ax/cmd/edit.go

package cmd

import (
	"axolotl/db"
	"axolotl/output"
	"fmt"
	"os"
	"os/exec"

	"github.com/spf13/cobra"
)

var editCmd = &cobra.Command{
	Use: "edit <id>", Short: "Edit node content in $EDITOR", Args: cobra.ExactArgs(1),
	Run: func(cmd *cobra.Command, args []string) {
		d, err := db.GetDB()
		if err != nil {
			fmt.Fprintln(os.Stderr, err)
			return
		}
		n, err := d.NodeByID(args[0])
		if err != nil {
			fmt.Fprintln(os.Stderr, "node not found:", args[0])
			return
		}

		tmp, err := os.CreateTemp("", "ax-*.md")
		if err != nil {
			fmt.Fprintln(os.Stderr, "failed to create temp file:", err)
			return
		}
		tmp.WriteString(n.Content)
		tmp.Close()
		defer os.Remove(tmp.Name())

		editor := os.Getenv("EDITOR")
		if editor == "" {
			editor = "vi"
		}
		c := exec.Command(editor, tmp.Name())
		c.Stdin, c.Stdout, c.Stderr = os.Stdin, os.Stdout, os.Stderr
		if err := c.Run(); err != nil {
			fmt.Fprintln(os.Stderr, "editor failed:", err)
			return
		}

		if content, err := os.ReadFile(tmp.Name()); err == nil {
			c := string(content)
			if err := d.UpdateNode(args[0], db.UpdateParams{Content: &c}); err != nil {
				fmt.Fprintln(os.Stderr, "failed to update:", err)
				return
			}
			n, _ = d.NodeByID(args[0])
			output.PrintNode(cmd.OutOrStdout(), n, jsonFlag)
		} else {
			fmt.Fprintln(os.Stderr, "failed to read temp file:", err)
		}
	},
}

func init() {
	rootCmd.AddCommand(editCmd)
}