOfFish >= destinationTank.Capacity;
if (tankIsFull)
{
return(BadRequest("Tank full"));
}
_context.Movement.Add(new Movement {
FishId = fishId, TankIdTo = tankId, TankIdFrom = fish.TankId
});
currentTank.NumberOfFish--;
destinationTank.NumberOfFish++;
fish.TankId = tankId;
await _context.SaveChangesAsync();
return(Ok());
}
public async Task <IActionResult> PutTank(int id, Tank tank)
{
if (id != tank.TankId)
{
return(BadRequest());
}
_context.Entry(tank).State = EntityState.Modified;
try
{
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!TankExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(NoContent());
}