Add generic variants of ProducesProblem and ProducesValidationProblem

Author: captainsafia

src/Http/Routing/src/Builder/OpenApiRouteHandlerBuilderExtensions.cs

@@ -109,6 +109,27 @@ public static RouteHandlerBuilder ProducesProblem(this RouteHandlerBuilder build
         return Produces(builder, statusCode, typeof(ProblemDetails), contentType);
     }
 
+    /// <summary>
+    /// Adds an <see cref="IProducesResponseTypeMetadata"/> with a <see cref="ProblemDetails"/> type
+    /// to <see cref="EndpointBuilder.Metadata"/> for all endpoints produced by <paramref name="builder"/>.
+    /// </summary>
+    /// <param name="builder">The <see cref="IEndpointConventionBuilder"/>.</param>
+    /// <param name="statusCode">The response status code.</param>
+    /// <param name="contentType">The response content type. Defaults to "application/problem+json".</param>
+    /// <returns>A <see cref="IEndpointConventionBuilder"/> that can be used to further customize the endpoint.</returns>
+#pragma warning disable RS0026 // Do not add multiple public overloads with optional parameters
+    public static TBuilder ProducesProblem<TBuilder>(this TBuilder builder, int statusCode, string? contentType = null)
+#pragma warning restore RS0026 // Do not add multiple public overloads with optional parameters
+        where TBuilder : IEndpointConventionBuilder
+    {
+        if (string.IsNullOrEmpty(contentType))
+        {
+            contentType = "application/problem+json";
+        }
+
+        return builder.WithMetadata(new ProducesResponseTypeMetadata(statusCode, typeof(ProblemDetails), [contentType]));
+    }
+
     /// <summary>
     /// Adds an <see cref="IProducesResponseTypeMetadata"/> with a <see cref="HttpValidationProblemDetails"/> type
     /// to <see cref="EndpointBuilder.Metadata"/> for all endpoints produced by <paramref name="builder"/>.
@@ -130,6 +151,30 @@ public static RouteHandlerBuilder ProducesValidationProblem(
         return Produces(builder, statusCode, typeof(HttpValidationProblemDetails), contentType);
     }
 
+    /// <summary>
+    /// Adds an <see cref="IProducesResponseTypeMetadata"/> with a <see cref="HttpValidationProblemDetails"/> type
+    /// to <see cref="EndpointBuilder.Metadata"/> for all endpoints produced by <paramref name="builder"/>.
+    /// </summary>
+    /// <param name="builder">The <see cref="IEndpointConventionBuilder"/>.</param>
+    /// <param name="statusCode">The response status code. Defaults to <see cref="StatusCodes.Status400BadRequest"/>.</param>
+    /// <param name="contentType">The response content type. Defaults to "application/problem+json".</param>
+    /// <returns>A <see cref="IEndpointConventionBuilder"/> that can be used to further customize the endpoint.</returns>
+#pragma warning disable RS0026 // Do not add multiple public overloads with optional parameters
+    public static TBuilder ProducesValidationProblem<TBuilder>(
+#pragma warning restore RS0026 // Do not add multiple public overloads with optional parameters
+        this TBuilder builder,
+        int statusCode = StatusCodes.Status400BadRequest,
+        string? contentType = null)
+        where TBuilder : IEndpointConventionBuilder
+    {
+        if (string.IsNullOrEmpty(contentType))
+        {
+            contentType = "application/problem+json";
+        }
+
+        return builder.WithMetadata(new ProducesResponseTypeMetadata(statusCode, typeof(HttpValidationProblemDetails), [contentType]));
+    }
+
     /// <summary>
     /// Adds the <see cref="ITagsMetadata"/> to <see cref="EndpointBuilder.Metadata"/> for all endpoints
     /// produced by <paramref name="builder"/>.

