patient/index.html: display also total number of files and total size

server/web2py/applications/vidjil/views/patient/index.html

 {{extend 'db_layout.html'}}
 {{import vidjil_utils}}
 
+{{total_file_count = 0 ; total_size = 0}}
+
 <h3></h3>
 
 <div class="db_block">
@@ -49,7 +51,7 @@
 {{if isAdmin:}} <td> {{=row['groups']}}</td>{{pass}}
 {{if isAdmin:}} <td> {{=row['creator']}}</td>{{pass}}
                 <td> {{=row['file_count']}} ({{=vidjil_utils.format_size(row['size'])}}) </td>
-               
+            {{ total_file_count += row['file_count'] ; total_size += row['size'] }}
                
 {{if isAdmin:}} <td onclick="db.call('patient/permission', {'id' :'{{=row['id']}}'} )" > p </td> {{else:}} <td></td> {{pass}}
                 {{if row['has_permission']:}}
@@ -75,6 +77,7 @@
 
   </div>
   <div class="db_block_right">
-  {{ =len(query) }} patients
+  <br />
+  {{ =len(query) }} patients, {{ =total_file_count }} files ({{ =vidjil_utils.format_size(total_size) }})
   </div>
 </div>