Основа для ASP-сайта для просмотра сущностей

Pf2eWeb/Pages/Index.cshtml.cs

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+using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.RazorPages;
+using Pf2eModel;
+using Pf2eModel.Model.Enum;
+
+namespace Pf2eWeb.Pages;
+
+public class IndexModel : PageModel
+{
+    private readonly ILogger<IndexModel> _logger;
+
+    public readonly Pf2eDbContext Context;
+
+    public Dictionary<EntityType, int> Data { get; set; } = new();
+
+    public IndexModel(ILogger<IndexModel> logger, Pf2eDbContext context)
+    {
+        _logger = logger;
+        Context = context;
+    }
+
+    public void OnGet()
+    {
+        Data = Context
+            .Entities.GroupBy(e => e.Type)
+            .ToDictionary(entities => entities.Key, entities => entities.Count());
+    }
+}