From f65f378dd935d45d8da9b16798591e961ef6942e Mon Sep 17 00:00:00 2001
From: slaventius <slaventius@mail.ru>
Date: Wed, 15 Mar 2023 11:38:34 +0300
Subject: [PATCH] *

---
 internal/authPostman.go | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/internal/authPostman.go b/internal/authPostman.go
index 0c8b331..5d2aa60 100644
--- a/internal/authPostman.go
+++ b/internal/authPostman.go
@@ -21,6 +21,7 @@ type AuthPostmanServer struct {
 	kafkaReader *kafka.KafkaReader
 	logger      *logger.Logger
 	config      *config.Config
+	msgs        map[int64]bool
 }
 
 func NewServer(ctx context.Context, config *config.Config) *AuthPostmanServer {
@@ -32,6 +33,7 @@ func NewServer(ctx context.Context, config *config.Config) *AuthPostmanServer {
 		kafkaReader: kafka.NewReader(ctx, config, api.TopicRegistrations, address...),
 		logger:      logger,
 		config:      config,
+		msgs:        make(map[int64]bool),
 	}
 }
 
@@ -57,8 +59,17 @@ func (s *AuthPostmanServer) ReadMessage(offset int64) error {
 			return erk
 		}
 
+		// Проверим пришедшее сообщение, не является ли оно повтором
+		if _, ok := s.msgs[msg.ID]; ok {
+			s.logger.Printf("the message #%d is a duplicate", msg.ID)
+
+			continue
+		} else {
+			s.msgs[msg.ID] = true
+		}
+
 		//
-		s.logger.Printf("send code %s to %s ...", msg.Code, msg.Email)
+		s.logger.Printf("send code %s to %s (message #%d) ...", msg.Code, msg.Email, msg.ID)
 
 		//
 		text := fmt.Sprintf("Confirmation code %v", msg.Code)
@@ -73,7 +84,7 @@ func (s *AuthPostmanServer) ReadMessage(offset int64) error {
 		if ers != nil {
 			s.logger.Print(ers)
 		} else {
-			s.logger.Printf("send code %s to %s completed", msg.Code, msg.Email)
+			s.logger.Printf("send code %s to %s (message #%d) completed", msg.Code, msg.Email, msg.ID)
 		}
 	}
 }