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BrokerApiCore/Common/Helpers.cs

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+namespace BrokerCore.Common;
+
+using System.Security.Cryptography;
+
+using BrokerBusinessLog;
+
+using DbEntity;
+
+using Entity.Actions;
+
+using MetaAssets;
+
+using ServerCommon;
+
+using ServerCore; using ServerBase;
+
+public class Helpers
+{
+	public static string generateSecureKey(int keySizeInBytes = 32, bool isBase64 = true)
+	{
+		// 32바이트는 256비트 키를 의미합니다. (AES-256과 같은 암호화 알고리즘에 적합)
+		using var random_number_generator = RandomNumberGenerator.Create();
+		byte[] key = new byte[keySizeInBytes];
+		random_number_generator.GetBytes(key);
+		return isBase64 ? Convert.ToBase64String(key) : Convert.ToHexString(key);
+	}
+
+	public static MailSendOption createMailOptionByProductMeta(
+		ProductMetaData productMeta,
+		SystemMailMetaData mailMeta,
+		string receiverUserGuid,
+		string receiverNickName)
+	{
+		DateTime now = DateTimeHelper.Current;
+		var expire_date = now.AddSeconds(MetaHelper.GameConfigMeta.SystemMailStoragePeriod);
+		// if (productMeta.Storage_Period_First != 0)
+		// {
+		// 	expire_date = DateTime.UtcNow.AddMinutes(productMeta.Storage_Period_First);
+		// }
+		var mail_send_option = new MailSendOption
+		{
+			ReceiverUserGuid = receiverUserGuid,
+			ReceiverNickName = receiverNickName,
+			IsSystemMail = true,
+			IsTextByMetaData = true,
+			Title = mailMeta.Mail_Title,
+			Text = mailMeta.Mail_Desc,
+			ExpireDate = expire_date,
+			ItemList = getMailItems(productMeta).ToList(),
+			PackageOrderId = string.Empty,
+		};
+		return mail_send_option;
+	}
+
+	public static IEnumerable<MailItem> getMailItems(ProductMetaData productMetaData)
+	{
+		if (productMetaData.ItemID_First != 0)
+		{
+			return productMetaData.First_List.Select(itemMeta => new MailItem()
+			{
+				ItemId = (UInt32)itemMeta.Id,
+				Count = itemMeta.Value,
+				ProductId = (UInt32)productMetaData.Id,
+				isRepeatProduct = false
+			});
+		}
+		return new List<MailItem>();
+	}
+
+	public static PlanetItemExchangeLogData createFromExchangeOrderLog(PlanetItemExchangeOrder order)
+	{
+		return new PlanetItemExchangeLogData
+		{
+			OrderId = order.OrderId,
+			OrderStatus = order.OrderStatus.ToString(),
+			ExchangeMetaId = order.ExchangeMetaId,
+			ExchangeMetaAmount = order.ExchangeMetaAmount,
+			AccountId = order.AccountId,
+			UserGuid = order.UserGuid,
+			PlanetId = order.PlanetId,
+			SeasonId = order.SeasonId,
+			CaliverseItemType = order.CaliverseItemType.ToString(),
+			CaliverseItemId = order.CaliverseItemId,
+			CaliverseItemDeltaAmount = order.CaliverseItemDeltaAmount,
+			PlanetItemType = order.PlanetItemType.ToString(),
+			PlanetItemId = order.PlanetItemId,
+			PlanetItemDeltaAmount = order.PlanetItemDeltaAmount,
+			CreatedAt = order.CreatedAt,
+			CompletedAt = order.CompletedAt
+		};
+	}
+}