fix progress methods

courses/models.py

@@ -341,7 +341,11 @@ class CourseStudent(models.Model):
         return StudentProgress.objects.exclude(complete=None) \
             .filter(user=self.user, unit__lesson__course=self.course)
 
-    def _plpc_course_finished(self):
+    def _activities_and_course_finished(self):
+        """
+        This method verifies if the user made all discussion activities 
+        AND has the perent progress
+        """
         from courses_learning_objects.models import LearningObject, Answer
         activities = LearningObject.objects\
             .filter(unit__lesson__in=self.course.lessons
@@ -350,7 +354,7 @@ class CourseStudent(models.Model):
         answers = Answer.objects\
             .filter(activity__in=activities, user=self.user)
 
-        return self.percent_progress() > self.min_percent_to_complete() and \
+        return self.percent_progress() >= self.min_percent_to_complete() and \
                activities.count() == answers.count()
 
     def _course_finished(self):
@@ -359,7 +363,7 @@ class CourseStudent(models.Model):
 
     @property
     def course_finished(self):
-        return self._plpc_course_finished()
+        return self._course_finished()
 
     def can_emmit_receipt(self):
         if not self.get_current_class().user_can_certificate and not self.course_finished: