public async Task <ActionResult> Index(int page = 0)
{
ITamagotchiRepository repo = GetRepo();
int per_page = await repo.TamagotchiPerPageAsync();
int all_count = await repo.TamagotchiCountAsync();
int page_num = (int)Math.Ceiling(all_count / (double)per_page);
if (page > page_num)
{
page = page_num;
}
if (page < 0)
{
page = 0;
}
var tamagotchiContract = await repo.GetAllAsync(per_page *page);
var param = new TamagotchiOverviewModel(tamagotchiContract, page, page_num);
return(View(param));
}