List all derived types in discriminator mapping and append @odata.type property to all derived types

src/Microsoft.OpenApi.OData.Reader/Generator/OpenApiSchemaGenerator.cs

@@ -398,7 +398,7 @@ private static OpenApiSchema CreateStructuredTypeSchema(this ODataContext contex
 
             if (context.Settings.EnableDiscriminatorValue && derivedTypes == null)
             {
-                derivedTypes = context.Model.FindDirectlyDerivedTypes(structuredType);
+                derivedTypes = context.Model.FindAllDerivedTypes(structuredType);
             }
 
             if (processBase && structuredType.BaseType != null)
@@ -484,7 +484,7 @@ private static OpenApiSchema CreateStructuredTypeSchema(this ODataContext contex
                     AnyOf = null
                 };
 
-                if (schema.Discriminator != null)
+                if (context.Settings.EnableDiscriminatorValue)
                 {
                     if (!schema.Properties.TryAdd(Constants.OdataType, new OpenApiSchema()
                     {

src/Microsoft.OpenApi.OData.Reader/Microsoft.OpenAPI.OData.Reader.csproj

@@ -15,7 +15,7 @@
     <TargetFrameworks>netstandard2.0</TargetFrameworks>
     <PackageId>Microsoft.OpenApi.OData</PackageId>
     <SignAssembly>true</SignAssembly>
-    <Version>1.0.11-preview5</Version>
+    <Version>1.0.11</Version>
     <Description>This package contains the codes you need to convert OData CSDL to Open API Document of Model.</Description>
     <Copyright>© Microsoft Corporation. All rights reserved.</Copyright>
     <PackageTags>Microsoft OpenApi OData EDM</PackageTags>
@@ -28,7 +28,9 @@
 - Provides support for using success status code range 2XX #153
 - Fixes request body and response representation for ref POST and PUT operations #228
 - Adds discriminator object to complex types which have derived types #233
+- Lists all the derived types of a type in discriminator mapping #240
 - Adds @odata.type property and makes this a required property in schemas that have discriminator objects #243
+- Appends `@odata.type` property to all derived types schemas #248
 - Represent nullable references within anyOf correctly #190
     </PackageReleaseNotes>
     <AssemblyName>Microsoft.OpenApi.OData.Reader</AssemblyName>

test/Microsoft.OpenAPI.OData.Reader.Tests/Generator/OpenApiSchemaGeneratorTests.cs

@@ -114,14 +114,19 @@ public void CreateStructuredTypeSchemaForEntityTypeWithDiscriminatorValueEnabled
                 EnableDiscriminatorValue = true,
             });
 
+            string derivedType = "user";
             IEdmEntityType entity = model.SchemaElements.OfType<IEdmEntityType>().First(t => t.Name == "directoryObject");
-            Assert.NotNull(entity); // Guard
+            IEdmEntityType derivedEntity = model.SchemaElements.OfType<IEdmEntityType>().First(t => t.Name == derivedType);
+            Assert.NotNull(entity);
+            Assert.NotNull(derivedEntity);
 
             // Act
             var schema = context.CreateStructuredTypeSchema(entity);
+            var derivedSchema = context.CreateStructuredTypeSchema(derivedEntity);
             string json = schema.SerializeAsJson(OpenApiSpecVersion.OpenApi3_0);
 
             // Assert
+            Assert.True(derivedSchema.AllOf.FirstOrDefault(x => derivedType.Equals(x.Title))?.Properties.ContainsKey("@odata.type"));
             Assert.NotNull(json);
             Assert.Equal(@"{
   ""allOf"": [
@@ -155,6 +160,18 @@ public void CreateStructuredTypeSchemaForEntityTypeWithDiscriminatorValueEnabled
           ""#microsoft.graph.application"": ""#/components/schemas/microsoft.graph.application"",
           ""#microsoft.graph.servicePrincipal"": ""#/components/schemas/microsoft.graph.servicePrincipal"",
           ""#microsoft.graph.policyBase"": ""#/components/schemas/microsoft.graph.policyBase"",
+          ""#microsoft.graph.appManagementPolicy"": ""#/components/schemas/microsoft.graph.appManagementPolicy"",
+          ""#microsoft.graph.stsPolicy"": ""#/components/schemas/microsoft.graph.stsPolicy"",
+          ""#microsoft.graph.homeRealmDiscoveryPolicy"": ""#/components/schemas/microsoft.graph.homeRealmDiscoveryPolicy"",
+          ""#microsoft.graph.tokenIssuancePolicy"": ""#/components/schemas/microsoft.graph.tokenIssuancePolicy"",
+          ""#microsoft.graph.tokenLifetimePolicy"": ""#/components/schemas/microsoft.graph.tokenLifetimePolicy"",
+          ""#microsoft.graph.claimsMappingPolicy"": ""#/components/schemas/microsoft.graph.claimsMappingPolicy"",
+          ""#microsoft.graph.activityBasedTimeoutPolicy"": ""#/components/schemas/microsoft.graph.activityBasedTimeoutPolicy"",
+          ""#microsoft.graph.authorizationPolicy"": ""#/components/schemas/microsoft.graph.authorizationPolicy"",
+          ""#microsoft.graph.tenantAppManagementPolicy"": ""#/components/schemas/microsoft.graph.tenantAppManagementPolicy"",
+          ""#microsoft.graph.permissionGrantPolicy"": ""#/components/schemas/microsoft.graph.permissionGrantPolicy"",
+          ""#microsoft.graph.servicePrincipalCreationPolicy"": ""#/components/schemas/microsoft.graph.servicePrincipalCreationPolicy"",
+          ""#microsoft.graph.identitySecurityDefaultsEnforcementPolicy"": ""#/components/schemas/microsoft.graph.identitySecurityDefaultsEnforcementPolicy"",
           ""#microsoft.graph.extensionProperty"": ""#/components/schemas/microsoft.graph.extensionProperty"",
           ""#microsoft.graph.endpoint"": ""#/components/schemas/microsoft.graph.endpoint"",
           ""#microsoft.graph.resourceSpecificPermissionGrant"": ""#/components/schemas/microsoft.graph.resourceSpecificPermissionGrant"",