public async Task AddRangeAsync(IReadOnlyCollection <Coupon> coupons) { await _coupons.AddRangeAsync(coupons); await _context.SaveChangesAsync(); }
public async Task AddRangeAsync(IReadOnlyCollection <Coupon> coupons) { await _coupons.AddRangeAsync(coupons); await _context.SaveChangesAsync(); }