Add initial project

backend/services/health_service.py

@@ -0,0 +1,26 @@
+"""Health service for business logic."""
+from sqlalchemy.orm import Session
+from sqlalchemy import text
+
+
+class HealthService:
+    """Service for health check operations."""
+
+    @staticmethod
+    def check_database(db: Session) -> bool:
+        """Check if database connection is healthy."""
+        try:
+            db.execute(text("SELECT 1"))
+            return True
+        except Exception:
+            return False
+
+    @staticmethod
+    def get_health_status(db: Session) -> dict:
+        """Get the health status of the application."""
+        db_healthy = HealthService.check_database(db)
+        
+        return {
+            "status": "healthy" if db_healthy else "unhealthy",
+            "database": "connected" if db_healthy else "disconnected"
+        }