AccessQueueService/Data/AccessQueueRepository.cs

@@ -179,21 +179,19 @@ namespace AccessQueueService.Data
             _nextUnusedTicket = newIndex;
         }
 
-        public AccessQueueRepositoryState ToState()
+        public string ToState()
         {
-            var accessTickets = new Dictionary<string, AccessTicket>(_accessTickets);
-            var accessQueue = new Dictionary<ulong, AccessTicket>(_accessQueue);
-
-            var state = new AccessQueueRepositoryState
+            var state = new TakeANumberAccessQueueRepoState
             {
                 AccessTickets = new Dictionary<string, AccessTicket>(_accessTickets),
                 AccessQueue = new Dictionary<ulong, AccessTicket>(_accessQueue),
             };
-            return state;
+            return JsonSerializer.Serialize(state);
         }
 
-        public static AccessQueueRepository FromState(AccessQueueRepositoryState state)
+        public static AccessQueueRepository FromState(string stateJson)
         {
+            var state = JsonSerializer.Deserialize<TakeANumberAccessQueueRepoState?>(stateJson);
             if (state?.AccessTickets == null || state?.AccessQueue == null)
             {
                 return new();

AccessQueueService/Models/TakeANumberAccessQueueRepoState.cs

@@ -1,11 +1,8 @@
 namespace AccessQueueService.Models
 {
-    public class AccessQueueRepositoryState
+    public class TakeANumberAccessQueueRepoState
     {
         public Dictionary<string, AccessTicket> AccessTickets { get; set; } = [];
         public Dictionary<ulong, AccessTicket> AccessQueue { get; set; } = [];
-        public int UnexpiredTicketsCount { get; set; }
-        public int ActiveTicketsCount { get; set; }
-        public int QueueCount { get; set; }
     }
 }

AccessQueueService/Program.cs

@@ -1,6 +1,4 @@
-using System.Text.Json;
 using AccessQueueService.Data;
-using AccessQueueService.Models;
 using AccessQueueService.Services;
 using Serilog;
 
@@ -26,14 +24,8 @@ builder.Services.AddSingleton<AccessQueueRepository>(sp =>
     {
         try
         {
-            string json = File.ReadAllText(filePath);
-            var state = JsonSerializer.Deserialize<AccessQueueRepositoryState>(json);
-            if (state == null)
-            {
-                Console.WriteLine($"Failed to load state from {filePath}. Deserialized object was null.");
-                return new AccessQueueRepository();
-            }
-            return AccessQueueRepository.FromState(state);
+            var json = File.ReadAllText(filePath);
+            return AccessQueueRepository.FromState(json);
         }
         catch (Exception ex)
         {

AccessQueueService/Services/AccessQueueSerializerService.cs

@@ -30,7 +30,7 @@ namespace AccessQueueService.Services
                 {
                     _logger.LogInformation($"Writing backup to {backupPath}");
                     var stateJson = _accessRepo.ToState();
-                    File.WriteAllText(backupPath, JsonSerializer.Serialize(stateJson));
+                    File.WriteAllText(backupPath, stateJson);
                 }
                 catch (Exception ex)
                 {

AccessQueueServiceTests/AccessQueueRepoTests.cs

@@ -287,7 +287,8 @@ namespace AccessQueueServiceTests
             _repo.UpsertTicket(ticketWithAccess);
             _repo.Enqueue(ticketWithoutAccess);
 
-            var state = _repo.ToState();
+            string stateJson = _repo.ToState();
+            var state = JsonSerializer.Deserialize<TakeANumberAccessQueueRepoState>(stateJson);
 
             Assert.NotNull(state?.AccessQueue);
             Assert.NotNull(state?.AccessTickets);
@@ -311,8 +312,8 @@ namespace AccessQueueServiceTests
             _repo.UpsertTicket(ticketWithAccess);
             _repo.Enqueue(ticketWithoutAccess);
 
-            var state = _repo.ToState();
-            var deserializedRepo = AccessQueueRepository.FromState(state);
+            string stateJson = _repo.ToState();
+            var deserializedRepo = AccessQueueRepository.FromState(stateJson);
 
             Assert.Equal(1, deserializedRepo.GetUnexpiredTicketsCount());
             Assert.Equal(1, deserializedRepo.GetQueueCount());