v.0.0.3.5 Добавлен интеграционный тест, проблем нет. Исправлена проблема со статусами в БД.

go.mod

@@ -5,11 +5,13 @@ go 1.25rc2
 require (
 	github.com/jackc/pgx/v4 v4.18.3
 	github.com/rabbitmq/amqp091-go v1.10.0
+	github.com/stretchr/testify v1.8.1
 	google.golang.org/grpc v1.74.2
 	google.golang.org/protobuf v1.36.7
 )
 
 require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/jackc/chunkreader/v2 v2.0.1 // indirect
 	github.com/jackc/pgconn v1.14.3 // indirect
 	github.com/jackc/pgio v1.0.0 // indirect
@@ -18,9 +20,11 @@ require (
 	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
 	github.com/jackc/pgtype v1.14.0 // indirect
 	github.com/jackc/puddle v1.3.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	golang.org/x/crypto v0.38.0 // indirect
 	golang.org/x/net v0.40.0 // indirect
 	golang.org/x/sys v0.33.0 // indirect
 	golang.org/x/text v0.25.0 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20250528174236-200df99c418a // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -76,9 +76,11 @@ github.com/jackc/puddle v1.3.0/go.mod h1:m4B5Dj62Y0fbyuIc15OsIqK0+JU8nkqQjsgx7dv
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/konsorten/go-windows-terminal-sequences v1.0.2/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/pty v1.1.8/go.mod h1:O1sed60cT9XZ5uDucP5qwvh+TE3NnUj51EiZO/lmSfw=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/lib/pq v1.0.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
 github.com/lib/pq v1.1.0/go.mod h1:5WUZQaWbwv1U+lTReE5YruASi9Al49XbQIvNi/34Woo=
@@ -109,11 +111,15 @@ github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6Mwd
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.2.0/go.mod h1:qt09Ya8vawLte6SNmTgCsAVtYtaKzEcn8ATUoHMkEqE=
+github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
 github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
+github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
 github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
 github.com/stretchr/testify v1.8.1/go.mod h1:w2LPCIKwWwSfY2zedu0+kehJoqGctiVI29o6fzry7u4=
 github.com/zenazn/goji v0.9.0/go.mod h1:7S9M489iMyHBNxwZnk9/EHS098H4/F6TATF2mIxtB1Q=
@@ -207,6 +213,7 @@ google.golang.org/grpc v1.74.2/go.mod h1:CtQ+BGjaAIXHs/5YS3i473GqwBBa1zGQNevxdeB
 google.golang.org/protobuf v1.36.7 h1:IgrO7UwFQGJdRNXH/sQux4R1Dj1WAKcLElzeeRaXV2A=
 google.golang.org/protobuf v1.36.7/go.mod h1:jduwjTPXsFjZGTmRluh+L6NjiWu7pchiJ2/5YcXBHnY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/inconshreveable/log15.v2 v2.0.0-20180818164646-67afb5ed74ec/go.mod h1:aPpfJ7XW+gOuirDoZ8gHhLh3kZ1B08FtV2bbmy7Jv3s=

migrations/0001_initial_schema.up.sql

@@ -14,7 +14,7 @@ CREATE TABLE messages (
                           sender_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
                           receiver_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
                           content TEXT NOT NULL,
-                          status VARCHAR(20) NOT NULL DEFAULT 'sent' CHECK (status IN ('sent', 'delivered', 'read')),
+                          status VARCHAR(20) NOT NULL DEFAULT 'SENT' CHECK (status IN ('SENT', 'DELIVERED', 'READ')),
                           created_at TIMESTAMP WITH TIME ZONE NOT NULL DEFAULT NOW()
 );
 -- Индексы для производительности

qodana.yaml

@@ -0,0 +1,29 @@
+#-------------------------------------------------------------------------------#
+#               Qodana analysis is configured by qodana.yaml file               #
+#             https://www.jetbrains.com/help/qodana/qodana-yaml.html            #
+#-------------------------------------------------------------------------------#
+version: "1.0"
+
+#Specify inspection profile for code analysis
+profile:
+  name: qodana.starter
+
+#Enable inspections
+#include:
+#  - name: <SomeEnabledInspectionId>
+
+#Disable inspections
+#exclude:
+#  - name: <SomeDisabledInspectionId>
+#    paths:
+#      - <path/where/not/run/inspection>
+
+#Execute shell command before Qodana execution (Applied in CI/CD pipeline)
+#bootstrap: sh ./prepare-qodana.sh
+
+#Install IDE plugins before Qodana execution (Applied in CI/CD pipeline)
+#plugins:
+#  - id: <plugin.id> #(plugin id can be found at https://plugins.jetbrains.com)
+
+#Specify Qodana linter for analysis (Applied in CI/CD pipeline)
+linter: jetbrains/qodana-go:2025.1

server.go

@@ -4,16 +4,17 @@ import (
 	"context"
 	"database/sql"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"github.com/jackc/pgx/v4/pgxpool"
 	amqp "github.com/rabbitmq/amqp091-go"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
-	protobuf "google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/types/known/timestamppb"
 	"log"
 	"net"
+	"os"
 	"sync"
 	"tailly_messages/proto"
 	"time"
@@ -24,61 +25,81 @@ type server struct {
 	db         *pgxpool.Pool
 	rabbitConn *amqp.Connection
 	mu         sync.Mutex
+	logger     *log.Logger
 }
 
