feat(server): snapshot worlds

Minecraft-Realms-Emulator/Entities/World.cs

@@ -18,5 +18,6 @@
         public int ActiveSlot { get; set; } = 1;
         public List<Slot> Slots { get; set; } = [];
         public bool Member { get; set; } = false;
+        public World? ParentWorld { get; set; }
     }
 }

Minecraft-Realms-Emulator/Middlewares/CheckRealmOwnerMiddleware.cs

@@ -1,4 +1,5 @@
-using Minecraft_Realms_Emulator.Attributes;
+using Microsoft.EntityFrameworkCore;
+using Minecraft_Realms_Emulator.Attributes;
 using Minecraft_Realms_Emulator.Data;
 using Minecraft_Realms_Emulator.Entities;
 
@@ -20,9 +21,9 @@ namespace Minecraft_Realms_Emulator.Middlewares
             }
 
             string playerUUID = httpContext.Request.Headers.Cookie.ToString().Split(";")[0].Split(":")[2];
-            World world = db.Worlds.Find(int.Parse(httpContext.Request.RouteValues["wId"].ToString()));
+            World world = db.Worlds.Include(w => w.ParentWorld).FirstOrDefault(w => w.Id == int.Parse(httpContext.Request.RouteValues["wId"].ToString()));
 
-            if (world != null && !attribute.IsRealmOwner(playerUUID, world.OwnerUUID))
+            if (world != null && !attribute.IsRealmOwner(playerUUID, world.ParentWorld == null ? world.OwnerUUID : world.ParentWorld.OwnerUUID))
             {
                 httpContext.Response.StatusCode = 403;
                 await httpContext.Response.WriteAsync("You don't own this world");

Minecraft-Realms-Emulator/Migrations/20240629161935_Snapshot_Worlds.Designer.cs

@@ -0,0 +1,500 @@
+// <auto-generated />
+using System;
+using System.Text.Json;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Minecraft_Realms_Emulator.Data;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace Minecraft_Realms_Emulator.Migrations
+{
+    [DbContext(typeof(DataContext))]
+    [Migration("20240629161935_Snapshot_Worlds")]
+    partial class Snapshot_Worlds
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "8.0.5")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Backup", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("BackupId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<long>("LastModifiedDate")
+                        .HasColumnType("bigint");
+
+                    b.Property<JsonDocument>("Metadata")
+                        .IsRequired()
+                        .HasColumnType("jsonb");
+
+                    b.Property<int>("Size")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("WorldId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorldId");
+
+                    b.ToTable("Backups");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Configuration", b =>
+                {
+                    b.Property<string>("Key")
+                        .HasColumnType("text");
+
+                    b.Property<object>("Value")
+                        .IsRequired()
+                        .HasColumnType("jsonb");
+
+                    b.HasKey("Key");
+
+                    b.ToTable("Configuration");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Connection", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("PendingUpdate")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("WorldId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorldId");
+
+                    b.ToTable("Connections");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Invite", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("Date")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("InvitationId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("RecipeintUUID")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("WorldId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorldId");
+
+                    b.ToTable("Invites");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Notification", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<JsonDocument>("ButtonText")
+                        .HasColumnType("jsonb");
+
+                    b.Property<bool>("Dismissable")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Image")
+                        .HasColumnType("text");
+
+                    b.Property<JsonDocument>("Message")
+                        .IsRequired()
+                        .HasColumnType("jsonb");
+
+                    b.Property<string>("NotificationUuid")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<JsonDocument>("Title")
+                        .HasColumnType("jsonb");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Url")
+                        .HasColumnType("text");
+
+                    b.Property<JsonDocument>("UrlButton")
+                        .HasColumnType("jsonb");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Notifications");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Player", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<bool>("Accepted")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("Online")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("Operator")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("Permission")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Uuid")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("WorldId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorldId");
+
+                    b.ToTable("Players");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.SeenNotification", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("NotificationUUID")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("PlayerUUID")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("SeenNotifications");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Slot", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<bool>("CommandBlocks")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("Difficulty")
+                        .HasColumnType("integer");
+
+                    b.Property<bool>("ForceGameMode")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("GameMode")
+                        .HasColumnType("integer");
+
+                    b.Property<bool>("Pvp")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("SlotId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("SlotName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("SpawnAnimals")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("SpawnMonsters")
+                        .HasColumnType("boolean");
+
+                    b.Property<bool>("SpawnNPCs")
+                        .HasColumnType("boolean");
+
+                    b.Property<int>("SpawnProtection")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("Version")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("WorldId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorldId");
+
+                    b.ToTable("Slots");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Subscription", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<DateTime>("StartDate")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("SubscriptionType")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("WorldId")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorldId")
+                        .IsUnique();
+
+                    b.ToTable("Subscriptions");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Template", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<string>("Author")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Image")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Link")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("RecommendedPlayers")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Trailer")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Type")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("Version")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.ToTable("Templates");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.World", b =>
+                {
+                    b.Property<int>("Id")
+                        .ValueGeneratedOnAdd()
+                        .HasColumnType("integer");
+
+                    NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
+
+                    b.Property<int>("ActiveSlot")
+                        .HasColumnType("integer");
+
+                    b.Property<int>("MaxPlayers")
+                        .HasColumnType("integer");
+
+                    b.Property<bool>("Member")
+                        .HasColumnType("boolean");
+
+                    b.Property<int?>("MinigameId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("MinigameImage")
+                        .HasColumnType("text");
+
+                    b.Property<string>("MinigameName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Motd")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Owner")
+                        .HasColumnType("text");
+
+                    b.Property<string>("OwnerUUID")
+                        .HasColumnType("text");
+
+                    b.Property<int?>("ParentWorldId")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("State")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("WorldType")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ParentWorldId");
+
+                    b.ToTable("Worlds");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Backup", b =>
+                {
+                    b.HasOne("Minecraft_Realms_Emulator.Entities.World", "World")
+                        .WithMany()
+                        .HasForeignKey("WorldId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("World");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Connection", b =>
+                {
+                    b.HasOne("Minecraft_Realms_Emulator.Entities.World", "World")
+                        .WithMany()
+                        .HasForeignKey("WorldId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("World");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Invite", b =>
+                {
+                    b.HasOne("Minecraft_Realms_Emulator.Entities.World", "World")
+                        .WithMany()
+                        .HasForeignKey("WorldId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("World");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Player", b =>
+                {
+                    b.HasOne("Minecraft_Realms_Emulator.Entities.World", "World")
+                        .WithMany("Players")
+                        .HasForeignKey("WorldId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("World");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Slot", b =>
+                {
+                    b.HasOne("Minecraft_Realms_Emulator.Entities.World", "World")
+                        .WithMany("Slots")
+                        .HasForeignKey("WorldId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("World");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.Subscription", b =>
+                {
+                    b.HasOne("Minecraft_Realms_Emulator.Entities.World", "World")
+                        .WithOne("Subscription")
+                        .HasForeignKey("Minecraft_Realms_Emulator.Entities.Subscription", "WorldId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("World");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.World", b =>
+                {
+                    b.HasOne("Minecraft_Realms_Emulator.Entities.World", "ParentWorld")
+                        .WithMany()
+                        .HasForeignKey("ParentWorldId");
+
+                    b.Navigation("ParentWorld");
+                });
+
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.World", b =>
+                {
+                    b.Navigation("Players");
+
+                    b.Navigation("Slots");
+
+                    b.Navigation("Subscription");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

