Add Image property to create and modify events

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

@@ -54,5 +54,10 @@ namespace Discord
         ///     Gets or sets the status of the event.
         /// </summary>
         public Optional<GuildScheduledEventStatus> Status { get; set; }
+
+        /// <summary>
+        ///     Gets or sets the banner image of the event.
+        /// </summary>
+        public Optional<Image?> Image { get; set; }
     }
 }

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

@@ -1105,6 +1105,7 @@ namespace Discord
         /// </param>
         /// <param name="speakers">A collection of speakers for the event.</param>
         /// <param name="location">The location of the event; links are supported</param>
+        /// <param name="bannerImage">The optional banner image for the event.</param>
         /// <param name="options">The options to be used when sending the request.</param>
         /// <returns>
         ///     A task that represents the asynchronous create operation.
@@ -1118,6 +1119,7 @@ namespace Discord
             DateTimeOffset? endTime = null,
             ulong? channelId = null,
             string location = null,
+            Image? bannerImage = null,
             RequestOptions options = null);
 
         /// <summary>

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

@@ -25,5 +25,7 @@ namespace Discord.API.Rest
         public Optional<string> Description { get; set; }
         [JsonProperty("entity_type")]
         public GuildScheduledEventType Type { get; set; }
+        [JsonProperty("image")]
+        public Optional<Image> Image { get; set; }
     }
 }

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

@@ -27,5 +27,7 @@ namespace Discord.API.Rest
         public Optional<GuildScheduledEventType> Type { get; set; }
         [JsonProperty("status")]
         public Optional<GuildScheduledEventStatus> Status { get; set; }
+        [JsonProperty("image")]
+        public Optional<Image?> Image { get; set; }
     }
 }

src/Discord.Net.Rest/Entities/Guilds/GuildHelper.cs

@@ -799,7 +799,12 @@ namespace Discord.Rest
                 PrivacyLevel = args.PrivacyLevel,
                 StartTime = args.StartTime,
                 Status = args.Status,
-                Type = args.Type
+                Type = args.Type,
+                Image = args.Image.IsSpecified
+                    ? args.Image.Value.HasValue
+                        ? args.Image.Value.Value.ToModel()
+                        : null
+                    : Optional<ImageModel?>.Unspecified
             };
 
             if(args.Location.IsSpecified)
@@ -839,6 +844,7 @@ namespace Discord.Rest
             DateTimeOffset? endTime = null,
             ulong? channelId = null,
             string location = null,
+            Image? bannerImage = null,
             RequestOptions options = null)
         {
             if(location != null)
@@ -864,6 +870,7 @@ namespace Discord.Rest
             if (endTime != null && endTime <= startTime)
                 throw new ArgumentOutOfRangeException(nameof(endTime), $"{nameof(endTime)} cannot be before the start time");
 
+            
             var apiArgs = new CreateGuildScheduledEventParams()
             {
                 ChannelId = channelId ?? Optional<ulong>.Unspecified,
@@ -872,7 +879,8 @@ namespace Discord.Rest
                 Name = name,
                 PrivacyLevel = privacyLevel,
                 StartTime = startTime,
-                Type = type
+                Type = type,
+                Image = bannerImage.HasValue ? bannerImage.Value.ToModel() : Optional<ImageModel>.Unspecified
             };
 
             if(location != null)

src/Discord.Net.Rest/Entities/Guilds/RestGuild.cs

@@ -1167,6 +1167,7 @@ namespace Discord.Rest
         /// </param>
         /// <param name="speakers">A collection of speakers for the event.</param>
         /// <param name="location">The location of the event; links are supported</param>
+        /// <param name="bannerImage">The optional banner image for the event.</param>
         /// <param name="options">The options to be used when sending the request.</param>
         /// <returns>
         ///     A task that represents the asynchronous create operation.
@@ -1180,8 +1181,9 @@ namespace Discord.Rest
             DateTimeOffset? endTime = null,
             ulong? channelId = null,
             string location = null,
+            Image? bannerImage = null,
             RequestOptions options = null)
-            => GuildHelper.CreateGuildEventAsync(Discord, this, name, privacyLevel, startTime, type, description, endTime, channelId, location, options);
+            => GuildHelper.CreateGuildEventAsync(Discord, this, name, privacyLevel, startTime, type, description, endTime, channelId, location, bannerImage, options);
 
