Recognize display names in username cache

Data/CachedUser.cs

@@ -25,10 +25,15 @@ public class CachedUser {
     public string Username { get; set; } = null!;
 
     /// <summary>
-    /// Gets the user's discriminator value.
+    /// Gets the user's discriminator value. A value of "0000" means the user is on the new username system.
     /// </summary>
     public string Discriminator { get; set; } = null!;
 
+    /// <summary>
+    /// Gets the user's display name. A user <em>may</em> have a global name if they are on the new username system.
+    /// </summary>
+    public string? GlobalName { get; set; } = null!;
+
     /// <summary>
     /// Gets the avatar URL, if any, for the associated user.
     /// </summary>

Data/Migrations/20231115032040_NewUsernames.Designer.cs

@@ -0,0 +1,239 @@
+// <auto-generated />
+using System;
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using RegexBot.Data;
+
+#nullable disable
+
+namespace RegexBot.Data.Migrations
+{
+    [DbContext(typeof(BotDatabaseContext))]
+    [Migration("20231115032040_NewUsernames")]
+    partial class NewUsernames
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.7")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.HasPostgresEnum(modelBuilder, "mod_log_type", new[] { "other", "note", "warn", "timeout", "kick", "ban" });
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("RegexBot.Data.CachedGuildMessage", b =>
+                {
+                    b.Property<long>("MessageId")
+                        .HasColumnType("bigint")
+                        .HasColumnName("message_id");
+
+                    b.Property<List<string>>("AttachmentNames")
+                        .IsRequired()
+                        .HasColumnType("text[]")
+                        .HasColumnName("attachment_names");
+
+                    b.Property<long>("AuthorId")
+                        .HasColumnType("bigint")
+                        .HasColumnName("author_id");
+
+                    b.Property<long>("ChannelId")
+                        .HasColumnType("bigint")
+                        .HasColumnName("channel_id");
+
+                    b.Property<string>("Content")
+                        .HasColumnType("text")
+                        .HasColumnName("content");
+
+                    b.Property<DateTimeOffset>("CreatedAt")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("created_at")
+                        .HasDefaultValueSql("now()");
+
+                    b.Property<DateTimeOffset?>("EditedAt")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("edited_at");
+
+                    b.Property<long>("GuildId")
+                        .HasColumnType("bigint")
+                        .HasColumnName("guild_id");
+
+                    b.HasKey("MessageId")
+                        .HasName("pk_cache_guildmessages");
+
+                    b.HasIndex("AuthorId")
+                        .HasDatabaseName("ix_cache_guildmessages_author_id");
+
+                    b.ToTable("cache_guildmessages", (string)null);
+                });
+
+            modelBuilder.Entity("RegexBot.Data.CachedGuildUser", b =>
+                {
+                    b.Property<long>("GuildId")
+                        .HasColumnType("bigint")
+                        .HasColumnName("guild_id");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasColumnName("user_id");
+
+                    b.Property<DateTimeOffset>("FirstSeenTime")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("first_seen_time")
+                        .HasDefaultValueSql("now()");
+
+                    b.Property<DateTimeOffset>("GULastUpdateTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("gu_last_update_time");
+
+                    b.Property<string>("Nickname")
+                        .HasColumnType("text")
+                        .HasColumnName("nickname");
+
+                    b.HasKey("GuildId", "UserId")
+                        .HasName("pk_cache_usersinguild");
+
+                    b.HasIndex("UserId")
+                        .HasDatabaseName("ix_cache_usersinguild_user_id");
+
+                    b.ToTable("cache_usersinguild", (string)null);
+                });
+
+            modelBuilder.Entity("RegexBot.Data.CachedUser", b =>
+                {
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasColumnName("user_id");
+
+                    b.Property<string>("AvatarUrl")
+                        .HasColumnType("text")
+                        .HasColumnName("avatar_url");
+
+                    b.Property<string>("Discriminator")
+                        .IsRequired()
+                        .HasMaxLength(4)
+                        .HasColumnType("character(4)")
+                        .HasColumnName("discriminator")
+                        .IsFixedLength();
+
+                    b.Property<string>("GlobalName")
+                        .HasColumnType("text")
+                        .HasColumnName("global_name");
+
+                    b.Property<DateTimeOffset>("ULastUpdateTime")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("u_last_update_time");
+
+                    b.Property<string>("Username")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("username");
+
+                    b.HasKey("UserId")
+                        .HasName("pk_cache_users");
+
+                    b.ToTable("cache_users", (string)null);
+                });
+
+            modelBuilder.Entity("RegexBot.Data.ModLogEntry", b =>
+                {
+                    b.Property<int>("LogId")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer")
+                        .HasColumnName("log_id");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("LogId"));
+
+                    b.Property<long>("GuildId")
+                        .HasColumnType("bigint")
+                        .HasColumnName("guild_id");
+
+                    b.Property<string>("IssuedBy")
+                        .IsRequired()
+                        .HasColumnType("text")
+                        .HasColumnName("issued_by");
+
+                    b.Property<int>("LogType")
+                        .HasColumnType("integer")
+                        .HasColumnName("log_type");
+
+                    b.Property<string>("Message")
+                        .HasColumnType("text")
+                        .HasColumnName("message");
+
+                    b.Property<DateTimeOffset>("Timestamp")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("timestamp")
+                        .HasDefaultValueSql("now()");
+
+                    b.Property<long>("UserId")
+                        .HasColumnType("bigint")
+                        .HasColumnName("user_id");
+
+                    b.HasKey("LogId")
+                        .HasName("pk_modlogs");
+
+                    b.HasIndex("GuildId", "UserId")
+                        .HasDatabaseName("ix_modlogs_guild_id_user_id");
+
+                    b.ToTable("modlogs", (string)null);
+                });
+
+            modelBuilder.Entity("RegexBot.Data.CachedGuildMessage", b =>
+                {
+                    b.HasOne("RegexBot.Data.CachedUser", "Author")
+                        .WithMany("GuildMessages")
+                        .HasForeignKey("AuthorId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_cache_guildmessages_cache_users_author_id");
+
+                    b.Navigation("Author");
+                });
+
+            modelBuilder.Entity("RegexBot.Data.CachedGuildUser", b =>
+                {
+                    b.HasOne("RegexBot.Data.CachedUser", "User")
+                        .WithMany("Guilds")
+                        .HasForeignKey("UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_cache_usersinguild_cache_users_user_id");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("RegexBot.Data.ModLogEntry", b =>
+                {
+                    b.HasOne("RegexBot.Data.CachedGuildUser", "User")
+                        .WithMany("Logs")
+                        .HasForeignKey("GuildId", "UserId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired()
+                        .HasConstraintName("fk_modlogs_cache_usersinguild_user_temp_id");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("RegexBot.Data.CachedGuildUser", b =>
+                {
+                    b.Navigation("Logs");
+                });
+
+            modelBuilder.Entity("RegexBot.Data.CachedUser", b =>
+                {
+                    b.Navigation("GuildMessages");
+
+                    b.Navigation("Guilds");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Data/Migrations/20231115032040_NewUsernames.cs

