Revert "Remove unused flagged() manager method"

Far from unneeded, this is used on the developer dashboard. Silly me.
Document this fact as well in the code so we don't screw it up again.

This reverts commit 2a44855556531a27e949884d4084c6e5d37082e1.

1 files changed, 4 insertions, 0 deletions

diff --git a/main/models.py b/main/models.py
index a5d6c42..05e63fe 100644
--- a/main/models.py
+++ b/main/models.py
@@ -73,6 +73,10 @@ class TodolistManager(models.Manager):
         return self.filter(todolistpkg__complete=False).distinct()
 
 class PackageManager(models.Manager):
+    def flagged(self):
+        """Used by dev dashboard."""
+        return self.filter(flag_date__isnull=False)
+
     def normal(self):
         return self.select_related('arch', 'repo')