fixup! erp5_interface_post: action to export all exportable Letter Post in only one PDF document

bt5/erp5_interface_post/SkinTemplateItem/portal_skins/erp5_interface_post/LetterPostModule_exportExportableLetterPost.py

@@ -16,7 +16,7 @@ if person_value.getDefaultEmailText('') in ('', None):
 
 context.activate(
   tag=script.id,
-).LetterPostModule_exportExportableLetterPostActivity(user.getId())
+).LetterPostModule_exportExportableLetterPostActivity(user.getUserId())
 
 return context.Base_redirect('view',
   keep_items=dict(portal_status_message=N_("Report Started")))

bt5/erp5_interface_post/SkinTemplateItem/portal_skins/erp5_interface_post/LetterPostModule_exportExportableLetterPostActivity.py

@@ -2,13 +2,17 @@ portal = context.getPortalObject()
 N_ = portal.Base_translateString
 
 letter_post_list = context.searchFolder(simulation_state='exportable')
-
-merged_pdf_content = ""
+merged_pdf_content = None
 
 for letter_post in letter_post_list:
   letter_post = letter_post.getObject()
-  merged_pdf_content = portal.ERP5Site_mergePDFList([merged_pdf_content, letter_post.getData()])
-  letter_post.activate().export()
+
+  if merged_pdf_content is None:
+    merged_pdf_content = letter_post.getData()
+  else:
+    merged_pdf_content = portal.ERP5Site_mergePDFList([merged_pdf_content, letter_post.getData()])
+
+  letter_post.activate(activity='SQLQueue').export()
 
 result_pdf = portal.document_module.newContent(
   portal_type='PDF',
@@ -17,7 +21,7 @@ result_pdf = portal.document_module.newContent(
 )
 
 portal.portal_notifications.activate(activity='SQLQueue').sendMessage(
-  recipient=user_name,
+  recipient=[user_name,],
   subject=N_('Letters to print'),
   message='Please find the PDF aggregating all letters to send here : %s' % result_pdf.getAbsoluteUrl(),
   message_text_format='text/plain',