public async Task <IActionResult> DeleteFish(RemoveFishModel model)
{
FishTank tank = await _context.FishTank.FirstOrDefaultAsync(t => t.Id == model.Id);
if (tank == null)
{
return(BadRequest("No Tank found with Id"));
}
tank.RemoveFish(model.Fish.Id);
await _context.SaveChangesAsync();
return(Ok(tank));
}
public async Task <IActionResult> ReplaceFishTank([FromBody] UpdateFishTankCapacityModel model)
{
// Find fish tank
FishTank tank = await _context.FishTank.FirstOrDefaultAsync(t => t.Id == model.Id);
if (tank == null)
{
return(BadRequest($"Fish tank with Id {model.Id} not found"));
}
// Check if the old fish can fit in the new capacity
if (tank.Fishes != null && tank.Fishes.Count() > 0)
{
// Find the size of all the fishes
int fishSize = tank.Fishes.ToList().Select(f => f.Size).Aggregate((sum, val) => sum + val);
if (fishSize > model.Capacity)
{
return(BadRequest($"Fish tank with Id {model.Id} not big enough to hold the fishes of the old tank"));
}
}
// The new tank to replace the old
FishTank newTank = new FishTank();
// deocaration and plants are discarded when replacing the fish tank
newTank.Capacity = model.Capacity;
newTank.AddFish(tank.Fishes);
// remove the old fishes from the old tank
tank.RemoveFish(tank.Fishes.Select(f => f.Id));
// add and save the new fish tank
await _context.FishTank.AddAsync(newTank);
await _context.SaveChangesAsync();
return(Ok(newTank));
}
