c#, improvement: Add header suppliers to RawClient constructor para…

…meters (#4119)

generators/csharp/codegen/src/asIs/RawClient.Template.cs

@@ -8,7 +8,11 @@ namespace <%= namespace%>;
 /// <summary>
 /// Utility class for making raw HTTP requests to the API.
 /// </summary>
-public class RawClient(Dictionary<string, string> headers, ClientOptions clientOptions)
+public class RawClient(
+    Dictionary<string, string> headers,
+    Dictionary<string, Func<string>> headerSuppliers,
+    ClientOptions clientOptions
+)
 {
     /// <summary>
     /// The http client used to make requests.
@@ -33,6 +37,11 @@ public async Task<ApiResponse> MakeRequestAsync(BaseApiRequest request)
         {
             httpRequest.Headers.Add(header.Key, header.Value);
         }
+        // Add global headers to the request from supplier
+        foreach (var header in headerSuppliers)
+        {
+            httpRequest.Headers.Add(header.Key, header.Value.Invoke());
+        }
         // Add request headers to the request
         foreach (var header in request.Headers)
         {

generators/csharp/sdk/CHANGELOG.md

@@ -5,15 +5,21 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.2.2 - 2024-07-25]
+
+- Improvement: Add header suppliers to `RawClient` constructor parameters.
+
 ## [0.2.1 - 2024-07-25]
-- Fix: MultURL environment classes now compile, previously there was a fix that broke compilation. 
+
+- Fix: MultURL environment classes now compile, previously there was a fix that broke compilation.
 
 ## [0.2.0 - 2024-07-25]
 
 - Break: The `Environments.cs` class is now renamed to be `{OrgName}Environment`. For example, if your
-  org name was Imdb then the environment class would be `ImdbEnvironment`. 
+  org name was Imdb then the environment class would be `ImdbEnvironment`.
+
+- Feature: If the SDK has endpoints that each hit different URLs then the following class is generated.
 
-- Feature: If the SDK has endpoints that each hit different URLs then the following class is generated. 
   ```csharp
   public record AWSEnvironment
   {
@@ -22,13 +28,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
           S3 = "https://s3.awsamazon.com",
           EC2 = "https://ec2.awsamazon.com"
       };
-      
+
       public static AWSEnvironment Staging = new AWSEnvironment()
       {
         S3 = "https://staging.s3.awsamazon.com",
         EC2 = "https://stagng.ec2.awsamazon.com"
       };
-      
+
       public required string S3 { get; init; }
       public required string EC2 { get; init; }
   }

generators/csharp/sdk/src/root-client/RootClientGenerator.ts

@@ -181,6 +181,18 @@ export class RootClientGenerator extends FileGenerator<CSharpFile, SdkCustomConf
             valueType: csharp.Types.string(),
             entries: headerEntries
         });
+
+        const headerSupplierDictionary = csharp.dictionary({
+            keyType: csharp.Types.string(),
+            valueType: csharp.Types.reference(
+                csharp.classReference({
+                    name: "Func",
+                    namespace: "System",
+                    generics: [csharp.Types.string()]
+                })
+            ),
+            entries: []
+        });
         return {
             access: "public",
             parameters,
@@ -205,6 +217,9 @@ export class RootClientGenerator extends FileGenerator<CSharpFile, SdkCustomConf
                             csharp.codeblock((writer) => {
                                 writer.writeNode(headerDictionary);
                             }),
+                            csharp.codeblock((writer) => {
+                                writer.writeNode(headerSupplierDictionary);
+                            }),
                             csharp.codeblock("clientOptions ?? new ClientOptions()")
                         ]
                     })