add update forms
[edumed.git] / catalogue / models.py
index 85f0af0..c73c762 100644 (file)
@@ -1,9 +1,11 @@
 # -*- coding: utf-8
+from django.conf import settings
 from django.core.files import File
 from django.core.urlresolvers import reverse
 from django.db import models
 from jsonfield import JSONField
 from fnpdjango.storage import BofhFileSystemStorage
+
 from curriculum.models import Level, Curriculum, CurriculumCourse
 import logging
 
@@ -14,11 +16,11 @@ class Section(models.Model):
     title = models.CharField(max_length=255, unique=True)
     slug = models.SlugField(max_length=255, unique=True)
     order = models.IntegerField()
-    xml_file = models.FileField(upload_to="catalogue/section/xml",
+    xml_file = models.FileField(
+        upload_to="catalogue/section/xml",
         null=True, blank=True, max_length=255,
         storage=bofh_storage)
-    image = models.ImageField(upload_to="catalogue/section/image",
-        null=True, blank=True)
+    image = models.ImageField(upload_to="catalogue/section/image", null=True, blank=True)
 
     pic = models.ImageField(upload_to="catalogue/section/pic", null=True, blank=True)
     pic_attribution = models.CharField(max_length=255, null=True, blank=True)
@@ -90,17 +92,26 @@ class Lesson(models.Model):
     curriculum_courses = models.ManyToManyField(CurriculumCourse, blank=True)
     description = models.TextField(null=True, blank=True)
 
-    xml_file = models.FileField(upload_to="catalogue/lesson/xml",
+    xml_file = models.FileField(
+        upload_to="catalogue/lesson/xml",
+        null=True, blank=True, max_length=255, storage=bofh_storage)
+    html_file = models.FileField(
+        upload_to="catalogue/lesson/html",
         null=True, blank=True, max_length=255, storage=bofh_storage)
-    html_file = models.FileField(upload_to="catalogue/lesson/html",
+    package = models.FileField(
+        upload_to="catalogue/lesson/pack",
         null=True, blank=True, max_length=255, storage=bofh_storage)
-    package = models.FileField(upload_to="catalogue/lesson/pack",
+    student_package = models.FileField(
+        upload_to="catalogue/lesson/student_pack",
         null=True, blank=True, max_length=255, storage=bofh_storage)
-    student_package = models.FileField(upload_to="catalogue/lesson/student_pack",
+    pdf = models.FileField(
+        upload_to="catalogue/lesson/pdf",
         null=True, blank=True, max_length=255, storage=bofh_storage)
-    pdf = models.FileField(upload_to="catalogue/lesson/pdf",
+    student_pdf = models.FileField(
+        upload_to="catalogue/lesson/student_pdf",
         null=True, blank=True, max_length=255, storage=bofh_storage)
-    student_pdf = models.FileField(upload_to="catalogue/lesson/student_pdf",
+    weasy_pdf = models.FileField(
+        upload_to="catalogue/lesson/weasy",
         null=True, blank=True, max_length=255, storage=bofh_storage)
 
     class Meta:
@@ -111,14 +122,13 @@ class Lesson(models.Model):
 
     @models.permalink
     def get_absolute_url(self):
-        return ('catalogue_lesson', [self.slug])
+        return 'catalogue_lesson', [self.slug]
 
     @classmethod
-    def publish(cls, infile, ignore_incomplete=False):
+    def publish(cls, infile, ignore_incomplete=False, repackage_level=False):
         from librarian.parser import WLDocument
         from django.core.files.base import ContentFile
-        xml = infile.get_string()
-        wldoc = WLDocument.from_string(xml)
+        wldoc = WLDocument(infile)
 
         # Check if not section metadata block.
         if wldoc.book_info.parts:
@@ -132,7 +142,7 @@ class Lesson(models.Model):
             lesson = cls(slug=slug, order=0)
 
         # Save XML file
-        lesson.xml_file.save('%s.xml' % slug, ContentFile(xml), save=False)
+        lesson.xml_file.save('%s.xml' % slug, ContentFile(infile.get_string()), save=False)
         lesson.title = wldoc.book_info.title
 
         lesson.level = Level.objects.get(meta_name=wldoc.book_info.audience)
@@ -144,8 +154,23 @@ class Lesson(models.Model):
         if lesson.type != 'project':
             lesson.build_pdf(student=True)
             lesson.build_package(student=True)
+        if repackage_level:
+            lesson.level.build_packages()
         return lesson
 