         #endregion
 
@@ -1198,8 +1200,8 @@ namespace Discord.Rest
         IReadOnlyCollection<ICustomSticker> IGuild.Stickers => Stickers;
 
         /// <inheritdoc />
-        async Task<IGuildScheduledEvent> IGuild.CreateEventAsync(string name, DateTimeOffset startTime, GuildScheduledEventType type, GuildScheduledEventPrivacyLevel privacyLevel, string description, DateTimeOffset? endTime, ulong? channelId, string location, RequestOptions options)
-            => await CreateEventAsync(name, startTime, type, privacyLevel, description, endTime, channelId, location, options).ConfigureAwait(false);
+        async Task<IGuildScheduledEvent> IGuild.CreateEventAsync(string name, DateTimeOffset startTime, GuildScheduledEventType type, GuildScheduledEventPrivacyLevel privacyLevel, string description, DateTimeOffset? endTime, ulong? channelId, string location, Image? bannerImage, RequestOptions options)
+            => await CreateEventAsync(name, startTime, type, privacyLevel, description, endTime, channelId, location, bannerImage, options).ConfigureAwait(false);
 
         /// <inheritdoc />
         async Task<IGuildScheduledEvent> IGuild.GetEventAsync(ulong id, RequestOptions options)

src/Discord.Net.WebSocket/Entities/Guilds/SocketGuild.cs

@@ -1295,6 +1295,7 @@ namespace Discord.WebSocket
         /// </param>
         /// <param name="speakers">A collection of speakers for the event.</param>
         /// <param name="location">The location of the event; links are supported</param>
+        /// <param name="bannerImage">The optional banner image for the event.</param>
         /// <param name="options">The options to be used when sending the request.</param>
         /// <returns>
         ///     A task that represents the asynchronous create operation.
@@ -1308,6 +1309,7 @@ namespace Discord.WebSocket
             DateTimeOffset? endTime = null,
             ulong? channelId = null,
             string location = null,
+            Image? bannerImage = null,
             RequestOptions options = null)
         {
             // requirements taken from https://discord.com/developers/docs/resources/guild-scheduled-event#guild-scheduled-event-permissions-requirements
@@ -1324,7 +1326,7 @@ namespace Discord.WebSocket
                     break;
             }
 
-            return GuildHelper.CreateGuildEventAsync(Discord, this, name, privacyLevel, startTime, type, description, endTime, channelId, location, options);
+            return GuildHelper.CreateGuildEventAsync(Discord, this, name, privacyLevel, startTime, type, description, endTime, channelId, location, bannerImage, options);
         }
 
 
@@ -1803,8 +1805,8 @@ namespace Discord.WebSocket
         /// <inheritdoc />
         IReadOnlyCollection<ICustomSticker> IGuild.Stickers => Stickers;
         /// <inheritdoc />
-        async Task<IGuildScheduledEvent> IGuild.CreateEventAsync(string name, DateTimeOffset startTime, GuildScheduledEventType type, GuildScheduledEventPrivacyLevel privacyLevel, string description, DateTimeOffset? endTime, ulong? channelId, string location, RequestOptions options)
-            => await CreateEventAsync(name, startTime, type, privacyLevel, description, endTime, channelId, location, options).ConfigureAwait(false);
+        async Task<IGuildScheduledEvent> IGuild.CreateEventAsync(string name, DateTimeOffset startTime, GuildScheduledEventType type, GuildScheduledEventPrivacyLevel privacyLevel, string description, DateTimeOffset? endTime, ulong? channelId, string location, Image? bannerImage, RequestOptions options)
+            => await CreateEventAsync(name, startTime, type, privacyLevel, description, endTime, channelId, location, bannerImage, options).ConfigureAwait(false);
         /// <inheritdoc />
         async Task<IGuildScheduledEvent> IGuild.GetEventAsync(ulong id, RequestOptions options)
             => await GetEventAsync(id, options).ConfigureAwait(false);