feat(goctl): Support gateway sample generation (#3049)

tools/goctl/gateway/cmd.go

@@ -0,0 +1,60 @@
+package gateway
+
+import (
+	_ "embed"
+	"os"
+	"path/filepath"
+
+	"github.com/spf13/cobra"
+	"github.com/zeromicro/go-zero/tools/goctl/internal/cobrax"
+	"github.com/zeromicro/go-zero/tools/goctl/util/ctx"
+	"github.com/zeromicro/go-zero/tools/goctl/util/pathx"
+)
+
+var (
+	varStringHome   string
+	varStringRemote string
+	varStringBranch string
+	varStringDir    string
+
+	Cmd = cobrax.NewCommand("gateway", cobrax.WithRunE(generateGateway))
+)
+
+func init() {
+	Cmd.PersistentFlags().StringVar(&varStringHome, "home")
+	Cmd.PersistentFlags().StringVar(&varStringRemote, "remote")
+	Cmd.PersistentFlags().StringVar(&varStringBranch, "branch")
+	Cmd.PersistentFlags().StringVar(&varStringDir, "dir")
+}
+
+func generateGateway(*cobra.Command, []string) error {
+	if err:=pathx.MkdirIfNotExist(varStringDir);err!=nil{
+		return err
+	}
+
+	if _,err:=ctx.Prepare(varStringDir);err!=nil{
+		return err
+	}
+
+	etcContent, err := pathx.LoadTemplate(category, etcTemplateFileFile, etcTemplate)
+	if err != nil {
+		return err
+	}
+
+	mainContent, err := pathx.LoadTemplate(category, mainTemplateFile, mainTemplate)
+	if err != nil {
+		return err
+	}
+
+	etcDir := filepath.Join(varStringDir, "etc")
+	if err := pathx.MkdirIfNotExist(etcDir); err != nil {
+		return err
+	}
+	etcFile := filepath.Join(etcDir, "gateway.yaml")
+	if err := os.WriteFile(etcFile, []byte(etcContent), 0644); err != nil {
+		return err
+	}
+
+	mainFile := filepath.Join(varStringDir, "main.go")
+	return os.WriteFile(mainFile, []byte(mainContent), 0644)
+}