Implement mailer and add welcome email for POP account

helpers/authelia/mail.go

@@ -0,0 +1,66 @@
+package authelia
+
+import (
+	ht "html/template"
+	tt "text/template"
+
+	"git.readonly.ch/bouzoure/pop-camarades/helpers"
+	"git.readonly.ch/bouzoure/pop-camarades/models"
+)
+
+type InputWelcomeMail struct {
+	Person   models.Person
+	ResetURL string
+}
+
+func SendWelcomeMail(person models.Person) error {
+	config, err := helpers.GetConfig()
+	if err != nil {
+		return err
+	}
+
+	mailer, err := helpers.GetMailer()
+	if err != nil {
+		return err
+	}
+
+	msg, err := helpers.NewMessage()
+	if err != nil {
+		return err
+	}
+
+	mailsFS, err := helpers.GetEmbeddedFS("mails")
+	if err != nil {
+		return err
+	}
+
+	inputValues := InputWelcomeMail{
+		Person:   person,
+		ResetURL: config.Authelia.ResetURL,
+	}
+
+	tplHTML, err := ht.ParseFS(mailsFS, "mails/welcome.html")
+	if err != nil {
+		return err
+	}
+
+	tplTXT, err := tt.ParseFS(mailsFS, "mails/welcome.txt")
+	if err != nil {
+		return err
+	}
+
+	msg.Subject("Ton compte POP Vaud")
+	msg.AddTo(person.Email)
+
+	err = msg.SetBodyHTMLTemplate(tplHTML, inputValues)
+	if err != nil {
+		return err
+	}
+
+	err = msg.AddAlternativeTextTemplate(tplTXT, inputValues)
+	if err != nil {
+		return err
+	}
+
+	return mailer.DialAndSend(msg)
+}