From 7266bdf3078105d083798581a547018982236c8e Mon Sep 17 00:00:00 2001
From: Thomas Gran <t2gran@gmail.com>
Date: Tue, 10 Dec 2024 13:05:50 +0100
Subject: [PATCH] Add endpoint to download Transmodel GraphQL Schema

---
 .../opentripplanner/apis/transmodel/TransmodelAPI.java    | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/application/src/main/java/org/opentripplanner/apis/transmodel/TransmodelAPI.java b/application/src/main/java/org/opentripplanner/apis/transmodel/TransmodelAPI.java
index fe73e8b9887..d2d6379d19b 100644
--- a/application/src/main/java/org/opentripplanner/apis/transmodel/TransmodelAPI.java
+++ b/application/src/main/java/org/opentripplanner/apis/transmodel/TransmodelAPI.java
@@ -2,9 +2,11 @@
 
 import com.fasterxml.jackson.databind.ObjectMapper;
 import graphql.schema.GraphQLSchema;
+import graphql.schema.idl.SchemaPrinter;
 import io.micrometer.core.instrument.Tag;
 import jakarta.ws.rs.BadRequestException;
 import jakarta.ws.rs.Consumes;
+import jakarta.ws.rs.GET;
 import jakarta.ws.rs.POST;
 import jakarta.ws.rs.Path;
 import jakarta.ws.rs.PathParam;
@@ -138,6 +140,12 @@ public Response getGraphQL(String query, @Context HttpHeaders headers) {
     );
   }
 
+  @GET
+  @Path("schema.graphql")
+  public Response getGraphQLSchema() {
+    return Response.ok().encoding("UTF-8").entity(new SchemaPrinter().print(schema)).build();
+  }
+
   private static Iterable<Tag> getTagsFromHeaders(HttpHeaders headers) {
     return tracingHeaderTags
       .stream()