65 lines
2.2 KiB
Python
65 lines
2.2 KiB
Python
import random
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from Products.CMFCore.utils import getToolByName
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import tabellio.config.utils
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class BasePublication(object):
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@property
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def date_str(self):
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return self.date.strftime('%d/%m/%Y')
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def get_authors_as_string(self):
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if not self.authors:
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return ''
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return ', '.join([x.to_object.title for x in self.authors])
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@property
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def authors_html_str(self):
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if not self.authors:
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return ''
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return ', '.join([u'<a href="%s">%s</a>' % (x.to_object.absolute_url(), x.to_object.title)
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for x in self.authors])
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@property
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def topic_titles(self):
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from plone.i18n.normalizer.fr import normalizer
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topic_dict = tabellio.config.utils.get_topics_dict()
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def cmp_topic(x, y):
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return cmp(normalizer.normalize(x).lower(),
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normalizer.normalize(y).lower())
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return sorted([topic_dict.get(x, [x])[0] for x in self.topics], cmp_topic)
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@property
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def polgroups_str(self):
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if not self.polgroups:
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return ''
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return ', '.join([x.to_object.title for x in self.polgroups])
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def related_elements(self, max_items=5, closeness=0.5):
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if not self.topics:
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return []
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topics = self.topics[:]
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# try to get other elements sharing the same topics
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catalog = getToolByName(self, 'portal_catalog')
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previous_result = None
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r = []
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while len(topics) > len(self.topics)*closeness:
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brains = catalog(portal_type=self.portal_type,
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topics={'query': topics, 'operator': 'and'})
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if len(brains) > max_items:
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brains = list(brains)
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random.shuffle(brains)
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if previous_result:
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brains = list(previous_result) + brains
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r = brains[:max_items]
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break
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elif len(brains) > max_items/2:
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r = brains
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break
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previous_result = brains
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del topics[random.randint(0, len(topics)-1)]
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doc_ids = [self.id]
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return [x for x in r if ((type(x.getId) is str) and x.getId or x.getId()) not in doc_ids]
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