From f3e0adcb2fc9a26e2ad9337a47550a37590074d9 Mon Sep 17 00:00:00 2001 From: Dan McGee Date: Tue, 1 May 2012 18:12:50 -0500 Subject: Add some caching to the Opensearch-related views Both some simple cache headers as well as low-level results caching on search terms suggestions. Signed-off-by: Dan McGee --- packages/views/__init__.py | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) (limited to 'packages/views') diff --git a/packages/views/__init__.py b/packages/views/__init__.py index 21d17470..0f1dc799 100644 --- a/packages/views/__init__.py +++ b/packages/views/__init__.py @@ -4,9 +4,11 @@ from django.contrib import messages from django.contrib.auth.decorators import permission_required from django.contrib.auth.models import User +from django.core.cache import cache from django.http import HttpResponse, Http404 from django.shortcuts import get_object_or_404, redirect from django.utils import simplejson +from django.views.decorators.cache import cache_control from django.views.decorators.http import require_GET, require_POST from django.views.decorators.vary import vary_on_headers from django.views.generic.simple import direct_to_template @@ -25,6 +27,7 @@ @require_GET +@cache_control(public=True, max_age=86400) def opensearch(request): if request.is_secure(): domain = "https://%s" % request.META['HTTP_HOST'] @@ -37,16 +40,21 @@ def opensearch(request): @require_GET +@cache_control(public=True, max_age=300) def opensearch_suggest(request): search_term = request.GET.get('q', '') if search_term == '': return HttpResponse('', mimetype='application/x-suggestions+json') - names = Package.objects.filter( - pkgname__startswith=search_term).values_list( - 'pkgname', flat=True).order_by('pkgname').distinct()[:10] - results = [search_term, list(names)] - to_json = simplejson.dumps(results, ensure_ascii=False) + cache_key = 'opensearch:packages:' + search_term + to_json = cache.get(cache_key, None) + if to_json is None: + names = Package.objects.filter( + pkgname__startswith=search_term).values_list( + 'pkgname', flat=True).order_by('pkgname').distinct()[:10] + results = [search_term, list(names)] + to_json = simplejson.dumps(results, ensure_ascii=False) + cache.set('opensearch:packages:%s' % search_term, to_json, 300) return HttpResponse(to_json, mimetype='application/x-suggestions+json') -- cgit v1.2.3-54-g00ecf