flush cache properly

packages/fkweb/fk/models.py

@@ -4,15 +4,19 @@
 import os
 import uuid
 
+import logging
+logger = logging.getLogger(__name__)
+
 import pytz
 from django.conf import settings
 from django.contrib.auth.models import AbstractBaseUser, BaseUserManager
 from django.contrib.auth import get_user_model
 from django.core.cache import caches
 from django.core.exceptions import ObjectDoesNotExist
+from django.dispatch import receiver
 from django.urls import reverse
 from django.db import models
-from django.db.models.signals import post_save
+from django.db.models.signals import post_save, post_delete
 from django.utils import timezone
 from django.utils.timezone import utc
 from django.utils.translation import ugettext as _
@@ -461,12 +465,12 @@ class Meta:
         verbose_name_plural = 'TX schedule entries'
         ordering = ('-id',)
 
-    def _clear_cache(self):
+    @staticmethod
+    @receiver([post_save, post_delete])
+    def _clear_cache(**kwargs):
+        logger.warning('[Scheduleitem] cache flush')
         caches['schedule'].clear()
 
-    post_save = _clear_cache
-    post_delete = _clear_cache
-
     def __str__(self):
         t = self.starttime
         s = t.strftime("%Y-%m-%d %H:%M:%S")

packages/fkweb/fkws/views.py

@@ -214,7 +214,7 @@ def dispatch(self, request, *args, **kwargs):
         cache = caches['schedule']
         cache_key = 'schedule-%s-%s' % (date.strftime('%Y%m%d'), days)
 
-        if request.headers.get('Accept', '') != '*/*': cacheable: False
+        if request.headers.get('Accept', '') != '*/*': cacheable = False
         if params.get('surrounding') != None: cacheable = False
         if params.get('ordering') != None: cacheable = False
         if params.get('page_size') != None: cacheable = False