Add IsUnique parameter to CreateChannelInvite

Resolves #469

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

@@ -20,7 +20,7 @@ namespace Discord
         /// <param name="maxAge"> The time (in seconds) until the invite expires. Set to null to never expire. </param>
         /// <param name="maxUses"> The max amount  of times this invite may be used. Set to null to have unlimited uses. </param>
         /// <param name="isTemporary"> If true, a user accepting this invite will be kicked from the guild after closing their client. </param>
-        Task<IInviteMetadata> CreateInviteAsync(int? maxAge = 1800, int? maxUses = default(int?), bool isTemporary = false, RequestOptions options = null);
+        Task<IInviteMetadata> CreateInviteAsync(int? maxAge = 1800, int? maxUses = default(int?), bool isTemporary = false, bool isUnique = false, RequestOptions options = null);
         /// <summary> Returns a collection of all invites to this channel. </summary>
         Task<IReadOnlyCollection<IInviteMetadata>> GetInvitesAsync(RequestOptions options = null);
         

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

@@ -12,5 +12,7 @@ namespace Discord.API.Rest
         public Optional<int> MaxUses { get; set; }
         [JsonProperty("temporary")]
         public Optional<bool> IsTemporary { get; set; }
+        [JsonProperty("unique")]
+        public Optional<bool> IsUnique { get; set; }
     }
 }

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

@@ -69,9 +69,9 @@ namespace Discord.Rest
             return models.Select(x => RestInviteMetadata.Create(client, null, channel, x)).ToImmutableArray();
         }
         public static async Task<RestInviteMetadata> CreateInviteAsync(IGuildChannel channel, BaseDiscordClient client,
-            int? maxAge, int? maxUses, bool isTemporary, RequestOptions options)
+            int? maxAge, int? maxUses, bool isTemporary, bool isUnique, RequestOptions options)
         {
-            var args = new CreateChannelInviteParams { IsTemporary = isTemporary };
+            var args = new CreateChannelInviteParams { IsTemporary = isTemporary, IsUnique = isUnique };
             if (maxAge.HasValue)
                 args.MaxAge = maxAge.Value;
             else

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

@@ -118,8 +118,8 @@ namespace Discord.Rest
 
         public async Task<IReadOnlyCollection<RestInviteMetadata>> GetInvitesAsync(RequestOptions options = null)
             => await ChannelHelper.GetInvitesAsync(this, Discord, options).ConfigureAwait(false);
-        public async Task<RestInviteMetadata> CreateInviteAsync(int? maxAge = 3600, int? maxUses = null, bool isTemporary = false, RequestOptions options = null)
-            => await ChannelHelper.CreateInviteAsync(this, Discord, maxAge, maxUses, isTemporary, options).ConfigureAwait(false);
+        public async Task<RestInviteMetadata> CreateInviteAsync(int? maxAge = 3600, 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 override string ToString() => Name;
 
@@ -136,8 +136,8 @@ namespace Discord.Rest
 
         async Task<IReadOnlyCollection<IInviteMetadata>> IGuildChannel.GetInvitesAsync(RequestOptions options)
             => await GetInvitesAsync(options).ConfigureAwait(false);
-        async Task<IInviteMetadata> IGuildChannel.CreateInviteAsync(int? maxAge, int? maxUses, bool isTemporary, RequestOptions options)
-            => await CreateInviteAsync(maxAge, maxUses, isTemporary, options).ConfigureAwait(false);
+        async Task<IInviteMetadata> IGuildChannel.CreateInviteAsync(int? maxAge, int? maxUses, bool isTemporary, bool isUnique, RequestOptions options)
+            => await CreateInviteAsync(maxAge, maxUses, isTemporary, isUnique, options).ConfigureAwait(false);
         
         OverwritePermissions? IGuildChannel.GetPermissionOverwrite(IRole role) 
             => GetPermissionOverwrite(role);

src/Discord.Net.Rpc/Entities/Channels/RpcGuildChannel.cs

@@ -51,8 +51,8 @@ namespace Discord.Rpc
 
         public async Task<IReadOnlyCollection<RestInviteMetadata>> GetInvitesAsync(RequestOptions options = null)
             => await ChannelHelper.GetInvitesAsync(this, Discord, options).ConfigureAwait(false);
-        public async Task<RestInviteMetadata> CreateInviteAsync(int? maxAge = 3600, int? maxUses = null, bool isTemporary = false, RequestOptions options = null)
-            => await ChannelHelper.CreateInviteAsync(this, Discord, maxAge, maxUses, isTemporary, options).ConfigureAwait(false);
+        public async Task<RestInviteMetadata> CreateInviteAsync(int? maxAge = 3600, 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 override string ToString() => Name;
 
@@ -68,8 +68,8 @@ namespace Discord.Rpc
 
         async Task<IReadOnlyCollection<IInviteMetadata>> IGuildChannel.GetInvitesAsync(RequestOptions options)
             => await GetInvitesAsync(options).ConfigureAwait(false);
-        async Task<IInviteMetadata> IGuildChannel.CreateInviteAsync(int? maxAge, int? maxUses, bool isTemporary, RequestOptions options)
-            => await CreateInviteAsync(maxAge, maxUses, isTemporary, options).ConfigureAwait(false);
+        async Task<IInviteMetadata> IGuildChannel.CreateInviteAsync(int? maxAge, int? maxUses, bool isTemporary, bool isUnique, RequestOptions options)
+            => await CreateInviteAsync(maxAge, maxUses, isTemporary, isUnique, options).ConfigureAwait(false);
 
         IReadOnlyCollection<Overwrite> IGuildChannel.PermissionOverwrites { get { throw new NotSupportedException(); } }
         OverwritePermissions? IGuildChannel.GetPermissionOverwrite(IUser user)

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

@@ -112,8 +112,8 @@ namespace Discord.WebSocket
 
         public async Task<IReadOnlyCollection<RestInviteMetadata>> GetInvitesAsync(RequestOptions options = null)
             => await ChannelHelper.GetInvitesAsync(this, Discord, options).ConfigureAwait(false);
-        public async Task<RestInviteMetadata> CreateInviteAsync(int? maxAge = 3600, int? maxUses = null, bool isTemporary = false, RequestOptions options = null)
-            => await ChannelHelper.CreateInviteAsync(this, Discord, maxAge, maxUses, isTemporary, options).ConfigureAwait(false);
+        public async Task<RestInviteMetadata> CreateInviteAsync(int? maxAge = 3600, 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 new abstract SocketGuildUser GetUser(ulong id);
 
@@ -130,8 +130,8 @@ namespace Discord.WebSocket
 
         async Task<IReadOnlyCollection<IInviteMetadata>> IGuildChannel.GetInvitesAsync(RequestOptions options)
             => await GetInvitesAsync(options).ConfigureAwait(false);
-        async Task<IInviteMetadata> IGuildChannel.CreateInviteAsync(int? maxAge, int? maxUses, bool isTemporary, RequestOptions options)
-            => await CreateInviteAsync(maxAge, maxUses, isTemporary, options).ConfigureAwait(false);
+        async Task<IInviteMetadata> IGuildChannel.CreateInviteAsync(int? maxAge, int? maxUses, bool isTemporary, bool isUnique, RequestOptions options)
+            => await CreateInviteAsync(maxAge, maxUses, isTemporary, isUnique, options).ConfigureAwait(false);
 
         OverwritePermissions? IGuildChannel.GetPermissionOverwrite(IRole role)
             => GetPermissionOverwrite(role);