Add stats for number of members older than six months

apiserver/apiserver/api/management/commands/run_hourly.py

@@ -9,13 +9,17 @@ class Command(BaseCommand):
 
     def generate_stats(self):
         utils_stats.calc_next_events()
-        member_count, green_count = utils_stats.calc_member_counts()
+        member_count, green_count, six_month_plus_count = utils_stats.calc_member_counts()
         signup_count = utils_stats.calc_signup_counts()
 
         # do this hourly in case an admin causes a change
         models.StatsMemberCount.objects.update_or_create(
             date=utils.today_alberta_tz(),
-            defaults=dict(member_count=member_count, green_count=green_count),
+            defaults=dict(
+                member_count=member_count,
+                green_count=green_count,
+                six_month_plus_count=six_month_plus_count,
+            ),
         )
 
         models.StatsSignupCount.objects.update_or_create(

apiserver/apiserver/api/models.py

@@ -142,6 +142,7 @@ class StatsMemberCount(models.Model):
     date = models.DateField(default=today_alberta_tz)
     member_count = models.IntegerField()
     green_count = models.IntegerField()
+    six_month_plus_count = models.IntegerField()
 
 class StatsSignupCount(models.Model):
     month = models.DateField()

apiserver/apiserver/api/utils_stats.py

@@ -2,7 +2,7 @@ import logging
 logger = logging.getLogger(__name__)
 
 import time
-from datetime import date, datetime
+from datetime import date, datetime, timedelta
 import requests
 from django.core.cache import cache
 from django.utils.timezone import now, pytz
@@ -64,11 +64,14 @@ def calc_member_counts():
     paused_count = members.count() - member_count
     green_count = num_current + num_prepaid
 
+    six_months_ago = today_alberta_tz() - timedelta(days=183)
+    six_month_plus_count = not_paused.filter(application_date__lte=six_months_ago).count()
+
     cache.set('member_count', member_count)
     cache.set('paused_count', paused_count)
     cache.set('green_count', green_count)
 
-    return member_count, green_count
+    return member_count, green_count, six_month_plus_count
 
 def calc_signup_counts():
     month_beginning = today_alberta_tz().replace(day=1)