Support $ref in request-bodies

src/NSwag.CodeGeneration/Models/OperationModelBase.cs

@@ -213,7 +213,7 @@ public TParameterModel ContentParameter
  /// <summary>Gets a value indicating whether the operation consumes 'application/x-www-form-urlencoded'.</summary>
  public bool ConsumesFormUrlEncoded =>
  _operation.ActualConsumes?.Any(c => c == "application/x-www-form-urlencoded") == true ||
- _operation.RequestBody?.Content.Any(mt => mt.Key == "application/x-www-form-urlencoded") == true;
+ _operation.RequestBody?.ActualRequestBody.Content.Any(mt => mt.Key == "application/x-www-form-urlencoded") == true;
 
  /// <summary>Gets the form parameters.</summary>
  public IEnumerable<TParameterModel> FormParameters => Parameters.Where(p => p.Kind == OpenApiParameterKind.FormData);

src/NSwag.Core/OpenApiComponents.cs

@@ -48,6 +48,16 @@ public OpenApiComponents(OpenApiDocument document)
  };
  Responses = responses;
 
+ var requestBodies = new ObservableDictionary<string, OpenApiRequestBody>();
+ requestBodies.CollectionChanged += (sender, args) =>
+ {
+ foreach (var path in RequestBodies.Values)
+ {
+ path.Parent = document;
+ }
+ };
+ RequestBodies = requestBodies;
+
  var parameters = new ObservableDictionary<string, OpenApiParameter>();
  parameters.CollectionChanged += (sender, args) =>
  {
@@ -90,6 +100,10 @@ public OpenApiComponents(OpenApiDocument document)
  [JsonProperty(PropertyName = "responses", DefaultValueHandling = DefaultValueHandling.Ignore)]
  public IDictionary<string, OpenApiResponse> Responses { get; }
 
+ /// <summary>Gets or sets the request bodies which can be used for all operations.</summary>
+ [JsonProperty(PropertyName = "requestBodies", DefaultValueHandling = DefaultValueHandling.Ignore)]
+ public IDictionary<string, OpenApiRequestBody> RequestBodies { get; }
+
  /// <summary>Gets or sets the parameters which can be used for all operations.</summary>
  [JsonProperty(PropertyName = "parameters", DefaultValueHandling = DefaultValueHandling.Ignore)]
  public IDictionary<string, OpenApiParameter> Parameters { get; }

src/NSwag.Core/OpenApiDocument.Serialization.cs

@@ -97,6 +97,7 @@ private static PropertyRenameAndIgnoreSerializerContractResolver CreateJsonSeria
  resolver.IgnoreProperty(typeof(OpenApiDocument), "definitions");
  resolver.IgnoreProperty(typeof(OpenApiDocument), "parameters");
  resolver.IgnoreProperty(typeof(OpenApiDocument), "responses");
+ resolver.IgnoreProperty(typeof(OpenApiDocument), "requestBodies");
  resolver.IgnoreProperty(typeof(OpenApiDocument), "securityDefinitions");
 
  resolver.IgnoreProperty(typeof(OpenApiResponse), "schema");
@@ -210,5 +211,9 @@ private void UpdateServers(ICollection<OpenApiSchema> schemes, string host, stri
  /// <summary>Gets or sets the security definitions (Swagger only).</summary>
  [JsonProperty(PropertyName = "securityDefinitions", Order = 16, DefaultValueHandling = DefaultValueHandling.Ignore)]
  public IDictionary<string, OpenApiSecurityScheme> SecurityDefinitions => Components.SecuritySchemes;
+
+ /// <summary>Gets or sets the request bodies which can be used for all operations (Swagger only).</summary>
+ [JsonProperty(PropertyName = "requestBodies", Order = 17, DefaultValueHandling = DefaultValueHandling.Ignore)]
+ public IDictionary<string, OpenApiRequestBody> RequestBodies => Components.RequestBodies;
  }
 }

src/NSwag.Core/OpenApiMediaType.cs

@@ -29,7 +29,7 @@ public JsonSchema Schema
  set
  {
  _schema = value;
- Parent?.Parent?.UpdateBodyParameter();
+ (Parent?.Parent as OpenApiOperation)?.UpdateBodyParameter();
  }
  }
 
@@ -41,7 +41,7 @@ public object Example
  set
  {
  _example = value;
- Parent?.Parent?.UpdateBodyParameter();
+ (Parent?.Parent as OpenApiOperation)?.UpdateBodyParameter();
  }
  }
 

src/NSwag.Core/OpenApiOperation.cs

@@ -294,12 +294,12 @@ private OpenApiParameter CreateBodyParameter()
  private void UpdateBodyParameter(OpenApiParameter parameter)
  {
  parameter.Kind = OpenApiParameterKind.Body;
- parameter.Name = RequestBody.ActualName;
- parameter.Position = RequestBody.Position;
- parameter.Description = RequestBody.Description;
- parameter.IsRequired = RequestBody.IsRequired;
- parameter.Example = RequestBody.Content.FirstOrDefault().Value?.Example;
- parameter.Schema = RequestBody.Content.FirstOrDefault().Value?.Schema;
+ parameter.Name = RequestBody.ActualRequestBody.ActualName;
+ parameter.Position = RequestBody.ActualRequestBody.Position;
+ parameter.Description = RequestBody.ActualRequestBody.Description;
+ parameter.IsRequired = RequestBody.ActualRequestBody.IsRequired;
+ parameter.Example = RequestBody.ActualRequestBody.Content.FirstOrDefault().Value?.Example;
+ parameter.Schema = RequestBody.ActualRequestBody.Content.FirstOrDefault().Value?.Schema;
  }
 
