Merge pull request #651 from swagger-api/codegen-issue-10187

find referenced schemas for schema type method

Author: HugoMario

src/main/java/io/swagger/codegen/v3/generators/dotnet/CSharpClientCodegen.java

@@ -10,6 +10,7 @@
 import io.swagger.codegen.v3.CodegenProperty;
 import io.swagger.codegen.v3.CodegenType;
 import io.swagger.codegen.v3.SupportingFile;
+import io.swagger.codegen.v3.generators.util.OpenAPIUtil;
 import io.swagger.v3.oas.models.media.Schema;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -491,6 +492,19 @@ public Map<String, Object> postProcessOperations(Map<String, Object> objs) {
         return objs;
     }
 
+    @Override
+    public String getSchemaType(Schema schema) {
+        String schemaType = super.getSchemaType(schema);
+
+        if (schema.get$ref() != null) {
+            final Schema refSchema = OpenAPIUtil.getSchemaFromName(schemaType, this.openAPI);
+            if (refSchema != null && !isObjectSchema(refSchema) && (refSchema.getEnum() == null || refSchema.getEnum().isEmpty())) {
+                schemaType = super.getSchemaType(refSchema);
+            }
+        }
+        return schemaType;
+    }
+
     @Override
     public CodegenType getTag() {
         return CodegenType.CLIENT;