[backend/database] Fixup User.alsoKnownAs

Iceshrimp.Backend/Core/Database/Migrations/20240210151527_UserAlsoKnownAsToArray.cs

@@ -0,0 +1,43 @@
+using System.Collections.Generic;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Iceshrimp.Backend.Core.Database.Migrations
+{
+    /// <inheritdoc />
+    public partial class UserAlsoKnownAsToArray : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+	        migrationBuilder.AddColumn<List<string>>(name: "alsoKnownAs_new",
+	                                                 table: "user",
+	                                                 type: "text[]",
+	                                                 nullable: true,
+	                                                 comment: "URIs the user is known as too");
+
+	        migrationBuilder.Sql("""
+	                             UPDATE "user" SET "alsoKnownAs_new" = string_to_array("alsoKnownAs", ',') WHERE "alsoKnownAs" IS NOT NULL;
+	                             ALTER TABLE "user" DROP COLUMN "alsoKnownAs";
+	                             ALTER TABLE "user" RENAME COLUMN "alsoKnownAs_new" TO "alsoKnownAs";
+	                             """);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        { 
+	        migrationBuilder.AddColumn<string>(name: "alsoKnownAs_new", 
+	                                           table: "user", 
+	                                           type: "text", 
+	                                           nullable: true, 
+	                                           comment: "URIs the user is known as too");
+	        
+	        migrationBuilder.Sql("""
+	                             UPDATE "user" SET "alsoKnownAs_new" = array_to_string("alsoKnownAs", ',') WHERE "alsoKnownAs" IS NOT NULL;
+	                             ALTER TABLE "user" DROP COLUMN "alsoKnownAs";
+	                             ALTER TABLE "user" RENAME COLUMN "alsoKnownAs_new" TO "alsoKnownAs";
+	                             """);
+        }
+    }
+}

Iceshrimp.Backend/Core/Database/Migrations/DatabaseContextModelSnapshot.cs

@@ -3760,8 +3760,8 @@ namespace Iceshrimp.Backend.Core.Database.Migrations
                         .HasColumnType("character varying(32)")
                         .HasColumnName("id");
 
-                    b.Property<string>("AlsoKnownAs")
+                    b.Property<List<string>>("AlsoKnownAs")
-                        .HasColumnType("text")
+                        .HasColumnType("text[]")
                         .HasColumnName("alsoKnownAs")
                         .HasComment("URIs the user is known as too");
 

Iceshrimp.Backend/Core/Database/Tables/User.cs

@@ -226,7 +226,7 @@ public class User : IEntity {
 	///     URIs the user is known as too
 	/// </summary>
 	[Column("alsoKnownAs")]
-	public string? AlsoKnownAs { get; set; }
+	public List<string>? AlsoKnownAs { get; set; }
 
 	/// <summary>
 	///     Whether to speak as a cat if isCat.

Iceshrimp.Backend/Core/Federation/ActivityStreams/Types/ASActor.cs

@@ -93,8 +93,7 @@ public class ASActor : ASObject {
 	public ASLink? MovedTo { get; set; }
 
 	[J("https://www.w3.org/ns/activitystreams#alsoKnownAs")]
-	[JC(typeof(ASLinkConverter))]
+	public List<ASLink>? AlsoKnownAs { get; set; } = [];
-	public ASLink? AlsoKnownAs { get; set; }
 
 	[J("http://joinmastodon.org/ns#featured")]
 	[JC(typeof(ASLinkConverter))]

Iceshrimp.Backend/Core/Services/UserService.cs

@@ -75,7 +75,7 @@ public class UserService(
 			UsernameLower = actor.Username!.ToLowerInvariant(),
 			Host          = AcctToTuple(acct).Host,
 			MovedToUri    = actor.MovedTo?.Link,
-			AlsoKnownAs   = actor.AlsoKnownAs?.Link,
+			AlsoKnownAs   = actor.AlsoKnownAs?.Where(p => p.Link != null).Select(p => p.Link!).ToList(),
 			IsExplorable  = actor.IsDiscoverable ?? false,
 			Inbox         = actor.Inbox?.Link,
 			SharedInbox   = actor.SharedInbox?.Link ?? actor.Endpoints?.SharedInbox?.Id,
@@ -137,7 +137,7 @@ public class UserService(
 		user.IsLocked      = actor.IsLocked ?? false;
 		user.IsBot         = actor.IsBot;
 		user.MovedToUri    = actor.MovedTo?.Link;
-		user.AlsoKnownAs   = actor.AlsoKnownAs?.Link;
+		user.AlsoKnownAs   = actor.AlsoKnownAs?.Where(p => p.Link != null).Select(p => p.Link!).ToList();
 		user.IsExplorable  = actor.IsDiscoverable ?? false;
 		user.FollowersUri  = actor.Followers?.Id;
 		user.IsCat         = actor.IsCat ?? false;