refactor: removed error logs from smtp service since they are redundant

backend/internal/services/smtp.go

@@ -26,7 +26,6 @@ import (
 	"strings"
 	"time"
 
-	"go.uber.org/zap"
 	errs "easywish/internal/errors"
 )
 
@@ -35,23 +34,20 @@ type SmtpService interface {
 }
 
 type smtpServiceImpl struct {
-	log *zap.Logger
 }
 
-func NewSmtpService(_log *zap.Logger) SmtpService {
-	return &smtpServiceImpl{log: _log}
+func NewSmtpService() SmtpService {
+	return &smtpServiceImpl{}
 }
 
 func (s *smtpServiceImpl) SendEmail(to string, subject, body string) error {
 	cfg := config.GetConfig()
 
 	if !cfg.SmtpEnabled {
-		s.log.Error("Attempted to send an email with SMTP disabled in the config")
 		return errs.ErrSmtpDisabled
 	}
 
 	if cfg.SmtpServer == "" || cfg.SmtpPort == 0 || cfg.SmtpFrom == "" {
-		s.log.Error("SMTP service settings or the SMTP From paramater are not set")
 		return errs.ErrSmtpMissingConfiguration
 	}
 
@@ -84,14 +80,12 @@ func (s *smtpServiceImpl) SendEmail(to string, subject, body string) error {
 		conn, err = net.DialTimeout("tcp", hostPort, timeout)
 	}
 	if err != nil {
-		s.log.Error("SMTP connection failure", zap.Error(err))
 		return err
 	}
 	defer conn.Close()
 
 	client, err := smtp.NewClient(conn, cfg.SmtpServer)
 	if err != nil {
-		s.log.Error("SMTP client creation failed", zap.Error(err))
 		return err
 	}
 	defer client.Close()
@@ -107,19 +101,16 @@ func (s *smtpServiceImpl) SendEmail(to string, subject, body string) error {
 	if cfg.SmtpUser != "" && cfg.SmtpPassword != "" {
 		auth := smtp.PlainAuth("", cfg.SmtpUser, cfg.SmtpPassword, cfg.SmtpServer)
 		if err = client.Auth(auth); err != nil {
-			s.log.Error("SMTP authentication failure", zap.Error(err))
 			return err
 		}
 	}
 
 	if err = client.Mail(cfg.SmtpFrom); err != nil {
-		s.log.Error("SMTP sender set failed", zap.Error(err))
 		return err
 	}
 
 	for _, recipient := range toSlice {
 		if err = client.Rcpt(recipient); err != nil {
-			s.log.Error("SMTP recipient set failed", zap.Error(err))
 			return err
 		}
 	}
@@ -127,15 +118,12 @@ func (s *smtpServiceImpl) SendEmail(to string, subject, body string) error {
 	// Send email body
 	w, err := client.Data()
 	if err != nil {
-		s.log.Error("SMTP data command failed", zap.Error(err))
 		return err
 	}
 	if _, err = w.Write(message); err != nil {
-		s.log.Error("SMTP message write failed", zap.Error(err))
 		return err
 	}
 	if err = w.Close(); err != nil {
-		s.log.Error("SMTP message close failed", zap.Error(err))
 		return err
 	}