[FIX] name of credit report generated file

account_credit_control/wizard/credit_control_printer.py

@@ -43,6 +43,7 @@ class CreditControlPrinter(orm.TransientModel):
         'mark_as_sent': fields.boolean('Mark letter lines as sent',
                                        help="Only letter lines will be marked."),
         'report_file': fields.binary('Generated Report', readonly=True),
+        'report_name': fields.char('Report name'),
         'state': fields.char('state', size=32),
         'line_ids': fields.many2many(
             'credit.control.line',
@@ -78,7 +79,9 @@ class CreditControlPrinter(orm.TransientModel):
                                                              context=context)
         report_file = comm_obj._generate_report(cr, uid, comms, context=context)
 
-        form.write({'report_file': base64.b64encode(report_file), 'state': 'done'})
+        form.write({'report_file': base64.b64encode(report_file),
+                    'report_name': 'credit_control_letters_%s.pdf' % form.id,
+                    'state': 'done'})
 
         if form.mark_as_sent:
             comm_obj._mark_credit_line_as_sent(cr, uid, comms, context=context)

account_credit_control/wizard/credit_control_printer_view.xml

@@ -21,7 +21,12 @@
             attrs="{'invisible': [('state', '=', 'done')]}" />
             </page>
           </notebook>
-          <field name="report_file" colspan="4" attrs="{'invisible': [('state', '!=', 'done')]}"/>
+          <field name="report_name"
+                 invisible="1"/>
+          <field name="report_file"
+                 colspan="4"
+                 filename="report_name"
+                 attrs="{'invisible': [('state', '!=', 'done')]}"/>
           <field name="state" invisible="1" />
           <newline/>
           <footer>