Initial pass at making slash commands respond as expected

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

@@ -1,9 +1,5 @@
 using Newtonsoft.Json;
-using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace Discord.API
 {
@@ -16,6 +12,6 @@ namespace Discord.API
         public string Name { get; set; }
 
         [JsonProperty("options")]
-        public Optional<ApplicationCommandInteractionDataOption[]> Options { get; set; } 
+        public List<ApplicationCommandInteractionDataOption> Options { get; set; } = new();
     }
 }

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

@@ -1,9 +1,5 @@
 using Newtonsoft.Json;
-using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace Discord.API
 {
@@ -16,6 +12,6 @@ namespace Discord.API
         public Optional<object> Value { get; set; }
 
         [JsonProperty("options")]
-        public Optional<IEnumerable<ApplicationCommandInteractionDataOption>> Options { get; set; }
+        public List<ApplicationCommandInteractionDataOption> Options { get; set; } = new();
     }
 }

src/Discord.Net.WebSocket/Entities/Interaction/Slash Commands/SocketSlashCommand.cs

@@ -1,12 +1,9 @@
 using Discord.Rest;
 using Newtonsoft.Json.Linq;
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Threading.Tasks;
-using Model = Discord.API.Gateway.InteractionCreated;
 using DataModel = Discord.API.ApplicationCommandInteractionData;
+using Model = Discord.API.Gateway.InteractionCreated;
 
 namespace Discord.WebSocket
 {
@@ -40,7 +37,7 @@ namespace Discord.WebSocket
                 (model.Data.Value as JToken).ToObject<DataModel>()
                 : null;
 
-            this.Data.Update(data, this.Guild.Id);
+            this.Data.Update(data, model.GuildId);
 
             base.Update(model);
         }

src/Discord.Net.WebSocket/Entities/Interaction/Slash Commands/SocketSlashCommandData.cs

@@ -1,9 +1,6 @@
-using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using Model = Discord.API.ApplicationCommandInteractionData;
 
 namespace Discord.WebSocket
@@ -14,7 +11,7 @@ namespace Discord.WebSocket
         public string Name { get; private set; }
 
         /// <summary>
-        ///     The <see cref="SocketSlashCommandDataOption"/>'s recieved with this interaction.
+        ///     The <see cref="SocketSlashCommandDataOption"/>'s received with this interaction.
         /// </summary>
         public IReadOnlyCollection<SocketSlashCommandDataOption> Options { get; private set; }
 
@@ -37,8 +34,8 @@ namespace Discord.WebSocket
             this.Name = model.Name;
             this.guildId = guildId;
 
-            this.Options = model.Options.IsSpecified
-                ? model.Options.Value.Select(x => new SocketSlashCommandDataOption(x, this.Discord, guildId)).ToImmutableArray()
+            this.Options = model.Options.Any()
+                ? model.Options.Select(x => new SocketSlashCommandDataOption(x, this.Discord, guildId)).ToImmutableArray()
                 : null;
         }
 

src/Discord.Net.WebSocket/Entities/Interaction/Slash Commands/SocketSlashCommandDataOption.cs

@@ -1,9 +1,6 @@
-using System;
 using System.Collections.Generic;
 using System.Collections.Immutable;
 using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 using Model = Discord.API.ApplicationCommandInteractionDataOption;
 
 namespace Discord.WebSocket
@@ -20,7 +17,7 @@ namespace Discord.WebSocket
         public object Value { get; private set; }
 
         /// <summary>
-        ///      The sub command options recieved for this sub command group.
+        ///      The sub command options received for this sub command group.
         /// </summary>
         public IReadOnlyCollection<SocketSlashCommandDataOption> Options { get; private set; }
 
@@ -35,8 +32,8 @@ namespace Discord.WebSocket
             this.discord = discord;
             this.guild = guild;
 
-            this.Options = model.Options.IsSpecified
-                ? model.Options.Value.Select(x => new SocketSlashCommandDataOption(x, discord, guild)).ToImmutableArray()
+            this.Options = model.Options.Any()
+                ? model.Options.Select(x => new SocketSlashCommandDataOption(x, discord, guild)).ToImmutableArray()
                 : null;
         }