catalogue/templatetags/catalogue_tags.py

   1 from django import template
   2 from django.utils.datastructures import SortedDict
   3 from ..models import Lesson, Section
   4
   5 register = template.Library()
   6
   7
   8 @register.inclusion_tag("catalogue/snippets/carousel.html")
   9 def catalogue_carousel():
  10     return {
  11     }
  12
  13 @register.inclusion_tag("catalogue/snippets/section_buttons.html")
  14 def catalogue_section_buttons():
  15     return {
  16         "object_list": Section.objects.all()
  17     }
  18
  19 @register.inclusion_tag("catalogue/snippets/chosen_topics.html")
  20 def catalogue_chosen_topics():
  21     return {
  22     }
  23
  24 @register.inclusion_tag("catalogue/snippets/section_box.html")
  25 def section_box(section):
  26     lessons = SortedDict()
  27     for lesson in section.lesson_set.all():
  28         if lesson.level not in lessons:
  29             lessons[lesson.level] = SortedDict()
  30         if lesson.depth not in lessons[lesson.level]:
  31             lessons[lesson.level][lesson.depth] = []
  32         lessons[lesson.level][lesson.depth].append(lesson)
  33     return {
  34         "lessons": lessons,
  35     }
  36
  37 @register.inclusion_tag("catalogue/snippets/lesson_nav.html")
  38 def lesson_nav(lesson):
  39     if lesson.depth == 1:
  40         root = lesson.section
  41         siblings = root.lesson_set.filter(depth=1)
  42     else:
  43         root = None
  44         siblings = Lesson.objects.filter(depth=0)
  45     return {
  46         "lesson": lesson,
  47         "root": root,
  48         "siblings": siblings,
  49     }
  50
  51 @register.filter
  52 def person_list(persons):
  53     from librarian.dcparser import Person
  54     return u", ".join(Person.from_text(p).readable() for p in persons)
  55
  56
  57 # FIXME: Move to fnpdjango
  58 import feedparser
  59 import datetime
  60 @register.inclusion_tag('catalogue/latest_blog_posts.html')
  61 def latest_blog_posts(feed_url, posts_to_show=5):
  62     try:
  63         feed = feedparser.parse(str(feed_url))
  64         posts = []
  65         for i in range(posts_to_show):
  66             pub_date = feed['entries'][i].updated_parsed
  67             published = datetime.date(pub_date[0], pub_date[1], pub_date[2] )
  68             posts.append({
  69                 'title': feed['entries'][i].title,
  70                 'summary': feed['entries'][i].summary,
  71                 'link': feed['entries'][i].link,
  72                 'date': published,
  73                 })
  74         return {'posts': posts}
  75     except:
  76         return {'posts': []}