Merge branch 'reflow'

[wolnelektury.git] / apps / social / utils.py

diff --git a/apps/social/utils.py b/apps/social/utils.py
deleted file mode 100755 (executable)
index bf1c242..0000000
--- a/apps/social/utils.py
+++ /dev/null
@@ -1,74 +0,0 @@
-# -*- coding: utf-8 -*-
-# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
-# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
-#
-from collections import defaultdict
-from django.contrib.contenttypes.models import ContentType
-from django.db.models import Q
-from django.utils.functional import lazy
-from catalogue.models import Book, Tag
-from catalogue import utils
-from catalogue.tasks import touch_tag
-from social.models import Cite
-
-
-def likes(user, work, request=None):
-    if not user.is_authenticated():
-        return False
-
-    if request is None:
-        return work.tags.filter(category='set', user=user).exists()
-
-    if not hasattr(request, 'social_likes'):
-        # tuple: unchecked, checked, liked
-        request.social_likes = defaultdict(lambda:(set(), set(), set()))
-
-    ct = ContentType.objects.get_for_model(type(work))
-    likes_t = request.social_likes[ct.pk]
-    if work.pk in likes_t[1]:
-        return work.pk in likes_t[2]
-    else:
-        likes_t[0].add(work.pk)
-        def _likes():
-            if likes_t[0]:
-                ids = tuple(likes_t[0])
-                likes_t[0].clear()
-                likes_t[2].update(Tag.intermediary_table_model.objects.filter(
-                    content_type_id=ct.pk, tag__user_id=user.pk,
-                    object_id__in=ids
-                ).distinct().values_list('object_id', flat=True))
-                likes_t[1].update(ids)
-            return work.pk in likes_t[2]
-        return lazy(_likes, bool)()
-
-
-def get_set(user, name):
-    """Returns a tag for use by the user. Creates it, if necessary."""
-    try:
-        tag = Tag.objects.get(category='set', user=user, name=name)
-    except Tag.DoesNotExist:
-        tag = Tag.objects.create(category='set', user=user, name=name,
-                slug=utils.get_random_hash(name), sort_key=name.lower())
-    return tag
-
-
-def set_sets(user, work, sets):
-    """Set tags used for given work by a given user."""
-
-    old_sets = list(work.tags.filter(category='set', user=user))
-
-    work.tags = sets + list(
-            work.tags.filter(~Q(category='set') | ~Q(user=user)))
-
-    for shelf in [shelf for shelf in old_sets if shelf not in sets]:
-        touch_tag(shelf)
-    for shelf in [shelf for shelf in sets if shelf not in old_sets]:
-        touch_tag(shelf)
-
-    # delete empty tags
-    Tag.objects.filter(category='set', user=user, items=None).delete()
-
-
-def cites_for_tags(tags):
-    """Returns a QuerySet with all Cites for books with given tags."""
-    return Cite.objects.filter(book__in=Book.tagged.with_all(tags))