Quick diagnostics controller

api/DiagnosticsController.cs

@@ -0,0 +1,77 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc;
+using Microsoft.CodeAnalysis;
+
+namespace Jeffpardy
+{
+    [ApiController]
+    [Route("api/Diagnostics")]
+    public class DiagnosticsController : Controller
+    {
+        [HttpGet]
+        public JeffpardyDiagnostics GetDiagnostics()
+        {
+            return new JeffpardyDiagnostics();
+        }
+
+    }
+
+    public class JeffpardyDiagnostics
+    {
+        public int NumJeopardyCategories
+        {
+            get
+            {
+                return SeasonManifestCache.Instance.JeopardyCategoryList.Count;
+            }
+        }
+
+        public int NumSuperJeffpardyCategories
+        {
+            get
+            {
+                return SeasonManifestCache.Instance.DoubleJeopardyCategoryList.Count;
+            }
+        }
+
+        public int NumFinalJeffpardyCategories
+        {
+            get
+            {
+                return SeasonManifestCache.Instance.FinalJeopardyCategoryList.Count;
+            }
+        }
+
+        public int NumCategories
+        {
+            get
+            {
+                return SeasonManifestCache.Instance.JeopardyCategoryList.Count +
+                       SeasonManifestCache.Instance.DoubleJeopardyCategoryList.Count +
+                       SeasonManifestCache.Instance.FinalJeopardyCategoryList.Count;
+            }
+        }
+
+        public DateTime OldestCategory
+        {
+            get
+            {
+                var allCategories = SeasonManifestCache.Instance.JeopardyCategoryList.Concat(SeasonManifestCache.Instance.DoubleJeopardyCategoryList).Concat(SeasonManifestCache.Instance.FinalJeopardyCategoryList);
+                return allCategories.Min(c => c.AirDate);
+            }
+        }
+
+        public DateTime NewestCategory
+        {
+            get
+            {
+                var allCategories = SeasonManifestCache.Instance.JeopardyCategoryList.Concat(SeasonManifestCache.Instance.DoubleJeopardyCategoryList).Concat(SeasonManifestCache.Instance.FinalJeopardyCategoryList);
+                return allCategories.Max(c => c.AirDate);
+            }
+        }
+    }
+}