feat: add method to get currently learners (DS-269)

openedx/features/survey_report/application.py

@@ -2,8 +2,9 @@
 Contains the logic to manage survey report model.
 """
 
-from openedx.features.survey_report.queries import get_unique_courses_offered
+from openedx.features.survey_report.queries import get_unique_courses_offered, currently_learners
 
 def generate_report() -> None:
     """ Generate a report with relevant data."""
     courses_offered=get_unique_courses_offered()
+    learners=currently_learners()

openedx/features/survey_report/queries.py

@@ -2,10 +2,10 @@
 Queries to get data from database.
 """
 
-from datetime import datetime
+from datetime import datetime, timedelta
 from openedx.core.djangoapps.content.course_overviews.models import CourseOverview
 from common.djangoapps.student.models import CourseEnrollment
-
+from django.contrib.auth.models import User
 
 from django.db.models import Q, Subquery, OuterRef, Count
 
@@ -25,3 +25,9 @@ def get_unique_courses_offered() -> int:
         .filter(start__lt=datetime.now())\
         .filter(Q(end__isnull=True)|Q(end__gt=datetime.now()))\
         .count()
+
+def currently_learners() -> int:
+    """
+    Get total number of learners with last login in the last 3 weeks.
+    """
+    return User.objects.filter(last_login__gte=datetime.now() - timedelta(weeks=3)).count()