public Beer Add(Beer beer)
{
// Read in the existing products
var beers = this.Get() as List<Beer>;
// Assign a new Id
var maxId = beers.Max(b => b.Id);
beer.Id = maxId + 1;
beers.Add(beer);
WriteData(beers);
return beer;
}
public Beer Update(Beer beer)
{
// Read in the existing products
var beers = this.Get() as List<Beer>;
// Locate and replace the item
var itemIndex = beers.FindIndex(b => b.Id == beer.Id);
if (itemIndex > 0)
{
beers[itemIndex] = beer;
}
else
{
return null;
}
WriteData(beers);
return beer;
}