src/Http/Routing/src/PublicAPI.Unshipped.txt

@@ -3,4 +3,6 @@ Microsoft.AspNetCore.Routing.ContentEncodingMetadata
 Microsoft.AspNetCore.Routing.ContentEncodingMetadata.ContentEncodingMetadata(string! value, double quality) -> void
 Microsoft.AspNetCore.Routing.ContentEncodingMetadata.Quality.get -> double
 Microsoft.AspNetCore.Routing.ContentEncodingMetadata.Value.get -> string!
+static Microsoft.AspNetCore.Http.OpenApiRouteHandlerBuilderExtensions.ProducesProblem<TBuilder>(this TBuilder builder, int statusCode, string? contentType = null) -> TBuilder
+static Microsoft.AspNetCore.Http.OpenApiRouteHandlerBuilderExtensions.ProducesValidationProblem<TBuilder>(this TBuilder builder, int statusCode = 400, string? contentType = null) -> TBuilder
 static Microsoft.AspNetCore.Routing.RouteHandlerServices.Map(Microsoft.AspNetCore.Routing.IEndpointRouteBuilder! endpoints, string! pattern, System.Delegate! handler, System.Collections.Generic.IEnumerable<string!>? httpMethods, System.Func<System.Reflection.MethodInfo!, Microsoft.AspNetCore.Http.RequestDelegateFactoryOptions?, Microsoft.AspNetCore.Http.RequestDelegateMetadataResult!>! populateMetadata, System.Func<System.Delegate!, Microsoft.AspNetCore.Http.RequestDelegateFactoryOptions!, Microsoft.AspNetCore.Http.RequestDelegateMetadataResult?, Microsoft.AspNetCore.Http.RequestDelegateResult!>! createRequestDelegate, System.Reflection.MethodInfo! methodInfo) -> Microsoft.AspNetCore.Builder.RouteHandlerBuilder!

src/Http/Routing/test/UnitTests/Builder/OpenApiRouteHandlerBuilderExtensionsTest.cs

@@ -69,31 +69,38 @@ public void Produces_AddsProducesResponseTypeMetadataWithVoidType()
     }
 
     [Fact]
-    public void ProdcesProblem_AddsProducesResponseTypeMetadataWithProblemDetailsType()
+    public void ProducesProblem_AddsProducesResponseTypeMetadataWithProblemDetailsType()
     {
-        var testBuilder = new TestEndointConventionBuilder();
-        var builder = new RouteHandlerBuilder(new[] { testBuilder });
+        static void GenericProducesProblem(IEndpointConventionBuilder builder) => builder.ProducesProblem(StatusCodes.Status400BadRequest);
+        static void SpecificProducesProblem(RouteHandlerBuilder builder) => builder.ProducesProblem(StatusCodes.Status400BadRequest);
 
-        builder.ProducesProblem(StatusCodes.Status400BadRequest);
+        static void AssertMetadata(EndpointBuilder builder)
+        {
+            var metadata = Assert.IsType<ProducesResponseTypeMetadata>(Assert.Single(builder.Metadata));
+            Assert.Equal(typeof(ProblemDetails), metadata.Type);
+            Assert.Equal(StatusCodes.Status400BadRequest, metadata.StatusCode);
+            Assert.Equal("application/problem+json", Assert.Single(metadata.ContentTypes));
+        }
+
+        RunWithBothBuilders(GenericProducesProblem, SpecificProducesProblem, AssertMetadata);
 
-        var metadata = Assert.IsType<ProducesResponseTypeMetadata>(Assert.Single(testBuilder.Metadata));
-        Assert.Equal(typeof(ProblemDetails), metadata.Type);
-        Assert.Equal(StatusCodes.Status400BadRequest, metadata.StatusCode);
-        Assert.Equal("application/problem+json", Assert.Single(metadata.ContentTypes));
     }
 
     [Fact]
-    public void ProdcesValidiationProblem_AddsProducesResponseTypeMetadataWithHttpValidationProblemDetailsType()
+    public void ProducesValidationProblem_AddsProducesResponseTypeMetadataWithHttpValidationProblemDetailsType()
     {
-        var testBuilder = new TestEndointConventionBuilder();
-        var builder = new RouteHandlerBuilder(new[] { testBuilder });
+        static void GenericProducesProblem(IEndpointConventionBuilder builder) => builder.ProducesValidationProblem();
+        static void SpecificProducesProblem(RouteHandlerBuilder builder) => builder.ProducesValidationProblem();
 
-        builder.ProducesValidationProblem();
+        static void AssertMetadata(EndpointBuilder builder)
+        {
+            var metadata = Assert.IsType<ProducesResponseTypeMetadata>(Assert.Single(builder.Metadata));
+            Assert.Equal(typeof(HttpValidationProblemDetails), metadata.Type);
+            Assert.Equal(StatusCodes.Status400BadRequest, metadata.StatusCode);
+            Assert.Equal("application/problem+json", Assert.Single(metadata.ContentTypes));
+        }
 
-        var metadata = Assert.IsType<ProducesResponseTypeMetadata>(Assert.Single(testBuilder.Metadata));
-        Assert.Equal(typeof(HttpValidationProblemDetails), metadata.Type);
-        Assert.Equal(StatusCodes.Status400BadRequest, metadata.StatusCode);
-        Assert.Equal("application/problem+json", Assert.Single(metadata.ContentTypes));
+        RunWithBothBuilders(GenericProducesProblem, SpecificProducesProblem, AssertMetadata);
     }
 
     [Fact]