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31 lines
1.2 KiB
Python
31 lines
1.2 KiB
Python
def add_time(start: str, duration: str, day: str=""):
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days: list[str] = ["monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"]
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day = day.casefold()
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time, am_pm = start.split(" ")
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time_hour, time_minute = [int(part) for part in time.split(":")]
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add_hours, add_minutes = [int(part) for part in duration.split(":")]
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new_time_minute = (time_minute + add_minutes)%60
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new_time_hour = (time_hour + add_hours + int((time_minute + add_minutes)/60))%12
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if new_time_hour == 0:
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new_time_hour = 12
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am_pm_revolutions = int((time_hour + add_hours + int((time_minute + add_minutes)/60))/12)
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days_past = int(am_pm_revolutions/2)
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new_am_pm = am_pm
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if (am_pm_revolutions%2):
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days_past += 1 if am_pm == "PM" else 0
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new_am_pm = "AM" if am_pm == "PM" else "PM"
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if days_past == 1:
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days_str = " (next day)"
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elif days_past > 1:
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days_str = f" ({days_past} days later)"
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else:
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days_str = ''
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if day:
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new_day = f", {days[int((days.index(day)+days_past)%len(days))].capitalize()}"
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else:
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new_day = ""
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new_time = f'{new_time_hour}:{str(new_time_minute).zfill(2)} {new_am_pm}{new_day}{days_str}'
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return new_time |