feat: new event

cmd/new_event.go

@@ -0,0 +1,107 @@
+package cmd
+
+import (
+	"fmt"
+	"io/fs"
+	"os"
+	"path/filepath"
+	"text/template"
+
+	"git.ipao.vip/rogeecn/atomctl/pkg/utils/gomod"
+	"git.ipao.vip/rogeecn/atomctl/templates"
+	"github.com/samber/lo"
+	"github.com/spf13/cobra"
+)
+
+// CommandNewProvider 注册 new_provider 命令
+func CommandNewEvent(root *cobra.Command) {
+	cmd := &cobra.Command{
+		Use:     "event",
+		Aliases: []string{"e"},
+		Short:   "创建新的 event publish & subscriber",
+		Args:    cobra.ExactArgs(1),
+		RunE:    commandNewEventE,
+	}
+
+	root.AddCommand(cmd)
+}
+
+func commandNewEventE(cmd *cobra.Command, args []string) error {
+	snakeName := lo.SnakeCase(args[0])
+	camelName := lo.PascalCase(args[0])
+
+	publisherPath := "app/events/publishers"
+	subscriberPath := "app/events/subscribers"
+
+	path, err := os.Getwd()
+	if err != nil {
+		return err
+	}
+
+	path, _ = filepath.Abs(path)
+	err = gomod.Parse(filepath.Join(path, "go.mod"))
+	if err != nil {
+		return err
+	}
+
+	if err := os.MkdirAll(publisherPath, os.ModePerm); err != nil {
+		return err
+	}
+
+	if err := os.MkdirAll(subscriberPath, os.ModePerm); err != nil {
+		return err
+	}
+
+	err = fs.WalkDir(templates.Events, "events", func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+		if d.IsDir() {
+			return nil
+		}
+
+		relPath, err := filepath.Rel("events", path)
+		if err != nil {
+			return err
+		}
+
+		var destPath string
+		if relPath == "publisher.go.tpl" {
+			destPath = filepath.Join(publisherPath, snakeName+".go")
+		} else if relPath == "subscriber.go.tpl" {
+			destPath = filepath.Join(subscriberPath, snakeName+".go")
+		}
+
+		tmpl, err := template.ParseFS(templates.Events, path)
+		if err != nil {
+			return err
+		}
+
+		destFile, err := os.Create(destPath)
+		if err != nil {
+			return err
+		}
+		defer destFile.Close()
+
+		return tmpl.Execute(destFile, map[string]string{
+			"Name":       camelName,
+			"ModuleName": gomod.GetModuleName(),
+		})
+	})
+
+	topicStr := fmt.Sprintf("const Topic%s = %q\n", camelName, snakeName)
+	// 写入到 app/events/topic.go
+	topicFile, err := os.OpenFile("app/events/topics.go", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o644)
+	if err != nil {
+		return err
+	}
+	defer topicFile.Close()
+
+	_, err = topicFile.WriteString(topicStr)
+	if err != nil {
+		return err
+	}
+
+	fmt.Printf("event 已创建: %s\n", snakeName)
+	return nil
+}