From 8c849a10778ccb13e80a6436b7c9e79be1558b1d Mon Sep 17 00:00:00 2001
From: vabene1111 <vabene1234@googlemail.com>
Date: Fri, 11 Jul 2025 21:51:54 +0200
Subject: [PATCH] added redis as cache backend

---
 cookbook/templates/system.html | 10 +++++++++-
 cookbook/views/views.py        |  6 ++++++
 recipes/settings.py            |  6 ++++++
 requirements.txt               |  1 +
 4 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/cookbook/templates/system.html b/cookbook/templates/system.html
index 6fd5dfb5c..7647bfeee 100644
--- a/cookbook/templates/system.html
+++ b/cookbook/templates/system.html
@@ -20,7 +20,7 @@
 <div class="container">
 
 
-    <h1 >{% trans 'System' %}</h1>
+    <h1>{% trans 'System' %}</h1>
     {% blocktrans %}
         Tandoor Recipes is an open source free software application. It can be found on
         <a href="https://github.com/TandoorRecipes/recipes">GitHub</a>.
@@ -213,6 +213,14 @@
             {% endfor %}
         </table>
     {% endif %}
+    <h4 class="mt-3">Cache Test</h4>
+    On first load this should be None, on second load it should be the time of the first load. Expiration is set to 10 seconds after that it should be None again. <br/>
+    {% if cache_response %}
+
+        <span class="badge text-bg-success">Cache entry from {{ cache_response|date:" d m Y H:i:s" }}</span>
+    {% else %}
+        <span class="badge text-bg-info">No cache entry before load</span>
+    {% endif %}
     <h4 class="mt-3">Debug</h4>
     <textarea class="form-control" rows="20">
 Gunicorn Media: {{ gunicorn_media }}
diff --git a/cookbook/views/views.py b/cookbook/views/views.py
index 611c7be45..47e0f419c 100644
--- a/cookbook/views/views.py
+++ b/cookbook/views/views.py
@@ -12,6 +12,7 @@ from django.contrib import messages
 from django.contrib.auth.decorators import login_required
 from django.contrib.auth.models import Group
 from django.contrib.auth.password_validation import validate_password
+from django.core.cache import caches
 from django.core.exceptions import ValidationError
 from django.core.management import call_command
 from django.db import models
@@ -242,6 +243,10 @@ def system(request):
                 space_stats.append(r.zscore(f'api:space-request-count:{d}', s))
             api_space_stats.append(space_stats)
 
+    cache_response = caches['default'].get(f'system_view_test_cache_entry', None)
+    if not cache_response:
+        caches['default'].set(f'system_view_test_cache_entry', datetime.now(), 10)
+
     return render(
         request, 'system.html', {
             'gunicorn_media': settings.GUNICORN_MEDIA,
@@ -256,6 +261,7 @@ def system(request):
             'orphans': orphans,
             'migration_info': migration_info,
             'missing_migration': missing_migration,
+            'cache_response': cache_response,
         })
 
 
diff --git a/recipes/settings.py b/recipes/settings.py
index 439c15b59..9abeaec4f 100644
--- a/recipes/settings.py
+++ b/recipes/settings.py
@@ -521,6 +521,12 @@ CACHES = {
     }
 }
 
+if REDIS_HOST:
+    CACHES['default'] = {
+        'BACKEND': 'django.core.cache.backends.redis.RedisCache',
+        'LOCATION': f'redis://{REDIS_USERNAME}:{REDIS_PASSWORD}@{REDIS_HOST}:{REDIS_PORT}',
+    }
+
 # Vue webpack settings
 VUE_DIR = os.path.join(BASE_DIR, 'vue')
 
diff --git a/requirements.txt b/requirements.txt
index 91a7c2ae5..fad6af44f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -44,6 +44,7 @@ pytubefix==9.2.2
 aiohttp==3.10.11
 inflection==0.5.1
 redis==5.2.1
+hiredis==3.2.1
 requests-oauthlib==2.0.0
 pyjwt==2.10.1
 python3-openid==3.2.0