Implement Invite.__unicode__ and tweak the admin page for Invites

profiles/admin.py

@@ -1,3 +1,9 @@
 import models
 from django.contrib import admin
-admin.site.register(models.Invite)
+
+class InviteAdmin(admin.ModelAdmin):
+    list_display = ('code', 'creator', 'claimer', 'deleted')
+    search_fields = ('code', 'creator', 'claimer')
+    list_filter = ('deleted',)
+
+admin.site.register(models.Invite, InviteAdmin)

profiles/models.py

@@ -8,6 +8,9 @@ class Invite(models.Model):
     claimer = models.OneToOneField(User, related_name='claimed_invite', blank=True, null=True)
     deleted = models.BooleanField(default=False)
 
+    def __unicode__(self):
+        return self.code
+
     class Meta:
         ordering = ['deleted']