[REF] Open Invoice or Fiscal Document

l10n_br_sale/models/sale_order.py

@@ -289,3 +289,28 @@ def action_invoice_create(self, grouped=False, final=False):
  inv_line.invoice_id = invoice.id
 
  return inv_ids
+
+ @api.multi
+ def action_view_invoice(self):
+ action = super().action_view_invoice()
+ invoices = self.mapped('invoice_ids')
+ if any(invoices.filtered(lambda i: i.document_type_id)):
+ action = self.env.ref(
+ 'l10n_br_account.fiscal_invoice_action').read()[0]
+ if len(invoices) > 1:
+ action['domain'] = [('id', 'in', invoices.ids)]
+ elif len(invoices) == 1:
+ form_view = [
+ (self.env.ref('l10n_br_account.fiscal_invoice_form').id,
+ 'form')
+ ]
+ if 'views' in action:
+ action['views'] = form_view + [
+ (state,view) for state,view in action['views']
+ if view != 'form']
+ else:
+ action['views'] = form_view
+ action['res_id'] = invoices.ids[0]
+ else:
+ action = {'type': 'ir.actions.act_window_close'}
+ return action