From bece8d2a3984ee7b44d519251b7e629732df4df5 Mon Sep 17 00:00:00 2001
From: sunn <33183834+etherealjoy@users.noreply.github.com>
Date: Tue, 3 Jul 2018 08:23:43 +0200
Subject: [PATCH] [aspnetcore] Add processing of Port defined in spec (#368)

---
 .../languages/AspNetCoreServerCodegen.java        | 15 ++++++++++++++-
 .../main/resources/aspnetcore/Program.mustache    |  3 ++-
 .../aspnetcore/src/Org.OpenAPITools/Program.cs    |  3 ++-
 3 files changed, 18 insertions(+), 3 deletions(-)

diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AspNetCoreServerCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AspNetCoreServerCodegen.java
index ab6941032e..1c269a15d5 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AspNetCoreServerCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/AspNetCoreServerCodegen.java
@@ -21,13 +21,16 @@ import com.fasterxml.jackson.core.JsonProcessingException;
 
 import com.samskivert.mustache.Mustache;
 
+import io.swagger.v3.oas.models.OpenAPI;
+
 import org.openapitools.codegen.*;
 import org.openapitools.codegen.utils.ModelUtils;
-
+import org.openapitools.codegen.utils.URLPathUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.io.File;
+import java.net.URL;
 import java.util.*;
 
 import static java.util.UUID.randomUUID;
@@ -42,6 +45,9 @@ public class AspNetCoreServerCodegen extends AbstractCSharpCodegen {
     protected Logger LOGGER = LoggerFactory.getLogger(AspNetCoreServerCodegen.class);
 
     private boolean useSwashbuckle = true;
+    protected int serverPort = 8080;
+    protected String serverHost = "0.0.0.0";
+
 
     public AspNetCoreServerCodegen() {
         super();
@@ -112,6 +118,13 @@ public class AspNetCoreServerCodegen extends AbstractCSharpCodegen {
     public String getHelp() {
         return "Generates an ASP.NET Core Web API server.";
     }
+    @Override
+    public void preprocessOpenAPI(OpenAPI openAPI) {
+        super.preprocessOpenAPI(openAPI);
+        URL url = URLPathUtils.getServerURL(openAPI);
+        additionalProperties.put("serverHost", url.getHost());
+        additionalProperties.put("serverPort", URLPathUtils.getPort(url, 8080));
+    }
 
     @Override
     public void processOpts() {
diff --git a/modules/openapi-generator/src/main/resources/aspnetcore/Program.mustache b/modules/openapi-generator/src/main/resources/aspnetcore/Program.mustache
index b71c858489..7de8377998 100644
--- a/modules/openapi-generator/src/main/resources/aspnetcore/Program.mustache
+++ b/modules/openapi-generator/src/main/resources/aspnetcore/Program.mustache
@@ -24,7 +24,8 @@ namespace {{packageName}}
         /// <returns>Webhost</returns>
         public static IWebHost BuildWebHost(string[] args) =>
             WebHost.CreateDefaultBuilder(args)
-                .UseStartup<Startup>()
+                .UseStartup<Startup>()                
+                .UseUrls("http://0.0.0.0:{{#serverPort}}{{serverPort}}{{/serverPort}}{{^serverPort}}8080{{/serverPort}}/")
                 .Build();
     }
 }
diff --git a/samples/server/petstore/aspnetcore/src/Org.OpenAPITools/Program.cs b/samples/server/petstore/aspnetcore/src/Org.OpenAPITools/Program.cs
index d4fb205bac..3da6fd0a6d 100644
--- a/samples/server/petstore/aspnetcore/src/Org.OpenAPITools/Program.cs
+++ b/samples/server/petstore/aspnetcore/src/Org.OpenAPITools/Program.cs
@@ -24,7 +24,8 @@ namespace Org.OpenAPITools
         /// <returns>Webhost</returns>
         public static IWebHost BuildWebHost(string[] args) =>
             WebHost.CreateDefaultBuilder(args)
-                .UseStartup<Startup>()
+                .UseStartup<Startup>()                
+                .UseUrls("http://0.0.0.0:8080/")
                 .Build();
     }
 }