refactor: remove all postgresql related

core/detection/pipeline.py

@@ -15,7 +15,7 @@ from ..models.inference import YOLOWrapper
 from ..models.pipeline import PipelineParser
 from .branches import BranchProcessor
 from ..storage.redis import RedisManager
-from ..storage.database import DatabaseManager
+# from ..storage.database import DatabaseManager  # Disabled - PostgreSQL moved to microservices
 from ..storage.license_plate import LicensePlateManager
 
 logger = logging.getLogger(__name__)
@@ -45,7 +45,7 @@ class DetectionPipeline:
         # Initialize components
         self.branch_processor = BranchProcessor(model_manager, model_id)
         self.redis_manager = None
-        self.db_manager = None
+        # self.db_manager = None  # Disabled - PostgreSQL operations moved to microservices
         self.license_plate_manager = None
 
         # Main detection model
@@ -113,16 +113,18 @@ class DetectionPipeline:
                     return False
                 logger.info("Redis connection initialized")
 
-            # Initialize database connection
-            if self.pipeline_parser.postgresql_config:
-                self.db_manager = DatabaseManager(self.pipeline_parser.postgresql_config.__dict__)
-                if not self.db_manager.connect():
-                    logger.error("Failed to initialize database connection")
-                    return False
-                # Create required tables
-                if not self.db_manager.create_car_frontal_info_table():
-                    logger.warning("Failed to create car_frontal_info table")
-                logger.info("Database connection initialized")
+            # PostgreSQL database connection DISABLED - operations moved to microservices
+            # Database operations are now handled by backend services via WebSocket
+            # if self.pipeline_parser.postgresql_config:
+            #     self.db_manager = DatabaseManager(self.pipeline_parser.postgresql_config.__dict__)
+            #     if not self.db_manager.connect():
+            #         logger.error("Failed to initialize database connection")
+            #         return False
+            #     # Create required tables
+            #     if not self.db_manager.create_car_frontal_info_table():
+            #         logger.warning("Failed to create car_frontal_info table")
+            #     logger.info("Database connection initialized")
+            logger.info("PostgreSQL operations disabled - using WebSocket for data communication")
 
             # Initialize license plate manager (using same Redis config as main Redis manager)
             if self.pipeline_parser.redis_config:
@@ -138,11 +140,11 @@ class DetectionPipeline:
                 logger.error("Failed to initialize detection model")
                 return False
 
-            # Initialize branch processor
+            # Initialize branch processor (db_manager=None since PostgreSQL is disabled)
             if not await self.branch_processor.initialize(
                 self.pipeline_config,
                 self.redis_manager,
-                self.db_manager
+                db_manager=None  # PostgreSQL disabled
             ):
                 logger.error("Failed to initialize branch processor")
                 return False
@@ -283,23 +285,25 @@ class DetectionPipeline:
                     return
 
             # Send imageDetection message with license plate data combined with processing results
+            # This is the PRIMARY data flow to backend - WebSocket is critical, keep this!
             await self._send_license_plate_message(subscription_id, license_text, confidence, session_id)
 
-            # Update database with license plate information if database manager is available
-            if self.db_manager and license_text:
-                success = self.db_manager.execute_update(
-                    table='car_frontal_info',
-                    key_field='session_id',
-                    key_value=session_id,
-                    fields={
-                        'license_character': license_text,
-                        'license_type': 'LPR_detected'  # Mark as detected by LPR service
-                    }
-                )
-                if success:
-                    logger.info(f"[LICENSE PLATE] Updated database for session {session_id}")
-                else:
-                    logger.warning(f"[LICENSE PLATE] Failed to update database for session {session_id}")
+            # PostgreSQL database update DISABLED - backend handles data via WebSocket messages
+            # if self.db_manager and license_text:
+            #     success = self.db_manager.execute_update(
+            #         table='car_frontal_info',
+            #         key_field='session_id',
+            #         key_value=session_id,
+            #         fields={
+            #             'license_character': license_text,
+            #             'license_type': 'LPR_detected'  # Mark as detected by LPR service
+            #         }
+            #     )
+            #     if success:
+            #         logger.info(f"[LICENSE PLATE] Updated database for session {session_id}")
+            #     else:
+            #         logger.warning(f"[LICENSE PLATE] Failed to update database for session {session_id}")
+            logger.debug(f"[LICENSE PLATE] Data sent via WebSocket for session {session_id}")
 
         except Exception as e:
             logger.error(f"Error in license plate result callback: {e}", exc_info=True)
@@ -710,17 +714,18 @@ class DetectionPipeline:
                 self.session_to_subscription[session_id] = subscription_id
                 logger.info(f"[SESSION MAPPING] Stored mapping: sessionId '{session_id}' -> subscriptionIdentifier '{subscription_id}'")
 
