Add script to import old card scan counts

apiserver/import_card_scans.py

@@ -0,0 +1,43 @@
+# Expects a scans.csv of the historical scans in format:
+# date,card_number
+
+import django, sys, os
+os.environ['DJANGO_SETTINGS_MODULE'] = 'apiserver.settings'
+django.setup()
+
+import csv
+from datetime import datetime
+from apiserver.api import models
+from django.utils.timezone import now, pytz
+
+days = {}
+
+with open('scans.csv', newline='') as csvfile:
+    reader = csv.DictReader(csvfile)
+    for row in reader:
+        datetime_obj = datetime.strptime(row['date'], "%Y-%m-%d %H:%M:%S")
+        datetime_obj_utc = datetime_obj.replace(tzinfo=pytz.timezone('UTC'))
+        date = datetime_obj_utc.astimezone(pytz.timezone('America/Edmonton'))
+
+        card = row['card_number']
+
+        print('Processing', date, card)
+        day = str(date.date())
+
+        if day not in days:
+            days[day] = set()
+
+        days[day].add(card)
+
+print(days)
+
+for day, cards in days.items():
+    print(day, len(cards))
+
+    models.StatsSpaceActivity.objects.update_or_create(
+        date=day,
+        defaults=dict(card_scans=len(cards)),
+    )
+
+print('Done.')
+