added instrumentation to count: user logins, registrations, correct answers, wrong answers, enrollment

common/djangoapps/student/views.py

@@ -39,6 +39,8 @@ from collections import namedtuple
 from courseware.courses import get_courses_by_university
 from courseware.access import has_access
 
+from statsd import statsd
+
 log = logging.getLogger("mitx.student")
 Article = namedtuple('Article', 'title url author image deck publication publish_date')
 
@@ -204,7 +206,7 @@ def change_enrollment(request):
             return {'success': False,
                     'error': 'enrollment in {} not allowed at this time'
                     .format(course.display_name)}
-
+        statsd.increment("user.enrollment_in_" + str(course_id))
         enrollment, created = CourseEnrollment.objects.get_or_create(user=user, course_id=course.id)
         return {'success': True}
 
@@ -212,6 +214,7 @@ def change_enrollment(request):
         try:
             enrollment = CourseEnrollment.objects.get(user=user, course_id=course_id)
             enrollment.delete()
+            statsd.increment("user.unenrollment_in_" + str(course_id))
             return {'success': True}
         except CourseEnrollment.DoesNotExist:
             return {'success': False, 'error': 'You are not enrolled for this course.'}
@@ -260,7 +263,7 @@ def login_user(request, error=""):
         log.info("Login success - {0} ({1})".format(username, email))
 
         try_change_enrollment(request)
-
+        statsd.increment("user.successful_login")
         return HttpResponse(json.dumps({'success': True}))
     
     log.warning("Login failed - Account not active for user {0}, resending activation".format(username))
@@ -466,7 +469,7 @@ def create_account(request, post_override=None):
             log.debug('bypassing activation email')
             login_user.is_active = True
             login_user.save()
-
+    statsd.increment("user.account_created")
     js = {'success': True}
     return HttpResponse(json.dumps(js), mimetype="application/json")
 

common/lib/capa/capa/correctmap.py

@@ -2,7 +2,7 @@
 # class used to store graded responses to CAPA questions
 #
 # Used by responsetypes and capa_problem
-
+from statsd import statsd
 
 class CorrectMap(object):
     """
@@ -53,6 +53,11 @@ class CorrectMap(object):
                                     'hintmode': hintmode,
                                     'queuestate': queuestate,
                                     }
+                                    
+        if correctness=="correct":
+            statsd.increment("user.correct_answer")
+        else:
+            statsd.increment("user.incorrect_answer)
 
     def __repr__(self):
         return repr(self.cmap)