 func NewServer(db *pgxpool.Pool, rabbitConn *amqp.Connection) *server {
-	return &server{db: db, rabbitConn: rabbitConn}
+	return &server{
+		db:         db,
+		rabbitConn: rabbitConn,
+		logger:     log.New(os.Stdout, "MESSAGE_SERVICE: ", log.LstdFlags|log.Lmicroseconds|log.Lshortfile),
+	}
+}
+
+func (s *server) logRequest(method string, req interface{}) {
+	s.logger.Printf("REQUEST: %s - %+v", method, req)
+}
+
+func (s *server) logResponse(method string, resp interface{}, err error) {
+	if err != nil {
+		s.logger.Printf("RESPONSE ERROR: %s - %v", method, err)
+	} else {
+		s.logger.Printf("RESPONSE: %s - %+v", method, resp)
+	}
 }
 
 func (s *server) CreateChat(ctx context.Context, req *proto.CreateChatRequest) (*proto.ChatResponse, error) {
-	log.Printf("CreateChat request received: user1_id=%d, user2_id=%d", req.GetUser1Id(), req.GetUser2Id())
+	s.logRequest("CreateChat", req)
+	defer func(start time.Time) {
+		s.logger.Printf("CreateChat execution time: %v", time.Since(start))
+	}(time.Now())
 
 	user1, user2 := req.GetUser1Id(), req.GetUser2Id()
 	if user1 > user2 {
 		user1, user2 = user2, user1
 	}
 
-	// Проверка существования пользователей
+	s.logger.Printf("Checking user existence: user1=%d, user2=%d", user1, user2)
 	var user1Exists, user2Exists bool
 	err := s.db.QueryRow(ctx, "SELECT EXISTS(SELECT 1 FROM users WHERE id = $1)", user1).Scan(&user1Exists)
 	if err != nil {
-		log.Printf("Error checking user1 existence: %v", err)
+		s.logger.Printf("Error checking user1 existence: %v", err)
 		return nil, fmt.Errorf("failed to check user existence")
 	}
 	err = s.db.QueryRow(ctx, "SELECT EXISTS(SELECT 1 FROM users WHERE id = $1)", user2).Scan(&user2Exists)
 	if err != nil {
-		log.Printf("Error checking user2 existence: %v", err)
+		s.logger.Printf("Error checking user2 existence: %v", err)
 		return nil, fmt.Errorf("failed to check user existence")
 	}
 
 	if !user1Exists || !user2Exists {
 		errMsg := fmt.Sprintf("One or both users don't exist: user1=%d (%t), user2=%d (%t)",
 			user1, user1Exists, user2, user2Exists)
-		log.Println(errMsg)
+		s.logger.Println(errMsg)
-		return nil, fmt.Errorf(errMsg)
+		return nil, fmt.Errorf("%w", errors.New(errMsg)) // Оборачиваем ошибку
 	}
 
 	var chat proto.Chat
 	var createdAt, updatedAt time.Time
 
-	// Проверяем, не существует ли уже чат
+	s.logger.Printf("Checking chat existence between users %d and %d", user1, user2)
 	var chatExists bool
 	err = s.db.QueryRow(ctx, "SELECT EXISTS(SELECT 1 FROM chats WHERE user1_id = $1 AND user2_id = $2)",
 		user1, user2).Scan(&chatExists)
 	if err != nil {
-		log.Printf("Error checking chat existence: %v", err)
+		s.logger.Printf("Error checking chat existence: %v", err)
 		return nil, fmt.Errorf("failed to check chat existence")
 	}
 
 	if chatExists {
-		log.Printf("Chat already exists between users %d and %d", user1, user2)
+		s.logger.Printf("Chat already exists between users %d and %d, returning existing chat", user1, user2)
 		return s.GetChat(ctx, &proto.GetChatRequest{
 			User1Id: user1,
 			User2Id: user2,
 		})
 	}
 
-	// Создаем новый чат
+	s.logger.Printf("Creating new chat between users %d and %d", user1, user2)
 	err = s.db.QueryRow(ctx, `
         INSERT INTO chats (user1_id, user2_id)
         VALUES ($1, $2)
@@ -87,38 +108,48 @@ func (s *server) CreateChat(ctx context.Context, req *proto.CreateChatRequest) (
 		&chat.Id, &chat.User1Id, &chat.User2Id, &createdAt, &updatedAt,
 	)
 	if err != nil {
-		log.Printf("Failed to create chat: %v", err)
+		s.logger.Printf("Failed to create chat: %v", err)
 		return nil, fmt.Errorf("failed to create chat: %v", err)
 	}
 
-	log.Printf("Successfully created new chat: id=%d, user1_id=%d, user2_id=%d",
+	s.logger.Printf("Successfully created new chat: id=%d, user1_id=%d, user2_id=%d",
 		chat.Id, chat.User1Id, chat.User2Id)
 
 	chat.CreatedAt = timestamppb.New(createdAt)
 	chat.UpdatedAt = timestamppb.New(updatedAt)
 
