def save(self, *args, **kwargs):
cache.delete('link_%s' % self.pk)
self.do_unique_slug()
if not self.id:
from resrc.utils.hash2 import hash2
self.hash2 = hash2(self.url)
cache.set('link_%s' % self.pk, self, 60*5)
super(Link, self).save(*args, **kwargs)
def search(request, tags, operand, excludes):
lang_filter = [1]
if request.user.is_authenticated():
from resrc.userprofile.models import Profile
profile = Profile.objects.get(user=request.user)
lang_filter = profile.languages.all().order_by('name').values_list('pk', flat=True)
langs = '_'.join(map(str, lang_filter))
from resrc.utils.hash2 import hash2
h = hash2("%s%s%s%s" % (tags, operand, excludes, langs))
result = cache.get(h)
if result is None:
from django.db.models import Q
import operator
tags = tags.split(',')
excludes = excludes.split(',')
# filter after operands
if tags[0] != u'':
if operand == 'or':
# clever "or" trick
op = operator.or_
tag_qs = reduce(op, (Q(tags__name=tag) for tag in tags))
links = Link.objects.filter(tag_qs)
else:
# stupid "and" trick
links = Link.objects.filter(tags__name=tags[0])
for tag in tags:
links = links.filter(tags__name=tag)
else:
links = Link.objects.all()
for exclude in excludes:
links = links.exclude(tags__name=exclude)
links = links.filter(language__in=lang_filter)
links = links.distinct()
link_result = []
links_pk = []
for link in links:
link_result.append({
'pk': link.pk,
'title': link.title,
'url': link.get_absolute_url()
})
links_pk.append(link.pk)
from resrc.list.models import List
lists = List.objects.filter(links__in=links_pk)
lists = lists.exclude(is_public=False)
lists = lists.filter(language__in=lang_filter)
lists = lists.distinct()
list_result = []
for alist in lists:
list_result.append({
'pk': alist.pk,
'title': alist.title,
'url': alist.get_absolute_url()
})
result = []
result.append(link_result)
result.append(list_result)
cache.set(h, result, 60*3)
result = simplejson.dumps(result)
return HttpResponse(result, mimetype="application/javascript")
def search(request, tags, operand, excludes):
lang_filter = [1]
if request.user.is_authenticated():
from resrc.userprofile.models import Profile
profile = Profile.objects.get(user=request.user)
lang_filter = profile.languages.all().order_by('name').values_list('pk', flat=True)
langs = '_'.join(map(str, lang_filter))
from resrc.utils.hash2 import hash2
h = hash2("%s%s%s%s" % (tags, operand, excludes, langs))
result = cache.get(h)
if result is None:
from django.db.models import Q
import operator
tags = tags.split(',')
excludes = excludes.split(',')
# filter after operands
if tags[0] != u'':
if operand == 'or':
# clever "or" trick
op = operator.or_
tag_qs = reduce(op, (Q(tags__name=tag) for tag in tags))
links = Link.objects.filter(tag_qs)
else:
# stupid "and" trick
links = Link.objects.filter(tags__name=tags[0])
for tag in tags:
links = links.filter(tags__name=tag)
else:
links = Link.objects.all()
for exclude in excludes:
links = links.exclude(tags__name=exclude)
links = links.exclude(list__is_public=False)
links = links.filter(language__in=lang_filter)
link_result = []
links_pk = []
for link in links:
link_result.append({
'pk': link.pk,
'title': link.title,
'url': link.get_absolute_url()
})
links_pk.append(link.pk)
from resrc.list.models import List
lists = List.objects.filter(links__in=links_pk)
lists = lists.filter(language__in=lang_filter)
lists = lists.distinct()
list_result = []
for alist in lists:
list_result.append({
'pk': alist.pk,
'title': alist.title,
'url': alist.get_absolute_url()
})
result = []
result.append(link_result)
result.append(list_result)
cache.set(h, result, 60*60*24*3)
result = simplejson.dumps(result)
return HttpResponse(result, mimetype="application/javascript")
def test_hash2(self):
'''Test hash2'''
self.assertEqual(hash2('http://example.com'), 's1o0gijd8y')
def test_hash2(self):
'''Test hash2'''
self.assertEqual(hash2('http://example.com'), 's1o0gijd8y')