examples: fix code

mjarkk · Oct 5, 2021 · aee34e0 · aee34e0
1 parent 7dca9ab
commit aee34e0
Show file tree

Hide file tree

Showing 4 changed files with 11 additions and 2 deletions.
diff --git a/examples/gin/go-graphql-gin-example b/examples/gin/go-graphql-gin-example
diff --git a/examples/gin/main.go b/examples/gin/main.go
@@ -4,6 +4,7 @@ import (
 	"io/ioutil"
 	"log"
 	"mime/multipart"
+	"sync"
 
 	"github.com/gin-gonic/gin"
 	"github.com/mjarkk/go-graphql"
@@ -12,11 +13,15 @@ import (
 func main() {
 	r := gin.Default()
 
-	graphqlSchema, err := graphql.ParseSchema(QueryRoot{}, MethodRoot{}, nil)
+	graphqlSchema := graphql.NewSchema()
+	err := graphqlSchema.Parse(QueryRoot{}, MethodRoot{}, nil)
 	if err != nil {
 		log.Fatal(err)
 	}
 
+	// The GraphQL is not thread safe so we use this lock to prevent race conditions and other errors
+	var lock sync.Mutex
+
 	r.Any("/graphql", func(c *gin.Context) {
 		var form *multipart.Form
 
@@ -30,6 +35,9 @@ func main() {
 			return form, err
 		}
 
+		lock.Lock()
+		defer lock.Unlock()
+
 		res, _ := graphqlSchema.HandleRequest(
 			c.Request.Method,
 			c.Query,

diff --git a/examples/viber/go-graphql-viber-example b/examples/viber/go-graphql-viber-example
diff --git a/examples/viber/main.go b/examples/viber/main.go
@@ -11,7 +11,8 @@ import (
 func main() {
 	app := fiber.New()
 
-	graphqlSchema, err := graphql.ParseSchema(QueryRoot{}, MethodRoot{}, nil)
+	graphqlSchema := graphql.NewSchema()
+	err := graphqlSchema.Parse(QueryRoot{}, MethodRoot{}, nil)
 	if err != nil {
 		log.Fatal(err)
 	}