-	return &proto.ChatResponse{Chat: &chat}, nil
+	resp := &proto.ChatResponse{Chat: &chat}
+	s.logResponse("CreateChat", resp, nil)
+	return resp, nil
 }
 
 func (s *server) SendMessage(ctx context.Context, req *proto.SendMessageRequest) (*proto.MessageResponse, error) {
-	// Получаем информацию о чате (как в оригинале)
+	s.logRequest("SendMessage", req)
+	defer func(start time.Time) {
+		s.logger.Printf("SendMessage execution time: %v", time.Since(start))
+	}(time.Now())
+
+	s.logger.Printf("Getting chat info for chat_id=%d", req.ChatId)
 	var user1Id, user2Id int32
 	err := s.db.QueryRow(ctx, "SELECT user1_id, user2_id FROM chats WHERE id = $1", req.ChatId).Scan(&user1Id, &user2Id)
 	if err != nil {
+		s.logger.Printf("Failed to get chat info: %v", err)
 		return nil, fmt.Errorf("failed to get chat info: %v", err)
 	}
 
-	// Определяем получателя
 	var receiverId int32
 	if req.SenderId == user1Id {
 		receiverId = user2Id
 	} else if req.SenderId == user2Id {
 		receiverId = user1Id
 	} else {
-		return nil, fmt.Errorf("sender %d is not a participant of chat %d", req.SenderId, req.ChatId)
+		errMsg := fmt.Sprintf("sender %d is not a participant of chat %d", req.SenderId, req.ChatId)
+		s.logger.Println(errMsg)
+		return nil, errors.New(errMsg) // Используем errors.New
 	}
 
-	// Создаем сообщение в БД
+	s.logger.Printf("Inserting message into database: chat_id=%d, sender_id=%d, receiver_id=%d",
+		req.ChatId, req.SenderId, receiverId)
 	var message proto.Message
 	var createdAt time.Time
 
@@ -130,22 +161,26 @@ func (s *server) SendMessage(ctx context.Context, req *proto.SendMessageRequest)
 		&message.Id, &message.ChatId, &message.SenderId, &message.ReceiverId, &message.Content, &message.Status, &createdAt,
 	)
 	if err != nil {
+		s.logger.Printf("Failed to insert message: %v", err)
 		return nil, err
 	}
 
 	message.CreatedAt = timestamppb.New(createdAt)
 
-	// Обновляем время чата
+	s.logger.Printf("Updating chat updated_at for chat_id=%d", req.ChatId)
 	_, err = s.db.Exec(ctx, `UPDATE chats SET updated_at = NOW() WHERE id = $1`, req.ChatId)
 	if err != nil {
+		s.logger.Printf("Failed to update chat timestamp: %v", err)
 		return nil, err
 	}
 
+	s.logger.Printf("Publishing message to RabbitMQ for user_id=%d", receiverId)
 	var lastErr error
 	for i := 0; i < 3; i++ {
 		ch, err := s.rabbitConn.Channel()
 		if err != nil {
 			lastErr = fmt.Errorf("failed to open channel (attempt %d): %v", i+1, err)
+			s.logger.Printf("RabbitMQ channel error: %v", lastErr)
 			time.Sleep(time.Second * time.Duration(i+1))
 			continue
 		}
@@ -153,6 +188,7 @@ func (s *server) SendMessage(ctx context.Context, req *proto.SendMessageRequest)
 		queueName := fmt.Sprintf("user_%d_messages", receiverId)
 		msgBytes, _ := json.Marshal(message)
 
+		s.logger.Printf("Publishing to queue %s: %s", queueName, string(msgBytes))
 		err = ch.PublishWithContext(ctx,
 			"",        // exchange
 			queueName, // routing key
@@ -161,37 +197,31 @@ func (s *server) SendMessage(ctx context.Context, req *proto.SendMessageRequest)
 			amqp.Publishing{
 				ContentType:  "application/json",
 				Body:         msgBytes,
-				DeliveryMode: amqp.Persistent, // Сохраняем сообщения на диск
+				DeliveryMode: amqp.Persistent,
 			})
 
 		ch.Close()
 		if err == nil {
-			return &proto.MessageResponse{Message: &message}, nil
+			s.logger.Printf("Successfully published message to queue %s", queueName)
+			resp := &proto.MessageResponse{Message: &message}
+			s.logResponse("SendMessage", resp, nil)
+			return resp, nil
 		}
 		lastErr = err
+		s.logger.Printf("Failed to publish message (attempt %d): %v", i+1, err)
 	}
-	return nil, fmt.Errorf("failed to publish message after 3 attempts: %v", lastErr)
+
+	errMsg := fmt.Errorf("failed to publish message after 3 attempts: %v", lastErr)
+	s.logResponse("SendMessage", nil, errMsg)
+	return nil, errMsg
 }
 
-func mustMarshal(msg protobuf.Message) []byte {
-	data, err := protobuf.Marshal(msg)
-	if err != nil {
-		log.Fatalf("failed to marshal message: %v", err)
-	}
-	return data
-}
-func protoMessageToMap(msg *proto.Message) map[string]interface{} {
-	return map[string]interface{}{
-		"id":         msg.Id,
-		"chatId":     msg.ChatId,
-		"senderId":   msg.SenderId,
-		"receiverId": msg.ReceiverId,
-		"content":    msg.Content,
-		"status":     msg.Status,
-		"createdAt":  msg.CreatedAt.AsTime().Format(time.RFC3339Nano),
-	}
-}
 func (s *server) GetChat(ctx context.Context, req *proto.GetChatRequest) (*proto.ChatResponse, error) {
+	s.logRequest("GetChat", req)
+	defer func(start time.Time) {
+		s.logger.Printf("GetChat execution time: %v", time.Since(start))
+	}(time.Now())
+
 	var chat proto.Chat
 	var createdAt, updatedAt time.Time
 	var lastMessageID sql.NullInt32
@@ -204,6 +234,7 @@ func (s *server) GetChat(ctx context.Context, req *proto.GetChatRequest) (*proto
 		user1, user2 = user2, user1
 	}
 
