gqlgen: add a small program to go:generate the code

1 files changed, 46 insertions, 0 deletions

diff --git a/graphql/gen_graphql.go b/graphql/gen_graphql.go
new file mode 100644
index 00000000..fb0cfa68
--- /dev/null
+++ b/graphql/gen_graphql.go
@@ -0,0 +1,46 @@
+// +build ignore
+
+package main
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"path"
+
+	"github.com/vektah/gqlgen/codegen"
+)
+
+func main() {
+	current, err := os.Getwd()
+	if err != nil {
+		log.Fatal(err.Error())
+	}
+
+	os.Chdir(path.Join(current, "graphql"))
+
+	fmt.Println("Generating graphql code ...")
+
+	log.SetOutput(ioutil.Discard)
+
+	config, err := codegen.LoadDefaultConfig()
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	schemaRaw, err := ioutil.ReadFile(config.SchemaFilename)
+	if err != nil {
+		log.Fatal("unable to open schema: " + err.Error())
+	}
+	config.SchemaStr = string(schemaRaw)
+
+	if err = config.Check(); err != nil {
+		log.Fatal("invalid config format: " + err.Error())
+	}
+
+	err = codegen.Generate(*config)
+	if err != nil {
+		log.Fatal(err.Error())
+	}
+}