[finish #27470199] inactivate checked premium button no longer shows if there are no checked premiums

core/models.py

@@ -234,6 +234,10 @@ class Campaign(models.Model):
         q = Q(campaign=self) | Q(campaign__isnull=True)
         return Premium.objects.filter(q).exclude(type='XX').order_by('amount')
 
+    def custom_premiums(self):
+        """returns only the active custoe premiums for the Campaign """
+        return Premium.objects.filter(campaign=self).filter(type='CU')
+        
 class Identifier(models.Model):
     # olib, ltwk, goog, gdrd, thng, isbn, oclc, olwk, olib
     type = models.CharField(max_length=4, null=False)

frontend/templates/manage_campaign.html

@@ -87,7 +87,9 @@ The ending date can't be more than six months away- that's a practical limit for
         </li>
         {% endfor %}
      </ul>
+     {% if campaign.custom_premiums.count %}
      <input type="submit" name="inactivate" value="Inactivate Checked Premiums" />
+     {% endif %}
     </form>
 </div>
 <h4>Add a custom premium for this campaign</h4>