def process_event(self, event_edx):
course_id = event_edx['context'].get('course_id', None)
if course_id is None or course_id == '':
try:
# We need to do this because we receive a string instead than a dictionary
event = json.loads(event_edx['event'])
course_id = event['POST'].get('course_id', None)[0]
except:
pass # No event data, just skip
if course_id != '' and course_id in self.course_ids:
try:
# Sometimes we receive time as python datetime, sometimes as string...
timepart = event_edx['time']
timestamp = xutils.make_datetime_for_tincan(timepart)
actor = None
user_id = 0
try:
user_id = event_edx['context'].get('user_id', 0)
except:
user_id = json.loads(event_edx['context']).get('user_id', 0)
try:
actor = self.get_actor(user_id)
except (ValueError, UserSocialAuth.DoesNotExist) as e:
# Only logged ECO user need to be tracked
return
verb, obj = self.to_xapi(event_edx, course_id)
context = self.get_context(course_id, user_id)
d = {"time_with_millis": timepart}
context.extensions = Extensions(d)
# verb = None means to not record the action
if verb:
statement = Statement(
actor=actor,
verb=verb,
object=obj,
context=context,
timestamp=timestamp
)
tldat = TrackingLog(
dtcreated=timestamp,
user_id=user_id,
course_id=course_id,
statement=statement.to_json(),
original_event=json.dumps(event_edx, cls=DateTimeJSONEncoder)
)
# We don't need to add duplication event test, so we save directly
tldat.save()
except Exception as e: # pylint: disable=broad-except
log.exception(e)
else:
if course_id != '':
# print 'Course not activated', course_id # Uncomment for debug
pass
def process_data(x, lines):
i = 0
for row in lines:
event = json.loads(row)
try:
dt = dateutil.parser.parse(event['time'])
except ValueError:
print 'Data error -> ', event['time']
continue
# event['context']['user_id'] = 6 # used only for local test, comment in the real environment
user_id = event['context'].get('user_id')
if user_id == '':
continue
# Search for events of same user in the same date (seconds precision)
tls = TrackingLog.objects.filter(dtcreated=xutils.make_datetime_for_tincan(dt), user_id=user_id)
if tls:
differentMillis = True
for t in tls:
statement = Statement.from_json(t.statement)
try:
t_event = statement.context.extensions['time_with_millis']
if t_event == event['time']:
differentMillis = False
break
except: # pylint: disable=bare-except
pass
if differentMillis:
i = i + 1
x.process_event(event)
else:
# Skip duplicate events
# print "Tracking event already exists for dt: %s and user_id : %s ", event['time'], user_id
# print event
pass
else:
i = i + 1
x.process_event(event)
print "%s events sent to backend", str(i)
