From 3750021bec34b219a496fa9635134e66031d038f Mon Sep 17 00:00:00 2001
From: Viacheslav Poturaev <vearutop@gmail.com>
Date: Wed, 1 Jan 2025 15:05:44 +0100
Subject: [PATCH] Add example to dump schema (#216)

---
 _examples/advanced-generic-openapi31/main.go   | 9 ++++++++-
 _examples/advanced-generic-openapi31/router.go | 2 +-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/_examples/advanced-generic-openapi31/main.go b/_examples/advanced-generic-openapi31/main.go
index 6b31471..aa33ab8 100644
--- a/_examples/advanced-generic-openapi31/main.go
+++ b/_examples/advanced-generic-openapi31/main.go
@@ -4,6 +4,7 @@ package main
 
 import (
 	"context"
+	"encoding/json"
 	"errors"
 	"log"
 	"net/http"
@@ -36,7 +37,13 @@ func main() {
 		close(idleConnsClosed)
 	}()
 
-	srv.Handler = NewRouter()
+	r := NewRouter()
+
+	// You can access OpenAPI schema of an instrumented *web.Service if you need.
+	j, _ := json.Marshal(r.OpenAPISchema())
+	println("OpenAPI schema head:", string(j)[0:300], "...")
+
+	srv.Handler = r
 	srv.Addr = "localhost:8012"
 
 	log.Println("http://localhost:8012/docs")
diff --git a/_examples/advanced-generic-openapi31/router.go b/_examples/advanced-generic-openapi31/router.go
index 93c0063..9e65613 100644
--- a/_examples/advanced-generic-openapi31/router.go
+++ b/_examples/advanced-generic-openapi31/router.go
@@ -25,7 +25,7 @@ import (
 	"github.com/swaggest/usecase"
 )
 
-func NewRouter() http.Handler {
+func NewRouter() *web.Service {
 	r := openapi31.NewReflector()
 	s := web.NewService(r)