Some more minor changes

plexpy/datafactory.py

@@ -814,6 +814,7 @@ class DataFactory(object):
             logger.warn(u"PlexPy DataFactory :: Unable to execute database query for get_total_duration: %s." % e)
             return None
 
+        total_duration = 0
         for item in result:
             total_duration = item['total_duration']
 

plexpy/helpers.py

@@ -150,7 +150,7 @@ def human_duration(s, sig='dhms'):
 
     hd = ''
 
-    if str(s).isdigit():
+    if str(s).isdigit() and s > 0:
         d = int(s / 84600)
         h = int((s % 84600) / 3600)
         m = int(((s % 84600) % 3600) / 60)
@@ -173,6 +173,8 @@ def human_duration(s, sig='dhms'):
             hd_list.append(str(s) + ' secs')
 
         hd = ' '.join(hd_list)
+    else:
+        hd = '0'
 
     return hd
 

plexpy/libraries.py

@@ -363,15 +363,19 @@ class Libraries(object):
             else:
                 results = sorted(results, key=lambda k: k[sort_key], reverse=reverse)
 
+        total_file_size = sum([helpers.cast_to_int(d['file_size']) for d in results])
+
         # Paginate results
         results = results[json_data['start']:(json_data['start'] + json_data['length'])]
 
-        ## Find some way to add total disk space used?
+        filtered_file_size = sum([helpers.cast_to_int(d['file_size']) for d in results])
 
         dict = {'recordsFiltered': filtered_count,
                 'recordsTotal': library_count,
                 'data': results,
-                'draw': int(json_data['draw'])
+                'draw': int(json_data['draw']),
+                'filtered_file_size': filtered_file_size,
+                'total_file_size': total_file_size
                 }
         
         return dict