detector command

detector.go

package main

import (
	"fmt"
	"log"
	"net/smtp"

	"github.com/PuerkitoBio/goquery"
)

func main() {
	auth := smtp.PlainAuth(
		"",
		"gmail",
		"password",
		"smtp.gmail.com",
	)

	url := ""

	doc, err := goquery.NewDocument(url)
	if err != nil {
		fmt.Println(err)
	}

	doc.Find(".add_area").Each(func(i int, s *goquery.Selection) {
		ptag := s.Find("p")
		text := ptag.Text()
		if text != "SOLD OUT" {
			err := smtp.SendMail(
				"smtp.gmail.com:587",
				auth,
				"daison@daison.com", //foo@gmail.com
				[]string{"gmail"},
				[]byte("change!!!!"),
			)
			if err != nil {
				log.Fatal(err)
			}
		}
	})
}