[csharp][generichost] Better handling of duplicate operation ids

modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java

@@ -5701,8 +5701,6 @@ protected void addHeaders(ApiResponse response, List<CodegenProperty> properties
         }
     }
 
-    private final Map<String, Integer> seenOperationIds = new HashMap<String, Integer>();
-
     /**
      * Add operation to group
      *
@@ -5723,18 +5721,13 @@ public void addOperationToGroup(String tag, String resourcePath, Operation opera
         }
         // check for operationId uniqueness
         String uniqueName = co.operationId;
-        int counter = seenOperationIds.getOrDefault(uniqueName, 0);
-        while (seenOperationIds.containsKey(uniqueName)) {
-            uniqueName = co.operationId + "_" + counter;
-            counter++;
-        }
+        int counter = 0;
         for (CodegenOperation op : opList) {
             if (uniqueName.equals(op.operationId)) {
                 uniqueName = co.operationId + "_" + counter;
                 counter++;
             }
         }
-        seenOperationIds.put(co.operationId, counter);
         if (!co.operationId.equals(uniqueName)) {
             LOGGER.warn("generated unique operationId `{}`", uniqueName);
         }

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AbstractCSharpCodegen.java

@@ -820,6 +820,7 @@ private void postProcessResponseCode(CodegenResponse response, String status, Se
             httpStatusesWithReturn.add(status);
         }
     }
+    private HashMap<String, String> duplicateOf = new HashMap<String, String>();
 
     @Override
     @SuppressWarnings("unchecked")
@@ -839,6 +840,12 @@ public OperationsMap postProcessOperationsWithModels(OperationsMap objs, List<Mo
             if (operations != null) {
                 List<CodegenOperation> ops = operations.getOperation();
                 for (CodegenOperation operation : ops) {
+                    String duplicates = duplicateOf.get(operation.operationId);
+                    if (duplicates != null) {
+                        operation.vendorExtensions.put("x-duplicates", duplicates);
+                    } else {
+                        duplicateOf.put(operation.operationId, operations.getClassname());
+                    }
                     if (operation.responses != null) {
                         for (CodegenResponse response : operation.responses) {
 

modules/openapi-generator/src/main/resources/csharp/libraries/generichost/api.mustache

@@ -85,6 +85,7 @@ namespace {{packageName}}.{{apiPackage}}
         {{/operation}}
     }
     {{#operation}}
+    {{^vendorExtensions.x-duplicates}}
     {{#responses}}
     {{#-first}}
 
@@ -115,6 +116,7 @@ namespace {{packageName}}.{{apiPackage}}
     }
     {{/-first}}
     {{/responses}}
+    {{/vendorExtensions.x-duplicates}}
     {{/operation}}
 
     /// <summary>
@@ -134,7 +136,7 @@ namespace {{packageName}}.{{apiPackage}}
         /// </summary>
         public event EventHandler<ExceptionEventArgs>{{nrt?}} OnError{{operationId}};
 
-        internal void ExecuteOn{{operationId}}({{classname}}.{{operationId}}ApiResponse apiResponse)
+        internal void ExecuteOn{{operationId}}({{#vendorExtensions.x-duplicates}}{{.}}{{/vendorExtensions.x-duplicates}}{{^vendorExtensions.x-duplicates}}{{classname}}{{/vendorExtensions.x-duplicates}}.{{operationId}}ApiResponse apiResponse)
         {
             On{{operationId}}?.Invoke(this, new ApiResponseEventArgs(apiResponse));
         }
@@ -619,9 +621,9 @@ namespace {{packageName}}.{{apiPackage}}
                     {
                         string responseContentLocalVar = await httpResponseMessageLocalVar.Content.ReadAsStringAsync({{#net60OrLater}}cancellationToken{{/net60OrLater}}).ConfigureAwait(false);
 
-                        ILogger<{{operationId}}ApiResponse> apiResponseLoggerLocalVar = LoggerFactory.CreateLogger<{{operationId}}ApiResponse>();
+                        ILogger<{{#vendorExtensions.x-duplicates}}{{.}}.{{/vendorExtensions.x-duplicates}}{{operationId}}ApiResponse> apiResponseLoggerLocalVar = LoggerFactory.CreateLogger<{{#vendorExtensions.x-duplicates}}{{.}}.{{/vendorExtensions.x-duplicates}}{{operationId}}ApiResponse>();
 
