first commit

services/email_service.go

@@ -0,0 +1,53 @@
+package services
+
+import (
+	"fmt"
+	"net/smtp"
+	"strings"
+
+	configs "ares/config"
+)
+
+type EmailService struct{}
+
+func NewEmailService() *EmailService {
+	return &EmailService{}
+}
+
+func (s *EmailService) Send(to, subject, body string) error {
+	host := strings.TrimSpace(configs.AppConfig.EmailHost)
+	port := strings.TrimSpace(configs.AppConfig.EmailPort)
+	from := strings.TrimSpace(configs.AppConfig.EmailFrom)
+
+	if host == "" || port == "" || from == "" {
+		return fmt.Errorf("email configuration is incomplete")
+	}
+
+	addr := host + ":" + port
+	username := strings.TrimSpace(configs.AppConfig.EmailHostUser)
+	password := strings.TrimSpace(configs.AppConfig.EmailHostPassword)
+
+	var auth smtp.Auth
+	if username != "" && password != "" {
+		auth = smtp.PlainAuth("", username, password, host)
+	}
+
+	message := "From: " + from + "\r\n" +
+		"To: " + to + "\r\n" +
+		"Subject: " + subject + "\r\n" +
+		"MIME-Version: 1.0\r\n" +
+		"Content-Type: text/plain; charset=UTF-8\r\n\r\n" +
+		body
+
+	return smtp.SendMail(addr, auth, from, []string{to}, []byte(message))
+}
+
+func (s *EmailService) SendVerificationEmail(to, firstName, verifyURL string) error {
+	subject := "Email verification"
+	body := fmt.Sprintf(
+		"Hi %s,\n\nPlease verify your email by opening this link:\n%s\n\nIf you did not create this account, you can ignore this email.",
+		firstName,
+		verifyURL,
+	)
+	return s.Send(to, subject, body)
+}