feature: default application games (#1949)

* Initial implementation

* Add missing summary

src/Discord.Net.Core/Entities/Activities/DefaultApplications.cs

@@ -0,0 +1,86 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Discord
+{
+    public enum DefaultApplications : ulong
+    {
+        /// <summary>
+        ///     Watch youtube together.
+        /// </summary>
+        Youtube = 880218394199220334,
+
+        /// <summary>
+        ///     Youtube development application.
+        /// </summary>
+        YoutubeDev = 880218832743055411,
+
+        /// <summary>
+        ///     Poker!
+        /// </summary>
+        Poker = 755827207812677713,
+
+        /// <summary>
+        ///     Betrayal: A Party Adventure. Betrayal is a social deduction game inspired by Werewolf, Town of Salem, and Among Us.
+        /// </summary>
+        Betrayal = 773336526917861400,
+
+        /// <summary>
+        ///     Sit back, relax, and do some fishing!
+        /// </summary>
+        Fishing = 814288819477020702,
+
+        /// <summary>
+        ///     The queens gambit.
+        /// </summary>
+        Chess = 832012774040141894,
+
+        /// <summary>
+        ///     Development version of chess.
+        /// </summary>
+        ChessDev = 832012586023256104,
+
+        /// <summary>
+        ///     LetterTile is a version of scrabble.
+        /// </summary>
+        LetterTile = 879863686565621790,
+
+        /// <summary>
+        ///     Find words in a jumble of letters in coffee.
+        /// </summary>
+        WordSnack = 879863976006127627,
+
+        /// <summary>
+        ///     It's like skribbl.io.
+        /// </summary>
+        DoodleCrew = 878067389634314250,
+
+        /// <summary>
+        ///     It's like cards against humanity.
+        /// </summary>
+        Awkword = 879863881349087252,
+
+        /// <summary>
+        ///     A word-search like game where you unscramble words and score points in a scrabble fashion.
+        /// </summary>
+        SpellCast = 852509694341283871,
+
+        /// <summary>
+        ///     Classic checkers
+        /// </summary>
+        Checkers = 832013003968348200,
+
+        /// <summary>
+        ///     The development version of poker.
+        /// </summary>
+        PokerDev = 763133495793942528,
+
+        /// <summary>
+        ///     SketchyArtist.
+        /// </summary>
+        SketchyArtist = 879864070101172255
+    }
+}

src/Discord.Net.Core/Entities/Channels/INestedChannel.cs

@@ -60,13 +60,6 @@ namespace Discord
         /// <summary>
         ///     Creates a new invite to this channel.
         /// </summary>
-        /// <example>
-        ///     <para>The following example creates a new invite to this channel; the invite lasts for 12 hours and can only
-        ///     be used 3 times throughout its lifespan.</para>
-        ///     <code language="cs">
-        ///     await guildChannel.CreateInviteAsync(maxAge: 43200, maxUses: 3);
-        ///     </code>
-        /// </example>
         /// <param name="applicationId">The id of the embedded application to open for this invite.</param>
         /// <param name="maxAge">The time (in seconds) until the invite expires. Set to <c>null</c> to never expire.</param>
         /// <param name="maxUses">The max amount of times this invite may be used. Set to <c>null</c> to have unlimited uses.</param>
@@ -79,6 +72,21 @@ namespace Discord
         /// </returns>
         Task<IInviteMetadata> CreateInviteToApplicationAsync(ulong applicationId, int? maxAge = 86400, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null);
 
+        /// <summary>
+        ///     Creates a new invite to this channel.
+        /// </summary>
+        /// <param name="application">The application to open for this invite.</param>
+        /// <param name="maxAge">The time (in seconds) until the invite expires. Set to <c>null</c> to never expire.</param>
+        /// <param name="maxUses">The max amount of times this invite may be used. Set to <c>null</c> to have unlimited uses.</param>
+        /// <param name="isTemporary">If <c>true</c>, the user accepting this invite will be kicked from the guild after closing their client.</param>
+        /// <param name="isUnique">If <c>true</c>, don't try to reuse a similar invite (useful for creating many unique one time use invites).</param>
+        /// <param name="options">The options to be used when sending the request.</param>
+        /// <returns>
+        ///     A task that represents the asynchronous invite creation operation. The task result contains an invite
+        ///     metadata object containing information for the created invite.
+        /// </returns>
+        Task<IInviteMetadata> CreateInviteToApplicationAsync(DefaultApplications application, int? maxAge = 86400, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null);
+
         /// <summary>
         ///     Creates a new invite to this channel.
         /// </summary>

src/Discord.Net.Rest/Entities/Channels/RestTextChannel.cs

@@ -227,8 +227,11 @@ namespace Discord.Rest
         /// <inheritdoc />
         public virtual async Task<IInviteMetadata> CreateInviteAsync(int? maxAge = 86400, int? maxUses = null, bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
             => await ChannelHelper.CreateInviteAsync(this, Discord, maxAge, maxUses, isTemporary, isUnique, options).ConfigureAwait(false);
-        public virtual Task<IInviteMetadata> CreateInviteToApplicationAsync(ulong applicationId, int? maxAge, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
+        public virtual async Task<IInviteMetadata> CreateInviteToApplicationAsync(ulong applicationId, int? maxAge = 86400, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
-            => throw new NotImplementedException();
+            => await ChannelHelper.CreateInviteToApplicationAsync(this, Discord, maxAge, maxUses, isTemporary, isUnique, applicationId, options);
+        /// <inheritdoc />
+        public virtual async Task<IInviteMetadata> CreateInviteToApplicationAsync(DefaultApplications application, int? maxAge = 86400, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
+            => await ChannelHelper.CreateInviteToApplicationAsync(this, Discord, maxAge, maxUses, isTemporary, isUnique, (ulong)application, options);
         public virtual Task<IInviteMetadata> CreateInviteToStreamAsync(IUser user, int? maxAge, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
             => throw new NotImplementedException();
         /// <inheritdoc />

