+++ /dev/null
-from django.core.files import File
-from django.core.urlresolvers import reverse
-from django.db import models
-from jsonfield import JSONField
-from curriculum.models import Level
-
-
-class Section(models.Model):
- title = models.CharField(max_length=255, unique=True)
- slug = models.SlugField(unique=True)
- order = models.IntegerField()
- xml_file = models.FileField(upload_to="catalogue/section/xml",
- null=True, blank=True)
-
- class Meta:
- ordering = ['order']
-
- class IncompleteError(BaseException):
- pass
-
- def __unicode__(self):
- return self.title
-
- def get_absolute_url(self):
- return "%s#%s" % (reverse("catalogue_lessons"), self.slug)
-
- @classmethod
- def publish(cls, infile):
- from librarian.parser import WLDocument
- from django.core.files.base import ContentFile
- xml = infile.get_string()
- wldoc = WLDocument.from_string(xml)
-
- try:
- lessons = [Lesson.objects.get(slug=part.slug)
- for part in wldoc.book_info.parts]
- except Lesson.DoesNotExist, e:
- raise cls.IncompleteError(e)
-
- slug = wldoc.book_info.url.slug
- try:
- section = cls.objects.get(slug=slug)
- except cls.DoesNotExist:
- section = cls(slug=slug, order=0)
-
- # Save XML file
- section.xml_file.save('%s.xml' % slug, ContentFile(xml), save=False)
- section.title = wldoc.book_info.title
- section.save()
-
- section.lesson_set.all().update(section=None)
- for i, lesson in enumerate(lessons):
- lesson.section = section
- lesson.order = i
- lesson.save()
-
- return section
-
- def syntetic_lesson(self, level):
- try:
- return self.lesson_set.filter(type='synthetic', level=level)[0]
- except IndexError:
- return None
-
-
-class Lesson(models.Model):
- section = models.ForeignKey(Section, null=True, blank=True)
- level = models.ForeignKey(Level)
- title = models.CharField(max_length=255)
- slug = models.SlugField(unique=True)
- type = models.CharField(max_length=15, db_index=True)
- order = models.IntegerField(db_index=True)
- dc = JSONField(default='{}')
-
- xml_file = models.FileField(upload_to="catalogue/lesson/xml",
- null=True, blank=True) # FIXME: slug in paths
- html_file = models.FileField(upload_to="catalogue/lesson/html",
- null=True, blank=True)
- package = models.FileField(upload_to="catalogue/lesson/pack",
- null=True, blank=True)
- student_package = models.FileField(upload_to="catalogue/lesson/student_pack",
- null=True, blank=True)
- pdf = models.FileField(upload_to="catalogue/lesson/pdf",
- null=True, blank=True)
- student_pdf = models.FileField(upload_to="catalogue/lesson/student_pdf",
- null=True, blank=True)
-
- class Meta:
- ordering = ['section', 'level', 'order']
-
- def __unicode__(self):
- return self.title
-
- @models.permalink
- def get_absolute_url(self):
- return ('catalogue_lesson', [self.slug])
-
- @classmethod
- def publish(cls, infile):
- from librarian.parser import WLDocument
- from django.core.files.base import ContentFile
- xml = infile.get_string()
- wldoc = WLDocument.from_string(xml)
-
- # Check if not section metadata block.
- if wldoc.book_info.parts:
- return Section.publish(infile)
-
- slug = wldoc.book_info.url.slug
- try:
- lesson = cls.objects.get(slug=slug)
- except cls.DoesNotExist:
- lesson = cls(slug=slug)
-
- lesson.attachment_set.all().delete()
- for att_name, att_file in infile.attachments.items():
- try:
- slug, ext = att_name.rsplit('.', 1)
- except ValueError:
- slug, ext = att_name, ''
- attachment = lesson.attachment_set.create(slug=slug, ext=ext)
- attachment.file.save(att_name, ContentFile(att_file.get_string()))
-
- # Save XML file
- lesson.xml_file.save('%s.xml' % slug, ContentFile(xml), save=False)
- lesson.title = wldoc.book_info.title
-
- lesson.level = Level.objects.get(slug=wldoc.book_info.audience)
- lesson.order = 0
- lesson.populate_dc()
- lesson.type = lesson.dc["type"]
- lesson.save()
- lesson.build_html()
- lesson.build_package()
- lesson.build_package(student=True)
- return lesson
-
- def populate_dc(self):
- from librarian.parser import WLDocument
- wldoc = WLDocument.from_file(self.xml_file.path)
- self.dc = wldoc.book_info.to_dict()
- self.save()
-
- def build_html(self):
- from librarian.parser import WLDocument
- wldoc = WLDocument.from_file(self.xml_file.path)
- html = wldoc.as_html()
- self.html_file.save("%s.html" % self.slug,
- File(open(html.get_filename())))
-
- def add_to_zip(self, zipf, student=False, prefix=''):
- zipf.write(self.xml_file.path,
- "%spliki-zrodlowe/%s.xml" % (prefix, self.slug))
- pdf = self.student_pdf if student else self.pdf
- if pdf:
- zipf.write(self.xml_file.path,
- "%s%s%s.pdf" % (prefix, self.slug, "_student" if student else ""))
-
-
- def build_package(self, student=False):
- from StringIO import StringIO
- import zipfile
- from django.core.files.base import ContentFile
- buff = StringIO()
- zipf = zipfile.ZipFile(buff, 'w', zipfile.ZIP_STORED)
- self.add_to_zip(zipf, student)
- zipf.close()
- fieldname = "student_package" if student else "package"
- getattr(self, fieldname).save(
- "%s%s.zip" % (self.slug, "_student" if student else ""),
- ContentFile(buff.getvalue()))
-
- def get_syntetic(self):
- return self.section.syntetic_lesson(self.level)
-
-
-class Attachment(models.Model):
- slug = models.CharField(max_length=255)
- ext = models.CharField(max_length=15)
- lesson = models.ForeignKey(Lesson)
- file = models.FileField(upload_to="catalogue/attachment")
-
- class Meta:
- ordering = ['slug', 'ext']
- unique_together = ['lesson', 'slug', 'ext']
-
- def __unicode__(self):
- return "%s.%s" % (self.slug, self.ext)
-
-
-class Part(models.Model):
- lesson = models.ForeignKey(Lesson)
- pdf = models.FileField(upload_to="catalogue/part/pdf",
- null=True, blank=True)
- student_pdf = models.FileField(upload_to="catalogue/part/student_pdf",
- null=True, blank=True)
fnp / edumed.git / blobdiff