Switch some classes to records, fix first page results

Author: webprofusion-chrisc

src/Certify.Models/Hub/ManagedCertificateSummary.cs

@@ -6,7 +6,7 @@ namespace Certify.Models.Hub
     /// <summary>
     /// Summary information for a managed certificate
     /// </summary>
-    public class ManagedCertificateSummary
+    public record ManagedCertificateSummary
     {
         public string? InstanceId { get; set; } = string.Empty;
         public string? InstanceTitle { get; set; } = string.Empty;
@@ -64,7 +64,7 @@ public class ManagedCertificateSummary
         public bool HasCertificate { get; set; }
     }
 
-    public class ManagedCertificateSummaryResult
+    public record ManagedCertificateSummaryResult
     {
         public IEnumerable<ManagedCertificateSummary> Results { get; set; } = new List<ManagedCertificateSummary>();
         public long TotalResults { get; set; }

src/Certify.Models/Hub/ManagedInstanceInfo.cs

@@ -29,9 +29,9 @@ public class ConnectionStatus
         public const string Disconnected = "disconnected";
         public const string Away = "away";
     }
-    public class ManagedInstanceItems
+    public record ManagedInstanceItems
     {
         public string InstanceId { get; set; } = string.Empty;
-        public List<ManagedCertificate> Items { get; set; } = new List<ManagedCertificate>();
+        public List<ManagedCertificate> Items { get; set; } = [];
     }
 }

src/Certify.Server/Certify.Server.Hub.Api/Controllers/internal/HubController.cs

@@ -58,8 +58,6 @@ public async Task<IActionResult> GetHubManagedItems(string? instanceId, string?
             var managedItems = _mgmtStateProvider.GetManagedInstanceItems();
             var instances = _mgmtStateProvider.GetConnectedInstances();
 
-
-
             var list = new List<ManagedCertificateSummary>();
 
             foreach (var remote in managedItems.Values)
@@ -103,7 +101,7 @@ public async Task<IActionResult> GetHubManagedItems(string? instanceId, string?
 
             if (page != null && page > 0)
             {
-                skip = ((int)page - 1) * (pageSize ?? 100);
+                skip = (int)page * (pageSize ?? 100);
             }
 
             result.Results = list.OrderBy(l => l.Title).Skip(skip).Take(pageSize ?? 100);