Support explicit interface implementations

Author: halter73

src/Http/Http.Extensions/gen/RequestDelegateGeneratorSources.cs

@@ -158,6 +158,12 @@ private static Task WriteToResponseAsync<T>(T? value, HttpContext httpContext, J
             }
             return (false, default);
         }
+
+        private static ValueTask<T?> BindAsync<T>(HttpContext context, ParameterInfo parameter)
+            where T : class, IBindableFromHttpContext<T>
+        {
+            return T.BindAsync(context, parameter);
+        }
     }
 }
 """;

src/Http/Http.Extensions/gen/StaticRouteHandlerModel/Emitters/EndpointParameterEmitter.cs

@@ -127,6 +127,8 @@ internal static void EmitBindAsyncPreparation(this EndpointParameter endpointPar
         switch (endpointParameter.BindMethod)
         {
             case BindabilityMethod.IBindableFromHttpContext:
+                codeWriter.WriteLine($"var {endpointParameter.EmitTempArgument()} = await BindAsync<{unwrappedTypeString}>(httpContext, parameters[{endpointParameter.Ordinal}]);");
+                break;
             case BindabilityMethod.BindAsyncWithParameter:
                 codeWriter.WriteLine($"var {endpointParameter.EmitTempArgument()} = await {unwrappedTypeString}.BindAsync(httpContext, parameters[{endpointParameter.Ordinal}]);");
                 break;

src/Http/Http.Extensions/test/RequestDelegateGenerator/Baselines/MapAction_ExplicitBodyParam_ComplexReturn_Snapshot.generated.txt

@@ -325,5 +325,11 @@ namespace Microsoft.AspNetCore.Http.Generated
             }
             return (false, default);
         }
+
+        private static ValueTask<T?> BindAsync<T>(HttpContext context, ParameterInfo parameter)
+            where T : class, IBindableFromHttpContext<T>
+        {
+            return T.BindAsync(context, parameter);
+        }
     }
 }

src/Http/Http.Extensions/test/RequestDelegateGenerator/Baselines/MapAction_ExplicitServiceParam_SimpleReturn_Snapshot.generated.txt

@@ -403,5 +403,11 @@ namespace Microsoft.AspNetCore.Http.Generated
             }
             return (false, default);
         }
+
+        private static ValueTask<T?> BindAsync<T>(HttpContext context, ParameterInfo parameter)
+            where T : class, IBindableFromHttpContext<T>
+        {
+            return T.BindAsync(context, parameter);
+        }
     }
 }

src/Http/Http.Extensions/test/RequestDelegateGenerator/Baselines/MapAction_ExplicitSource_SimpleReturn_Snapshot.generated.txt

@@ -559,5 +559,11 @@ namespace Microsoft.AspNetCore.Http.Generated
             }
             return (false, default);
         }
+
+        private static ValueTask<T?> BindAsync<T>(HttpContext context, ParameterInfo parameter)
+            where T : class, IBindableFromHttpContext<T>
+        {
+            return T.BindAsync(context, parameter);
+        }
     }
 }

src/Http/Http.Extensions/test/RequestDelegateGenerator/Baselines/MapAction_MultipleSpecialTypeParam_StringReturn.generated.txt

@@ -249,5 +249,11 @@ namespace Microsoft.AspNetCore.Http.Generated
             }
             return (false, default);
         }
+
+        private static ValueTask<T?> BindAsync<T>(HttpContext context, ParameterInfo parameter)
+            where T : class, IBindableFromHttpContext<T>
+        {
+            return T.BindAsync(context, parameter);
+        }
     }
 }

src/Http/Http.Extensions/test/RequestDelegateGenerator/Baselines/MapAction_MultipleStringParam_StringReturn.generated.txt

@@ -277,5 +277,11 @@ namespace Microsoft.AspNetCore.Http.Generated
             }
             return (false, default);
         }
+
+        private static ValueTask<T?> BindAsync<T>(HttpContext context, ParameterInfo parameter)
+            where T : class, IBindableFromHttpContext<T>
+        {
+            return T.BindAsync(context, parameter);
+        }
     }
 }

src/Http/Http.Extensions/test/RequestDelegateGenerator/Baselines/MapAction_NoParam_StringReturn_WithFilter.generated.txt

@@ -243,5 +243,11 @@ namespace Microsoft.AspNetCore.Http.Generated
             }
             return (false, default);
         }
+
+        private static ValueTask<T?> BindAsync<T>(HttpContext context, ParameterInfo parameter)
+            where T : class, IBindableFromHttpContext<T>
+        {
+            return T.BindAsync(context, parameter);
+        }
     }
 }

src/Http/Http.Extensions/test/RequestDelegateGenerator/Baselines/MapAction_SingleComplexTypeParam_StringReturn.generated.txt

@@ -269,5 +269,11 @@ namespace Microsoft.AspNetCore.Http.Generated
             }
             return (false, default);
         }
+
+        private static ValueTask<T?> BindAsync<T>(HttpContext context, ParameterInfo parameter)
+            where T : class, IBindableFromHttpContext<T>
+        {
+            return T.BindAsync(context, parameter);
+        }
     }
 }

src/Http/Http.Extensions/test/RequestDelegateGenerator/Baselines/MapAction_SingleEnumParam_StringReturn.generated.txt

@@ -269,5 +269,11 @@ namespace Microsoft.AspNetCore.Http.Generated
             }
             return (false, default);
         }
+
+        private static ValueTask<T?> BindAsync<T>(HttpContext context, ParameterInfo parameter)
+            where T : class, IBindableFromHttpContext<T>
+        {
+            return T.BindAsync(context, parameter);
+        }
     }
 }