SIENTIAPDE-1169

Implement server validation and output tag management in OPC class

- Added a new method to validate the existence of OPC servers before writing data, improving error handling.
- Introduced a method to manage writing of prediction and confidence tags, streamlining the data writing process.
- Refactored the write_opc_data method to utilize the new validation and management methods for better code organization and clarity.

laborious/activities/opc.py

@@ -99,34 +99,7 @@ class OPC(BaseActivity):
             )
             raise e
 
-    @activity.defn(name='write_opc_data')
+    def validate_server(self, server_id: str, metadata: dict[str, Any]) -> bool:
-    async def write_opc_data(self, input_data: dict[str, Any]) -> dict[Any, Any]:
-        """
-        Write prediction and confidence data to OPC servers. The two writing
-        operations are optional and independent of each other.
-
-        Args:
-            - input_data(dict[str, Any]): The input data. Contains the following keys:
-                - data(dict[str, Any]): The dataframe that contains the data to write
-                to the OPC servers.
-                - opc_output_config(dict[str, Any]): The OPC writing configuration.
-                The keys are the OPC server names and the values contain:
-                    - prediction_tags(dict[str, Any]): The tags to write to the OPC servers.
-                    - confidence_tags(dict[str, Any]): The tags to write to the OPC servers.
-
-        Returns:
-            - dict[Any, Any]: The data that was written to the OPC servers.
-
-        """
-        metadata = input_data['metadata']
-        self.debug("Writing data to OPC servers...", metadata)
-        data = DataFrame(input_data['data'])
-        opc_output_config = input_data['opc_output_config']
-        self.debug(data, metadata)
-
-        success = True
-
-        for server_id, config in opc_output_config.items():
         if self.opc_repository.get(server_id) is None:
             message = f"OPC server {server_id} not found to perform write operation."
             self.send_notification(
@@ -137,8 +110,12 @@ class OPC(BaseActivity):
                 level=NotificationLevel.ERROR,
                 attachment_content=f"OPC servers: {list(self.opc_repository.keys())}"
             )
-                success = False
+            return False
+        return True
 
+    def manage_output_tags(
+            self, server_id: str, config: dict[str, Any], data: DataFrame,
+            metadata: dict[str, Any], success: bool) -> bool:
         if 'prediction_tags' in config:
             for tag, tag_config in config['prediction_tags'].items():
                 local_success = self.write_data(
@@ -169,6 +146,44 @@ class OPC(BaseActivity):
                         f"Confidence data written to OPC server {server_id} for tag {tag}.", metadata)
                 success = success and local_success
 
+        return success
+
+    @activity.defn(name='write_opc_data')
+    async def write_opc_data(self, input_data: dict[str, Any]) -> dict[Any, Any]:
+        """
+        Write prediction and confidence data to OPC servers. The two writing
+        operations are optional and independent of each other.
+
+        Args:
+            - input_data(dict[str, Any]): The input data. Contains the following keys:
+                - data(dict[str, Any]): The dataframe that contains the data to write
+                to the OPC servers.
+                - opc_output_config(dict[str, Any]): The OPC writing configuration.
+                The keys are the OPC server names and the values contain:
+                    - prediction_tags(dict[str, Any]): The tags to write to the OPC servers.
+                    - confidence_tags(dict[str, Any]): The tags to write to the OPC servers.
+
+        Returns:
+            - dict[Any, Any]: The data that was written to the OPC servers.
+
+        """
+        metadata = input_data['metadata']
+        self.debug("Writing data to OPC servers...", metadata)
+        data = DataFrame(input_data['data'])
+        opc_output_config = input_data['opc_output_config']
+        self.debug(data, metadata)
+
+        success = True
+
+        for server_id, config in opc_output_config.items():
+
+            if not self.validate_server(server_id, metadata):
+                success = False
+                continue
+
+            success = success and self.manage_output_tags(
+                server_id, config, data, metadata, success)
+
         return self.process_confidence(data, success, metadata)
 
     def process_confidence(self, data: DataFrame, success: bool, metadata: dict[str, Any]) -> dict[Any, Any]: