Move epoch parser outside of LLM due to inconsistencies (#312)

* Move epoch parser outside of LLM due to inconsistencies

* Fix linter errors

* Fix exception handling on epoch function

* Fix logging debugger

* Change logger to error.py

Co-authored-by: Christian Adell <chadell@gmail.com>

---------

Co-authored-by: Christian Adell <chadell@gmail.com>

Author: aliex-13

circuit_maintenance_parser/parser.py

@@ -5,9 +5,10 @@
 import calendar
 import datetime
 import quopri
+import hashlib
 from typing import Dict, List
 from email.utils import parsedate_tz, mktime_tz
-import hashlib
+from dateutil.parser import isoparse
 
 import bs4  # type: ignore
 from bs4.element import ResultSet  # type: ignore
@@ -297,15 +298,15 @@ class LLM(Parser):
     _data_types = PrivateAttr(["text/html", "html", "text/plain"])
 
     _llm_question = """Please, could you extract a JSON form without any other comment,
-    with the following JSON schema (timestamps in EPOCH and taking into account the GMT offset):
+    with the following JSON schema (start and end times are datetime objects and should be displayed in UTC):
     {
     "type": "object",
     "properties": {
         "start": {
-            "type": "int",
+            "type": "datetime",
         },
         "end": {
-            "type": "int",
+            "type": "datetime",
         },
         "account": {
             "type": "string",
@@ -408,6 +409,17 @@ def _get_circuit_ids(self, generated_json: dict, impact: Impact):
 
         return circuits
 
+    def _convert_str_datetime_to_epoch(self, time_str):
+        try:
+            # Using isoparse for flexible ISO8601 parsing
+            time_dt = isoparse(time_str).astimezone(datetime.timezone.utc)
+            epoch_time = int(time_dt.timestamp())
+            return epoch_time
+
+        except Exception as error_received:
+            logger.error("Error parsing dates: %s", error_received)
+            raise ParserError from error_received
+
     def _get_start(self, generated_json: dict):
         """Method to get the Start Time."""
         return generated_json[self.get_key_with_string(generated_json, "start")]
@@ -460,6 +472,10 @@ def parse_content(self, content):
         if not generated_json:
             return []
 
+        if generated_json.get("start") and generated_json.get("end"):
+            generated_json["start"] = self._convert_str_datetime_to_epoch(generated_json["start"])
+            generated_json["end"] = self._convert_str_datetime_to_epoch(generated_json["end"])
+
         impact = self._get_impact(generated_json)
 
         data = {