+	s.logger.Printf("Querying chat between users %d and %d", user1, user2)
 	err := s.db.QueryRow(ctx, `
 		SELECT c.id, c.user1_id, c.user2_id, c.created_at, c.updated_at,
 		       m.id, m.content, m.status, m.created_at
@@ -218,6 +249,7 @@ func (s *server) GetChat(ctx context.Context, req *proto.GetChatRequest) (*proto
 		&lastMessageID, &lastMessageContent, &lastMessageStatus, &lastMessageCreatedAt,
 	)
 	if err != nil {
+		s.logger.Printf("Failed to get chat: %v", err)
 		return nil, err
 	}
 
@@ -232,20 +264,30 @@ func (s *server) GetChat(ctx context.Context, req *proto.GetChatRequest) (*proto
 			Status:    lastMessageStatus.String,
 			CreatedAt: timestamppb.New(lastMessageCreatedAt.Time),
 		}
+		s.logger.Printf("Found last message for chat %d: message_id=%d", chat.Id, lastMessageID.Int32)
 	}
 
-	return &proto.ChatResponse{Chat: &chat}, nil
+	resp := &proto.ChatResponse{Chat: &chat}
+	s.logResponse("GetChat", resp, nil)
+	return resp, nil
 }
 
 func (s *server) GetChatMessages(ctx context.Context, req *proto.GetChatMessagesRequest) (*proto.MessagesResponse, error) {
+	s.logRequest("GetChatMessages", req)
+	defer func(start time.Time) {
+		s.logger.Printf("GetChatMessages execution time: %v", time.Since(start))
+	}(time.Now())
+
+	s.logger.Printf("Querying messages for chat_id=%d, limit=%d, offset=%d", req.ChatId, req.Limit, req.Offset)
 	rows, err := s.db.Query(ctx, `
-		SELECT id, chat_id, sender_id, content, status, created_at
+		SELECT id, chat_id, sender_id, receiver_id, content, status, created_at
 		FROM messages
 		WHERE chat_id = $1
 		ORDER BY created_at DESC
 		LIMIT $2 OFFSET $3
 	`, req.ChatId, req.Limit, req.Offset)
 	if err != nil {
+		s.logger.Printf("Failed to query messages: %v", err)
 		return nil, err
 	}
 	defer rows.Close()
@@ -255,19 +297,34 @@ func (s *server) GetChatMessages(ctx context.Context, req *proto.GetChatMessages
 		var msg proto.Message
 		var createdAt time.Time
 		err := rows.Scan(
-			&msg.Id, &msg.ChatId, &msg.SenderId, &msg.Content, &msg.Status, &createdAt,
+			&msg.Id, &msg.ChatId, &msg.SenderId, &msg.ReceiverId, &msg.Content, &msg.Status, &createdAt,
 		)
 		if err != nil {
+			s.logger.Printf("Failed to scan message row: %v", err)
 			return nil, err
 		}
 		msg.CreatedAt = timestamppb.New(createdAt)
 		messages = append(messages, &msg)
 	}
 
-	return &proto.MessagesResponse{Messages: messages}, nil
+	if err := rows.Err(); err != nil {
+		s.logger.Printf("Rows error: %v", err)
+		return nil, err
+	}
+
+	s.logger.Printf("Retrieved %d messages for chat_id=%d", len(messages), req.ChatId)
+	resp := &proto.MessagesResponse{Messages: messages}
+	s.logResponse("GetChatMessages", resp, nil)
+	return resp, nil
 }
 
 func (s *server) GetUserChats(ctx context.Context, req *proto.GetUserChatsRequest) (*proto.UserChatsResponse, error) {
+	s.logRequest("GetUserChats", req)
+	defer func(start time.Time) {
+		s.logger.Printf("GetUserChats execution time: %v", time.Since(start))
+	}(time.Now())
+
+	s.logger.Printf("Querying chats for user_id=%d", req.UserId)
 	rows, err := s.db.Query(ctx, `
 		SELECT c.id, c.user1_id, c.user2_id, c.created_at, c.updated_at,
 		       m.id, m.content, m.status, m.created_at
@@ -280,6 +337,7 @@ func (s *server) GetUserChats(ctx context.Context, req *proto.GetUserChatsReques
 		ORDER BY c.updated_at DESC
 	`, req.UserId)
 	if err != nil {
+		s.logger.Printf("Failed to query user chats: %v", err)
 		return nil, err
 	}
 	defer rows.Close()
@@ -298,6 +356,7 @@ func (s *server) GetUserChats(ctx context.Context, req *proto.GetUserChatsReques
 			&lastMessageID, &lastMessageContent, &lastMessageStatus, &lastMessageCreatedAt,
 		)
 		if err != nil {
+			s.logger.Printf("Failed to scan chat row: %v", err)
 			return nil, err
 		}
 