  private void UpdateRequestBody(NotifyCollectionChangedEventArgs args)

src/NSwag.Core/OpenApiParameter.cs

@@ -225,7 +225,7 @@ public bool IsXmlBodyParameter
  var parent = Parent as OpenApiOperation;
  var consumes = parent?.ActualConsumes?.Any() == true ?
  parent.ActualConsumes :
- parent?.RequestBody?.Content.Keys;
+ parent?.RequestBody?.ActualRequestBody.Content.Keys;
 
  return consumes?.Any() == true &&
  consumes.Any(p => p.Contains("application/xml")) &&
@@ -256,7 +256,7 @@ public bool IsBinaryBodyParameter
  }
  else
  {
- var consumes = parent?.RequestBody?.Content;
+ var consumes = parent?.RequestBody?.ActualRequestBody.Content;
  return (consumes?.Any(p => p.Key == "multipart/form-data") == true ||
  consumes?.Any(p => p.Value.Schema?.IsBinary != false) == true) &&
  consumes.Any(p => p.Key.Contains("*/*") && p.Value.Schema?.IsBinary != true) == false &&
@@ -286,7 +286,7 @@ public bool HasBinaryBodyWithMultipleMimeTypes
  }
  else
  {
- var consumes = parent?.RequestBody?.Content;
+ var consumes = parent?.RequestBody?.ActualRequestBody.Content;
  return consumes?.Any() == true &&
  (consumes.Count() > 1 ||
  consumes.Any(p => p.Key.Contains("*")));

src/NSwag.Core/OpenApiRequestBody.cs

@@ -8,12 +8,13 @@
 
 using System.Collections.Generic;
 using Newtonsoft.Json;
+using NJsonSchema.References;
 using NSwag.Collections;
 
 namespace NSwag
 {
  /// <summary>The OpenApi request body (OpenAPI only).</summary>
- public class OpenApiRequestBody
+ public class OpenApiRequestBody : JsonReferenceBase<OpenApiRequestBody>, IJsonReference
  {
  private string _name;
  private bool _isRequired;
@@ -31,13 +32,17 @@ public OpenApiRequestBody()
  mediaType.Parent = this;
  }
 
- Parent?.UpdateBodyParameter();
+ (ActualRequestBody.Parent as OpenApiOperation)?.UpdateBodyParameter();
  };
  Content = content;
  }
 
  [JsonIgnore]
- internal OpenApiOperation Parent { get; set; }
+ internal object Parent { get; set; }
+
+ /// <summary>Gets the actual request body, either this or the referenced request body.</summary>
+ [JsonIgnore]
+ public OpenApiRequestBody ActualRequestBody => Reference ?? this;
 
  /// <summary>Gets or sets the name.</summary>
  [JsonProperty(PropertyName = "x-name", DefaultValueHandling = DefaultValueHandling.IgnoreAndPopulate)]
@@ -47,7 +52,7 @@ public string Name
  set
  {
  _name = value;
- Parent?.UpdateBodyParameter();
+ (ActualRequestBody.Parent as OpenApiOperation)?.UpdateBodyParameter();
  }
  }
 
@@ -59,7 +64,7 @@ public string Description
  set
  {
  _description = value;
- Parent?.UpdateBodyParameter();
+ (ActualRequestBody.Parent as OpenApiOperation)?.UpdateBodyParameter();
  }
  }
 
@@ -75,7 +80,7 @@ public bool IsRequired
  set
  {
  _isRequired = value;
- Parent?.UpdateBodyParameter();
+ (ActualRequestBody.Parent as OpenApiOperation)?.UpdateBodyParameter();
  }
  }
 
@@ -87,12 +92,35 @@ public bool IsRequired
  set
  {
  _position = value;
- Parent?.UpdateBodyParameter();
+ (ActualRequestBody.Parent as OpenApiOperation)?.UpdateBodyParameter();
  }
  }
 
  /// <summary>Gets the actual name of the request body parameter.</summary>
  [JsonIgnore]
  public string ActualName => string.IsNullOrEmpty(Name) ? "body" : Name;
+
+ #region Implementation of IJsonReference
+
+ [JsonIgnore]
+ IJsonReference IJsonReference.ActualObject => ActualRequestBody;
+
+ [JsonIgnore]
+ object IJsonReference.PossibleRoot => (Parent as OpenApiOperation)?.Parent?.Parent;
+
+ #endregion
+
+ public override OpenApiRequestBody Reference
+ {
+ get
+ {
+ return base.Reference;
+ }
+ set
+ {
+ base.Reference = value;
+ (Parent as OpenApiOperation)?.UpdateBodyParameter();
+ }
+ }
  }
 }