Allow moderators to moderate story levels (#809)

* Allow moderators to view story levels on website
Show comments to moderators on in-game story levels that show the levels id

* Only show LH ID comment on the first page

ProjectLighthouse.Servers.Website/Controllers/Moderator/ModerationPageController.cs

@@ -0,0 +1,35 @@
+using LBPUnion.ProjectLighthouse.Database;
+using LBPUnion.ProjectLighthouse.Types.Entities.Profile;
+using LBPUnion.ProjectLighthouse.Types.Levels;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
+
+namespace LBPUnion.ProjectLighthouse.Servers.Website.Controllers.Moderator;
+
+[ApiController]
+[Route("moderation")]
+public class ModerationPageController : ControllerBase
+{
+    private readonly DatabaseContext database;
+
+    public ModerationPageController(DatabaseContext database)
+    {
+        this.database = database;
+    }
+
+    [HttpPost("findStoryLevel")]
+    public async Task<IActionResult> FindStorySlot([FromForm] int placeholderSlotId)
+    {
+        UserEntity? user = this.database.UserFromWebRequest(this.Request);
+        if (user == null) return this.Redirect("~/login");
+
+        if (!user.IsModerator) return this.Redirect("~/");
+
+        int slotId = await this.database.Slots.Where(s => s.Type == SlotType.Developer)
+            .Where(s => s.InternalSlotId == placeholderSlotId)
+            .Select(s => s.SlotId)
+            .FirstOrDefaultAsync();
+
+        return this.Redirect(slotId == 0 ? "~/" : $"~/slot/{slotId}");
+    }
+}