Merge branch 'infographics'
[edumed.git] / catalogue / models.py
index e20d58c..ae87ca8 100644 (file)
@@ -11,6 +11,8 @@ class Section(models.Model):
     order = models.IntegerField()
     xml_file = models.FileField(upload_to="catalogue/section/xml",
         null=True, blank=True, max_length=255)
+    image = models.ImageField(upload_to="catalogue/section/image",
+        null=True, blank=True)
 
     class Meta:
         ordering = ['order']
@@ -71,7 +73,7 @@ class Lesson(models.Model):
     type = models.CharField(max_length=15, db_index=True)
     order = models.IntegerField(db_index=True)
     dc = JSONField(default='{}')
-    curriculum_courses = models.ManyToManyField(CurriculumCourse)
+    curriculum_courses = models.ManyToManyField(CurriculumCourse, blank=True)
 
     xml_file = models.FileField(upload_to="catalogue/lesson/xml",
         null=True, blank=True, max_length=255)
@@ -202,8 +204,15 @@ class Lesson(models.Model):
             ContentFile(buff.getvalue()))
 
     def get_syntetic(self):
+        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
+        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
         try:
@@ -243,3 +252,17 @@ class Part(models.Model):
         null=True, blank=True)
     student_pdf = models.FileField(upload_to="catalogue/part/student_pdf",
         null=True, blank=True)
+
+
+class LessonStub(models.Model):
+    section = models.ForeignKey(Section, null=True, blank=True)
+    level = models.ForeignKey(Level)
+    title = models.CharField(max_length=255)
+    type = models.CharField(max_length=15, db_index=True)
+    order = models.IntegerField(db_index=True)
+
+    class Meta:
+        ordering = ['section', 'level', 'order']
+
+    def __unicode__(self):
+        return self.title