Differentiate between no filelist and empty filelist

We had these two cases munged together before; some packages have seen
filelist updates but simply don't have any files ('firefox-i18n' for
example).

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

packages/views.py

@@ -290,11 +290,14 @@ def files(request, name, repo, arch):
     pkg = get_object_or_404(Package,
             pkgname=name, repo__name__iexact=repo, arch__name=arch)
     fileslist = PackageFile.objects.filter(pkg=pkg).order_by('directory', 'filename')
+    context = {
+        'pkg': pkg,
+        'files': fileslist,
+    }
     template = 'packages/files.html'
     if request.is_ajax():
         template = 'packages/files-list.html'
-    return direct_to_template(request, template,
+    return direct_to_template(request, template, context)
-            {'pkg':pkg, 'files':fileslist})
 
 def details_json(request, name, repo, arch):
     pkg = get_object_or_404(Package,

templates/packages/files-list.html

@@ -2,12 +2,16 @@
 <p class="message">Note: This file list was generated from a previous version
 of the package; it may be out of date.</p>
 {% endif %}
-{% if files.count %}
+{% if pkg.files_last_update %}
+{% if files|length %}
 <ul>
     {% for file in files %}
     <li>{{ file.directory }}{{ file.filename|default:'' }}</li>
     {% endfor %}
 </ul>
 {% else %}
+<p class="message">Package has no files.</p>
+{% endif %}
+{% else %}
 <p class="message">No file list available.</p>
 {% endif %}