def test_general_range(self):
start_date = datetime.datetime(2016, 1, 1)
end_date = datetime.datetime(2016, 1, 5)
self.assertEqual(list(date_range(start_date, end_date)), [
datetime.datetime(2016, 1, 1),
datetime.datetime(2016, 1, 2),
datetime.datetime(2016, 1, 3),
datetime.datetime(2016, 1, 4),
])
def test_general_range(self):
start_date = datetime.datetime(2016, 1, 1)
end_date = datetime.datetime(2016, 1, 5)
self.assertEqual([date for date in date_range(start_date, end_date)], [
datetime.datetime(2016, 1, 1),
datetime.datetime(2016, 1, 2),
datetime.datetime(2016, 1, 3),
datetime.datetime(2016, 1, 4),
])
def get_timeline(self, course_id, username):
queryset = ModuleEngagement.objects.all().filter(course_id=course_id, username=username) \
.values('date', 'entity_type', 'event') \
.annotate(total_count=Sum('count')) \
.annotate(distinct_entity_count=Count('entity_id', distinct=True)) \
.order_by('date')
timelines = []
for date, engagements in groupby(queryset, lambda x: (x['date'])):
# Iterate over engagements for this day and create a single day with
# engagement data.
day = {
u'date': date,
}
for engagement in engagements:
engagement_type = EngagementType(engagement['entity_type'],
engagement['event'])
if engagement_type.is_counted_by_entity:
count_delta = engagement['distinct_entity_count']
else:
count_delta = engagement['total_count']
day[engagement_type.name] = day.get(engagement_type.name,
0) + count_delta
timelines.append(day)
# Fill in dates that may be missing, since the result store doesn't
# store empty engagement entries.
full_timeline = []
default_timeline_entry = {
engagement_type: 0
for engagement_type in EngagementType.ALL_TYPES
}
for index, current_date in enumerate(timelines):
full_timeline.append(current_date)
try:
next_date = timelines[index + 1]
except IndexError:
continue
one_day = datetime.timedelta(days=1)
if next_date['date'] > current_date['date'] + one_day:
full_timeline += [
dict(date=date, **default_timeline_entry)
for date in date_range(current_date['date'] +
one_day, next_date['date'])
]
return full_timeline
def get_timeline(self, course_id, username):
queryset = ModuleEngagement.objects.all().filter(course_id=course_id, username=username) \
.values('date', 'entity_type', 'event') \
.annotate(total_count=Sum('count')) \
.annotate(distinct_entity_count=Count('entity_id', distinct=True)) \
.order_by('date')
timelines = []
for date, engagements in groupby(queryset, lambda x: (x['date'])):
# Iterate over engagements for this day and create a single day with
# engagement data.
day = {
u'date': date,
}
for engagement in engagements:
engagement_type = EngagementType(engagement['entity_type'], engagement['event'])
if engagement_type.is_counted_by_entity:
count_delta = engagement['distinct_entity_count']
else:
count_delta = engagement['total_count']
day[engagement_type.name] = day.get(engagement_type.name, 0) + count_delta
timelines.append(day)
# Fill in dates that may be missing, since the result store doesn't
# store empty engagement entries.
full_timeline = []
default_timeline_entry = {engagement_type: 0 for engagement_type in EngagementType.ALL_TYPES}
for index, current_date in enumerate(timelines):
full_timeline.append(current_date)
try:
next_date = timelines[index + 1]
except IndexError:
continue
one_day = datetime.timedelta(days=1)
if next_date['date'] > current_date['date'] + one_day:
full_timeline += [
dict(date=date, **default_timeline_entry)
for date in date_range(current_date['date'] + one_day, next_date['date'])
]
return full_timeline
def test_empty_range(self):
same_date = datetime.datetime(2016, 1, 1)
self.assertEqual(list(date_range(same_date, same_date)), [])
def test_delta_goes_past_end_date(self):
start_date = datetime.datetime(2016, 1, 1)
end_date = datetime.datetime(2016, 1, 3)
time_delta = datetime.timedelta(days=5)
self.assertEqual(list(date_range(start_date, end_date, time_delta)),
[start_date])
def test_range_exclusive(self):
start_date = datetime.datetime(2016, 1, 1)
end_date = datetime.datetime(2016, 1, 2)
self.assertEqual(list(date_range(start_date, end_date)), [start_date])
def test_empty_range(self):
date = datetime.datetime(2016, 1, 1)
self.assertEqual([date for date in date_range(date, date)], [])
def test_delta_goes_past_end_date(self):
start_date = datetime.datetime(2016, 1, 1)
end_date = datetime.datetime(2016, 1, 3)
time_delta = datetime.timedelta(days=5)
self.assertEqual([date for date in date_range(start_date, end_date, time_delta)], [start_date])
def test_range_exclusive(self):
start_date = datetime.datetime(2016, 1, 1)
end_date = datetime.datetime(2016, 1, 2)
self.assertEqual([date for date in date_range(start_date, end_date)], [start_date])