Minecraft-Realms-Emulator/Migrations/20240629161935_Snapshot_Worlds.cs

@@ -0,0 +1,48 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace Minecraft_Realms_Emulator.Migrations
+{
+    /// <inheritdoc />
+    public partial class Snapshot_Worlds : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<int>(
+                name: "ParentWorldId",
+                table: "Worlds",
+                type: "integer",
+                nullable: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Worlds_ParentWorldId",
+                table: "Worlds",
+                column: "ParentWorldId");
+
+            migrationBuilder.AddForeignKey(
+                name: "FK_Worlds_Worlds_ParentWorldId",
+                table: "Worlds",
+                column: "ParentWorldId",
+                principalTable: "Worlds",
+                principalColumn: "Id");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropForeignKey(
+                name: "FK_Worlds_Worlds_ParentWorldId",
+                table: "Worlds");
+
+            migrationBuilder.DropIndex(
+                name: "IX_Worlds_ParentWorldId",
+                table: "Worlds");
+
+            migrationBuilder.DropColumn(
+                name: "ParentWorldId",
+                table: "Worlds");
+        }
+    }
+}

Minecraft-Realms-Emulator/Migrations/DataContextModelSnapshot.cs

@@ -390,6 +390,9 @@ namespace Minecraft_Realms_Emulator.Migrations
                     b.Property<string>("OwnerUUID")
                         .HasColumnType("text");
 
+                    b.Property<int?>("ParentWorldId")
+                        .HasColumnType("integer");
+
                     b.Property<string>("State")
                         .IsRequired()
                         .HasColumnType("text");
@@ -400,6 +403,8 @@ namespace Minecraft_Realms_Emulator.Migrations
 
                     b.HasKey("Id");
 
+                    b.HasIndex("ParentWorldId");
+
                     b.ToTable("Worlds");
                 });
 
@@ -469,6 +474,15 @@ namespace Minecraft_Realms_Emulator.Migrations
                     b.Navigation("World");
                 });
 
+            modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.World", b =>
+                {
+                    b.HasOne("Minecraft_Realms_Emulator.Entities.World", "ParentWorld")
+                        .WithMany()
+                        .HasForeignKey("ParentWorldId");
+
+                    b.Navigation("ParentWorld");
+                });
+
             modelBuilder.Entity("Minecraft_Realms_Emulator.Entities.World", b =>
                 {
                     b.Navigation("Players");

Minecraft-Realms-Emulator/Modes/External/SubscriptionsController.cs

@@ -22,7 +22,12 @@ namespace Minecraft_Realms_Emulator.Modes.External
         [CheckRealmOwner]
         public async Task<ActionResult<SubscriptionResponse>> Get(int wId)
         {
-            var world = await _context.Worlds.Include(w => w.Subscription).FirstOrDefaultAsync(w => w.Id == wId);
+            var world = await _context.Worlds.Include(w => w.Subscription).Include(w => w.ParentWorld.Subscription).FirstOrDefaultAsync(w => w.Id == wId);
+
+            if (world.ParentWorld != null)
+            {
+                world.Subscription = world.ParentWorld.Subscription;
+            }
 
             if (world?.Subscription == null) return NotFound("Subscription not found");
 

Minecraft-Realms-Emulator/Modes/External/WorldsController.cs

@@ -139,6 +139,246 @@ namespace Minecraft_Realms_Emulator.Modes.External
             return Ok(servers);
         }
 
+        [HttpGet("listUserWorldsOfType/any")]
+        public async Task<ActionResult<ServersResponse>> GetWorldsSnapshot()
+        {
+            string cookie = Request.Headers.Cookie;
+
+            string playerUUID = cookie.Split(";")[0].Split(":")[2];
+            string playerName = cookie.Split(";")[1].Split("=")[1];
+            string gameVersion = cookie.Split(";")[2].Split("=")[1];
+
+            var ownedWorlds = await _context.Worlds.Where(w => w.OwnerUUID == playerUUID || w.ParentWorld.OwnerUUID == playerUUID).Include(w => w.Subscription).Include(w => w.Slots).Include(w => w.ParentWorld).ToListAsync();
+            var memberWorlds = await _context.Players.Where(p => p.Uuid == playerUUID && p.Accepted).Include(p => p.World.Subscription).Include(p => p.World.Slots).Include(p => p.World.ParentWorld).Select(p => p.World).ToListAsync();
+
+            List<WorldResponse> allWorlds = [];
+
+            foreach (var world in ownedWorlds)
+            {
+                Slot activeSlot = world.Slots.Find(s => s.SlotId == world.ActiveSlot);
+
+                int versionsCompared = new MinecraftVersionParser.MinecraftVersion(gameVersion).CompareTo(new MinecraftVersionParser.MinecraftVersion(activeSlot?.Version ?? gameVersion));
+                string isCompatible = versionsCompared == 0 ? nameof(CompatibilityEnum.COMPATIBLE) : versionsCompared < 0 ? nameof(CompatibilityEnum.NEEDS_DOWNGRADE) : nameof(CompatibilityEnum.NEEDS_UPGRADE);
+
+                WorldResponse response = new()
+                {
+                    Id = world.Id,
+                    Owner = world.Owner,
+                    OwnerUUID = world.OwnerUUID,
+                    Name = world.Name,
+                    Motd = world.Motd,
+                    State = world.State,
+                    WorldType = world.WorldType,
+                    MaxPlayers = world.MaxPlayers,
+                    MinigameId = world.MinigameId,
+                    MinigameName = world.MinigameName,
+                    MinigameImage = world.MinigameImage,
+                    ActiveSlot = world.ActiveSlot,
+                    Member = world.Member,
+                    Players = world.Players,
+                    ActiveVersion = activeSlot?.Version ?? gameVersion,
+                    Compatibility = isCompatible
+                };
+
+                if (world.Subscription != null)
+                {
+                    response.DaysLeft = ((DateTimeOffset)world.Subscription.StartDate.AddDays(30) - DateTime.Today).Days;
+                    response.Expired = ((DateTimeOffset)world.Subscription.StartDate.AddDays(30) - DateTime.Today).Days < 0;
+                    response.ExpiredTrial = false;
+                }
+
+                if (world.ParentWorld == null)
+                {
+                    response.ParentWorldId = -1;
+                }
+
+                if (world.ParentWorld != null)
+                {
+                    response.Owner = world.ParentWorld.Owner;
+                    response.OwnerUUID = world.ParentWorld.OwnerUUID;
+                    response.ParentWorldId = world.ParentWorld.Id;
+                    response.ParentWorldName = world.ParentWorld.Name;
+                }
+
+                allWorlds.Add(response);
+            }
+
+            foreach (var world in memberWorlds)
+            {
+                Slot activeSlot = world.Slots.Find(s => s.SlotId == world.ActiveSlot);
+
+                int versionsCompared = new MinecraftVersionParser.MinecraftVersion(gameVersion).CompareTo(new MinecraftVersionParser.MinecraftVersion(activeSlot.Version));
+                string isCompatible = versionsCompared == 0 ? nameof(CompatibilityEnum.COMPATIBLE) : versionsCompared < 0 ? nameof(CompatibilityEnum.NEEDS_DOWNGRADE) : nameof(CompatibilityEnum.NEEDS_UPGRADE);
+
+                WorldResponse response = new()
+                {
+                    Id = world.Id,
+                    Owner = world.Owner,
+                    OwnerUUID = world.OwnerUUID,
+                    Name = world.Name,
+                    Motd = world.Motd,
+                    State = world.State,
+                    WorldType = world.WorldType,
+                    MaxPlayers = world.MaxPlayers,
+                    MinigameId = world.MinigameId,
+                    MinigameName = world.MinigameName,
+                    MinigameImage = world.MinigameImage,
+                    ActiveSlot = world.ActiveSlot,
+                    Member = world.Member,
+                    Players = world.Players,
+                    DaysLeft = 0,
+                    Expired = ((DateTimeOffset)world.Subscription.StartDate.AddDays(30) - DateTime.Today).Days < 0,
+                    ExpiredTrial = false,
+                    ActiveVersion = activeSlot.Version,
+                    Compatibility = isCompatible
+                };
+
+                if (world.ParentWorld == null)
+                {
+                    response.ParentWorldId = -1;
+                }
+
+                if (world.ParentWorld != null)
+                {
+                    response.Owner = world.ParentWorld.Owner;
+                    response.OwnerUUID = world.ParentWorld.OwnerUUID;
+                    response.ParentWorldId = world.ParentWorld.Id;
+                    response.ParentWorldName = world.ParentWorld.Name;
+                }
+
+                allWorlds.Add(response);
+            }
+
+            ServersResponse servers = new()
+            {
+                Servers = allWorlds
+            };
+
+            return Ok(servers);
+        }
+
+        [HttpGet("listPrereleaseEligibleWorlds")]
+        public async Task<ActionResult<ServersResponse>> GetPrereleaseWorlds()
+        {
+            string cookie = Request.Headers.Cookie;
+
+            string playerUUID = cookie.Split(";")[0].Split(":")[2];
+            string playerName = cookie.Split(";")[1].Split("=")[1];
+            string gameVersion = cookie.Split(";")[2].Split("=")[1];
+
+            var ownedWorlds = await _context.Worlds.Where(w => w.ParentWorld != null && w.ParentWorld.OwnerUUID == playerUUID).Include(w => w.Subscription).Include(w => w.Slots).Include(w => w.ParentWorld).ToListAsync();
+            var memberWorlds = await _context.Players.Where(p => p.World.ParentWorld != null && p.Uuid == playerUUID && p.Accepted).Include(p => p.World.Subscription).Include(p => p.World.Slots).Include(p => p.World.ParentWorld).Select(p => p.World).ToListAsync();
+
+            List<WorldResponse> allWorlds = [];
+
+            if (ownedWorlds.ToArray().Length == 0 && new ConfigHelper(_context).GetSetting(nameof(SettingsEnum.AutomaticRealmsCreation)).Value)
+            {
+                var parentWorld = _context.Worlds.FirstOrDefault(w => w.OwnerUUID == playerUUID && w.ParentWorld == null);
+
+                if (parentWorld != null && parentWorld.State != nameof(StateEnum.UNINITIALIZED))
+                {
+                    var world = new World
+                    {
+                        Name = parentWorld.Name,
+                        Motd = null,
+                        State = nameof(StateEnum.UNINITIALIZED),
+                        WorldType = nameof(WorldTypeEnum.NORMAL),
+                        MaxPlayers = 10,
+                        MinigameId = null,
+                        MinigameName = null,
+                        MinigameImage = null,
+                        ActiveSlot = 1,
+                        Member = false,
+                        ParentWorld = parentWorld,
+                    };
+
+                    ownedWorlds.Add(world);
+                    _context.Worlds.Add(world);
+
+                    _context.SaveChanges();
+                }
+            }
+
+            foreach (var world in ownedWorlds)
+            {
+                Slot activeSlot = world.Slots.Find(s => s.SlotId == world.ActiveSlot);
+
+                int versionsCompared = new MinecraftVersionParser.MinecraftVersion(gameVersion).CompareTo(new MinecraftVersionParser.MinecraftVersion(activeSlot?.Version ?? gameVersion));
+                string isCompatible = versionsCompared == 0 ? nameof(CompatibilityEnum.COMPATIBLE) : versionsCompared < 0 ? nameof(CompatibilityEnum.NEEDS_DOWNGRADE) : nameof(CompatibilityEnum.NEEDS_UPGRADE);
+
+                WorldResponse response = new()
+                {
+                    Id = world.Id,
+                    Owner = world.Owner,
+                    OwnerUUID = world.OwnerUUID,
+                    Name = world.Name,
+                    Motd = world.Motd,
+                    State = world.State,
+                    WorldType = world.WorldType,
+                    MaxPlayers = world.MaxPlayers,
+                    MinigameId = world.MinigameId,
+                    MinigameName = world.MinigameName,
+                    MinigameImage = world.MinigameImage,
+                    ActiveSlot = world.ActiveSlot,
+                    Member = world.Member,
+                    Players = world.Players,
+                    ActiveVersion = activeSlot?.Version ?? gameVersion,
+                    Compatibility = isCompatible,
+                    ParentWorldId = world.ParentWorld.Id,
+                    ParentWorldName = world.ParentWorld.Name,
+                };
+
+                if (world.Subscription != null)
+                {
+                    response.DaysLeft = ((DateTimeOffset)world.Subscription.StartDate.AddDays(30) - DateTime.Today).Days;
+                    response.Expired = ((DateTimeOffset)world.Subscription.StartDate.AddDays(30) - DateTime.Today).Days < 0;
+                    response.ExpiredTrial = false;
+                }
+
+                allWorlds.Add(response);
+            }
+
+            foreach (var world in memberWorlds)
+            {
+                Slot activeSlot = world.Slots.Find(s => s.SlotId == world.ActiveSlot);
+
+                int versionsCompared = new MinecraftVersionParser.MinecraftVersion(gameVersion).CompareTo(new MinecraftVersionParser.MinecraftVersion(activeSlot.Version));
+                string isCompatible = versionsCompared == 0 ? nameof(CompatibilityEnum.COMPATIBLE) : versionsCompared < 0 ? nameof(CompatibilityEnum.NEEDS_DOWNGRADE) : nameof(CompatibilityEnum.NEEDS_UPGRADE);
+
+                WorldResponse response = new()
+                {
+                    Id = world.Id,
+                    Owner = world.Owner,
+                    OwnerUUID = world.OwnerUUID,
+                    Name = world.Name,
+                    Motd = world.Motd,
+                    State = world.State,
+                    WorldType = world.WorldType,
+                    MaxPlayers = world.MaxPlayers,
+                    MinigameId = world.MinigameId,
+                    MinigameName = world.MinigameName,
+                    MinigameImage = world.MinigameImage,
+                    ActiveSlot = world.ActiveSlot,
+                    Member = world.Member,
+                    Players = world.Players,
+                    DaysLeft = 0,
+                    Expired = ((DateTimeOffset)world.Subscription.StartDate.AddDays(30) - DateTime.Today).Days < 0,
+                    ExpiredTrial = false,
+                    ActiveVersion = activeSlot.Version,
+                    Compatibility = isCompatible
+                };
+
+                allWorlds.Add(response);
+            }
+
+            ServersResponse servers = new()
+            {
+                Servers = allWorlds
+            };
+
+            return Ok(servers);
+        }
+
         [HttpGet("{wId}")]
         [CheckForWorld]
         [CheckRealmOwner]
@@ -147,7 +387,7 @@ namespace Minecraft_Realms_Emulator.Modes.External
             string cookie = Request.Headers.Cookie;
             string gameVersion = cookie.Split(";")[2].Split("=")[1];
 
-            var world = await _context.Worlds.Include(w => w.Players).Include(w => w.Subscription).Include(w => w.Slots).FirstOrDefaultAsync(w => w.Id == wId);
+            var world = await _context.Worlds.Include(w => w.Players).Include(w => w.Subscription).Include(w => w.Slots).Include(w => w.ParentWorld.Subscription).FirstOrDefaultAsync(w => w.Id == wId);
 
             Slot activeSlot = world.Slots.Find(s => s.SlotId == world.ActiveSlot);
 
@@ -181,6 +421,11 @@ namespace Minecraft_Realms_Emulator.Modes.External
 
             var activeSlotOptions = JsonConvert.DeserializeObject<SlotOptionsResponse>(slots.Find(s => s.SlotId == activeSlot.SlotId).Options);
 
+            if (world.ParentWorld != null)
+            {
+                world.Subscription = world.ParentWorld.Subscription;
+            }
+
             WorldResponse response = new()
             {
                 Id = world.Id,
@@ -279,6 +524,80 @@ namespace Minecraft_Realms_Emulator.Modes.External
             return Ok(world);
         }
 
+        [HttpPost("{wId}/createPrereleaseRealm")]
+        [CheckForWorld]
+        [CheckRealmOwner]
+        public async Task<ActionResult<World>> CreatePrereleaseRealms(int wId)
+        {
+            string cookie = Request.Headers.Cookie;
+            string gameVersion = cookie.Split(";")[2].Split("=")[1];
+
+            var worlds = await _context.Worlds.ToListAsync();
+
+            var world = worlds.Find(w => w.Id == wId);
+
+            if (world.ParentWorld.State == nameof(StateEnum.UNINITIALIZED))
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 401,
+                    ErrorMsg = "You must initialize release world first",
+                };
+
+                return StatusCode(401, errorResponse);
+            }
+
+            if (world.State != nameof(StateEnum.UNINITIALIZED))
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 401,
+                    ErrorMsg = "A prerealease realm is already created for this world",
+                };
+
+                return StatusCode(401, errorResponse);
+            }
+
+            world.Name = $"[PRE] {world.ParentWorld.Name}";
+            world.Motd = $"[PRE] {world.ParentWorld.Motd}";
+            world.State = nameof(StateEnum.OPEN);
+
+            var config = new ConfigHelper(_context);
+            var defaultServerAddress = config.GetSetting(nameof(SettingsEnum.DefaultServerAddress));
+
+            var connection = new Connection
+            {
+                World = world,
+                Address = defaultServerAddress.Value
+            };
+
+            Slot slot = new()
+            {
+                World = world,
+                SlotId = 1,
+                SlotName = "",
+                Version = gameVersion,
+                GameMode = 0,
+                Difficulty = 2,
+                SpawnProtection = 0,
+                ForceGameMode = false,
+                Pvp = true,
+                SpawnAnimals = true,
+                SpawnMonsters = true,
+                SpawnNPCs = true,
+                CommandBlocks = false
+            };
+
+            _context.Worlds.Update(world);
+
+            _context.Connections.Add(connection);
+            _context.Slots.Add(slot);
+
+            _context.SaveChanges();
+
+            return Ok(world);
+        }
+
         [HttpPost("{wId}/reset")]
         [CheckForWorld]
         [CheckRealmOwner]
@@ -464,6 +783,20 @@ namespace Minecraft_Realms_Emulator.Modes.External
         {
             var world = _context.Worlds.Find(wId);
 
+            if (world.ParentWorld == null)
+            {
+                var snapshotWorld = _context.Worlds.FirstOrDefault(w => w.ParentWorld.Id == wId);
+
+                if (snapshotWorld != null)
+                {
+                    _context.Worlds.Remove(snapshotWorld);
+                }
+            }
+            else
+            {
+                _context.Worlds.Remove(world.ParentWorld);
+            }
+
             _context.Worlds.Remove(world);
             _context.SaveChanges();
 

Minecraft-Realms-Emulator/Modes/Realms/Controllers/SubscriptionsController.cs

@@ -22,7 +22,12 @@ namespace Minecraft_Realms_Emulator.Modes.Realms.Controllers
         [CheckRealmOwner]
         public async Task<ActionResult<SubscriptionResponse>> Get(int wId)
         {
-            var world = await _context.Worlds.Include(w => w.Subscription).FirstOrDefaultAsync(w => w.Id == wId);
+            var world = await _context.Worlds.Include(w => w.Subscription).Include(w => w.ParentWorld.Subscription).FirstOrDefaultAsync(w => w.Id == wId);
+
+            if (world.ParentWorld != null)
+            {
+                world.Subscription = world.ParentWorld.Subscription;
+            }
 
             if (world?.Subscription == null) return NotFound("Subscription not found");
 

Minecraft-Realms-Emulator/Modes/Realms/Controllers/WorldsController.cs

@@ -142,6 +142,246 @@ namespace Minecraft_Realms_Emulator.Modes.Realms.Controllers
             return Ok(servers);
         }
 
