func setBody(mail *sendgrid.SGMail, event *Event) (*sendgrid.SGMail, error) {
if event.Body == nil {
return nil, ErrSendgridBodyEmpty
}
bodyType := event.Body.Type
switch bodyType {
case HtmlBodyType:
mail.SetHTML(event.Body.Content)
case TextBodyType:
mail.SetText(event.Body.Content)
}
return mail, nil
}
