gqlgen httprouter recipe

gqlgenとhttprouteの組み方

import (
     "net/http"
     ...
     "github.com/99designs/gqlgen/graphql/handler"
     "github.com/99designs/gqlgen/graphql/playground"
     "github.com/julienschmidt/httprouter"
)

// Defining the Playground handler
func PlaygroundHandler() httprouter.Handle {
    h := playground.Handler("GraphQL", "/query")

    return func(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
        h.ServeHTTP(w, req)
    }
}

// Defining the Graphql handler
func GraphqlHandler() httprouter.Handle {
      // NewExecutableSchema and Config are in the generated.go file
     // Resolver is in the resolver.go file
    h := handler.NewDefaultServer(generated.NewExecutableSchema(generated.Config{Resolvers: &graph.Resolver{}}))

    return func(w http.ResponseWriter, req *http.Request, ps httprouter.Params) {
        h.ServeHTTP(w, req)
    }
}

func main() {
    // Setting up httprouter
    r := httprouter.New()
    r.POST("/query", GraphqlHandler())
    r.GET("/", PlaygroundHandler())
    ...
}