Fixes an issue where interface chain is not checked for parameters, t…

…his resolves issue: domaindrivendev#2596 for #3
Havunen · Feb 25, 2024 · ae51f83 · ae51f83
1 parent f354f74
commit ae51f83
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Showing 2 changed files with 44 additions and 1 deletion.
diff --git a/...otSwashbuckle.AspNetCore.SwaggerGen/SwaggerGenerator/ApiParameterDescriptionExtensions.cs b/...otSwashbuckle.AspNetCore.SwaggerGen/SwaggerGenerator/ApiParameterDescriptionExtensions.cs
@@ -44,7 +44,27 @@ public static PropertyInfo PropertyInfo(this ApiParameterDescription apiParamete
         {
             var modelMetadata = apiParameter.ModelMetadata;
 
-            return modelMetadata?.ContainerType?.GetProperty(modelMetadata.PropertyName);
+            if (modelMetadata.ContainerType != null)
+            {
+                PropertyInfo propertyInfo = modelMetadata.ContainerType.GetProperty(modelMetadata.PropertyName);
+
+                if (propertyInfo != null)
+                {
+                    return propertyInfo;
+                }
+
+                foreach (var type in modelMetadata.ContainerType.GetInterfaces())
+                {
+                    propertyInfo = type.GetProperty(modelMetadata.PropertyName);
+
+                    if (propertyInfo != null)
+                    {
+                        return propertyInfo;
+                    }
+                }
+            }
+
+            return null;
         }
 
         public static IEnumerable<object> CustomAttributes(this ApiParameterDescription apiParameter)

diff --git a/test/WebSites/Basic/Controllers/CrudActionsController.cs b/test/WebSites/Basic/Controllers/CrudActionsController.cs
@@ -1,5 +1,6 @@
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
+using System.Net.Mime;
 using Microsoft.AspNetCore.Mvc;
 
 namespace Basic.Controllers
@@ -97,6 +98,28 @@ public ProductStatus PostStatus([FromBody] ProductStatus status)
         {
             return status;
         }
+
+        [HttpGet("GetDoc")]
+        [Consumes(typeof(IChild), MediaTypeNames.Application.Json)]
+        [Produces(typeof(IChild))]
+        public IActionResult GetDoc([FromQuery] IChild query)
+        {
+            return null;
+        }
+    }
+
+    /// <summary>The parent.</summary>
+    public interface IParent
+    {
+        /// <summary>The parent value.</summary>
+        string? ParentValue { get; set; }
+    }
+
+    /// <summary>The child.</summary>
+    public interface IChild : IParent
+    {
+        /// <summary>The child value.</summary>
+        string? Value { get; set; }
     }
 
     public enum ProductStatus