legacy-templates-with-mailer-helper.md

Legacy Templates - With Mail Helper Class

package main

import (
  "fmt"
  "log"
  "os"

  "github.com/sendgrid/sendgrid-go"
  "github.com/sendgrid/sendgrid-go/helpers/mail"
)

func main() {
  from := mail.NewEmail("Example User", "[email protected]")
  subject := "I'm replacing the subject tag"
  to := mail.NewEmail("Example User", "[email protected]")
  content := mail.NewContent("text/html", "I'm replacing the <strong>body tag</strong>")
  m := mail.NewV3MailInit(from, subject, to, content)
  m.Personalizations[0].SetSubstitution("-name-", "Example User")
  m.Personalizations[0].SetSubstitution("-city-", "Denver")
  m.SetTemplateID("13b8f94f-bcae-4ec6-b752-70d6cb59f932")

  request := sendgrid.GetRequest(os.Getenv("SENDGRID_API_KEY"), "/v3/mail/send", "https://api.sendgrid.com")
  request.Method = "POST"
  request.Body = mail.GetRequestBody(m)
  response, err := sendgrid.API(request)
  if err != nil {
    log.Println(err)
  } else {
    fmt.Println(response.StatusCode)
    fmt.Println(response.Body)
    fmt.Println(response.Headers)
  }
}