From af8e49c0a31330389e2ecbad53a3408816226b8e Mon Sep 17 00:00:00 2001
From: Denis Suchok <35270280+DeNcHiK3713@users.noreply.github.com>
Date: Tue, 11 May 2021 11:40:25 +0300
Subject: [PATCH] =?UTF-8?q?=D0=94=D0=BE=D0=B1=D0=B0=D0=B2=D0=BB=D0=B5?=
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 =?UTF-8?q?=D0=BC=D0=B5=D1=82=D0=BE=D0=B4=20MarkAsUnreadConversation.=20(#?=
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---
 .../Category/Async/IMessagesCategoryAsync.cs        | 13 +++++++++++++
 VkNet/Abstractions/Category/IMessagesCategory.cs    |  3 +++
 VkNet/Categories/Async/MessagesCategoryAsync.cs     |  6 ++++++
 VkNet/Categories/MessagesCategory.cs                | 10 ++++++++++
 4 files changed, 32 insertions(+)

diff --git a/VkNet/Abstractions/Category/Async/IMessagesCategoryAsync.cs b/VkNet/Abstractions/Category/Async/IMessagesCategoryAsync.cs
index 5731c59c3..75dc310a8 100644
--- a/VkNet/Abstractions/Category/Async/IMessagesCategoryAsync.cs
+++ b/VkNet/Abstractions/Category/Async/IMessagesCategoryAsync.cs
@@ -1000,6 +1000,19 @@ Task<GetRecentCallsResult> GetRecentCallsAsync(IEnumerable<string> fields, ulong
 		/// </remarks>
 		Task<GetIntentUsersResult> GetIntentUsersAsync(MessagesGetIntentUsersParams getIntentUsersParams, CancellationToken token);
 
+
+		/// <summary>
+		/// Помечает диалог пользователя непрочитанным.
+		/// </summary>
+		/// <param name="peerId">
+		/// Идентификатор назначения. Для групповой беседы: 2000000000 + id беседы. Для
+		/// сообщества: -id сообщества.
+		/// </param>
+		/// <returns>
+		/// После успешного выполнения возвращает true.
+		/// </returns>
+		Task<bool> MarkAsUnreadConversationAsync(long peerId);
+
 	#region Obsoleted
 
 		/// <summary>
diff --git a/VkNet/Abstractions/Category/IMessagesCategory.cs b/VkNet/Abstractions/Category/IMessagesCategory.cs
index 75328a664..91a95658f 100644
--- a/VkNet/Abstractions/Category/IMessagesCategory.cs
+++ b/VkNet/Abstractions/Category/IMessagesCategory.cs
@@ -151,6 +151,9 @@ GetRecentCallsResult GetRecentCalls(IEnumerable<string> fields, ulong? count = n
 		/// <inheritdoc cref="IMessagesCategoryAsync.SendMessageEventAnswerAsync"/>
 		bool SendMessageEventAnswer(string eventId, long userId, long peerId, EventData eventData = null);
 
+		/// <inheritdoc cref="IMessagesCategoryAsync.MarkAsUnreadConversationAsync"/>
+		bool MarkAsUnreadConversation(long peerId);
+
 		/// <inheritdoc cref="IMessagesCategoryAsync.GetIntentUsersAsync"/>
 		GetIntentUsersResult GetIntentUsers(MessagesGetIntentUsersParams getIntentUsersParams);
 
diff --git a/VkNet/Categories/Async/MessagesCategoryAsync.cs b/VkNet/Categories/Async/MessagesCategoryAsync.cs
index a04a7e27a..adab0fd58 100644
--- a/VkNet/Categories/Async/MessagesCategoryAsync.cs
+++ b/VkNet/Categories/Async/MessagesCategoryAsync.cs
@@ -346,5 +346,11 @@ public Task<bool> SendMessageEventAnswerAsync(string eventId, long userId, long
 		{
 			return TypeHelper.TryInvokeMethodAsync(() => SendMessageEventAnswer(eventId, userId, peerId, eventData));
 		}
+
+		/// <inheritdoc />
+		public Task<bool> MarkAsUnreadConversationAsync(long peerId)
+		{
+			return TypeHelper.TryInvokeMethodAsync(() => MarkAsUnreadConversation(peerId));
+		}
 	}
 }
\ No newline at end of file
diff --git a/VkNet/Categories/MessagesCategory.cs b/VkNet/Categories/MessagesCategory.cs
index 71897b6c0..b436296ab 100644
--- a/VkNet/Categories/MessagesCategory.cs
+++ b/VkNet/Categories/MessagesCategory.cs
@@ -869,6 +869,16 @@ public bool SendMessageEventAnswer(string eventId, long userId, long peerId, Eve
 				});
 		}
 
+		/// <inheritdoc />
+		public bool MarkAsUnreadConversation(long peerId)
+		{
+			return _vk.Call<bool>("messages.markAsUnreadConversation",
+				new VkParameters
+				{
+					{ "peer_id", peerId }
+				});
+		}
+
 		/// <summary>
 		/// Ворзвращает указанное сообщение по его идентификатору.
 		/// </summary>