@@ -312,15 +371,30 @@ func (s *server) GetUserChats(ctx context.Context, req *proto.GetUserChatsReques
 				Status:    lastMessageStatus.String,
 				CreatedAt: timestamppb.New(lastMessageCreatedAt.Time),
 			}
+			s.logger.Printf("Found last message for chat %d: message_id=%d", chat.Id, lastMessageID.Int32)
 		}
 
 		chats = append(chats, &chat)
 	}
 
-	return &proto.UserChatsResponse{Chats: chats}, nil
+	if err := rows.Err(); err != nil {
+		s.logger.Printf("Rows error: %v", err)
+		return nil, err
+	}
+
+	s.logger.Printf("Retrieved %d chats for user_id=%d", len(chats), req.UserId)
+	resp := &proto.UserChatsResponse{Chats: chats}
+	s.logResponse("GetUserChats", resp, nil)
+	return resp, nil
 }
 
 func (s *server) UpdateMessageStatus(ctx context.Context, req *proto.UpdateMessageStatusRequest) (*proto.MessageResponse, error) {
+	s.logRequest("UpdateMessageStatus", req)
+	defer func(start time.Time) {
+		s.logger.Printf("UpdateMessageStatus execution time: %v", time.Since(start))
+	}(time.Now())
+
+	s.logger.Printf("Updating message status: message_id=%d, status=%s", req.MessageId, req.Status)
 	var message proto.Message
 	var createdAt time.Time
 
@@ -328,53 +402,71 @@ func (s *server) UpdateMessageStatus(ctx context.Context, req *proto.UpdateMessa
 		UPDATE messages
 		SET status = $1
 		WHERE id = $2
-		RETURNING id, chat_id, sender_id, content, status, created_at
+		RETURNING id, chat_id, sender_id, receiver_id, content, status, created_at
 	`, req.Status, req.MessageId).Scan(
-		&message.Id, &message.ChatId, &message.SenderId, &message.Content, &message.Status, &createdAt,
+		&message.Id, &message.ChatId, &message.SenderId, &message.ReceiverId, &message.Content, &message.Status, &createdAt,
 	)
 	if err != nil {
+		s.logger.Printf("Failed to update message status: %v", err)
 		return nil, err
 	}
 
 	message.CreatedAt = timestamppb.New(createdAt)
 
-	return &proto.MessageResponse{Message: &message}, nil
+	s.logger.Printf("Successfully updated message status: message_id=%d, new_status=%s",
+		message.Id, message.Status)
+	resp := &proto.MessageResponse{Message: &message}
+	s.logResponse("UpdateMessageStatus", resp, nil)
+	return resp, nil
 }
 
 func (s *server) StreamMessages(req *proto.StreamMessagesRequest, stream proto.MessageService_StreamMessagesServer) error {
+	s.logRequest("StreamMessages", req)
+	defer func(start time.Time) {
+		s.logger.Printf("StreamMessages execution time: %v", time.Since(start))
+	}(time.Now())
 
 	if req.UserId == 0 {
-		return status.Error(codes.InvalidArgument, "userID cannot be 0")
+		err := status.Error(codes.InvalidArgument, "userID cannot be 0")
+		s.logResponse("StreamMessages", nil, err)
+		return err
 	}
 
 	const maxRetries = 5
 	retryDelay := time.Second
 
 	for i := 0; i < maxRetries; i++ {
+		s.logger.Printf("Starting stream attempt %d/%d for user %d", i+1, maxRetries, req.UserId)
 		err := s.runStream(req, stream)
 		if err == nil {
 			return nil
 		}
 
-		log.Printf("Stream error (attempt %d/%d): %v", i+1, maxRetries, err)
+		s.logger.Printf("Stream error (attempt %d/%d): %v", i+1, maxRetries, err)
 		time.Sleep(retryDelay)
 		retryDelay *= 2
 	}
 
-	return fmt.Errorf("max retries (%d) exceeded", maxRetries)
+	err := fmt.Errorf("max retries (%d) exceeded", maxRetries)
+	s.logResponse("StreamMessages", nil, err)
+	return err
 }
 
 func (s *server) runStream(req *proto.StreamMessagesRequest, stream proto.MessageService_StreamMessagesServer) error {
 	ctx := stream.Context()
 	queueName := fmt.Sprintf("user_%d_messages", req.UserId)
 
+	s.logger.Printf("Opening RabbitMQ channel for queue %s", queueName)
 	ch, err := s.rabbitConn.Channel()
 	if err != nil {
 		return fmt.Errorf("failed to open channel: %v", err)
 	}
-	defer ch.Close()
+	defer func() {
+		s.logger.Printf("Closing RabbitMQ channel for queue %s", queueName)
+		ch.Close()
+	}()
 
-	// Объявляем очередь с persistence
+	s.logger.Printf("Declaring queue %s with persistence", queueName)
 	_, err = ch.QueueDeclare(
 		queueName,
 		true,  // durable
@@ -382,7 +474,8 @@ func (s *server) runStream(req *proto.StreamMessagesRequest, stream proto.Messag
 		false, // exclusive
 		false, // noWait
 		amqp.Table{
-			"x-message-ttl":            int32(86400000),
+			"x-message-ttl":            int32(86400000), // 24 hours
+			"x-expires":                int32(86400000), // 24 hours
 			"x-single-active-consumer": false,
 		},
 	)
@@ -390,7 +483,7 @@ func (s *server) runStream(req *proto.StreamMessagesRequest, stream proto.Messag
 		return fmt.Errorf("failed to declare queue: %v", err)
 	}
 
