public async Task <bool> DiscountPagesAsync(ClientCoupon clientCoupon, int pages)
{
if (clientCoupon.SpentPages + pages > (await _couponServices.GetCouponAsync(clientCoupon.CouponId)).Pages)
{
return(false);
}
clientCoupon.SpentPages += pages;
await UpdateClientCouponAsync(clientCoupon);
return(true);
}
public async Task DeleteClientCouponAsync(ClientCoupon clientCoupon)
{
try
{
dbContext.ClientCoupon.Remove(clientCoupon);
await dbContext.SaveChangesAsync();
}
catch (Exception)
{
throw;
}
}
public async Task <ClientCoupon> UpdateClientCouponAsync(ClientCoupon clientCoupon)
{
try
{
var clientExist = dbContext.ClientCoupon.FirstOrDefault(u => u.Id == clientCoupon.Id);
if (clientExist != null)
{
dbContext.Update(clientCoupon);
await dbContext.SaveChangesAsync();
}
}
catch (Exception)
{
throw;
}
return(clientCoupon);
}