Notifies users if a change will take some time

home/processors.py

@@ -1,3 +1,4 @@
+import math
 from django.conf import settings
 from django.urls import reverse
 
@@ -13,3 +14,7 @@ def show_footers(request):
     if start_link:
         show_footers_ = False
     return {'show_footers': show_footers_}
+
+
+def cache_timeout(request):
+    return {'cache_timeout': math.ceil(settings.CACHE_TIMEOUT / 60)}

home/templates/modeladmin/translation_manager/translationentry/index.html

@@ -7,6 +7,9 @@
             <div class="left">
                 <div class="col">
                     {% block h1 %}<h1 {% if view.header_icon %}class="icon icon-{{ view.header_icon }}"{% endif %}>{{ view.get_page_title }}<span></span></h1>{% endblock %}
+                    {% if cache_timeout %}
+                        <h3>Changes may take up to {{ cache_timeout }} minute(s) to reflect on your public IoGT site.</h3>
+                    {% endif %}
                 </div>
                 {% block search %}{% search_form %}{% endblock %}
             </div>

iogt/patch.py

@@ -20,15 +20,17 @@ def _translate_node_render(self, context):
     from django.utils.safestring import SafeData
     from django.utils.safestring import mark_safe
     from django.core.cache import cache
+    from translation_manager.models import TranslationEntry
 
-    lookup = (self.filter_expression.var.literal or 
-                self.filter_expression.var._resolve_lookup(context))
+    lookup = self.filter_expression.var.literal or self.filter_expression.var._resolve_lookup(context)
 
     try:
         translation_entry = cache.get(f'{globals_.locale.language_code}_translation_map')[
             (lookup, globals_.locale.language_code)]
     except (KeyError, TypeError):
-        translation_entry = None
+        translation_entry = TranslationEntry.objects.filter(
+            language=globals_.locale.language_code, original=lookup
+        ).first()
 
     if translation_entry and translation_entry.translation:
         return translation_entry.translation
@@ -58,6 +60,7 @@ def _translate_block_node_render(self, context, nested=False):
     from django.template import TemplateSyntaxError
     from django.template.base import render_value_in_context
     from django.utils import translation
+    from translation_manager.models import TranslationEntry
 
     if self.message_context:
         message_context = self.message_context.resolve(context)
@@ -88,7 +91,9 @@ def _translate_block_node_render(self, context, nested=False):
         translation_entry = cache.get(f'{globals_.locale.language_code}_translation_map')[
             (singular, globals_.locale.language_code)]
     except (KeyError, TypeError):
-        translation_entry = None
+        translation_entry = TranslationEntry.objects.filter(
+            language=globals_.locale.language_code, original=singular
+        ).first()
 
     if translation_entry and translation_entry.translation:
         result = translation_entry.translation

iogt/settings/base.py

@@ -75,7 +75,6 @@
     'translation_manager',
     'health_check',
     'health_check.db',
-    'health_check.cache',
     'health_check.storage',
     'health_check.contrib.migrations',
     'rest_framework_simplejwt',
@@ -93,6 +92,7 @@
     'django.contrib.sites',
 ]
 
+
 MIDDLEWARE = [
     'wagtailcache.cache.UpdateCacheMiddleware',
     'django.middleware.security.SecurityMiddleware',
@@ -139,6 +139,7 @@
                 'home.processors.show_footers',
                 'messaging.processors.add_vapid_public_key',
                 'notifications.processors.push_notification',
+                'home.processors.cache_timeout',
             ],
         },
     },
@@ -485,35 +486,34 @@
 SIMPLE_JWT = {
     'ACCESS_TOKEN_LIFETIME': timedelta(days=365),
 }
-
-CACHE_BACKEND = os.getenv('CACHE_BACKEND')
-if CACHE_BACKEND:
-    DJANGO_REDIS_IGNORE_EXCEPTIONS = True
-    SESSION_ENGINE = 'django.contrib.sessions.backends.cached_db'
-    WAGTAIL_CACHE_BACKEND = 'pagecache'
-    CACHE_LOCATION = os.getenv('CACHE_LOCATION', '')
-    CACHE_TIMEOUT = int(os.getenv('CACHE_TIMEOUT', '0'))
-    CACHES = {
-        'default': {
-            'BACKEND': CACHE_BACKEND,
-            'LOCATION': CACHE_LOCATION,
-            'TIMEOUT': CACHE_TIMEOUT,
-        },
-        'renditions': {
-            'BACKEND': CACHE_BACKEND,
-            'LOCATION': CACHE_LOCATION,
-            'TIMEOUT': CACHE_TIMEOUT,
-        },
-        'pagecache': {
-            'BACKEND': CACHE_BACKEND,
-            'LOCATION': CACHE_LOCATION,
-            'TIMEOUT': CACHE_TIMEOUT,
-            'KEY_PREFIX': 'pagecache',
-        },
-    }
-else:
-    WAGTAIL_CACHE = False
-    SESSION_ENGINE='django.contrib.sessions.backends.db'
+DUMMY_CACHE_BACKEND = 'django.core.cache.backends.dummy.DummyCache'
+CACHE_BACKEND = os.getenv('CACHE_BACKEND', '') or DUMMY_CACHE_BACKEND
+if CACHE_BACKEND != DUMMY_CACHE_BACKEND:
+    INSTALLED_APPS += [
+        'health_check.cache',
+    ]
+DJANGO_REDIS_IGNORE_EXCEPTIONS = True
+SESSION_ENGINE = 'django.contrib.sessions.backends.cached_db'
+CACHE_LOCATION = os.getenv('CACHE_LOCATION', '')
+CACHE_TIMEOUT = int(os.getenv('CACHE_TIMEOUT', '0'))
+CACHES = {
+    'default': {
+        'BACKEND': CACHE_BACKEND,
+        'LOCATION': CACHE_LOCATION,
+        'TIMEOUT': CACHE_TIMEOUT,
+    },
+    'renditions': {
+        'BACKEND': CACHE_BACKEND,
+        'LOCATION': CACHE_LOCATION,
+        'TIMEOUT': CACHE_TIMEOUT,
+    },
+    'pagecache': {
+        'BACKEND': CACHE_BACKEND,
+        'LOCATION': CACHE_LOCATION,
+        'TIMEOUT': CACHE_TIMEOUT,
+        'KEY_PREFIX': 'pagecache',
+    },
+}
 
 SITE_VERSION = os.getenv('SITE_VERSION', 'unknown')