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51 lines
1.7 KiB
Python
51 lines
1.7 KiB
Python
from datetime import timedelta
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from django.utils.timezone import now as tznow
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from django.template.loader import render_to_string
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from nano.blog.models import Entry as _Entry
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from nano.blog.settings import NANO_BLOG_TAGS, NANO_BLOG_SPECIAL_TAGS
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_five_minutes = timedelta(seconds=5*60)
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def add_entry_to_blog(obj, headline, template, date_field='last_modified'):
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"""Auto-blog about <obj>
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obj: object to blog about
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headline: string w/o html
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template: template, given the context 'obj' mapping to the object
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date_field: date_field on object to be used for publishing date
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"""
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data = {'obj': obj}
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current_time = tznow()
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template = render_to_string(template, dictionary=data)
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pub_date = obj.__dict__.get(date_field, current_time)
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latest = _Entry.objects.latest()
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# Prevent duplicates
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if not (latest.headline == headline and latest.pub_date > current_time - _five_minutes):
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blog_entry = _Entry.objects.create(content=template,headline=headline,pub_date=pub_date)
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return blog_entry
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def get_nano_blog_entries(special_tags=NANO_BLOG_SPECIAL_TAGS, cutoff=2):
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"""Fetch <cutoff> number of most recent blog entries and split out
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entries tagged with <special_tags>.
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cutoff: integer, default 2
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special_tags: iterable collection of strings, default NANO_BLOG_SPECIAL_TAGS
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"""
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special_news = ()
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news = _Entry.objects
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if NANO_BLOG_TAGS:
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special_news = news.filter(tags__slug__in=special_tags)
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special_news = special_news.order_by('-pub_date')[:cutoff]
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if special_news:
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news = news.exclude(id__in=[e.id for e in special_news])
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else:
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news = news.all()
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news = news.order_by('-pub_date')[:cutoff]
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return news, special_news
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