+        [HttpGet("listUserWorldsOfType/any")]
+        public async Task<ActionResult<ServersResponse>> GetWorldsSnapshot()
+        {
+            string cookie = Request.Headers.Cookie;
+
+            string playerUUID = cookie.Split(";")[0].Split(":")[2];
+            string playerName = cookie.Split(";")[1].Split("=")[1];
+            string gameVersion = cookie.Split(";")[2].Split("=")[1];
+
+            var ownedWorlds = await _context.Worlds.Where(w => w.OwnerUUID == playerUUID || w.ParentWorld.OwnerUUID == playerUUID).Include(w => w.Subscription).Include(w => w.Slots).Include(w => w.ParentWorld).ToListAsync();
+            var memberWorlds = await _context.Players.Where(p => p.Uuid == playerUUID && p.Accepted).Include(p => p.World.Subscription).Include(p => p.World.Slots).Include(p => p.World.ParentWorld).Select(p => p.World).ToListAsync();
+
+            List<WorldResponse> allWorlds = [];
+
+            foreach (var world in ownedWorlds)
+            {
+                Slot activeSlot = world.Slots.Find(s => s.SlotId == world.ActiveSlot);
+
+                int versionsCompared = new MinecraftVersionParser.MinecraftVersion(gameVersion).CompareTo(new MinecraftVersionParser.MinecraftVersion(activeSlot?.Version ?? gameVersion));
+                string isCompatible = versionsCompared == 0 ? nameof(CompatibilityEnum.COMPATIBLE) : versionsCompared < 0 ? nameof(CompatibilityEnum.NEEDS_DOWNGRADE) : nameof(CompatibilityEnum.NEEDS_UPGRADE);
+
+                WorldResponse response = new()
+                {
+                    Id = world.Id,
+                    Owner = world.Owner,
+                    OwnerUUID = world.OwnerUUID,
+                    Name = world.Name,
+                    Motd = world.Motd,
+                    State = world.State,
+                    WorldType = world.WorldType,
+                    MaxPlayers = world.MaxPlayers,
+                    MinigameId = world.MinigameId,
+                    MinigameName = world.MinigameName,
+                    MinigameImage = world.MinigameImage,
+                    ActiveSlot = world.ActiveSlot,
+                    Member = world.Member,
+                    Players = world.Players,
+                    ActiveVersion = activeSlot?.Version ?? gameVersion,
+                    Compatibility = isCompatible
+                };
+
+                if (world.Subscription != null)
+                {
+                    response.DaysLeft = ((DateTimeOffset)world.Subscription.StartDate.AddDays(30) - DateTime.Today).Days;
+                    response.Expired = ((DateTimeOffset)world.Subscription.StartDate.AddDays(30) - DateTime.Today).Days < 0;
+                    response.ExpiredTrial = false;
+                }
+
+                if (world.ParentWorld == null)
+                {
+                    response.ParentWorldId = -1;
+                }
+
+                if (world.ParentWorld != null)
+                {
+                    response.Owner = world.ParentWorld.Owner;
+                    response.OwnerUUID = world.ParentWorld.OwnerUUID;
+                    response.ParentWorldId = world.ParentWorld.Id;
+                    response.ParentWorldName = world.ParentWorld.Name;
+                }
+
+                allWorlds.Add(response);
+            }
+
+            foreach (var world in memberWorlds)
+            {
+                Slot activeSlot = world.Slots.Find(s => s.SlotId == world.ActiveSlot);
+
+                int versionsCompared = new MinecraftVersionParser.MinecraftVersion(gameVersion).CompareTo(new MinecraftVersionParser.MinecraftVersion(activeSlot.Version));
+                string isCompatible = versionsCompared == 0 ? nameof(CompatibilityEnum.COMPATIBLE) : versionsCompared < 0 ? nameof(CompatibilityEnum.NEEDS_DOWNGRADE) : nameof(CompatibilityEnum.NEEDS_UPGRADE);
+
+                WorldResponse response = new()
+                {
+                    Id = world.Id,
+                    Owner = world.Owner,
+                    OwnerUUID = world.OwnerUUID,
+                    Name = world.Name,
+                    Motd = world.Motd,
+                    State = world.State,
+                    WorldType = world.WorldType,
+                    MaxPlayers = world.MaxPlayers,
+                    MinigameId = world.MinigameId,
+                    MinigameName = world.MinigameName,
+                    MinigameImage = world.MinigameImage,
+                    ActiveSlot = world.ActiveSlot,
+                    Member = world.Member,
+                    Players = world.Players,
+                    DaysLeft = 0,
+                    Expired = ((DateTimeOffset)world.Subscription.StartDate.AddDays(30) - DateTime.Today).Days < 0,
+                    ExpiredTrial = false,
+                    ActiveVersion = activeSlot.Version,
+                    Compatibility = isCompatible
+                };
+
+                if (world.ParentWorld == null)
+                {
+                    response.ParentWorldId = -1;
+                }
+
+                if (world.ParentWorld != null)
+                {
+                    response.Owner = world.ParentWorld.Owner;
+                    response.OwnerUUID = world.ParentWorld.OwnerUUID;
+                    response.ParentWorldId = world.ParentWorld.Id;
+                    response.ParentWorldName = world.ParentWorld.Name;
+                }
+
+                allWorlds.Add(response);
+            }
+
+            ServersResponse servers = new()
+            {
+                Servers = allWorlds
+            };
+
+            return Ok(servers);
+        }
+
+        [HttpGet("listPrereleaseEligibleWorlds")]
+        public async Task<ActionResult<ServersResponse>> GetPrereleaseWorlds()
+        {
+            string cookie = Request.Headers.Cookie;
+
+            string playerUUID = cookie.Split(";")[0].Split(":")[2];
+            string playerName = cookie.Split(";")[1].Split("=")[1];