-                        {{operationId}}ApiResponse apiResponseLocalVar = new{{^net60OrLater}} {{operationId}}ApiResponse{{/net60OrLater}}(apiResponseLoggerLocalVar, httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "{{{path}}}", requestedAtLocalVar, _jsonSerializerOptions);
+                        {{#vendorExtensions.x-duplicates}}{{.}}.{{/vendorExtensions.x-duplicates}}{{operationId}}ApiResponse apiResponseLocalVar = new{{^net60OrLater}} {{operationId}}ApiResponse{{/net60OrLater}}(apiResponseLoggerLocalVar, httpRequestMessageLocalVar, httpResponseMessageLocalVar, responseContentLocalVar, "{{{path}}}", requestedAtLocalVar, _jsonSerializerOptions);
 
                         After{{operationId}}DefaultImplementation({{#lambda.joinWithComma}}apiResponseLocalVar  {{#allParams}}{{paramName}}  {{/allParams}}{{/lambda.joinWithComma}});
 
@@ -680,6 +682,7 @@ namespace {{packageName}}.{{apiPackage}}
             }
             {{/lambda.trimLineBreaks}}
         }
+        {{^vendorExtensions.x-duplicates}}
         {{#responses}}
         {{#-first}}
 
@@ -792,6 +795,7 @@ namespace {{packageName}}.{{apiPackage}}
         }
         {{/-first}}
         {{/responses}}
+        {{/vendorExtensions.x-duplicates}}
         {{/operation}}
     }
     {{/operations}}

samples/client/petstore/csharp/generichost/latest/Tags/docs/apis/APIKEYSApi.md

@@ -4,11 +4,11 @@ All URIs are relative to *http://app.files.com/api/rest/v1*
 
 | Method | HTTP request | Description |
 |--------|--------------|-------------|
-| [**GetApiKeysId_1**](APIKEYSApi.md#getapikeysid_1) | **GET** /api_keys/{id} | Show API Key |
+| [**GetApiKeysId**](APIKEYSApi.md#getapikeysid) | **GET** /api_keys/{id} | Show API Key |
 
-<a id="getapikeysid_1"></a>
-# **GetApiKeysId_1**
-> void GetApiKeysId_1 (int id)
+<a id="getapikeysid"></a>
+# **GetApiKeysId**
+> void GetApiKeysId (int id)
 
 Show API Key
 
@@ -24,7 +24,7 @@ using Org.OpenAPITools.Model;
 
 namespace Example
 {
-    public class GetApiKeysId_1Example
+    public class GetApiKeysIdExample
     {
         public static void Main()
         {
@@ -36,11 +36,11 @@ namespace Example
             try
             {
                 // Show API Key
-                apiInstance.GetApiKeysId_1(id);
+                apiInstance.GetApiKeysId(id);
             }
             catch (ApiException  e)
             {
-                Debug.Print("Exception when calling APIKEYSApi.GetApiKeysId_1: " + e.Message);
+                Debug.Print("Exception when calling APIKEYSApi.GetApiKeysId: " + e.Message);
                 Debug.Print("Status Code: " + e.ErrorCode);
                 Debug.Print(e.StackTrace);
             }
@@ -49,18 +49,18 @@ namespace Example
 }
 ```
 
-#### Using the GetApiKeysId_1WithHttpInfo variant
+#### Using the GetApiKeysIdWithHttpInfo variant
 This returns an ApiResponse object which contains the response data, status code and headers.
 
