kamiazya/memomail

package editor

import (
    "io/ioutil"
    "os"
    "os/exec"

    "github.com/kamiazya/memomail/model/message"
)

type editor struct {
    app
}

func (e *editor) WriteMessage() (msg *message.Message, err error) {
    msg = new(message.Message)

    file, err := ioutil.TempFile("", "memomail")
    if err != nil {
        return nil, err
    }
    defer file.Close()

    cmd := exec.Command(e.command(), e.options(file)...)
    cmd.Stdin = os.Stdin
    cmd.Stdout = os.Stdout
    if err := cmd.Run(); err != nil {
        return nil, err
    }

    *msg, err = ioutil.ReadFile(file.Name())
    if err != nil {
        return nil, err
    }

    return msg, nil
}