Generate code after init

cmd/init.go

@@ -61,11 +61,32 @@ var initCmd = &cobra.Command{
 	Long:  "",
 	Run: func(cmd *cobra.Command, args []string) {
 		initSchema()
-		initConfig()
+		config := initConfig()
+
+		generateGraph(config)
 	},
 }
 
-func initConfig() {
+func generateGraph(config *codegen.Config) {
+	schemaRaw, err := ioutil.ReadFile(config.SchemaFilename)
+	if err != nil {
+		fmt.Fprintln(os.Stderr, "unable to open schema: "+err.Error())
+		os.Exit(1)
+	}
+	config.SchemaStr = string(schemaRaw)
+
+	if err = config.Check(); err != nil {
+		fmt.Fprintln(os.Stderr, "invalid config format: "+err.Error())
+		os.Exit(1)
+	}
+
+	if err := codegen.Generate(*config); err != nil {
+		fmt.Fprintln(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+}
+
+func initConfig() *codegen.Config {
 	var config *codegen.Config
 	var err error
 	if configFilename != "" {
@@ -84,6 +105,10 @@ func initConfig() {
 				configFilename = ".gqlgen.yml"
 			}
 			config = codegen.DefaultConfig()
+			config.Resolver = codegen.PackageConfig{
+				Filename: "resolver.go",
+				Type:     "Resolver",
+			}
 		} else if config != nil {
 			fmt.Fprintln(os.Stderr, "config file is already exists")
 			os.Exit(0)
@@ -130,6 +155,8 @@ func initConfig() {
 		fmt.Fprintln(os.Stderr, "unable to write config file: "+err.Error())
 		os.Exit(1)
 	}
+
+	return config
 }
 
 func initSchema() {