#!/usr/bin/env python

# Author: Pablo Saavedra
# Contact: pablo.saavedra@interoud.com

import os
import sys

reload(sys)
sys.setdefaultencoding('utf-8')
print sys.getdefaultencoding()

os.environ.setdefault("DJANGO_SETTINGS_MODULE", "settings")

from liver.models import RecordingJob

from optparse import OptionParser
from datetime import datetime
import time, pytz

parser = OptionParser()
parser.add_option("-k", "--keepbackdays", dest="days",
                  help="Days to keep back", metavar="DAYS",
                  default=7)

(options, args) = parser.parse_args()

now_seconds = int(time.time())
seconds_of_week = int(options.days) * 24 * 60 * 60
t=now_seconds-seconds_of_week
objs = RecordingJob.objects\
        .filter(
            execution_date__lt=datetime.fromtimestamp(t,pytz.UTC))\
        .iterator()

for o in objs:
    print "Deleting " + unicode(o) + " (" + str(o.execution_date) + ")"
    o.delete()