+    def republish(self, repackage_level=True, attachments=None):
+        from librarian import IOFile
+        import os.path
+        from django.conf import settings
+        if attachments is None:
+            attachments = {}
+            for attachment in self.attachment_set.all():
+                full_name = os.path.join(settings.MEDIA_ROOT, attachment.file.name)
+                f = IOFile.from_filename(full_name)
+                attachments['%s.%s' % (attachment.slug, attachment.ext)] = f
+        infile = IOFile.from_filename(self.xml_file.path, attachments=attachments)
+        Lesson.publish(infile, repackage_level=repackage_level)
+
     def populate_dc(self):
         from librarian.parser import WLDocument
         wldoc = WLDocument.from_file(self.xml_file.path)
@@ -158,7 +183,8 @@ class Lesson(models.Model):
         courses = set()
         for identifier in wldoc.book_info.curriculum:
             identifier = (identifier or "").replace(' ', '')
-            if not identifier: continue
+            if not identifier:
+                continue
             try:
                 curr = Curriculum.objects.get(identifier__iexact=identifier)
             except Curriculum.DoesNotExist:
@@ -178,8 +204,8 @@ class Lesson(models.Model):
         for header in wldoc.edoc.findall('.//naglowek_rozdzial'):
             if (header.text or '').strip() == lookup:
                 from lxml import etree
-                self.description = etree.tostring(header.getnext(),
-                        method='text', encoding='unicode').strip()
+                self.description = etree.tostring(
+                    header.getnext(), method='text', encoding='unicode').strip()
                 self.save()
                 return
 
@@ -199,8 +225,7 @@ class Lesson(models.Model):
         from .publish import HtmlFormat
         wldoc = self.wldocument(infile)
         html = HtmlFormat(wldoc).build()
-        self.html_file.save("%s.html" % self.slug,
-            File(open(html.get_filename())))
+        self.html_file.save("%s.html" % self.slug, File(open(html.get_filename())))
 
     def build_pdf(self, student=False):
         from .publish import PdfFormat
@@ -209,23 +234,27 @@ class Lesson(models.Model):
         wldoc = self.wldocument()
         if student:
             pdf = PdfFormat(wldoc).build()
-            self.student_pdf.save("%s.pdf" % self.slug,
-                File(open(pdf.get_filename())))
+            self.student_pdf.save("%s.pdf" % self.slug, File(open(pdf.get_filename())))
         else:
             pdf = PdfFormat(wldoc, teacher=True).build()
-            self.pdf.save("%s.pdf" % self.slug,
-                File(open(pdf.get_filename())))
+            self.pdf.save("%s.pdf" % self.slug, File(open(pdf.get_filename())))
+
+    def build_pdf_from_html(self, **kwargs):
+        from .publish import PdfFromHtmlFormat
+        wldoc = self.wldocument()
+        pdf = PdfFromHtmlFormat(
+            wldoc, media_root=settings.MEDIA_ROOT,
+            html_to_pdf_command=settings.HTML_TO_PDF_COMMAND,
+            **kwargs).build()
+        self.weasy_pdf.save("%s.pdf" % self.slug, File(open(pdf.get_filename())))
 
     def add_to_zip(self, zipf, student=False, prefix=''):
         pdf = self.student_pdf if student else self.pdf
         if pdf:
-            zipf.write(pdf.path, 
-                "%s%s%s.pdf" % (prefix, self.slug, "_student" if student else ""))
+            zipf.write(pdf.path, "%s%s%s.pdf" % (prefix, self.slug, "_student" if student else ""))
             for attachment in self.attachment_set.all():
-                zipf.write(attachment.file.path,
-                    u"%smaterialy/%s.%s" % (prefix, attachment.slug, attachment.ext))
-            zipf.write(self.xml_file.path,
-                "%spliki-zrodlowe/%s.xml" % (prefix, self.slug))
+                zipf.write(attachment.file.path, u"%smaterialy/%s.%s" % (prefix, attachment.slug, attachment.ext))
+            zipf.write(self.xml_file.path, "%spliki-zrodlowe/%s.xml" % (prefix, self.slug))
 
     def build_package(self, student=False):
         from StringIO import StringIO
@@ -241,17 +270,20 @@ class Lesson(models.Model):
             ContentFile(buff.getvalue()))
 
     def get_syntetic(self):
-        if self.section is None: return None
+        if self.section is None:
+            return None
         return self.section.syntetic_lesson(self.level)
 
     def get_other_level(self):
-        if self.section is None: return None
+        if self.section is None:
+            return None
         other_levels = self.section.lesson_set.exclude(level=self.level)
         if other_levels.exists():
             return other_levels[0].level
 
     def get_previous(self):
-        if self.section is None: return None
+        if self.section is None:
+            return None
         try:
             return self.section.lesson_set.filter(
                 type=self.type, level=self.level,
@@ -260,7 +292,8 @@ class Lesson(models.Model):
             return None
 
     def get_next(self):
-        if self.section is None: return None
+        if self.section is None:
+            return None
         try:
             return self.section.lesson_set.filter(
                 type=self.type, level=self.level,
@@ -269,14 +302,18 @@ class Lesson(models.Model):
             return None
 
     def requires_internet(self):
-        return 'internet' in self.dc.get('requires', [])
+        return any(requirement in self.dc.get('requires', []) for requirement in ('internet', 'Internet'))
+
+
+def attachment_path(instance, filename):
+    return 'catalogue/attachment/%s/%s' % (instance.lesson.slug, filename)
 
 
 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", storage=bofh_storage)
+    file = models.FileField(upload_to=attachment_path, storage=bofh_storage, max_length=255)
 
     class Meta:
         ordering = ['slug', 'ext']
@@ -288,10 +325,8 @@ class Attachment(models.Model):
 
 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)
+    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)
 
 
 class LessonStub(models.Model):