[Feature] Add MessageCallData (#2934)

Author: Misha-133

src/Discord.Net.Core/Entities/Messages/IMessage.cs

@@ -226,6 +226,11 @@ public interface IMessage : ISnowflakeEntity, IDeletable
         /// </returns>
         MessageRoleSubscriptionData RoleSubscriptionData { get; }
 
+        /// <summary>
+        ///     Gets the call data of the message.
+        /// </summary>
+        MessageCallData? CallData { get; }
+
         /// <summary>
         ///     Adds a reaction to this message.
         /// </summary>

src/Discord.Net.Core/Entities/Messages/MessageCallData.cs

@@ -0,0 +1,25 @@
+using System;
+
+namespace Discord;
+
+/// <summary>
+///     Represents the call data of a message.
+/// </summary>
+public readonly struct MessageCallData
+{
+    /// <summary>
+    ///     Gets the participants of the call.
+    /// </summary>
+    public readonly ulong[] Participants;
+
+    /// <summary>
+    ///     Gets the timestamp when the call ended. This is <see langword="null"/> if the call is still ongoing.
+    /// </summary>
+    public readonly DateTimeOffset? EndedTimestamp;
+
+    internal MessageCallData(ulong[] participants, DateTimeOffset? endedTimestamp)
+    {
+        Participants = participants;
+        EndedTimestamp = endedTimestamp;
+    }
+}

src/Discord.Net.Rest/API/Common/Message.cs

@@ -104,4 +104,7 @@ internal class Message
 
     [JsonProperty("poll")]
     public Optional<Poll> Poll { get; set; }
+
+    [JsonProperty("call")]
+    public Optional<MessageCallData> Call { get; set; }
 }

src/Discord.Net.Rest/API/Common/MessageCallData.cs

@@ -0,0 +1,13 @@
+using Newtonsoft.Json;
+using System;
+
+namespace Discord.API;
+
+internal class MessageCallData
+{
+    [JsonProperty("ended_timestamp")]
+    public Optional<DateTimeOffset> EndedTimestamp { get; set; }
+
+    [JsonProperty("participants")]
+    public ulong[] Participants { get; set; }
+}

src/Discord.Net.Rest/Entities/Messages/RestMessage.cs

@@ -93,6 +93,9 @@ public abstract class RestMessage : RestEntity<ulong>, IMessage, IUpdateable
         /// <inheritdoc />
         public MessageRoleSubscriptionData RoleSubscriptionData { get; private set; }
 
+        /// <inheritdoc />
+        public MessageCallData? CallData { get; private set; }
+
         /// <inheritdoc cref="IMessage.Components"/>
         public IReadOnlyCollection<ActionRowComponent> Components { get; private set; }
         /// <summary>
@@ -272,6 +275,9 @@ internal virtual void Update(Model model)
 
             if (model.Thread.IsSpecified)
                 Thread = RestThreadChannel.Create(Discord, new RestGuild(Discord, model.Thread.Value.GuildId.Value), model.Thread.Value);
+
+            if (model.Call.IsSpecified)
+                CallData = new MessageCallData(model.Call.Value.Participants, model.Call.Value.EndedTimestamp.ToNullable());
         }
         /// <inheritdoc />
         public async Task UpdateAsync(RequestOptions options = null)

src/Discord.Net.WebSocket/Entities/Messages/SocketMessage.cs

@@ -87,6 +87,9 @@ public abstract class SocketMessage : SocketEntity<ulong>, IMessage
         /// <inheritdoc />
         IThreadChannel IMessage.Thread => Thread;
 
+        /// <inheritdoc />
+        public MessageCallData? CallData { get; private set; }
+
         /// <summary>
         ///     Returns all attachments included in this message.
         /// </summary>
@@ -299,6 +302,9 @@ internal virtual void Update(ClientState state, Model model)
                 SocketGuild guild = (Channel as SocketGuildChannel)?.Guild;
                 Thread = guild?.AddOrUpdateChannel(state, model.Thread.Value) as SocketThreadChannel;
             }
+
+            if (model.Call.IsSpecified)
+                CallData = new MessageCallData(model.Call.Value.Participants, model.Call.Value.EndedTimestamp.ToNullable());
         }
 
         /// <inheritdoc />