FIX (healthckeck): Add graceful shutdown for healthcheck

Author: RostislavDugin

backend/internal/features/healthcheck/attempt/background_service.go

@@ -2,6 +2,7 @@ package healthcheck_attempt
 
 import (
 	"log/slog"
+	"postgresus-backend/internal/config"
 	healthcheck_config "postgresus-backend/internal/features/healthcheck/config"
 	"time"
 )
@@ -19,6 +20,10 @@ func (s *HealthcheckAttemptBackgroundService) RunBackgroundTasks() {
 	ticker := time.NewTicker(time.Minute)
 	defer ticker.Stop()
 	for range ticker.C {
+		if config.IsShouldShutdown() {
+			break
+		}
+
 		s.checkDatabases()
 	}
 }

backend/internal/features/healthcheck/attempt/check_pg_health_uc.go

@@ -225,11 +225,11 @@ func (uc *CheckPgHealthUseCase) sendDbStatusNotification(
 	messageBody := ""
 
 	if newHealthStatus == databases.HealthStatusAvailable {
-		messageTitle = fmt.Sprintf("✅ DB [%s] is back online", database.Name)
-		messageBody = fmt.Sprintf("✅ The [%s] database is back online after being unavailable", database.Name)
+		messageTitle = fmt.Sprintf("✅ [%s] DB is back online", database.Name)
+		messageBody = fmt.Sprintf("✅ [%s] DB is back online after being unavailable", database.Name)
 	} else {
-		messageTitle = fmt.Sprintf("❌ DB [%s] is unavailable", database.Name)
-		messageBody = fmt.Sprintf("❌ The [%s] database is currently unavailable", database.Name)
+		messageTitle = fmt.Sprintf("❌ [%s] DB is unavailable", database.Name)
+		messageBody = fmt.Sprintf("❌ [%s] DB is currently unavailable", database.Name)
 	}
 
 	for _, notifier := range database.Notifiers {

backend/internal/features/healthcheck/attempt/check_pg_health_uc_test.go

@@ -229,8 +229,8 @@ func Test_CheckPgHealthUseCase(t *testing.T) {
 				t,
 				"SendNotification",
 				mock.Anything,
-				fmt.Sprintf("❌ DB [%s] is unavailable", database.Name),
-				fmt.Sprintf("❌ The [%s] database is currently unavailable", database.Name),
+				fmt.Sprintf("❌ [%s] DB is unavailable", database.Name),
+				fmt.Sprintf("❌ [%s] Database is currently unavailable", database.Name),
 			)
 		},
 	)