 ```csharp
 try
 {
     // Show API Key
-    apiInstance.GetApiKeysId_1WithHttpInfo(id);
+    apiInstance.GetApiKeysIdWithHttpInfo(id);
 }
 catch (ApiException e)
 {
-    Debug.Print("Exception when calling APIKEYSApi.GetApiKeysId_1WithHttpInfo: " + e.Message);
+    Debug.Print("Exception when calling APIKEYSApi.GetApiKeysIdWithHttpInfo: " + e.Message);
     Debug.Print("Status Code: " + e.ErrorCode);
     Debug.Print(e.StackTrace);
 }

samples/client/petstore/csharp/generichost/latest/Tags/docs/apis/APIKeys0Api.md

@@ -4,11 +4,11 @@ All URIs are relative to *http://app.files.com/api/rest/v1*
 
 | Method | HTTP request | Description |
 |--------|--------------|-------------|
-| [**GetApiKeysId_0**](APIKeysApi.md#getapikeysid_0) | **GET** /api_keys/{id} | Show API Key |
+| [**GetApiKeysId**](APIKeysApi.md#getapikeysid) | **GET** /api_keys/{id} | Show API Key |
 
-<a id="getapikeysid_0"></a>
-# **GetApiKeysId_0**
-> void GetApiKeysId_0 (int id)
+<a id="getapikeysid"></a>
+# **GetApiKeysId**
+> void GetApiKeysId (int id)
 
 Show API Key
 
@@ -24,7 +24,7 @@ using Org.OpenAPITools.Model;
 
 namespace Example
 {
-    public class GetApiKeysId_0Example
+    public class GetApiKeysIdExample
     {
         public static void Main()
         {
@@ -36,11 +36,11 @@ namespace Example
             try
             {
                 // Show API Key
-                apiInstance.GetApiKeysId_0(id);
+                apiInstance.GetApiKeysId(id);
             }
             catch (ApiException  e)
             {
-                Debug.Print("Exception when calling APIKeysApi.GetApiKeysId_0: " + e.Message);
+                Debug.Print("Exception when calling APIKeysApi.GetApiKeysId: " + e.Message);
                 Debug.Print("Status Code: " + e.ErrorCode);
                 Debug.Print(e.StackTrace);
             }
@@ -49,18 +49,18 @@ namespace Example
 }
 ```
 
-#### Using the GetApiKeysId_0WithHttpInfo variant
+#### Using the GetApiKeysIdWithHttpInfo variant
 This returns an ApiResponse object which contains the response data, status code and headers.
 
 ```csharp
 try
 {
     // Show API Key
-    apiInstance.GetApiKeysId_0WithHttpInfo(id);
+    apiInstance.GetApiKeysIdWithHttpInfo(id);
 }
 catch (ApiException e)
 {
-    Debug.Print("Exception when calling APIKeysApi.GetApiKeysId_0WithHttpInfo: " + e.Message);
+    Debug.Print("Exception when calling APIKeysApi.GetApiKeysIdWithHttpInfo: " + e.Message);
     Debug.Print("Status Code: " + e.ErrorCode);
     Debug.Print(e.StackTrace);
 }

samples/client/petstore/csharp/generichost/latest/Tags/src/Org.OpenAPITools.Test/Api/APIKEYSApiTests.cs

@@ -51,13 +51,13 @@ public APIKEYSApiTests(): base(Array.Empty<string>())
         }
 
         /// <summary>
-        /// Test GetApiKeysId_1
+        /// Test GetApiKeysId
         /// </summary>
         [Fact (Skip = "not implemented")]
-        public async Task GetApiKeysId_1AsyncTest()
+        public async Task GetApiKeysIdAsyncTest()
         {
             int id = default!;
-            await _instance.GetApiKeysId_1Async(id);
+            await _instance.GetApiKeysIdAsync(id);
         }
     }
 }

samples/client/petstore/csharp/generichost/latest/Tags/src/Org.OpenAPITools.Test/Api/APIKeys0ApiTests.cs

@@ -51,13 +51,13 @@ public APIKeysApiTests(): base(Array.Empty<string>())
         }
 
         /// <summary>
-        /// Test GetApiKeysId_0
+        /// Test GetApiKeysId
         /// </summary>
         [Fact (Skip = "not implemented")]
-        public async Task GetApiKeysId_0AsyncTest()
+        public async Task GetApiKeysIdAsyncTest()
         {
             int id = default!;
-            await _instance.GetApiKeysId_0Async(id);
+            await _instance.GetApiKeysIdAsync(id);
         }
     }
 }