-	// QoS для контроля скорости обработки
+	s.logger.Printf("Setting QoS for queue %s", queueName)
 	err = ch.Qos(
 		1,     // prefetch count
 		0,     // prefetch size
@@ -400,6 +493,7 @@ func (s *server) runStream(req *proto.StreamMessagesRequest, stream proto.Messag
 		return fmt.Errorf("failed to set QoS: %v", err)
 	}
 
+	s.logger.Printf("Starting consumer for queue %s", queueName)
 	msgs, err := ch.Consume(
 		queueName,
 		"",    // consumer
@@ -413,100 +507,154 @@ func (s *server) runStream(req *proto.StreamMessagesRequest, stream proto.Messag
 		return fmt.Errorf("failed to consume: %v", err)
 	}
 
-	log.Printf("Starting message stream for user %d", req.UserId)
+	s.logger.Printf("Starting message stream for user %d", req.UserId)
-	defer log.Printf("Stopping message stream for user %d", req.UserId)
+	defer s.logger.Printf("Stopping message stream for user %d", req.UserId)
+
+	heartbeat := time.NewTicker(30 * time.Second)
+	defer heartbeat.Stop()
 
 	for {
 		select {
 		case <-ctx.Done():
+			s.logger.Printf("Context canceled for user %d: %v", req.UserId, ctx.Err())
 			return nil
+		case <-heartbeat.C:
+			s.logger.Printf("Sending heartbeat for user %d", req.UserId)
+			// Send empty message as heartbeat
+			if err := stream.Send(&proto.MessageResponse{}); err != nil {
+				s.logger.Printf("Failed to send heartbeat: %v", err)
+				return err
+			}
 		case d, ok := <-msgs:
 			if !ok {
+				s.logger.Printf("Message channel closed for user %d", req.UserId)
 				return fmt.Errorf("message channel closed")
 			}
 
+			s.logger.Printf("Received message from RabbitMQ for user %d: %s", req.UserId, string(d.Body))
 			var msg proto.Message
 			if err := json.Unmarshal(d.Body, &msg); err != nil {
-				log.Printf("Failed to unmarshal message: %v", err)
+				s.logger.Printf("Failed to unmarshal message: %v", err)
 				d.Nack(false, false) // Отбрасываем некорректное сообщение
 				continue
 			}
 
-			log.Printf("Sending message to user %d: %+v", req.UserId, msg)
+			s.logger.Printf("Sending message to stream for user %d: %+v", req.UserId, msg)
 			if err := stream.Send(&proto.MessageResponse{Message: &msg}); err != nil {
+				s.logger.Printf("Failed to send message to stream: %v", err)
 				d.Nack(false, true) // Возвращаем в очередь при ошибке отправки
 				return err
 			}
 
+			s.logger.Printf("Acknowledging message for user %d", req.UserId)
 			d.Ack(false) // Подтверждаем обработку
 		}
 	}
 }
 
 func main() {
+	logger := log.New(os.Stdout, "MAIN: ", log.LstdFlags|log.Lmicroseconds|log.Lshortfile)
+	logger.Println("Starting message service")
+
 	// Инициализация подключения к БД
-	pool, err := pgxpool.Connect(context.Background(), "postgres://tailly_v2:i0Oq%2675LA%26M612ceuy@79.174.89.104:15452/tailly_v2")
+	dbURL := "postgres://tailly_v2:i0Oq%2675LA%26M612ceuy@79.174.89.104:15452/tailly_v2"
+	logger.Printf("Connecting to database at %s", dbURL)
+	pool, err := pgxpool.Connect(context.Background(), dbURL)
 	if err != nil {
-		log.Fatalf("Unable to connect to database: %v", err)
+		logger.Fatalf("Unable to connect to database: %v", err)
 	}
-	defer pool.Close()
+	defer func() {
+		logger.Println("Closing database connection")
+		pool.Close()
+	}()
 
 	// Инициализация подключения к RabbitMQ
+	rabbitURL := "amqp://tailly_rabbitmq:o2p2S80MPbl27LUU@89.104.69.222:5673/"
+	logger.Printf("Connecting to RabbitMQ at %s", rabbitURL)
 	var rabbitConn *amqp.Connection
 
 	for i := 0; i < 5; i++ {
-		rabbitConn, err = amqp.DialConfig("amqp://tailly_rabbitmq:o2p2S80MPbl27LUU@89.104.69.222:5673/", amqp.Config{
+		rabbitConn, err = amqp.DialConfig(rabbitURL, amqp.Config{
 			Heartbeat: 10 * time.Second,
 			Locale:    "en_US",
 		})
 		if err == nil {
 			break
 		}
-		log.Printf("Failed to connect to RabbitMQ (attempt %d): %v", i+1, err)
+		logger.Printf("Failed to connect to RabbitMQ (attempt %d): %v", i+1, err)
 		time.Sleep(time.Second * time.Duration(i+1))
 	}
 	if err != nil {
-		log.Fatalf("Failed to connect to RabbitMQ after 5 attempts: %v", err)
+		logger.Fatalf("Failed to connect to RabbitMQ after 5 attempts: %v", err)
 	}
-	defer rabbitConn.Close()
+	defer func() {
+		logger.Println("Closing RabbitMQ connection")
+		rabbitConn.Close()
+	}()
 
