From 65031511d0110b58a09d5ab2c5fbad94ce835e17 Mon Sep 17 00:00:00 2001
From: Gabriel Augendre <gabriel@augendre.info>
Date: Sat, 16 Jun 2018 00:12:33 +0200
Subject: [PATCH] Use cache to improve ISBN api response time.

---
 bash/run-prod.sh               | 1 +
 manuels/views.py               | 2 ++
 manuels_collection/settings.py | 8 ++++++++
 3 files changed, 11 insertions(+)

diff --git a/bash/run-prod.sh b/bash/run-prod.sh
index 7d02d9c..3cf9cab 100644
--- a/bash/run-prod.sh
+++ b/bash/run-prod.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
 yes yes | pipenv run python manage.py migrate && \
+yes yes | pipenv run python manage.py createcachetable && \
 pipenv run python manage.py collectstatic --noinput && \
 pipenv run gunicorn manuels_collection.wsgi -b 0.0.0.0:8000 --log-file -
diff --git a/manuels/views.py b/manuels/views.py
index ea47720..e9356ed 100644
--- a/manuels/views.py
+++ b/manuels/views.py
@@ -7,6 +7,7 @@ from django.contrib.auth.mixins import PermissionRequiredMixin
 from django.http import HttpResponseRedirect, JsonResponse
 from django.shortcuts import get_object_or_404, redirect
 from django.urls import reverse
+from django.views.decorators.cache import cache_page
 from django.views.generic import CreateView, ListView, UpdateView, DeleteView, FormView, DetailView, TemplateView
 
 from manuels.forms import AddBookForm, AddSuppliesForm, EditBookForm, EditSuppliesForm
@@ -226,6 +227,7 @@ class ConfirmTeacherView(BaseTeacherView, UpdateView):
         return response
 
 
+@cache_page(None)
 def isbn_api(request, isbn):
     res = requests.get(f'https://www.decitre.fr/livres/{isbn}.html')
 
diff --git a/manuels_collection/settings.py b/manuels_collection/settings.py
index f182b36..1a3fc1f 100644
--- a/manuels_collection/settings.py
+++ b/manuels_collection/settings.py
@@ -173,3 +173,11 @@ EMAIL_BACKEND = 'anymail.backends.mailgun.EmailBackend'
 MESSAGE_TAGS = {
     messages.ERROR: 'danger',
 }
+
+CACHES = {
+    'default': {
+        'BACKEND': 'django.core.cache.backends.db.DatabaseCache',
+        'LOCATION': 'manuels_cache',
+    }
+}
+