support reset password by email reset link

pkg/mail/mailer_container.go

@@ -0,0 +1,37 @@
+package mail
+
+import (
+	"github.com/mayswind/ezbookkeeping/pkg/settings"
+)
+
+// MailerContainer contains the current mailer
+type MailerContainer struct {
+	Current Mailer
+}
+
+// Initialize a mailer container singleton instance
+var (
+	Container = &MailerContainer{}
+)
+
+// InitializeMailer initializes the current mailer according to the config
+func InitializeMailer(config *settings.Config) error {
+	if !config.EnableSmtp {
+		Container.Current = nil
+		return nil
+	}
+
+	mailer, err := NewDefaultMailer(config.SmtpConfig)
+
+	if err != nil {
+		return err
+	}
+
+	Container.Current = mailer
+	return nil
+}
+
+// SendMail sends an email according to argument
+func (u *MailerContainer) SendMail(message *MailMessage) error {
+	return u.Current.SendMail(message)
+}