Add related lessons.

[edumed.git] / catalogue / models.py

diff --git a/catalogue/models.py b/catalogue/models.py
index e5ee3a9..ee0222c 100644 (file)
--- a/catalogue/models.py
+++ b/catalogue/models.py
@@ -35,7 +35,7 @@ class Section(models.Model):
             lessons = [Lesson.objects.get(slug=part.slug)
                         for part in wldoc.book_info.parts]
         except Lesson.DoesNotExist, e:
-            raise cls.IncompleteError(e)
+            raise cls.IncompleteError(part.slug)
 
         slug = wldoc.book_info.url.slug
         try:
@@ -56,10 +56,9 @@ class Section(models.Model):
 
         return section
 
-
-    def syntetic_lesson(self):
+    def syntetic_lesson(self, level):
         try:
-            return self.lesson_set.filter(type='synthetic')[0]
+            return self.lesson_set.filter(type='synthetic', level=level)[0]
         except IndexError:
             return None
 
@@ -149,23 +148,31 @@ class Lesson(models.Model):
         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)
-        zipf.write(self.xml_file.path, "pliki-zrodlowe/%s.xml" % self.slug)
-        pdf = self.student_pdf if student else self.pdf
-        if pdf:
-            zipf.write(self.xml_file.path, 
-                "%s%s.pdf" % (self.slug, "_student" if student else ""))
+        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)