[Feature] Add support for Guild Member Flags (#2571)

* implement `GuildUserFlags`

Co-authored-by: Casmir <68127614+csmir@users.noreply.github.com>

src/Discord.Net.Core/Entities/Users/GuildUserFlags.cs

@@ -0,0 +1,42 @@
+namespace Discord;
+
+
+/// <summary>
+///     Represents public flags for a guild member.
+/// </summary>
+public enum GuildUserFlags
+{
+    /// <summary>
+    ///     Member has no flags set.
+    /// </summary>
+    None = 0,
+
+    /// <summary>
+    ///     Member has left and rejoined the guild.
+    /// </summary>
+    /// <remarks>
+    ///     Cannot be modified.
+    /// </remarks>
+    DidRejoin = 1 << 0,
+
+    /// <summary>
+    ///     Member has completed onboarding.
+    /// </summary>
+    /// <remarks>
+    ///     Cannot be modified.
+    /// </remarks>
+    CompletedOnboarding = 1 << 1,
+
+    /// <summary>
+    ///     Member bypasses guild verification requirements.
+    /// </summary>
+    BypassesVerification = 1 << 2,
+
+    /// <summary>
+    ///     Member has started onboarding.
+    /// </summary>
+    /// <remarks>
+    ///     Cannot be modified.
+    /// </remarks>
+    StartedOnboarding = 1 << 3,
+}

src/Discord.Net.Core/Entities/Users/GuildUserProperties.cs

@@ -82,5 +82,13 @@ namespace Discord
         ///     <see langword="null"/> or a time in the past to clear a currently existing timeout.
         /// </remarks>
         public Optional<DateTimeOffset?> TimedOutUntil { get; set; }
+
+        /// <summary>
+        ///     Gets or sets the flags of the guild member.
+        /// </summary>
+        /// <remarks>
+        ///     Not all flags can be modified, these are reserved for Discord.
+        /// </remarks>
+        public Optional<GuildUserFlags> Flags { get; set; }
     }
 }

src/Discord.Net.Core/Entities/Users/IGuildUser.cs

@@ -111,6 +111,11 @@ namespace Discord
         /// </returns>
         DateTimeOffset? TimedOutUntil { get; }
 
+        /// <summary>
+        ///     Gets the public flags for this guild member.
+        /// </summary>
+        GuildUserFlags Flags { get; }
+
         /// <summary>
         ///     Gets the level permissions granted to this user to a given channel.
         /// </summary>

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

@@ -25,5 +25,8 @@ namespace Discord.API
         public Optional<DateTimeOffset?> PremiumSince { get; set; }
         [JsonProperty("communication_disabled_until")]
         public Optional<DateTimeOffset?> TimedOutUntil { get; set; }
+
+        [JsonProperty("flags")]
+        public GuildUserFlags Flags { get; set; }
     }
 }

src/Discord.Net.Rest/API/Rest/ModifyGuildMemberParams.cs

@@ -18,5 +18,8 @@ namespace Discord.API.Rest
         public Optional<ulong?> ChannelId { get; set; }
         [JsonProperty("communication_disabled_until")]
         public Optional<DateTimeOffset?> TimedOutUntil { get; set; }
+
+        [JsonProperty("flags")]
+        public Optional<GuildUserFlags> Flags { get; set; }
     }
 }

src/Discord.Net.Rest/Entities/Users/RestGuildUser.cs

@@ -38,6 +38,10 @@ namespace Discord.Rest
         public ulong GuildId { get; }
         /// <inheritdoc />
         public bool? IsPending { get; private set; }
+
+        /// <inheritdoc />
+        public GuildUserFlags Flags { get; private set; }
+
         /// <inheritdoc />
         public int Hierarchy
         {
@@ -114,6 +118,7 @@ namespace Discord.Rest
                 _timedOutTicks = model.TimedOutUntil.Value?.UtcTicks;
             if (model.Pending.IsSpecified)
                 IsPending = model.Pending.Value;
+            Flags = model.Flags;
         }
         private void UpdateRoles(ulong[] roleIds)
         {

src/Discord.Net.Rest/Entities/Users/RestWebhookUser.cs

@@ -71,6 +71,8 @@ namespace Discord.Rest
         DateTimeOffset? IGuildUser.TimedOutUntil => null;
         /// <inheritdoc />
         GuildPermissions IGuildUser.GuildPermissions => GuildPermissions.Webhook;
+        /// <inheritdoc />
+        GuildUserFlags IGuildUser.Flags => GuildUserFlags.None;
 
         /// <inheritdoc />
         ChannelPermissions IGuildUser.GetPermissions(IGuildChannel channel) => Permissions.ToChannelPerms(channel, GuildPermissions.Webhook.RawValue);

src/Discord.Net.Rest/Entities/Users/UserHelper.cs

@@ -40,7 +40,8 @@ namespace Discord.Rest
                 Deaf = args.Deaf,
                 Mute = args.Mute,
                 Nickname = args.Nickname,
-                TimedOutUntil = args.TimedOutUntil
+                TimedOutUntil = args.TimedOutUntil,
+                Flags = args.Flags
             };
 
             if (args.Channel.IsSpecified)

src/Discord.Net.WebSocket/Entities/Users/SocketGuildUser.cs

@@ -71,6 +71,8 @@ namespace Discord.WebSocket
         /// <inheritdoc />
         public bool? IsPending { get; private set; }
 
+        /// <inheritdoc />
+        public GuildUserFlags Flags { get; private set; }
 
         /// <inheritdoc />
         public DateTimeOffset? JoinedAt => DateTimeUtils.FromTicks(_joinedAtTicks);
@@ -179,6 +181,8 @@ namespace Discord.WebSocket
                 _timedOutTicks = model.TimedOutUntil.Value?.UtcTicks;
             if (model.Pending.IsSpecified)
                 IsPending = model.Pending.Value;
+
+            Flags = model.Flags;
         }
         internal void Update(ClientState state, PresenceModel model, bool updatePresence)
         {

src/Discord.Net.WebSocket/Entities/Users/SocketThreadUser.cs

@@ -126,6 +126,10 @@ namespace Discord.WebSocket
         public bool IsVideoing
             => GuildUser.IsVideoing;
 
+        /// <inheritdoc/>
+        public GuildUserFlags Flags
+            => GuildUser.Flags;
+
         /// <inheritdoc/>
         public DateTimeOffset? RequestToSpeakTimestamp
             => GuildUser.RequestToSpeakTimestamp;

src/Discord.Net.WebSocket/Entities/Users/SocketWebhookUser.cs

@@ -84,6 +84,8 @@ namespace Discord.WebSocket
         int IGuildUser.Hierarchy => 0;
         /// <inheritdoc />
         GuildPermissions IGuildUser.GuildPermissions => GuildPermissions.Webhook;
+        /// <inheritdoc />
+        GuildUserFlags IGuildUser.Flags => GuildUserFlags.None;
 
         /// <inheritdoc />
         ChannelPermissions IGuildUser.GetPermissions(IGuildChannel channel) => Permissions.ToChannelPerms(channel, GuildPermissions.Webhook.RawValue);