Use Django cache

For caching employees

tutorial01/onshift/views.py

@@ -5,6 +5,7 @@ from django.utils.dateparse import parse_datetime
 from django.utils import timezone
 from django.urls import reverse
 from django.conf import settings
+from django.core.cache import cache
 
 import pytz
 import datetime
@@ -17,19 +18,19 @@ local_timezone = pytz.timezone('Europe/Copenhagen')
 planday = Planday(settings.PLANDAY_APPID, settings.PLANDAY_REFRESH_TOKEN)
 planday.refresh_access_token()
 
-employee_cache = {}
-
 def today():
     return datetime.date.today().isoformat()
 
 def get_employee(employee_id):
     # FIXME: Error handling
-    if employee_id in employee_cache:
-        return employee_cache[employee_id]
+    # FIXME: Use an employee cache, not the default cache
+    employee = cache.get(employee_id)
+    if employee:
+        return employee
     employee = planday.get_employee(employee_id)
     if employee == None:
         return
-    employee_cache[employee_id] = employee
+    cache.set(employee_id, employee, timeout=60*60)
     return employee
 
 def index(request):