Add CC header to mail sent after school subscription

mail/mail.go

@@ -14,6 +14,7 @@ type Subscriber interface {
 	Username() string
 	Password() string
 	To() string
+	Cc() string
 }
 
 type MailSender struct {
@@ -39,6 +40,7 @@ func (ms *MailSender) SendSubscriptionMail(rcv Subscriber) error {
 	m.SetHeader("Subject", ms.config.Smtp.Subject)
 	m.SetHeader("From", ms.config.Smtp.From)
 	m.SetHeader("To", rcv.To())
+	m.SetHeader("Cc", rcv.Cc())
 	m.SetHeader("Bcc", ms.config.Smtp.Bcc)
 
 	err := ms.mailTpl.Execute(&body, rcv)

orm/school.go

@@ -102,6 +102,10 @@ func (model *School) To() string {
 	return model.Email
 }
 
+func (model *School) Cc() string {
+	return model.SchoolContactPersonEmail
+}
+
 func (model *School) SetCreatorID(id uint) {
 	model.CreatorID = id
 }