-            # Initialize database record with session_id
-            if session_id and self.db_manager:
-                success = self.db_manager.insert_initial_detection(
-                    display_id=display_id,
-                    captured_timestamp=detection_context['timestamp'],
-                    session_id=session_id
-                )
-                if success:
-                    logger.info(f"Created initial database record with session {session_id}")
-                else:
-                    logger.warning(f"Failed to create initial database record for session {session_id}")
+            # PostgreSQL database insert DISABLED - backend handles data via WebSocket
+            # if session_id and self.db_manager:
+            #     success = self.db_manager.insert_initial_detection(
+            #         display_id=display_id,
+            #         captured_timestamp=detection_context['timestamp'],
+            #         session_id=session_id
+            #     )
+            #     if success:
+            #         logger.info(f"Created initial database record with session {session_id}")
+            #     else:
+            #         logger.warning(f"Failed to create initial database record for session {session_id}")
+            logger.debug(f"Session {session_id} will be communicated via WebSocket")
 
             # Execute branches in parallel
             if hasattr(self.pipeline_config, 'branches') and self.pipeline_config.branches:
@@ -886,15 +891,16 @@ class DetectionPipeline:
             if valid_detections:
                 logger.info(f"Found {len(valid_detections)} valid detections for pipeline processing")
 
-                # Initialize database record if session_id is provided
-                if session_id and self.db_manager:
-                    success = self.db_manager.insert_initial_detection(
-                        display_id=display_id,
-                        captured_timestamp=detection_context['timestamp'],
-                        session_id=session_id
-                    )
-                    if not success:
-                        logger.warning(f"Failed to create initial database record for session {session_id}")
+                # PostgreSQL database insert DISABLED - backend handles data via WebSocket
+                # if session_id and self.db_manager:
+                #     success = self.db_manager.insert_initial_detection(
+                #         display_id=display_id,
+                #         captured_timestamp=detection_context['timestamp'],
+                #         session_id=session_id
+                #     )
+                #     if not success:
+                #         logger.warning(f"Failed to create initial database record for session {session_id}")
+                logger.debug(f"Detection results for session {session_id} will be sent via WebSocket")
 
                 # Execute branches in parallel
                 if hasattr(self.pipeline_config, 'branches') and self.pipeline_config.branches:
@@ -1025,11 +1031,16 @@ class DetectionPipeline:
                 logger.debug(f"Executing parallel action: {action_type}")
 
                 if action_type == 'postgresql_update_combined':
-                    result = await self._execute_postgresql_update_combined(action, context)
+                    # PostgreSQL action SKIPPED - database operations disabled
+                    logger.info(f"Skipping PostgreSQL action '{action_type}' (disabled)")
+                    result = {'status': 'skipped', 'message': 'PostgreSQL operations disabled'}
 
-                    # Update session state with processing results after database update
-                    if result.get('status') == 'success':
-                        await self._update_session_with_processing_results(context)
+                    # Still update session state for WebSocket messaging
+                    await self._update_session_with_processing_results(context)
+
+                    # result = await self._execute_postgresql_update_combined(action, context)
+                    # if result.get('status') == 'success':
+                    #     await self._update_session_with_processing_results(context)
                 else:
                     logger.warning(f"Unknown parallel action type: {action_type}")
                     result = {'status': 'error', 'message': f'Unknown action type: {action_type}'}
@@ -1132,59 +1143,61 @@ class DetectionPipeline:
             logger.error(f"Error in redis_publish action: {e}", exc_info=True)
             return {'status': 'error', 'message': str(e)}
 
-    async def _execute_postgresql_update_combined(self,
-                                                action: Dict,
-                                                context: Dict[str, Any]) -> Dict[str, Any]:
-        """Execute postgresql_update_combined action."""
-        if not self.db_manager:
-            return {'status': 'error', 'message': 'Database not available'}
-
-        try:
-            # Wait for required branches if specified
-            wait_for_branches = action.params.get('waitForBranches', [])
-            branch_results = context.get('branch_results', {})
-
-            # Log missing branches but don't block the update (allow partial results)
-            missing_branches = [b for b in wait_for_branches if b not in branch_results]
-            if missing_branches:
-                logger.warning(f"Some branches missing from results (will use null): {missing_branches}")
-            available_branches = [b for b in wait_for_branches if b in branch_results]
-            if available_branches:
-                logger.info(f"Available branches for database update: {available_branches}")
-
-            # Prepare fields for database update
-            table = action.params.get('table', 'car_frontal_info')
-            key_field = action.params.get('key_field', 'session_id')
-            key_value = action.params.get('key_value', '{session_id}').format(**context)
-            field_mappings = action.params.get('fields', {})
-
-            # Resolve field values using branch results
-            resolved_fields = {}
-            for field_name, field_template in field_mappings.items():
-                try:
-                    # Replace template variables with actual values from branch results
-                    resolved_value = self._resolve_field_template(field_template, branch_results, context)
-                    resolved_fields[field_name] = resolved_value
-                except Exception as e:
-                    logger.warning(f"Failed to resolve field {field_name}: {e}")
-                    resolved_fields[field_name] = None
-
-            # Execute database update
-            success = self.db_manager.execute_update(
-                table=table,
-                key_field=key_field,
-                key_value=key_value,
-                fields=resolved_fields
-            )
-
-            if success:
-                return {'status': 'success', 'table': table, 'key': f'{key_field}={key_value}', 'fields': resolved_fields}
-            else:
-                return {'status': 'error', 'message': 'Database update failed'}
-
-        except Exception as e:
-            logger.error(f"Error in postgresql_update_combined action: {e}", exc_info=True)
-            return {'status': 'error', 'message': str(e)}
+    # PostgreSQL update method DISABLED - database operations moved to microservices
+    # This method is no longer used as data flows via WebSocket messages to backend
+    # async def _execute_postgresql_update_combined(self,
+    #                                             action: Dict,
+    #                                             context: Dict[str, Any]) -> Dict[str, Any]:
+    #     """Execute postgresql_update_combined action."""
+    #     if not self.db_manager:
+    #         return {'status': 'error', 'message': 'Database not available'}
+    #
+    #     try:
+    #         # Wait for required branches if specified
+    #         wait_for_branches = action.params.get('waitForBranches', [])
+    #         branch_results = context.get('branch_results', {})
+    #
+    #         # Log missing branches but don't block the update (allow partial results)
+    #         missing_branches = [b for b in wait_for_branches if b not in branch_results]
+    #         if missing_branches:
+    #             logger.warning(f"Some branches missing from results (will use null): {missing_branches}")
+    #         available_branches = [b for b in wait_for_branches if b in branch_results]
+    #         if available_branches:
+    #             logger.info(f"Available branches for database update: {available_branches}")
+    #
+    #         # Prepare fields for database update
+    #         table = action.params.get('table', 'car_frontal_info')
+    #         key_field = action.params.get('key_field', 'session_id')
+    #         key_value = action.params.get('key_value', '{session_id}').format(**context)
+    #         field_mappings = action.params.get('fields', {})
+    #
+    #         # Resolve field values using branch results
+    #         resolved_fields = {}
+    #         for field_name, field_template in field_mappings.items():
+    #             try:
+    #                 # Replace template variables with actual values from branch results
+    #                 resolved_value = self._resolve_field_template(field_template, branch_results, context)
+    #                 resolved_fields[field_name] = resolved_value
+    #             except Exception as e:
+    #                 logger.warning(f"Failed to resolve field {field_name}: {e}")
+    #                 resolved_fields[field_name] = None
+    #
+    #         # Execute database update
+    #         success = self.db_manager.execute_update(
+    #             table=table,
+    #             key_field=key_field,
+    #             key_value=key_value,
+    #             fields=resolved_fields
+    #         )
+    #
+    #         if success:
+    #             return {'status': 'success', 'table': table, 'key': f'{key_field}={key_value}', 'fields': resolved_fields}
+    #         else:
+    #             return {'status': 'error', 'message': 'Database update failed'}
+    #
+    #     except Exception as e:
+    #         logger.error(f"Error in postgresql_update_combined action: {e}", exc_info=True)
+    #         return {'status': 'error', 'message': str(e)}
 
     def _resolve_field_template(self, template: str, branch_results: Dict, context: Dict) -> str:
         """
@@ -1270,7 +1283,7 @@ class DetectionPipeline:
             'branches': branch_stats,
             'license_plate': license_stats,
             'redis_available': self.redis_manager is not None,
-            'database_available': self.db_manager is not None,
+            # 'database_available': self.db_manager is not None,  # PostgreSQL disabled
             'detection_model_loaded': self.detection_model is not None
         }
 
@@ -1282,8 +1295,9 @@ class DetectionPipeline:
         if self.redis_manager:
             self.redis_manager.cleanup()
 
-        if self.db_manager:
-            self.db_manager.disconnect()
+        # PostgreSQL disconnect DISABLED - database operations moved to microservices
+        # if self.db_manager:
+        #     self.db_manager.disconnect()
 
         if self.branch_processor:
             self.branch_processor.cleanup()