+            string gameVersion = cookie.Split(";")[2].Split("=")[1];
+
+            var ownedWorlds = await _context.Worlds.Where(w => w.ParentWorld != null && w.ParentWorld.OwnerUUID == playerUUID).Include(w => w.Subscription).Include(w => w.Slots).Include(w => w.ParentWorld).ToListAsync();
+            var memberWorlds = await _context.Players.Where(p => p.World.ParentWorld != null && p.Uuid == playerUUID && p.Accepted).Include(p => p.World.Subscription).Include(p => p.World.Slots).Include(p => p.World.ParentWorld).Select(p => p.World).ToListAsync();
+
+            List<WorldResponse> allWorlds = [];
+
+            if (ownedWorlds.ToArray().Length == 0 && new ConfigHelper(_context).GetSetting(nameof(SettingsEnum.AutomaticRealmsCreation)).Value)
+            {
+                var parentWorld = _context.Worlds.FirstOrDefault(w => w.OwnerUUID == playerUUID && w.ParentWorld == null);
+
+                if (parentWorld != null && parentWorld.State != nameof(StateEnum.UNINITIALIZED))
+                {
+                    var world = new World
+                    {
+                        Name = parentWorld.Name,
+                        Motd = null,
+                        State = nameof(StateEnum.UNINITIALIZED),
+                        WorldType = nameof(WorldTypeEnum.NORMAL),
+                        MaxPlayers = 10,
+                        MinigameId = null,
+                        MinigameName = null,
+                        MinigameImage = null,
+                        ActiveSlot = 1,
+                        Member = false,
+                        ParentWorld = parentWorld,
+                    };
+
+                    ownedWorlds.Add(world);
+                    _context.Worlds.Add(world);
+
+                    _context.SaveChanges();
+                }
+            }
+
+            foreach (var world in ownedWorlds)
+            {
+                Slot activeSlot = world.Slots.Find(s => s.SlotId == world.ActiveSlot);
+
+                int versionsCompared = new MinecraftVersionParser.MinecraftVersion(gameVersion).CompareTo(new MinecraftVersionParser.MinecraftVersion(activeSlot?.Version ?? gameVersion));
+                string isCompatible = versionsCompared == 0 ? nameof(CompatibilityEnum.COMPATIBLE) : versionsCompared < 0 ? nameof(CompatibilityEnum.NEEDS_DOWNGRADE) : nameof(CompatibilityEnum.NEEDS_UPGRADE);
+
+                WorldResponse response = new()
+                {
+                    Id = world.Id,
+                    Owner = world.Owner,
+                    OwnerUUID = world.OwnerUUID,
+                    Name = world.Name,
+                    Motd = world.Motd,
+                    State = world.State,
+                    WorldType = world.WorldType,
+                    MaxPlayers = world.MaxPlayers,
+                    MinigameId = world.MinigameId,
+                    MinigameName = world.MinigameName,
+                    MinigameImage = world.MinigameImage,
+                    ActiveSlot = world.ActiveSlot,
+                    Member = world.Member,
+                    Players = world.Players,
+                    ActiveVersion = activeSlot?.Version ?? gameVersion,
+                    Compatibility = isCompatible,
+                    ParentWorldId = world.ParentWorld.Id,
+                    ParentWorldName = world.ParentWorld.Name,
+                };
+
+                if (world.Subscription != null)
+                {
+                    response.DaysLeft = ((DateTimeOffset)world.Subscription.StartDate.AddDays(30) - DateTime.Today).Days;
+                    response.Expired = ((DateTimeOffset)world.Subscription.StartDate.AddDays(30) - DateTime.Today).Days < 0;
+                    response.ExpiredTrial = false;
+                }
+
+                allWorlds.Add(response);
+            }
+
+            foreach (var world in memberWorlds)
+            {
+                Slot activeSlot = world.Slots.Find(s => s.SlotId == world.ActiveSlot);
+
+                int versionsCompared = new MinecraftVersionParser.MinecraftVersion(gameVersion).CompareTo(new MinecraftVersionParser.MinecraftVersion(activeSlot.Version));
+                string isCompatible = versionsCompared == 0 ? nameof(CompatibilityEnum.COMPATIBLE) : versionsCompared < 0 ? nameof(CompatibilityEnum.NEEDS_DOWNGRADE) : nameof(CompatibilityEnum.NEEDS_UPGRADE);
+
+                WorldResponse response = new()
+                {
+                    Id = world.Id,
+                    Owner = world.Owner,
+                    OwnerUUID = world.OwnerUUID,
+                    Name = world.Name,
+                    Motd = world.Motd,
+                    State = world.State,
+                    WorldType = world.WorldType,
+                    MaxPlayers = world.MaxPlayers,
+                    MinigameId = world.MinigameId,
+                    MinigameName = world.MinigameName,
+                    MinigameImage = world.MinigameImage,
+                    ActiveSlot = world.ActiveSlot,
+                    Member = world.Member,
+                    Players = world.Players,
+                    DaysLeft = 0,
+                    Expired = ((DateTimeOffset)world.Subscription.StartDate.AddDays(30) - DateTime.Today).Days < 0,
+                    ExpiredTrial = false,
+                    ActiveVersion = activeSlot.Version,
+                    Compatibility = isCompatible
+                };
+
+                allWorlds.Add(response);
+            }
+
+            ServersResponse servers = new()
+            {
+                Servers = allWorlds
+            };
+
+            return Ok(servers);
+        }
+
         [HttpGet("{wId}")]
         [CheckForWorld]
         [CheckRealmOwner]
@@ -150,7 +390,7 @@ namespace Minecraft_Realms_Emulator.Modes.Realms.Controllers
             string cookie = Request.Headers.Cookie;
             string gameVersion = cookie.Split(";")[2].Split("=")[1];
 
