1 from collections import defaultdict
2 from django import template
3 from django.utils.datastructures import SortedDict
4 from ..models import Lesson, Section
5 from curriculum.models import Level, CurriculumCourse
6 from librarian.dcparser import WLURI, Person
8 register = template.Library()
11 @register.inclusion_tag("catalogue/snippets/carousel.html")
12 def catalogue_carousel():
14 "object_list": Section.objects.all()
17 @register.inclusion_tag("catalogue/snippets/levels_main.html")
18 def catalogue_levels_main():
19 object_list = Level.objects.exclude(lesson=None)
20 c = object_list.count()
22 'object_list': object_list,
23 'section_width': (700 - 20 * (c - 1)) / c,
27 @register.inclusion_tag("catalogue/snippets/level_box.html")
31 course = SortedDict(),
34 by_course = defaultdict(lambda: defaultdict(list))
36 lesson_lists = [alist for alist in [
37 list(level.lesson_set.exclude(type='appendix').order_by('section__order', 'order')),
38 list(level.lessonstub_set.all())
42 min_index, min_list = min(enumerate(lesson_lists), key=lambda x: x[1][0].order)
43 lesson = min_list.pop(0)
45 lesson_lists.pop(min_index)
47 if lesson.type == 'course':
48 if lesson.section not in lessons['course']:
49 lessons['course'][lesson.section] = []
50 lessons['course'][lesson.section].append(lesson)
52 lessons[lesson.type].append(lesson)
54 if hasattr(lesson, 'curriculum_courses'):
55 for course in lesson.curriculum_courses.all():
56 by_course[course][lesson.type].append(lesson)
58 courses = [(course, by_course[course]) for course in
59 CurriculumCourse.objects.filter(lesson__level=level).distinct()]
67 @register.inclusion_tag("catalogue/snippets/lesson_nav.html")
68 def lesson_nav(lesson):
69 if lesson.type == 'course':
71 siblings = Lesson.objects.filter(type='course', level=lesson.level, section=root)
72 elif lesson.type == 'appendix':
74 siblings = Lesson.objects.filter(type=lesson.type)
77 siblings = Lesson.objects.filter(type=lesson.type, level=lesson.level)
84 @register.inclusion_tag("catalogue/snippets/lesson_link.html")
87 return {'lesson': Lesson.objects.get(slug=WLURI(uri).slug)}
88 except Lesson.DoesNotExist:
92 def person_list(persons):
93 return u", ".join(Person.from_text(p).readable() for p in persons)
96 # FIXME: Move to fnpdjango
99 @register.inclusion_tag('catalogue/latest_blog_posts.html')
100 def latest_blog_posts(feed_url, posts_to_show=5):
102 feed = feedparser.parse(str(feed_url))
104 for i in range(posts_to_show):
105 pub_date = feed['entries'][i].updated_parsed
106 published = datetime.date(pub_date[0], pub_date[1], pub_date[2] )
108 'title': feed['entries'][i].title,
109 'summary': feed['entries'][i].summary,
110 'link': feed['entries'][i].link,
113 return {'posts': posts}