From 03d276b5d05b2598608a01d7733f8c7310e39fa8 Mon Sep 17 00:00:00 2001
From: Ali HAMDI <ahamdi@exoplatform.com>
Date: Tue, 17 Sep 2024 16:00:53 +0100
Subject: [PATCH] fix: add AltRep field for event description - EXO-73523
 (#690)

---
 .../org/exoplatform/agenda/util/NotificationUtils.java   | 9 +++++++++
 .../components/event/view/AgendaEventIcs.vue             | 1 +
 2 files changed, 10 insertions(+)

diff --git a/agenda-services/src/main/java/org/exoplatform/agenda/util/NotificationUtils.java b/agenda-services/src/main/java/org/exoplatform/agenda/util/NotificationUtils.java
index 8f3056e7d..6f850e899 100644
--- a/agenda-services/src/main/java/org/exoplatform/agenda/util/NotificationUtils.java
+++ b/agenda-services/src/main/java/org/exoplatform/agenda/util/NotificationUtils.java
@@ -7,6 +7,7 @@
 import java.net.URI;
 import java.net.URLEncoder;
 import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.time.*;
 import java.util.*;
 import java.util.stream.Collectors;
@@ -15,6 +16,7 @@
 import net.fortuna.ical4j.model.DateTime;
 import net.fortuna.ical4j.model.ParameterList;
 import net.fortuna.ical4j.model.component.VEvent;
+import net.fortuna.ical4j.model.parameter.AltRep;
 import net.fortuna.ical4j.model.parameter.Cn;
 import net.fortuna.ical4j.model.property.*;
 import net.fortuna.ical4j.util.RandomUidGenerator;
@@ -956,6 +958,13 @@ public static final void addIcsFile(NotificationInfo notification, MessageInfo m
     parameters.add(new net.fortuna.ical4j.model.parameter.XParameter("FMTTYPE", "text/html"));
     XProperty xProperty = new XProperty("X-ALT-DESC", parameters, htmlContent);
     vEvent.getProperties().add(xProperty);
+    try {
+      ParameterList params = new ParameterList();
+      params.add(new AltRep("data:text/html," + URLEncoder.encode(htmlContent, StandardCharsets.UTF_8)));
+      vEvent.getProperties().add(new Description(params, plainTextContent));
+    } catch (Exception e) {
+      LOG.error("Could not add the Altrep property for description field", e);
+    }
 
     /* Add event to calendar */
     calendar.getComponents().add(vEvent);
diff --git a/agenda-webapps/src/main/webapp/vue-app/agenda-common/components/event/view/AgendaEventIcs.vue b/agenda-webapps/src/main/webapp/vue-app/agenda-common/components/event/view/AgendaEventIcs.vue
index ea1fcd77d..615e3ef44 100644
--- a/agenda-webapps/src/main/webapp/vue-app/agenda-common/components/event/view/AgendaEventIcs.vue
+++ b/agenda-webapps/src/main/webapp/vue-app/agenda-common/components/event/view/AgendaEventIcs.vue
@@ -104,6 +104,7 @@ export default {
         `DTEND:${formatDate(event.endDate)}\r\n` +
         `SUMMARY:${event.summary || ''}\r\n` +
         `DESCRIPTION:${plainTextDescription || ''}\r\n` +
+        `DESCRIPTION,ALTREP:"data:text/html,${encodeURI(htmlDescription)}":${plainTextDescription}\r\n` +
         `X-ALT-DESC;FMTTYPE=text/html:${htmlDescription}\r\n` +
         `LOCATION:${event.location || ''}\r\n` +
         `URL:${confurl}\r\n` +