From 323e0935beb7f08487df163dbde4641d2455ebe7 Mon Sep 17 00:00:00 2001
From: Adrian Moennich <adrian.moennich@cern.ch>
Date: Mon, 11 Jan 2021 10:36:31 +0100
Subject: [PATCH] VC/Zoom: Fail gracefully if co-host has no zoom account

---
 .../indico_vc_zoom/translations/messages.pot   | 18 +++++++++++-------
 vc_zoom/indico_vc_zoom/util.py                 |  5 ++++-
 2 files changed, 15 insertions(+), 8 deletions(-)

diff --git a/vc_zoom/indico_vc_zoom/translations/messages.pot b/vc_zoom/indico_vc_zoom/translations/messages.pot
index 2eff619..13bb658 100644
--- a/vc_zoom/indico_vc_zoom/translations/messages.pot
+++ b/vc_zoom/indico_vc_zoom/translations/messages.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PROJECT VERSION\n"
 "Report-Msgid-Bugs-To: EMAIL@ADDRESS\n"
-"POT-Creation-Date: 2021-01-05 13:20+0100\n"
+"POT-Creation-Date: 2021-01-11 10:36+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -270,32 +270,36 @@ msgid ""
 "session block which were not automatically updated."
 msgstr ""
 
-#: indico_vc_zoom/util.py:42
+#: indico_vc_zoom/util.py:45
 msgid "All emails"
 msgstr ""
 
-#: indico_vc_zoom/util.py:43
+#: indico_vc_zoom/util.py:46
 msgid "Email domains"
 msgstr ""
 
-#: indico_vc_zoom/util.py:44
+#: indico_vc_zoom/util.py:47
 msgid "Authenticators"
 msgstr ""
 
-#: indico_vc_zoom/util.py:124
+#: indico_vc_zoom/util.py:127
 msgid "This room has been deleted from Zoom"
 msgstr ""
 
-#: indico_vc_zoom/util.py:128
+#: indico_vc_zoom/util.py:131
 msgid ""
 "Problem fetching room from Zoom. Please contact support if the error "
 "persists."
 msgstr ""
 
-#: indico_vc_zoom/util.py:147
+#: indico_vc_zoom/util.py:150
 msgid "Can't update meeting. Please contact support if the error persists."
 msgstr ""
 
+#: indico_vc_zoom/util.py:206
+msgid "Could not find Zoom user for alternative host"
+msgstr ""
+
 #: indico_vc_zoom/templates/buttons.html:9
 msgid "You will become an alternative host of this Zoom meeting"
 msgstr ""
diff --git a/vc_zoom/indico_vc_zoom/util.py b/vc_zoom/indico_vc_zoom/util.py
index 7f9eb5c..40b923a 100644
--- a/vc_zoom/indico_vc_zoom/util.py
+++ b/vc_zoom/indico_vc_zoom/util.py
@@ -201,4 +201,7 @@ def process_alternative_hosts(emails):
 
 def get_alt_host_emails(identifiers):
     """Convert a list of identities into a list of enterprise e-mails."""
-    return [find_enterprise_email(principal_from_identifier(ident)) for ident in identifiers]
+    emails = [find_enterprise_email(principal_from_identifier(ident)) for ident in identifiers]
+    if None in emails:
+        raise VCRoomError(_('Could not find Zoom user for alternative host'))
+    return emails