add legacy_username user field

src/api/routes/users/#id/profile.ts

@@ -111,6 +111,7 @@ router.get(
 			user_profile: userProfile,
 			guild_member: guild_member?.toPublicMember(),
 			guild_member_profile: guild_id && guildMemberProfile,
+			legacy_username: user.legacy_username, // part of the uniqueUsernames feature, only used for migrated accounts
 		});
 	},
 );

src/util/entities/User.ts

@@ -38,6 +38,7 @@ import { UserSettings } from "./UserSettings";
 export enum PublicUserEnum {
 	username,
 	global_name,
+	legacy_username,
 	discriminator,
 	id,
 	public_flags,
@@ -92,7 +93,10 @@ export class User extends BaseClass {
 	username: string; // username max length 32, min 2 (should be configurable)
 
 	@Column({ nullable: true })
-	global_name?: string; // puyo: uniqueUsernames
+	global_name?: string; // puyo: part of the uniqueUsernames feature, this is the users "nickname"
+
+	@Column({ nullable: true })
+	legacy_username?: string; // puyo: part of the uniqueUsernames feature, shows the users old username (only used for migrated accounts)
 
 	@Column()
 	discriminator: string; // opaque string: 4 digits on discord.com, 0 for uniqueUsernames