Added structured logging across services and repositories. Updated SQL queries to use parameterized placeholders for better readability and security. Enhanced error handling for external service communication.

backend/src/integrations/familyHub/botClient.go

@@ -2,9 +2,14 @@ package familyHub
 
 import (
 	"FamilyHub/src/config"
+	"FamilyHub/src/utils"
 	"context"
+	"fmt"
+	"io"
+	"log"
 	"net/http"
 	"strconv"
+	"strings"
 	"time"
 )
 
@@ -18,19 +23,42 @@ func NewBotClient(config config.Config) (*HTTPClient, error) {
 }
 
 func (c *HTTPClient) SendMessage(ctx context.Context, chatId int64, message string) error {
+	url := c.config.TelegramApi + "/bot" + c.config.BotToken + "/sendMessage?chat_id=" + strconv.FormatInt(chatId, 10) + "&text=" + message
 	req, err := http.NewRequestWithContext(
 		ctx,
 		http.MethodGet,
-		c.config.TelegramApi+"/bot"+c.config.BotToken+"/sendMessage?chat_id="+strconv.FormatInt(chatId, 10)+"&text="+message,
+		url,
 		nil,
 	)
 	if err != nil {
 		return err
 	}
+	logURL := strings.ReplaceAll(req.URL.String(), c.config.BotToken, "***")
+	log.Printf(
+		"external request: service=telegram_bot.send_message method=%s url=%s body=%q",
+		http.MethodGet,
+		logURL,
+		utils.TruncateForLog(fmt.Sprintf("chat_id=%d&text=%s", chatId, message), utils.DefaultLogValueLimit),
+	)
 	resp, err := c.client.Do(req)
 	if err != nil {
+		log.Printf("external response: service=telegram_bot.send_message method=%s url=%s err=%v", http.MethodGet, logURL, err)
 		return err
 	}
 	defer resp.Body.Close()
+
+	responseBody, readErr := io.ReadAll(resp.Body)
+	if readErr != nil {
+		log.Printf("external response: service=telegram_bot.send_message method=%s url=%s status=%d read_err=%v", http.MethodGet, logURL, resp.StatusCode, readErr)
+		return readErr
+	}
+
+	log.Printf(
+		"external response: service=telegram_bot.send_message method=%s url=%s status=%d body=%q",
+		http.MethodGet,
+		logURL,
+		resp.StatusCode,
+		utils.TruncateForLog(string(responseBody), utils.DefaultLogValueLimit),
+	)
 	return nil
 }