Extracted document filesystem serving into a separate app, see docs/Changelog.txt to update database accordingly

apps/filesystem_serving/views.py

@@ -0,0 +1,41 @@
+from django.utils.translation import ugettext_lazy as _
+from django.http import HttpResponse, HttpResponseRedirect, Http404
+from django.shortcuts import render_to_response
+from django.template import RequestContext
+from django.contrib import messages
+
+
+from permissions.api import check_permissions, Unauthorized
+
+
+from filesystem_serving import FILESYSTEM_SERVING_RECREATE_LINKS
+from api import do_recreate_all_links
+
+
+def recreate_all_links(request):
+    permissions = [FILESYSTEM_SERVING_RECREATE_LINKS]
+    try:
+        check_permissions(request.user, 'filesystem_serving', permissions)
+    except Unauthorized, e:
+        raise Http404(e)
+
+    previous = request.POST.get('previous', request.GET.get('previous', request.META.get('HTTP_REFERER', None)))
+    next = request.POST.get('next', request.GET.get('next', request.META.get('HTTP_REFERER', None)))
+    
+    if request.method != 'POST':
+        return render_to_response('generic_confirm.html', {
+            'previous':previous,
+            'next':next,
+            'message':_(u'On large databases this operation may take some time to execute.'),
+        }, context_instance=RequestContext(request))
+    else:     
+        try:
+            errors, warnings = do_recreate_all_links()
+            messages.success(request, _(u'Filesystem links re-creation completed successfully.'))
+            for warning in warnings:
+                messages.warning(request, warning)
+                
+        except Exception, e:
+            messages.error(request, _(u'Filesystem links re-creation error: %s') % e)
+            
+        return HttpResponseRedirect(next)