src/Discord.Net.Rest/Entities/Channels/RestVoiceChannel.cs

@@ -78,6 +78,9 @@ namespace Discord.Rest
         public async Task<IInviteMetadata> CreateInviteToApplicationAsync(ulong applicationId, int? maxAge, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
             => await ChannelHelper.CreateInviteToApplicationAsync(this, Discord, maxAge, maxUses, isTemporary, isUnique, applicationId, options).ConfigureAwait(false);
         /// <inheritdoc />
+        public virtual async Task<IInviteMetadata> CreateInviteToApplicationAsync(DefaultApplications application, int? maxAge = 86400, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
+            => await ChannelHelper.CreateInviteToApplicationAsync(this, Discord, maxAge, maxUses, isTemporary, isUnique, (ulong)application, options);
+        /// <inheritdoc />
         public async Task<IInviteMetadata> CreateInviteToStreamAsync(IUser user, int? maxAge, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
             => await ChannelHelper.CreateInviteToStreamAsync(this, Discord, maxAge, maxUses, isTemporary, isUnique, user, options).ConfigureAwait(false);
         /// <inheritdoc />

src/Discord.Net.WebSocket/Entities/Channels/SocketTextChannel.cs

@@ -324,6 +324,9 @@ namespace Discord.WebSocket
         public virtual async Task<IInviteMetadata> CreateInviteToApplicationAsync(ulong applicationId, int? maxAge, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
             => await ChannelHelper.CreateInviteToApplicationAsync(this, Discord, maxAge, maxUses, isTemporary, isUnique, applicationId, options).ConfigureAwait(false);
         /// <inheritdoc />
+        public virtual async Task<IInviteMetadata> CreateInviteToApplicationAsync(DefaultApplications application, int? maxAge = 86400, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
+            => await ChannelHelper.CreateInviteToApplicationAsync(this, Discord, maxAge, maxUses, isTemporary, isUnique, (ulong)application, options);
+        /// <inheritdoc />
         public virtual async Task<IInviteMetadata> CreateInviteToStreamAsync(IUser user, int? maxAge, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
             => await ChannelHelper.CreateInviteToStreamAsync(this, Discord, maxAge, maxUses, isTemporary, isUnique, user, options).ConfigureAwait(false);
         /// <inheritdoc />

src/Discord.Net.WebSocket/Entities/Channels/SocketVoiceChannel.cs

@@ -100,6 +100,9 @@ namespace Discord.WebSocket
         public async Task<IInviteMetadata> CreateInviteToApplicationAsync(ulong applicationId, int? maxAge, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
             => await ChannelHelper.CreateInviteToApplicationAsync(this, Discord, maxAge, maxUses, isTemporary, isUnique, applicationId, options).ConfigureAwait(false);
         /// <inheritdoc />
+        public virtual async Task<IInviteMetadata> CreateInviteToApplicationAsync(DefaultApplications application, int? maxAge = 86400, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
+            => await ChannelHelper.CreateInviteToApplicationAsync(this, Discord, maxAge, maxUses, isTemporary, isUnique, (ulong)application, options);
+        /// <inheritdoc />
         public async Task<IInviteMetadata> CreateInviteToStreamAsync(IUser user, int? maxAge, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
             => await ChannelHelper.CreateInviteToStreamAsync(this, Discord, maxAge, maxUses, isTemporary, isUnique, user, options).ConfigureAwait(false);
         /// <inheritdoc />

test/Discord.Net.Tests.Unit/MockedEntities/MockedTextChannel.cs

@@ -214,5 +214,6 @@ namespace Discord
         public Task<IUserMessage> SendFileAsync(FileAttachment attachment, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, AllowedMentions allowedMentions = null, MessageReference messageReference = null, MessageComponent component = null, ISticker[] stickers = null, Embed[] embeds = null) => throw new NotImplementedException();
         public Task<IUserMessage> SendFilesAsync(IEnumerable<FileAttachment> attachments, string text = null, bool isTTS = false, Embed embed = null, RequestOptions options = null, AllowedMentions allowedMentions = null, MessageReference messageReference = null, MessageComponent component = null, ISticker[] stickers = null, Embed[] embeds = null) => throw new NotImplementedException();
         public Task<IThreadChannel> CreateThreadAsync(string name, ThreadType type = ThreadType.PublicThread, ThreadArchiveDuration autoArchiveDuration = ThreadArchiveDuration.OneDay, IMessage message = null, bool? invitable = null, int? slowmode = null, RequestOptions options = null) => throw new NotImplementedException();
+        public Task<IInviteMetadata> CreateInviteToApplicationAsync(DefaultApplications application, int? maxAge = 86400, int? maxUses = null, bool isTemporary = false, bool isUnique = false, RequestOptions options = null) => throw new NotImplementedException();
     }
 }

test/Discord.Net.Tests.Unit/MockedEntities/MockedVoiceChannel.cs

@@ -50,6 +50,7 @@ namespace Discord
         }
         public Task<IInviteMetadata> CreateInviteToApplicationAsync(ulong applicationId, int? maxAge, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
             => throw new NotImplementedException();
+        public Task<IInviteMetadata> CreateInviteToApplicationAsync(DefaultApplications application, int? maxAge = 86400, int? maxUses = null, bool isTemporary = false, bool isUnique = false, RequestOptions options = null) => throw new NotImplementedException();
         public Task<IInviteMetadata> CreateInviteToStreamAsync(IUser user, int? maxAge, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null)
             => throw new NotImplementedException();