Show Lesson post and comments in discussion forum

 - Use trash icon instead of DELETE button
 - Sidebar to navigate between course forum and lesson forum
 - Course forum displays all the questions (posts) linked with the
 course model, and Lesson forum displays all the questions (posts)
 linked with the Lesson model.

1 files changed, 19 insertions, 0 deletions

diff --git a/yaksh/models.py b/yaksh/models.py
index 67f981e..df70fc1 100644
--- a/yaksh/models.py
+++ b/yaksh/models.py
@@ -1102,6 +1102,25 @@ class Course(models.Model):
             learning_units.extend(module.get_learning_units())
         return learning_units
 
+    def get_lesson_posts(self, user):
+        learning_units = self.get_learning_units()
+        comments = []
+        for unit in learning_units:
+            if unit.lesson is not None:
+                lesson_ct = ContentType.objects.get_for_model(unit.lesson)
+                title = unit.lesson.name
+                try:
+                    post = Post.objects.get(
+                        target_ct=lesson_ct,
+                        target_id=unit.lesson.id,
+                        active=True, title=title, creator=user
+                    )
+                except Post.DoesNotExist:
+                    post = None
+                if post is not None:
+                    comments.append(post)
+        return comments
+
     def remove_trial_modules(self):
         learning_modules = self.learning_module.all()
         for module in learning_modules: