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mdsrosa/date_challenge.py

Created October 28, 2015 14:50
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  1. Matheus Rosa created this gist Oct 28, 2015.
    63 changes: 63 additions & 0 deletions date_challenge.py
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,63 @@
    import sys
    def sum_minutes_to_date(str_date, minutes):
    date, hour = str_date.split(' ')
    day, month, year = date.split('/')
    day = int(day)
    month_start_with_0 = False

    if month.startswith('0'): month_start_with_0 = True

    month = int(month)
    year = int(year)
    h, m = map(int, hour.split(':'))
    minute = m + minutes

    if minute >= 60:
    if len(str(m)) == 1: m = '0{0}'.format(m)
    h += 1
    if h >= 24:
    day += 1
    h = '00'
    else:
    m = minute
    if month_start_with_0:
    month = '0{0}'.format(month)

    return "%s/%s/%s %s:%s" % (day, month, year, h, m)

    def subtract_minutes_from_date(str_date, minutes):
    date, hour = str_date.split(' ')
    day, month, year = date.split('/')
    day = int(day)
    month_start_with_0 = False

    if month.startswith('0'): month_start_with_0 = True

    month = int(month)
    year = int(year)
    h, m = map(int, hour.split(':'))
    if minutes >= 60:
    h -= minutes/60
    if len(str(m)) == 1: m = '0{0}'.format(m)
    if h < 1:
    day -= 1
    h = '00'
    else:
    m -= minutes
    if month_start_with_0:
    month = '0{0}'.format(month)

    return "%s/%s/%s %s:%s" % (day, month, year, h, m)


    def add_or_subtract_minutes_date(str_date, operation, minutes):
    if operation in ('+', '-'):
    if operation == '+':
    return sum_minutes_to_date(str_date, minutes)
    elif operation == '-':
    return subtract_minutes_from_date(str_date, minutes)
    else:
    return'Invalid operation: {0}'.format(operation)


    print add_or_subtract_minutes_date(sys.argv[1], sys.argv[2], int(sys.argv[3]))