+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(part.slug)
+
+ 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)
+ section = models.ForeignKey(Section, null=True, blank=True)
level = models.ForeignKey(Level)
title = models.CharField(max_length=255)
slug = models.SlugField(unique=True)
- depth = models.IntegerField()
- order = models.IntegerField()
+ 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
- package = models.FileField(upload_to="catalogue/lesson/package",
+ html_file = models.FileField(upload_to="catalogue/lesson/html",
null=True, blank=True)
- student_package = models.FileField(upload_to="catalogue/lesson/student",
+ package = models.FileField(upload_to="catalogue/lesson/pack",
null=True, blank=True)
- html_file = models.FileField(upload_to="catalogue/lesson/html",
+ 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', 'depth', 'order']
+ 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)
+
+ def get_previous(self):
+ if self.section is None: return None
+ try:
+ return self.section.lesson_set.filter(
+ type=self.type, level=self.level,
+ order__lt=self.order).order_by('-order')[0]
+ except IndexError:
+ return None
+
+ def get_next(self):
+ if self.section is None: return None
+ try:
+ return self.section.lesson_set.filter(
+ type=self.type, level=self.level,
+ order__gt=self.order).order_by('order')[0]
+ except IndexError:
+ return None
+
+
+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