 	// Обработка событий соединения
-	go func(conn **amqp.Connection, mu *sync.Mutex) {
+	connMutex := &sync.Mutex{}
+	go func() {
 		for {
-			reason, ok := <-(*conn).NotifyClose(make(chan *amqp.Error))
+			reason, ok := <-rabbitConn.NotifyClose(make(chan *amqp.Error))
 			if !ok {
-				log.Println("RabbitMQ connection closed")
+				logger.Println("RabbitMQ connection closed normally")
 				break
 			}
-			log.Printf("RabbitMQ connection closed: %v", reason)
+			logger.Printf("RabbitMQ connection closed: %v", reason)
 
 			// Попытка переподключения
 			for i := 0; i < 5; i++ {
 				time.Sleep(time.Second * time.Duration(i+1))
-				newConn, err := amqp.Dial("amqp://tailly_rabbitmq:o2p2S80MPbl27LUU@89.104.69.222:5673/")
+				logger.Printf("Attempting to reconnect to RabbitMQ (attempt %d)", i+1)
+				newConn, err := amqp.DialConfig(rabbitURL, amqp.Config{
+					Heartbeat: 10 * time.Second,
+					Locale:    "en_US",
+				})
 				if err == nil {
-					mu.Lock()
+					connMutex.Lock()
-					*conn = newConn
+					rabbitConn = newConn
-					mu.Unlock()
+					connMutex.Unlock()
-					log.Println("Successfully reconnected to RabbitMQ")
+					logger.Println("Successfully reconnected to RabbitMQ")
 					break
 				}
-				log.Printf("Failed to reconnect to RabbitMQ (attempt %d): %v", i+1, err)
+				logger.Printf("Failed to reconnect to RabbitMQ (attempt %d): %v", i+1, err)
 			}
 		}
-	}(&rabbitConn, &sync.Mutex{})
+	}()
 
 	// Создаем gRPC сервер
-	grpcServer := grpc.NewServer()
+	grpcServer := grpc.NewServer(
+		grpc.UnaryInterceptor(func(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (resp interface{}, err error) {
+			logger.Printf("Unary call: %s, request: %+v", info.FullMethod, req)
+			start := time.Now()
+			defer func() {
+				logger.Printf("Unary call %s completed in %v, response: %+v, error: %v",
+					info.FullMethod, time.Since(start), resp, err)
+			}()
+			return handler(ctx, req)
+		}),
+		grpc.StreamInterceptor(func(srv interface{}, ss grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error {
+			logger.Printf("Stream call: %s", info.FullMethod)
+			start := time.Now()
+			defer func() {
+				logger.Printf("Stream call %s completed in %v", info.FullMethod, time.Since(start))
+			}()
+			return handler(srv, ss)
+		}),
+	)
 	proto.RegisterMessageServiceServer(grpcServer, NewServer(pool, rabbitConn))
 
 	// Запускаем сервер
-	lis, err := net.Listen("tcp", ":50052")
+	port := ":50052"
+	logger.Printf("Starting gRPC server on port %s", port)
+	lis, err := net.Listen("tcp", port)
 	if err != nil {
-		log.Fatalf("failed to listen: %v", err)
+		logger.Fatalf("failed to listen: %v", err)
 	}
-	log.Println("Server started on port 50052")
+
+	logger.Println("Server is ready to accept connections")
 	if err := grpcServer.Serve(lis); err != nil {
-		log.Fatalf("failed to serve: %v", err)
+		logger.Fatalf("failed to serve: %v", err)
 	}
 }