-            var world = await _context.Worlds.Include(w => w.Players).Include(w => w.Subscription).Include(w => w.Slots).FirstOrDefaultAsync(w => w.Id == wId);
+            var world = await _context.Worlds.Include(w => w.Players).Include(w => w.Subscription).Include(w => w.Slots).Include(w => w.ParentWorld.Subscription).FirstOrDefaultAsync(w => w.Id == wId);
 
             Slot activeSlot = world.Slots.Find(s => s.SlotId == world.ActiveSlot);
 
@@ -184,6 +424,11 @@ namespace Minecraft_Realms_Emulator.Modes.Realms.Controllers
 
             var activeSlotOptions = JsonConvert.DeserializeObject<SlotOptionsResponse>(slots.Find(s => s.SlotId == activeSlot.SlotId).Options);
 
+            if (world.ParentWorld != null)
+            {
+                world.Subscription = world.ParentWorld.Subscription;
+            }
+
             WorldResponse response = new()
             {
                 Id = world.Id,
@@ -294,6 +539,91 @@ namespace Minecraft_Realms_Emulator.Modes.Realms.Controllers
             return Ok(world);
         }
 
+        [HttpPost("{wId}/createPrereleaseRealm")]
+        [CheckForWorld]
+        [CheckRealmOwner]
+        public async Task<ActionResult<World>> CreatePrereleaseRealms(int wId)
+        {
+            string cookie = Request.Headers.Cookie;
+            string gameVersion = cookie.Split(";")[2].Split("=")[1];
+
+            var worlds = await _context.Worlds.ToListAsync();
+
+            var world = worlds.Find(w => w.Id == wId);
+
+            if (world.ParentWorld.State == nameof(StateEnum.UNINITIALIZED))
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 401,
+                    ErrorMsg = "You must initialize release world first",
+                };
+
+                return StatusCode(401, errorResponse);
+            }
+
+            if (world.State != nameof(StateEnum.UNINITIALIZED))
+            {
+                ErrorResponse errorResponse = new()
+                {
+                    ErrorCode = 401,
+                    ErrorMsg = "A prerealease realm is already created for this world",
+                };
+
+                return StatusCode(401, errorResponse);
+            }
+
+            world.Name = $"[PRE] {world.ParentWorld.Name}";
+            world.Motd = $"[PRE] {world.ParentWorld.Motd}";
+            world.State = nameof(StateEnum.OPEN);
+
+            var config = new ConfigHelper(_context);
+            var defaultServerAddress = config.GetSetting(nameof(SettingsEnum.DefaultServerAddress));
+
+            static int FindFreeTcpPort()
+            {
+                TcpListener l = new(IPAddress.Loopback, 0);
+                l.Start();
+                int port = ((IPEndPoint)l.LocalEndpoint).Port;
+                l.Stop();
+                return port;
+            }
+
+            var port = FindFreeTcpPort();
+
+            var connection = new Connection
+            {
+                World = world,
+                Address = $"{defaultServerAddress.Value}:{port}"
+            };
+
+            Slot slot = new()
+            {
+                World = world,
+                SlotId = 1,
+                SlotName = "",
+                Version = gameVersion,
+                GameMode = 0,
+                Difficulty = 2,
+                SpawnProtection = 0,
+                ForceGameMode = false,
+                Pvp = true,
+                SpawnAnimals = true,
+                SpawnMonsters = true,
+                SpawnNPCs = true,
+                CommandBlocks = false
+            };
+
+            _context.Worlds.Update(world);
+
+            _context.Connections.Add(connection);
+            _context.Slots.Add(slot);
+
+            _context.SaveChanges();
+
+            return Ok(world);
+        }
+
         [HttpPost("{wId}/reset")]
         [CheckForWorld]
         [CheckRealmOwner]
@@ -522,6 +852,22 @@ namespace Minecraft_Realms_Emulator.Modes.Realms.Controllers
         {
             var world = _context.Worlds.Find(wId);
 
+            if (world.ParentWorld == null)
+            {
+                var snapshotWorld = _context.Worlds.FirstOrDefault(w => w.ParentWorld.Id == wId);
+
+                if (snapshotWorld != null)
+                {
+                    new DockerHelper(snapshotWorld).DeleteServer();
+                    _context.Worlds.Remove(snapshotWorld);
+                }
+            }
+            else
+            {
+                new DockerHelper(world.ParentWorld).DeleteServer();
+                _context.Worlds.Remove(world.ParentWorld);
+            }
+
             new DockerHelper(world).DeleteServer();
 
             _context.Worlds.Remove(world);

Minecraft-Realms-Emulator/Responses/WorldResponse.cs

@@ -11,5 +11,7 @@ namespace Minecraft_Realms_Emulator.Entities
         public string Compatibility { get; set; } = null!;
         public List<SlotResponse> Slots { get; set; } = null!;
         public string ActiveVersion { get; set; } = null!;
+        public int? ParentWorldId { get; set; }
+        public string? ParentWorldName { get; set; }
     }
 }