@@ -0,0 +1,25 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace RegexBot.Data.Migrations
+{
+    public partial class NewUsernames : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<string>(
+                name: "global_name",
+                table: "cache_users",
+                type: "text",
+                nullable: true);
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "global_name",
+                table: "cache_users");
+        }
+    }
+}

Data/Migrations/BotDatabaseContextModelSnapshot.cs

@@ -120,6 +120,10 @@ namespace RegexBot.Data.Migrations
                         .HasColumnName("discriminator")
                         .IsFixedLength();
 
+                    b.Property<string>("GlobalName")
+                        .HasColumnType("text")
+                        .HasColumnName("global_name");
+
                     b.Property<DateTimeOffset>("ULastUpdateTime")
                         .HasColumnType("timestamp with time zone")
                         .HasColumnName("u_last_update_time");

RegexBot.csproj

@@ -13,7 +13,7 @@
 
   <ItemGroup>
     <PackageReference Include="CommandLineParser" Version="2.9.1" />
-    <PackageReference Include="Discord.Net" Version="3.8.1" />
+    <PackageReference Include="Discord.Net" Version="3.12.0" />
     <PackageReference Include="EFCore.NamingConventions" Version="6.0.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore" Version="6.0.7" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="6.0.7">

Services/EntityCache/UserCachingSubservice.cs

@@ -60,6 +60,7 @@ class UserCachingSubservice {
 
         uinfo.Username = user.Username;
         uinfo.Discriminator = user.Discriminator;
+        uinfo.GlobalName = user.GlobalName;
         uinfo.AvatarUrl = user.GetAvatarUrl(size: 512);
         uinfo.ULastUpdateTime = DateTimeOffset.UtcNow;
     }