Baseline: Ausgangszustand vor Modularisierung

Erster Commit des bestehenden monolithischen WinForms-Copytraders, inklusive der Alt-Backups (*.bak), damit diese dauerhaft in der Historie rekonstruierbar bleiben. Threema-Lib unter libs/ wurde vendored (nested .git entfernt). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-01 13:16:16 +02:00
commit 475d396f80
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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace IcgSoftware.Threema.CoreMsgApi.Messages
+{
+	class DeliveryReceipt : ThreemaMessage
+	{
+		public const int TYPE_CODE = 0x80;
+
+		public enum Type
+		{
+			RECEIVED = 1,
+			READ = 2,
+			USER_ACK = 3
+		}
+
+		private readonly Type receiptType;
+		private readonly List<MessageId> ackedMessageIds;
+
+		public DeliveryReceipt(Type receiptType, List<MessageId> ackedMessageIds) {
+			this.receiptType = receiptType;
+			this.ackedMessageIds = ackedMessageIds;
+		}
+
+		public Type ReceiptType
+		{
+			get { return receiptType; }
+		}
+
+		public List<MessageId> AckedMessageIds
+		{
+			get { return ackedMessageIds; }
+		}
+
+		public override int GetTypeCode() {
+			return TYPE_CODE;
+		}
+
+		public override byte[] GetData()
+		{
+			//Not implemented yet
+			return new byte[0];
+		}
+
+		public override string ToString()
+		{
+			StringBuilder sb = new StringBuilder("Delivery receipt (");
+			sb.Append(receiptType);
+			sb.Append("): ");
+			int i = 0;
+			ackedMessageIds.ForEach(messageId =>
+			{
+				if (i != 0)
+				{
+					sb.Append(", ");
+				}
+				sb.Append(messageId);
+				i++;
+			});
+			return sb.ToString();
+		}
+
+		/**
+		 * A delivery receipt type. The following types are defined:
+		 *
+		 * <ul>
+		 *     <li>RECEIVED: the message has been received and decrypted on the recipient's device</li>
+		 *     <li>READ: the message has been shown to the user in the chat view
+		 *         (note that this status can be disabled)</li>
+		 *     <li>USER_ACK: the user has explicitly acknowledged the message (usually by
+		 *         long-pressing it and choosing the "acknowledge" option)</li>
+		 * </ul>
+		 */
+		/*
+		public enum Type {
+			RECEIVED(1), READ(2), USER_ACK(3);
+
+			private final int code;
+
+			Type(int code) {
+				this.code = code;
+			}
+
+			public int getCode() {
+				return code;
+			}
+
+			public static Type get(int code) {
+				for (Type t : values()) {
+					if (t.code == code)
+						return t;
+				}
+				return null;
+			}
+		}
+		*/
+	}
+}