Move parse_time function to main.py and remove parser.py; update tests accordingly

discord_reminder_bot/main.py

@@ -10,6 +10,7 @@ from pathlib import Path
 from typing import TYPE_CHECKING, Any
 from zoneinfo import ZoneInfo, ZoneInfoNotFoundError
 
+import dateparser
 import discord
 import pytz
 import sentry_sdk
@@ -26,8 +27,6 @@ from discord_webhook import DiscordWebhook
 from dotenv import load_dotenv
 from loguru import logger
 
-from discord_reminder_bot.parser import parse_time
-
 if TYPE_CHECKING:
     from apscheduler.job import Job
     from discord.guild import GuildChannel
@@ -46,6 +45,45 @@ sentry_sdk.init(
 )
 
 
+def parse_time(date_to_parse: str | None, timezone: str | None = os.getenv("TIMEZONE")) -> datetime.datetime | None:
+    """Parse a date string into a datetime object.
+
+    Args:
+        date_to_parse(str): The date string to parse.
+        timezone(str, optional): The timezone to use. Defaults timezone from settings.
+
+    Returns:
+        datetime.datetime: The parsed datetime object.
+    """
+    if not date_to_parse:
+        logger.error("No date provided to parse.")
+        return None
+
+    if not timezone:
+        logger.error("No timezone provided to parse date.")
+        return None
+
+    logger.info(f"Parsing date: '{date_to_parse}' with timezone: '{timezone}'")
+
+    try:
+        parsed_date: datetime.datetime | None = dateparser.parse(
+            date_string=date_to_parse,
+            settings={
+                "PREFER_DATES_FROM": "future",
+                "TIMEZONE": f"{timezone}",
+                "RETURN_AS_TIMEZONE_AWARE": True,
+                "RELATIVE_BASE": datetime.datetime.now(tz=ZoneInfo(str(timezone))),
+            },
+        )
+    except (ValueError, TypeError) as e:
+        logger.error(f"Failed to parse date: '{date_to_parse}' with timezone: '{timezone}'. Error: {e}")
+        return None
+
+    logger.debug(f"Parsed date: {parsed_date} from '{date_to_parse}'")
+
+    return parsed_date
+
+
 def calculate(job: Job) -> str:
     """Calculate the time left for a job.