fix(csharp): token provider correctly references underlying endpoint (#…

…4838)

generators/csharp/sdk/src/oauth/OauthTokenProviderGenerator.ts

@@ -28,6 +28,7 @@ export class OauthTokenProviderGenerator extends FileGenerator<CSharpFile, SdkCu
     private tokenEndpointHttpService: HttpService;
     private tokenEndpointReference: EndpointReference;
     private tokenEndpoint: HttpEndpoint;
+    private clientField: csharp.Field;
 
     private static readonly BUFFER_IN_MINUTES_FIELD = csharp.field({
         access: "private",
@@ -72,6 +73,13 @@ export class OauthTokenProviderGenerator extends FileGenerator<CSharpFile, SdkCu
             this.tokenEndpointReference.endpointId
         );
         this.tokenEndpoint = httpEndpoint;
+        this.clientField = csharp.field({
+            access: "private",
+            name: "_client",
+            type: csharp.Type.reference(
+                this.context.getSubpackageClassReferenceForServiceIdOrThrow(this.tokenEndpointReference.serviceId)
+            )
+        });
     }
 
     public doGenerate(): CSharpFile {
@@ -91,14 +99,7 @@ export class OauthTokenProviderGenerator extends FileGenerator<CSharpFile, SdkCu
         class_.addField(OauthTokenProviderGenerator.CLIENT_ID_FIELD);
         class_.addField(OauthTokenProviderGenerator.CLIENT_SECRET_FIELD);
 
-        const clientField = csharp.field({
-            access: "private",
-            name: "_client",
-            type: csharp.Type.reference(
-                this.context.getSubpackageClassReferenceForServiceIdOrThrow(this.tokenEndpointReference.serviceId)
-            )
-        });
-        class_.addField(clientField);
+        class_.addField(this.clientField);
 
         class_.addMethod(this.getAccessTokenMethod());
 
@@ -115,13 +116,13 @@ export class OauthTokenProviderGenerator extends FileGenerator<CSharpFile, SdkCu
                 }),
                 csharp.parameter({
                     name: "client",
-                    type: clientField.type
+                    type: this.clientField.type
                 })
             ],
             body: csharp.codeblock((writer) => {
                 writer.writeTextStatement(`${OauthTokenProviderGenerator.CLIENT_ID_FIELD.name} = clientId`);
                 writer.writeTextStatement(`${OauthTokenProviderGenerator.CLIENT_SECRET_FIELD.name} = clientSecret`);
-                writer.writeTextStatement(`${clientField.name} = client`);
+                writer.writeTextStatement(`${this.clientField.name} = client`);
             })
         });
 
@@ -194,7 +195,9 @@ export class OauthTokenProviderGenerator extends FileGenerator<CSharpFile, SdkCu
                     writer.writeNode(
                         csharp.invokeMethod({
                             async: true,
-                            method: `client.${this.tokenEndpoint.name.pascalCase.safeName}`,
+                            method: `${this.clientField.name}.${this.context.getEndpointMethodName(
+                                this.tokenEndpoint
+                            )}`,
                             arguments_: [
                                 csharp.instantiateClass({
                                     classReference: requestType.internalType.value,
@@ -246,7 +249,7 @@ export class OauthTokenProviderGenerator extends FileGenerator<CSharpFile, SdkCu
 
             writer.endControlFlow();
 
-            writer.writeTextStatement(`return $"Bearer \{${OauthTokenProviderGenerator.ACCESS_TOKEN_FIELD.name}\}"`);
+            writer.writeTextStatement(`return $"Bearer {${OauthTokenProviderGenerator.ACCESS_TOKEN_FIELD.name}}"`);
         });
     }
 

generators/csharp/sdk/versions.yml

@@ -1,3 +1,11 @@
+- version: 1.8.1
+  irVersion: 53
+  createdAt: '2024-10-08'
+  changelogEntry:
+    - type: fix
+      summary: | 
+        Fixes a bug where the `OauthTokenProvider.cs` was incorrectly referencing
+        the endpoint method, causing code to fail to compile.
 - version: 1.8.0
   createdAt: '2024-08-29'
   changelogEntry: