chore: extract mail to it's own service

utils/env.go

@@ -7,44 +7,14 @@ import (
 )
 
 var (
-	SmtpHost     string
-	SmtpPort     string
-	SmtpUser     string
-	SmtpPass     string
-	SmtpFromMail string
-	SmtpFromName string
-	BaseUrl      string
-	Environment  string
+	BaseUrl     string
+	Environment string
 )
 
 func MustInitEnv() {
-	SmtpHost = os.Getenv("SMTP_HOST")
-	SmtpPort = os.Getenv("SMTP_PORT")
-	SmtpUser = os.Getenv("SMTP_USER")
-	SmtpPass = os.Getenv("SMTP_PASS")
-	SmtpFromMail = os.Getenv("SMTP_FROM_MAIL")
-	SmtpFromName = os.Getenv("SMTP_FROM_NAME")
 	BaseUrl = os.Getenv("BASE_URL")
 	Environment = os.Getenv("ENVIRONMENT")
 
-	if SmtpHost == "" {
-		log.Fatal("SMTP_HOST must be set")
-	}
-	if SmtpPort == "" {
-		log.Fatal("SMTP_PORT must be set")
-	}
-	if SmtpUser == "" {
-		log.Fatal("SMTP_USER must be set")
-	}
-	if SmtpPass == "" {
-		log.Fatal("SMTP_PASS must be set")
-	}
-	if SmtpFromMail == "" {
-		log.Fatal("SMTP_FROM_MAIL must be set")
-	}
-	if SmtpFromName == "" {
-		log.Fatal("SMTP_FROM_NAME must be set")
-	}
 	if BaseUrl == "" {
 		log.Fatal("BASE_URL must be set")
 	}

utils/mail.go

@@ -1,15 +0,0 @@
-package utils
-
-import (
-	"fmt"
-	"net/smtp"
-)
-
-func SendMail(to string, subject string, message string) error {
-
-	auth := smtp.PlainAuth("", SmtpUser, SmtpPass, SmtpHost)
-
-	msg := fmt.Sprintf("From: %v <%v>\nTo: %v\nSubject: %v\nMIME-version: 1.0;\nContent-Type: text/html; charset=\"UTF-8\";\n\n%v", SmtpFromName, SmtpFromMail, to, subject, message)
-
-	return smtp.SendMail(SmtpHost+":"+SmtpPort, auth, SmtpFromMail, []string{to}, []byte(msg))
-}