--- /dev/null
+# -*- 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 django import forms
+from django.utils.translation import ugettext_lazy as _
+
+from catalogue.models import Tag
+from catalogue import utils
+from social.utils import get_set, set_sets
+
+
+class UserSetsForm(forms.Form):
+ def __init__(self, book, user, *args, **kwargs):
+ super(UserSetsForm, self).__init__(*args, **kwargs)
+ self.fields['set_ids'] = forms.ChoiceField(
+ choices=[(tag.id, tag.name) for tag in Tag.objects.filter(category='set', user=user)],
+ )
+
+
+class ObjectSetsForm(forms.Form):
+ tags = forms.CharField(label=_('Tags (comma-separated)'), required=False)
+
+ def __init__(self, obj, user, *args, **kwargs):
+ self._obj = obj
+ self._user = user
+ data = kwargs.setdefault('data', {})
+ if 'tags' not in data and user.is_authenticated():
+ data['tags'] = ', '.join(t.name
+ for t in obj.tags.filter(category='set', user=user) if t.name)
+ super(ObjectSetsForm, self).__init__(*args, **kwargs)
+
+ def save(self, request):
+ tags = [get_set(self._user, tag_name.strip())
+ for tag_name in self.cleaned_data['tags'].split(',')]
+ set_sets(self._user, self._obj, tags)
+ return {"like": True}
+
+
+class NewSetForm(forms.Form):
+ name = forms.CharField(max_length=50, required=True)
+
+ def __init__(self, *args, **kwargs):
+ super(NewSetForm, self).__init__(*args, **kwargs)
+ self.fields['name'].widget.attrs['title'] = _('Name of the new shelf')
+
+ def save(self, user, commit=True):
+ name = self.cleaned_data['name']
+ new_set = Tag(name=name, slug=utils.get_random_hash(name), sort_key=name.lower(),
+ category='set', user=user)
+
+ new_set.save()
+ return new_set