Email developments

src/email/email.go

@@ -0,0 +1,41 @@
+package email
+
+import (
+	"fmt"
+	"net/smtp"
+	"strings"
+)
+
+type Email struct {
+	Sender  string
+	To      []string
+	Subject string
+	Body    string
+}
+
+type MailSender struct {
+	Auth smtp.Auth
+	From string
+}
+
+func NewMailSender(auth smtp.Auth, from string) MailSender {
+	return MailSender{
+		Auth: auth,
+		From: from,
+	}
+}
+
+func buildEmail(mail Email) []byte {
+	message := "MIME-version: 1.0;\nContent-Type: text/html; charset=\"UTF-8\";\r\n"
+	message += fmt.Sprintf("From: %s\r\n", mail.Sender)
+	message += fmt.Sprintf("To: %s\r\n", strings.Join(mail.To, ";"))
+	message += fmt.Sprintf("Subject: %s\r\n", mail.Subject)
+	message += fmt.Sprintf("\r\n%s\r\n", mail.Body)
+
+	return []byte(message)
+}
+
+func (ms *MailSender) SendEmail(addr string, mail Email) error {
+	err := smtp.SendMail(addr, ms.Auth, ms.From, mail.To, buildEmail(mail))
+	return err
+}