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             newdict = SortedDict()
  30             newdict['synthetic'] = []
  31             newdict['course'] = []
  32             lessons[lesson.level] = newdict
  33         if lesson.type not in lessons[lesson.level]:
  34             lessons[lesson.level][lesson.type] = []
  35         lessons[lesson.level][lesson.type].append(lesson)
  36     return {
  37         "lessons": lessons,
  38     }
  39
  40 @register.inclusion_tag("catalogue/snippets/lesson_nav.html")
  41 def lesson_nav(lesson):
  42     if lesson.type == 'course':
  43         root = lesson.section
  44         siblings = root.lesson_set.filter(type='course')
  45     else:
  46         root = None
  47         siblings = Lesson.objects.filter(type=lesson.type)
  48     return {
  49         "lesson": lesson,
  50         "root": root,
  51         "siblings": siblings,
  52     }
  53
  54 @register.filter
  55 def person_list(persons):
  56     from librarian.dcparser import Person
  57     return u", ".join(Person.from_text(p).readable() for p in persons)
  58
  59
  60 # FIXME: Move to fnpdjango
  61 import feedparser
  62 import datetime
  63 @register.inclusion_tag('catalogue/latest_blog_posts.html')
  64 def latest_blog_posts(feed_url, posts_to_show=5):
  65     try:
  66         feed = feedparser.parse(str(feed_url))
  67         posts = []
  68         for i in range(posts_to_show):
  69             pub_date = feed['entries'][i].updated_parsed
  70             published = datetime.date(pub_date[0], pub_date[1], pub_date[2] )
  71             posts.append({
  72                 'title': feed['entries'][i].title,
  73                 'summary': feed['entries'][i].summary,
  74                 'link': feed['entries'][i].link,
  75                 'date': published,
  76                 })
  77         return {'posts': posts}
  78     except:
  79         return {'posts': []}