Add better error handling

discord_reminder_bot/misc.py

@@ -25,14 +25,42 @@ def calculate(job: Job) -> str:
     trigger_time: datetime.datetime | None = (
         job.trigger.run_date if isinstance(job.trigger, DateTrigger) else job.next_run_time
     )
+
+    # Check if the job is paused
     if trigger_time is None:
         logger.error("Couldn't calculate time for job: %s: %s", job.id, job.name)
         logger.error("State: %s", job.__getstate__() if hasattr(job, "__getstate__") else "No state")
-        return "Couldn't calculate time"
+        return "Paused"
 
     return f"<t:{int(trigger_time.timestamp())}:R>"
 
 
+def get_human_time(time: datetime.timedelta) -> str:
+    """Convert timedelta to human-readable format.
+
+    Args:
+        time: The timedelta to convert.
+
+    Returns:
+        str: The human-readable time.
+    """
+    days, seconds = divmod(time.total_seconds(), 86400)
+    hours, seconds = divmod(seconds, 3600)
+    minutes, seconds = divmod(seconds, 60)
+
+    time_str: str = ""
+    if days:
+        time_str += f"{int(days)}d"
+    if hours:
+        time_str += f"{int(hours)}h"
+    if minutes:
+        time_str += f"{int(minutes)}m"
+    if seconds:
+        time_str += f"{int(seconds)}s"
+
+    return time_str
+
+
 def calc_time(time: datetime.datetime) -> str:
     """Convert a datetime object to a Discord timestamp.