Update Guild and Message Models (#1165)

* Add ExplicitContentFilter property to Guild

* re-order properties to match order listed on api docs

* re-order SystemChannelId to match api docs

* Implement ApplicationId in Guild model

* Add ExplicitContentFilter property to Guild

* re-order properties to match order listed on api docs

* re-order SystemChannelId to match api docs

* Implement ApplicationId in Guild model

* Improve xmldoc for IGuild ExplicitContentFilter

* Update xmldoc

* docs "Id" -> "ID"

* rename Test.GuildPermissions to a more general Test.Guilds

* Add ExplicitContentFilter to GuildProperties

* Add a test for ExplicitContentFilterLevel modification behavior

* Implement ModifyAsync behavior

* simplify ExplicitContentFilter test

* Add RestGuild ApplicationId inheritdoc

* Implement message Activity and Application model update

* RestMessage Application and Activity implementation

* add ToString to MessageApplication

* Add IconUrl property to MessageApplication

* clean up whitespace

* another excessive whitespace removal

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

@@ -32,7 +32,8 @@ namespace Discord.Rest
                 Icon = args.Icon.IsSpecified ? args.Icon.Value?.ToModel() : Optional.Create<ImageModel?>(),
                 Name = args.Name,
                 Splash = args.Splash.IsSpecified ? args.Splash.Value?.ToModel() : Optional.Create<ImageModel?>(),
-                VerificationLevel = args.VerificationLevel
+                VerificationLevel = args.VerificationLevel,
+                ExplicitContentFilter = args.ExplicitContentFilter
             };
 
             if (args.AfkChannel.IsSpecified)
@@ -60,6 +61,9 @@ namespace Discord.Rest
             if (!apiArgs.Icon.IsSpecified && guild.IconId != null)
                 apiArgs.Icon = new ImageModel(guild.IconId);
 
+            if (args.ExplicitContentFilter.IsSpecified)
+                apiArgs.ExplicitContentFilter = args.ExplicitContentFilter.Value;
+
             return await client.ApiClient.ModifyGuildAsync(guild.Id, apiArgs, options).ConfigureAwait(false);
         }
         /// <exception cref="ArgumentNullException"><paramref name="func"/> is <c>null</c>.</exception>

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

@@ -32,6 +32,8 @@ namespace Discord.Rest
         public MfaLevel MfaLevel { get; private set; }
         /// <inheritdoc />
         public DefaultMessageNotifications DefaultMessageNotifications { get; private set; }
+        /// <inheritdoc />
+        public ExplicitContentFilterLevel ExplicitContentFilter { get; private set; }
 
         /// <inheritdoc />
         public ulong? AFKChannelId { get; private set; }
@@ -48,6 +50,8 @@ namespace Discord.Rest
         /// <inheritdoc />
         public string SplashId { get; private set; }
         internal bool Available { get; private set; }
+        /// <inheritdoc />
+        public ulong? ApplicationId { get; private set; }
 
         /// <inheritdoc />
         public DateTimeOffset CreatedAt => SnowflakeUtils.FromSnowflake(Id);
@@ -98,6 +102,8 @@ namespace Discord.Rest
             VerificationLevel = model.VerificationLevel;
             MfaLevel = model.MfaLevel;
             DefaultMessageNotifications = model.DefaultMessageNotifications;
+            ExplicitContentFilter = model.ExplicitContentFilter;
+            ApplicationId = model.ApplicationId;
 
             if (model.Emojis != null)
             {

src/Discord.Net.Rest/Entities/Messages/RestMessage.cs

@@ -55,6 +55,10 @@ namespace Discord.Rest
 
         /// <inheritdoc />
         public DateTimeOffset Timestamp => DateTimeUtils.FromTicks(_timestampTicks);
+        /// <inheritdoc />
+        public MessageActivity Activity { get; private set; }
+        /// <inheritdoc />
+        public MessageApplication Application { get; private set; }
 
         internal RestMessage(BaseDiscordClient discord, ulong id, IMessageChannel channel, IUser author, MessageSource source)
             : base(discord, id)
@@ -77,6 +81,29 @@ namespace Discord.Rest
 
             if (model.Content.IsSpecified)
                 Content = model.Content.Value;
+
+            if (model.Application.IsSpecified)
+            {
+                // create a new Application from the API model
+                Application = new MessageApplication()
+                {
+                    Id = model.Application.Value.Id,
+                    CoverImage = model.Application.Value.CoverImage,
+                    Description = model.Application.Value.Description,
+                    Icon = model.Application.Value.Icon,
+                    Name = model.Application.Value.Name
+                };
+            }
+
+            if (model.Activity.IsSpecified)
+            {
+                // create a new Activity from the API model
+                Activity = new MessageActivity()
+                {
+                    Type = model.Activity.Value.Type.Value,
+                    PartyId = model.Activity.Value.PartyId.Value
+                };
+            }
         }
 
         /// <inheritdoc />