Add model name mappings support to the Elixir client generator

bin/configs/elixir.yaml

@@ -4,3 +4,10 @@ inputSpec: modules/openapi-generator/src/test/resources/3_0/petstore-with-fake-e
 templateDir: modules/openapi-generator/src/main/resources/elixir
 additionalProperties:
   invokerPackage: OpenapiPetstore
+modelNameMappings:
+  DeprecatedObject: DeprecatedModel
+# the following options have no effect on elixir client gen which uses baseName
+nameMappings:
+  deprecatedRef: deprecatedReference
+parameterNameMapping:
+  ioutils: ioutils_parameter

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

@@ -482,13 +482,24 @@ public String toApiFilename(String name) {
 
     @Override
     public String toModelName(String name) {
+        // obtain the name from modelNameMapping directly if provided
+        if (modelNameMapping.containsKey(name)) {
+            return modelNameMapping.get(name);
+        }
+
         // camelize the model name
         // phone_number => PhoneNumber
         return camelize(toModelFilename(name));
     }
 
     @Override
     public String toModelFilename(String name) {
+        // obtain the name from modelNameMapping directly if provided
+        // and convert it to snake case
+        if (modelNameMapping.containsKey(name)) {
+            return underscore(modelNameMapping.get(name));
+        }
+
         if (!StringUtils.isEmpty(modelNamePrefix)) {
             name = modelNamePrefix + "_" + name;
         }
@@ -991,4 +1002,5 @@ public void setModuleName(String moduleName) {
 
     @Override
     public GeneratorLanguage generatorLanguage() { return GeneratorLanguage.ELIXIR; }
+
 }

samples/client/petstore/elixir/.openapi-generator/FILES

@@ -26,7 +26,7 @@ lib/openapi_petstore/model/cat.ex
 lib/openapi_petstore/model/category.ex
 lib/openapi_petstore/model/class_model.ex
 lib/openapi_petstore/model/client.ex
-lib/openapi_petstore/model/deprecated_object.ex
+lib/openapi_petstore/model/deprecated_model.ex
 lib/openapi_petstore/model/dog.ex
 lib/openapi_petstore/model/enum_arrays.ex
 lib/openapi_petstore/model/enum_class.ex

samples/client/petstore/elixir/lib/openapi_petstore/model/deprecated_object.ex → samples/client/petstore/elixir/lib/openapi_petstore/model/deprecated_model.ex

@@ -1,7 +1,7 @@
 # NOTE: This file is auto generated by OpenAPI Generator 7.0.0-SNAPSHOT (https://openapi-generator.tech).
 # Do not edit this file manually.
 
-defmodule OpenapiPetstore.Model.DeprecatedObject do
+defmodule OpenapiPetstore.Model.DeprecatedModel do
   @moduledoc """
 
   """

samples/client/petstore/elixir/lib/openapi_petstore/model/object_with_deprecated_fields.ex

@@ -17,15 +17,15 @@ defmodule OpenapiPetstore.Model.ObjectWithDeprecatedFields do
   @type t :: %__MODULE__{
     :uuid => String.t | nil,
     :id => float() | nil,
-    :deprecatedRef => OpenapiPetstore.Model.DeprecatedObject.t | nil,
+    :deprecatedRef => OpenapiPetstore.Model.DeprecatedModel.t | nil,
     :bars => [String.t] | nil
   }
 
   alias OpenapiPetstore.Deserializer
 
   def decode(value) do
     value
-     |> Deserializer.deserialize(:deprecatedRef, :struct, OpenapiPetstore.Model.DeprecatedObject)
+     |> Deserializer.deserialize(:deprecatedRef, :struct, OpenapiPetstore.Model.DeprecatedModel)
   end
 end