public async Task AddHeroAbilityStat(HeroAbilityStat stat)
{
bool success;
DbUpdateException caughtException = null;
try
{
await dataSource.AddEntity <HeroAbilityStat>(stat);
success = true;
}
catch (DbUpdateException e)
{
success = false;
caughtException = e;
}
if (!success)
{
//check if there is already a stat with this id and if so throw error due to duplicate
var lookupStat = await dataSource.LookupHeroAbilityStat(stat.HeroId, stat.AbilityId);
if (lookupStat != null)
{
throw new StatUpdaterException("A duplicate stat already exists.", caughtException);
}
else
{
throw new StatUpdaterException("An error occurred when adding a stat.", caughtException);
}
}
}