Using DataAnnotation in options

Author: AntonioFalcaoJr

src/Dotnet6.GraphQL4.Repositories.Abstractions/DependencyInjection/Extensions/ServiceCollectionExtensions.cs

@@ -25,8 +25,10 @@ public static OptionsBuilder<TransactionOptions> ConfigureTransactionOptions(thi
             => services
                 .AddOptions<TransactionOptions>()
                 .Bind(section)
+                .ValidateDataAnnotations()
                 .Validate(
                     validation: options => options.IsolationLevel is not System.Transactions.IsolationLevel.Unspecified,
-                    failureMessage: "Transaction isolation level must be specified");
+                    failureMessage: "Transaction isolation level must be specified")
+                .ValidateOnStart();
     }
 }

src/Dotnet6.GraphQL4.Repositories.Abstractions/DependencyInjection/Options/TransactionOptions.cs

@@ -1,16 +1,11 @@
-using System.Transactions;
+using System.ComponentModel.DataAnnotations;
+using System.Transactions;
 
 namespace Dotnet6.GraphQL4.Repositories.Abstractions.DependencyInjection.Options
 {
     public class TransactionOptions
     {
-        private const IsolationLevel DefaultIsolationLevel = IsolationLevel.ReadCommitted;
-        private IsolationLevel? _isolationLevel;
-
-        public IsolationLevel IsolationLevel
-        {
-            get => _isolationLevel ?? DefaultIsolationLevel;
-            set => _isolationLevel = value;
-        }
+        [Required, EnumDataType(typeof(IsolationLevel))]
+        public IsolationLevel IsolationLevel { get; set; }
     }
 }

src/Dotnet6.GraphQL4.Store.Repositories/DependencyInjection/Options/SqlServerRetryingOptions.cs

@@ -1,30 +1,19 @@
 using System;
+using System.ComponentModel.DataAnnotations;
 
 namespace Dotnet6.GraphQL4.Store.Repositories.DependencyInjection.Options
 {
     public class SqlServerRetryingOptions
     {
-        private const int DefaultRetryCount = 5;
-        private const int DefaultRetryDelay = 5;
+        [Required, Range(5, 20)]
+        public int MaxRetryCount { get; init; }
 
-        private int _maxRetryCount;
-        private int _maxSecondsRetryDelay;
+        [Required, Range(5, 20)]
+        public int MaxSecondsRetryDelay { get; init; }
 
-        public int MaxRetryCount
-        {
-            get => _maxRetryCount <= 0 ? DefaultRetryCount : _maxRetryCount;
-            set => _maxRetryCount = value;
-        }
+        public int[] ErrorNumbersToAdd { get; init; }
 
-        public int MaxSecondsRetryDelay
-        {
-            get => _maxSecondsRetryDelay <= 0 ? DefaultRetryDelay : _maxSecondsRetryDelay;
-            set => _maxSecondsRetryDelay = value;
-        }
-
-        public int[] ErrorNumbersToAdd { get; set; }
-        
-        internal TimeSpan MaxRetryDelay 
+        internal TimeSpan MaxRetryDelay
             => TimeSpan.FromSeconds(MaxSecondsRetryDelay);
     }
 }