server_test.go

@@ -0,0 +1,201 @@
+package main
+
+import (
+	"context"
+	"fmt"
+	"net"
+	"tailly_messages/proto"
+	"testing"
+	"time"
+
+	"github.com/jackc/pgx/v4/pgxpool"
+	amqp "github.com/rabbitmq/amqp091-go"
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/test/bufconn"
+)
+
+const bufSize = 1024 * 1024
+
+func setupTestServer(t *testing.T) (*grpc.Server, *bufconn.Listener, *server) {
+	// Setup in-memory connection
+	lis := bufconn.Listen(bufSize)
+	s := grpc.NewServer()
+
+	// Используем реальные подключения из server.go
+	dbURL := "postgres://tailly_v2:i0Oq%2675LA%26M612ceuy@79.174.89.104:15452/tailly_v2"
+	pool, err := pgxpool.Connect(context.Background(), dbURL)
+	require.NoError(t, err, "Failed to connect to test database")
+
+	rabbitURL := "amqp://tailly_rabbitmq:o2p2S80MPbl27LUU@89.104.69.222:5673/"
+	rabbitConn, err := amqp.DialConfig(rabbitURL, amqp.Config{
+		Heartbeat: 10 * time.Second,
+		Locale:    "en_US",
+	})
+	require.NoError(t, err, "Failed to connect to RabbitMQ")
+
+	testServer := NewServer(pool, rabbitConn)
+	proto.RegisterMessageServiceServer(s, testServer)
+
+	go func() {
+		if err := s.Serve(lis); err != nil {
+			t.Logf("Server exited with error: %v", err)
+		}
+	}()
+
+	// Очищаем только тестовые данные после завершения тестов
+	t.Cleanup(func() {
+		// Удаляем только те данные, которые создали в тестах
+		_, _ = pool.Exec(context.Background(), "DELETE FROM messages WHERE content = 'test message'")
+		_, _ = pool.Exec(context.Background(), "DELETE FROM chats WHERE user1_id = 1 AND user2_id = 2")
+	})
+
+	return s, lis, testServer
+}
+
+func TestCreateChat(t *testing.T) {
+	s, lis, _ := setupTestServer(t)
+	defer s.Stop()
+
+	ctx := context.Background()
+	conn, err := grpc.DialContext(ctx, "bufnet", grpc.WithContextDialer(func(context.Context, string) (net.Conn, error) {
+		return lis.Dial()
+	}), grpc.WithInsecure())
+	require.NoError(t, err)
+	defer conn.Close()
+
+	client := proto.NewMessageServiceClient(conn)
+
+	req := &proto.CreateChatRequest{
+		User1Id: 1,
+		User2Id: 2,
+	}
+
+	resp, err := client.CreateChat(ctx, req)
+	require.NoError(t, err)
+	require.NotNil(t, resp)
+	require.NotNil(t, resp.GetChat())
+	assert.Equal(t, int32(1), resp.GetChat().GetUser1Id())
+	assert.Equal(t, int32(2), resp.GetChat().GetUser2Id())
+}
+
+func TestSendAndStreamMessages(t *testing.T) {
+	s, lis, _ := setupTestServer(t)
+	defer s.Stop()
+
+	ctx := context.Background()
+	conn, err := grpc.DialContext(ctx, "bufnet", grpc.WithContextDialer(func(context.Context, string) (net.Conn, error) {
+		return lis.Dial()
+	}), grpc.WithInsecure())
+	require.NoError(t, err)
+	defer conn.Close()
+
+	client := proto.NewMessageServiceClient(conn)
+
+	// Сначала создаем чат
+	chatResp, err := client.CreateChat(ctx, &proto.CreateChatRequest{
+		User1Id: 1,
+		User2Id: 2,
+	})
+	require.NoError(t, err)
+	chatId := chatResp.GetChat().GetId()
+
+	// Запускаем стрим
+	streamReq := &proto.StreamMessagesRequest{UserId: 2}
+	stream, err := client.StreamMessages(ctx, streamReq)
+	require.NoError(t, err)
+
+	// Отправляем сообщение
+	sendReq := &proto.SendMessageRequest{
+		ChatId:   chatId,
+		SenderId: 1,
+		Content:  "test message",
+	}
+	_, err = client.SendMessage(ctx, sendReq)
+	require.NoError(t, err)
+
+	// Пытаемся получить сообщение через стрим
+	done := make(chan bool)
+	go func() {
+		resp, err := stream.Recv()
+		assert.NoError(t, err)
+		if resp.GetMessage() != nil { // Игнорируем heartbeat сообщения
+			assert.Equal(t, "test message", resp.GetMessage().GetContent())
+			done <- true
+		}
+	}()
+
+	select {
+	case <-done:
+		// Успех
+	case <-time.After(5 * time.Second):
+		t.Fatal("Timeout waiting for message")
+	}
+}
+func TestMultipleMessages(t *testing.T) {
+	s, lis, _ := setupTestServer(t)
+	defer s.Stop()
+
+	ctx := context.Background()
+	conn, err := grpc.DialContext(ctx, "bufnet", grpc.WithContextDialer(func(context.Context, string) (net.Conn, error) {
+		return lis.Dial()
+	}), grpc.WithInsecure())
+	require.NoError(t, err)
+	defer conn.Close()
+
+	client := proto.NewMessageServiceClient(conn)
+
+	// Создаем чат
+	chatResp, err := client.CreateChat(ctx, &proto.CreateChatRequest{
+		User1Id: 1,
+		User2Id: 2,
+	})
+	require.NoError(t, err)
+	chatId := chatResp.GetChat().GetId()
+
+	// Запускаем стрим
+	streamReq := &proto.StreamMessagesRequest{UserId: 2}
+	stream, err := client.StreamMessages(ctx, streamReq)
+	require.NoError(t, err)
+
+	// Отправляем 5 сообщений
+	for i := 0; i < 5; i++ {
+		sendReq := &proto.SendMessageRequest{
+			ChatId:   chatId,
+			SenderId: 1,
+			Content:  fmt.Sprintf("test message %d", i+1),
+		}
+		_, err = client.SendMessage(ctx, sendReq)
+		require.NoError(t, err)
+	}
+
+	// Проверяем получение всех сообщений
+	received := 0
+	done := make(chan bool)
+	go func() {
+		for {
+			resp, err := stream.Recv()
+			if err != nil {
+				t.Logf("Stream error: %v", err)
+				break
+			}
+			if resp.GetMessage() != nil {
+				t.Logf("Received message: %s", resp.GetMessage().GetContent())
+				received++
+				if received >= 5 {
+					done <- true
+					break
+				}
+			}
+		}
+	}()
+
+	select {
+	case <-done:
+		// Успех
+		assert.Equal(t, 5, received)
+	case <-time.After(10 * time.Second):
+		t.Fatal("Timeout waiting for messages")
+	}
+}