daddy/internal/mail/mailer.go

53 lines
898 B
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package mail
const (
ContentTypeHTML = "text/html"
ContentTypeText = "text/plain"
)
type Option struct {
Host string
Port int
User string
Password string
InsecureSkipVerify bool
UseStartTLS bool
}
type OptionFunc func(*Option)
type Mailer struct {
opt *Option
}
func WithTLS(useStartTLS, insecureSkipVerify bool) OptionFunc {
return func(opt *Option) {
opt.UseStartTLS = useStartTLS
opt.InsecureSkipVerify = insecureSkipVerify
}
}
func WithServer(host string, port int) OptionFunc {
return func(opt *Option) {
opt.Host = host
opt.Port = port
}
}
func WithCredentials(user, password string) OptionFunc {
return func(opt *Option) {
opt.User = user
opt.Password = password
}
}
func NewMailer(funcs ...OptionFunc) *Mailer {
opt := &Option{}
for _, fn := range funcs {
fn(opt)
}
return &Mailer{opt}
}