Move magic numbers into a function argument

Instead of having the '15 most recent' bit hardcoded, specify it as the
default but allow value to be overridden by any caller. We don't make
use of this yet, but it is not hard to do.

Signed-off-by: Dan McGee <dan@archlinux.org>

1 files changed, 5 insertions, 4 deletions

diff --git a/public/utils.py b/public/utils.py
index 81f589f..8ce2af4 100644
--- a/public/utils.py
+++ b/public/utils.py
@@ -4,19 +4,20 @@ from main.models import Arch, Package
 from main.utils import cache_function
 
 @cache_function(300)
-def get_recent_updates():
+def get_recent_updates(number=15):
     # This is a bit of magic. We are going to show 15 on the front page, but we
     # want to try and eliminate cross-architecture wasted space. Pull enough
     # packages that we can later do some screening and trim out the fat.
     pkgs = []
+    # grab a few extra so we can hopefully catch everything we need
+    fetch = number * 4
     for arch in Arch.objects.all():
-        # grab a few extra so we can hopefully catch everything we need
         pkgs += list(Package.objects.select_related(
-            'arch', 'repo').filter(arch=arch).order_by('-last_update')[:50])
+            'arch', 'repo').filter(arch=arch).order_by('-last_update')[:fetch])
     pkgs.sort(key=attrgetter('last_update'))
     updates = []
     ctr = 0
-    while ctr < 15 and len(pkgs) > 0:
+    while ctr < number and len(pkgs) > 0:
         # not particularly happy with this logic, but it works.
         p = pkgs.pop()
         is_same = lambda q: p.is_same_version(q) and p.repo == q.repo