catalogue/templatetags/catalogue_tags.py

   1 from django import template
   2 from django.utils.datastructures import SortedDict
   3 from ..models import Lesson, Section
   4 from librarian.dcparser import WLURI, Person
   5
   6 register = template.Library()
   7
   8
   9 @register.inclusion_tag("catalogue/snippets/carousel.html")
  10 def catalogue_carousel():
  11     lessons_count = Lesson.objects.filter(type__in=('course', 'synthetic')).count()
  12     if 1 < lessons_count % 10 < 5 and lessons_count / 10 % 10 != 1:
  13         lessons_desc = u'kompletne lekcje'
  14     else:
  15         lessons_desc = u'kompletnych lekcji'
  16     return locals()
  17
  18 @register.inclusion_tag("catalogue/snippets/section_buttons.html")
  19 def catalogue_section_buttons():
  20     return {
  21         "object_list": Section.objects.all()
  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         "section": section,
  38         "lessons": lessons,
  39     }
  40
  41 @register.inclusion_tag("catalogue/snippets/lesson_nav.html")
  42 def lesson_nav(lesson):
  43     if lesson.type == 'course':
  44         root = lesson.section
  45         siblings = Lesson.objects.filter(type='course', level=lesson.level, section=root)
  46         mark_level = False
  47     else:
  48         root = None
  49         siblings = Lesson.objects.filter(type=lesson.type)
  50         mark_level = True
  51     return {
  52         "lesson": lesson,
  53         "root": root,
  54         "siblings": siblings,
  55         "mark_level": mark_level
  56     }
  57
  58 @register.inclusion_tag("catalogue/snippets/lesson_link.html")
  59 def lesson_link(uri):
  60     try:
  61         return {'lesson': Lesson.objects.get(slug=WLURI(uri).slug)}
  62     except Lesson.DoesNotExist:
  63         return {}
  64
  65 @register.filter
  66 def person_list(persons):
  67     return u", ".join(Person.from_text(p).readable() for p in persons)
  68
  69
  70 # FIXME: Move to fnpdjango
  71 import feedparser
  72 import datetime
  73 @register.inclusion_tag('catalogue/latest_blog_posts.html')
  74 def latest_blog_posts(feed_url, posts_to_show=5):
  75     try:
  76         feed = feedparser.parse(str(feed_url))
  77         posts = []
  78         for i in range(posts_to_show):
  79             pub_date = feed['entries'][i].updated_parsed
  80             published = datetime.date(pub_date[0], pub_date[1], pub_date[2] )
  81             posts.append({
  82                 'title': feed['entries'][i].title,
  83                 'summary': feed['entries'][i].summary,
  84                 'link': feed['entries'][i].link,
  85                 'date': published,
  86                 })
  87         return {'posts': posts}
  88     except:
  89         return {'posts': []}