refactor: 支持 DateTimeRangeValue 合规性检查

Author: ArgoZhang

src/BootstrapBlazor/Components/DateTimeRange/DateTimeRange.razor.cs

@@ -256,10 +256,6 @@ public bool AllowNull
     [NotNull]
     private IStringLocalizer<DateTimeRange>? Localizer { get; set; }
 
-    [Inject]
-    [NotNull]
-    private IStringLocalizerFactory? LocalizerFactory { get; set; }
-
     [Inject]
     [NotNull]
     private IIconTheme? IconTheme { get; set; }
@@ -280,24 +276,7 @@ protected override void OnInitialized()
     {
         base.OnInitialized();
 
-        if (FieldIdentifier != null)
-        {
-            var pi = FieldIdentifier.Value.Model.GetType().GetPropertyByName(FieldIdentifier.Value.FieldName);
-            if (pi != null)
-            {
-                var required = pi.GetCustomAttribute<RequiredAttribute>(true);
-                if (required != null)
-                {
-                    Rules.Add(new DateTimeRangeRequiredValidator()
-                    {
-                        LocalizerFactory = LocalizerFactory,
-                        ErrorMessage = required.ErrorMessage,
-                        AllowEmptyString = required.AllowEmptyStrings
-                    });
-                }
-            }
-        }
-
+        AddRequiredValidator();
         _showLeftButtons = RenderMode == DateTimeRangeRenderMode.Single;
     }
 

src/BootstrapBlazor/Validators/RequiredValidator.cs

@@ -75,6 +75,10 @@ public override void Validate(object? propertyValue, ValidationContext context,
                 results.Add(new ValidationResult(errorMessage, memberNames));
             }
         }
+        else if (propertyValue is DateTimeRangeValue dv && dv is { NullStart: null, NullEnd: null })
+        {
+            results.Add(new ValidationResult(errorMessage, memberNames));
+        }
     }
 
     /// <summary>