add role subscription system channel flags and message property

src/Discord.Net.Core/Entities/Guilds/SystemChannelMessageDeny.cs

@@ -13,18 +13,28 @@ namespace Discord
         /// <summary>
         ///     Deny the messages that are sent when a user joins the guild.
         /// </summary>
-        WelcomeMessage = 0b1,
+        WelcomeMessage = 1 << 0,
         /// <summary>
         ///     Deny the messages that are sent when a user boosts the guild.
         /// </summary>
-        GuildBoost = 0b10,
+        GuildBoost = 1 << 1,
         /// <summary>
         ///     Deny the messages that are related to guild setup.
         /// </summary>
-        GuildSetupTip = 0b100,
+        GuildSetupTip = 1 << 2,
         /// <summary>
         ///     Deny the reply with sticker button on welcome messages.
         /// </summary>
-        WelcomeMessageReply = 0b1000
+        WelcomeMessageReply = 1 << 3,
+
+        /// <summary>
+        ///     Deny role subscription purchase and renewal notifications in the guild.
+        /// </summary>
+        RoleSubscriptionPurchase = 1 << 4,
+
+        /// <summary>
+        ///     Hide role subscription sticker reply buttons in the guild.
+        /// </summary>
+        RoleSubscriptionPurchaseReplies = 1 << 5,
     }
 }

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

@@ -209,6 +209,14 @@ namespace Discord
         /// </returns>
         IMessageInteraction Interaction { get; }
 
+        /// <summary>
+        ///     Gets the data of the role subscription purchase or renewal that prompted this <see cref="MessageType.RoleSubscriptionPurchase"/> message.
+        /// </summary> 
+        /// <returns>
+        ///     A <see cref="MessageRoleSubscriptionData"/> if the message is a role subscription purchase message; otherwise <see langword="null"/>.
+        /// </returns>
+        MessageRoleSubscriptionData RoleSubscriptionData { get; }
+
         /// <summary>
         ///     Adds a reaction to this message.
         /// </summary>

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

@@ -0,0 +1,35 @@
+namespace Discord;
+
+/// <summary>
+///     Represents a role subscription data in <see cref="IMessage"/>.
+/// </summary>
+public class MessageRoleSubscriptionData
+{
+    /// <summary>
+    ///     Gets the id of the sku and listing that the user is subscribed to.
+    /// </summary>
+    public ulong Id { get; }
+
+    /// <summary>
+    ///     Gets the name of the tier that the user is subscribed to.
+    /// </summary>
+    public string TierName { get; }
+
+    /// <summary>
+    ///     Gets the cumulative number of months that the user has been subscribed for.
+    /// </summary>
+    public int MonthsSubscribed { get; }
+
+    /// <summary>
+    ///     Gets whether this notification is for a renewal rather than a new purchase.
+    /// </summary>
+    public bool IsRenewal { get; }
+
+    internal MessageRoleSubscriptionData(ulong id, string tierName, int monthsSubscribed, bool isRenewal)
+    {
+        Id = id;
+        TierName = tierName;
+        MonthsSubscribed = monthsSubscribed;
+        IsRenewal = isRenewal;
+    }
+}

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

@@ -62,5 +62,7 @@ namespace Discord.API
         public Optional<MessageInteraction> Interaction { get; set; }
         [JsonProperty("sticker_items")]
         public Optional<StickerItem[]> StickerItems { get; set; }
+        [JsonProperty("role_subscription_data")]
+        public Optional<MessageRoleSubscriptionData> RoleSubscriptionData { get; set; }
     }
 }

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

@@ -0,0 +1,18 @@
+using Newtonsoft.Json;
+
+namespace Discord.API;
+
+internal class MessageRoleSubscriptionData
+{
+    [JsonProperty("role_subscription_listing_id")]
+    public ulong SubscriptionListingId { get; set; }
+
+    [JsonProperty("tier_name")]
+    public string TierName { get; set; }
+
+    [JsonProperty("total_months_subscribed")]
+    public int MonthsSubscribed { get; set; }
+
+    [JsonProperty("is_renewal")]
+    public bool IsRenewal { get; set; }
+}

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

@@ -80,6 +80,9 @@ namespace Discord.Rest
         /// <inheritdoc/>
         public MessageType Type { get; private set; }
 
+        /// <inheritdoc />
+        public MessageRoleSubscriptionData RoleSubscriptionData { get; private set; }
+
         /// <inheritdoc/>
         public IReadOnlyCollection<ActionRowComponent> Components { get; private set; }
         /// <summary>
@@ -243,6 +246,15 @@ namespace Discord.Rest
                     _userMentions = newMentions.ToImmutable();
                 }
             }
+
+            if (model.RoleSubscriptionData.IsSpecified)
+            {
+                RoleSubscriptionData = new(
+                    model.RoleSubscriptionData.Value.SubscriptionListingId,
+                    model.RoleSubscriptionData.Value.TierName,
+                    model.RoleSubscriptionData.Value.MonthsSubscribed,
+                    model.RoleSubscriptionData.Value.IsRenewal);
+            }
         }
         /// <inheritdoc />
         public async Task UpdateAsync(RequestOptions options = null)

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

@@ -78,6 +78,9 @@ namespace Discord.WebSocket
         /// <inheritdoc/>
         public MessageType Type { get; private set; }
 
+        /// <inheritdoc />
+        public MessageRoleSubscriptionData RoleSubscriptionData { get; private set; }
+
         /// <summary>
         ///     Returns all attachments included in this message.
         /// </summary>
@@ -271,6 +274,15 @@ namespace Discord.WebSocket
 
             if (model.Flags.IsSpecified)
                 Flags = model.Flags.Value;
+
+            if (model.RoleSubscriptionData.IsSpecified)
+            {
+                RoleSubscriptionData = new(
+                    model.RoleSubscriptionData.Value.SubscriptionListingId,
+                    model.RoleSubscriptionData.Value.TierName,
+                    model.RoleSubscriptionData.Value.MonthsSubscribed,
+                    model.RoleSubscriptionData.Value.IsRenewal);
+            }
         }
 
         /// <inheritdoc />