public string modify(int id, string name, string waterType)
{
// A constant for error message. Avoids a magic value.
const string NAME_IS_EMPTY_MSG = "Fish name must have a value";
const string WATER_TYPE_IS_EMPTY_MSG = "Fish must have a water type";
// Trim any leading or trailing blanks
name = name.Trim();
// Make sure it is not empty
if (String.IsNullOrEmpty(name))
{
return(NAME_IS_EMPTY_MSG);
}
waterType = waterType.Trim();
if (String.IsNullOrEmpty(waterType))
{
return(WATER_TYPE_IS_EMPTY_MSG);
}
FishStore fishStore = new FishStore();
return(fishStore.modify(id, name, waterType));
}
public string waterByFishName(string name)
{
FishStore fishStore = new FishStore();
return(fishStore.getFishByName(name).getWater());
}
public List <Fish> getAll()
{
FishStore fishStore = new FishStore();
return(fishStore.getAll());
}