def scrape(request, tvdb_id):
"""
Takes a scrape request, constructs a Scraper object and performs a scrape for the show if it hasn't been scraped
before or hasn't been scraped within the last :math:`x` days (where :math:`x` is the number of days specified by
RESCRAPE_AFTER). Otherwise if the show exists and has been scraped within the last :math:`x` days redirect to the
appropriate show page
:param request: A Scrape request object.
:param tvdb_id: The id of the tv show to be scraped (or shown)
:return: A HttpResponse Object containing the page of the show requested.
"""
# Determine if the show already exists in the datastore
q = TVShow.get_by_key_name(tvdb_id)
if users.is_current_user_admin() and 'force' in request.GET and request.GET[
'force'] == '1':
Scraper(tvdb_id, rescrape=True, options=q.options)
return HttpResponseRedirect('/show/{0}'.format(q.url_string))
# Check if the show has been scraped before and if that scrape was in the last x days specified by RESCRAPE_AFTER
if q and q.last_scraped > datetime.now() - timedelta(days=RESCRAPE_AFTER):
url_slug = q.url_string
else:
# If scraping is switched on then scrape the show
if settings.SCRAPING:
s = Scraper(tvdb_id)
url_slug = s.get_url_slug()
else:
url_slug = tvdb_id
return HttpResponseRedirect('/show/{0}'.format(url_slug))
