MOBILE-3833 bbb: Improve error message when user not in group

Author: dpalou

scripts/langindex.json

@@ -461,6 +461,7 @@
   "addon.mod_bigbluebuttonbn.view_message_session_started_at": "bigbluebuttonbn",
   "addon.mod_bigbluebuttonbn.view_message_viewer": "bigbluebuttonbn",
   "addon.mod_bigbluebuttonbn.view_message_viewers": "bigbluebuttonbn",
+  "addon.mod_bigbluebuttonbn.view_nojoin": "bigbluebuttonbn",
   "addon.mod_book.errorchapter": "book",
   "addon.mod_book.modulenameplural": "book",
   "addon.mod_book.navnexttitle": "book",

src/addons/mod/bigbluebuttonbn/components/index/index.ts

@@ -81,15 +81,23 @@ export class AddonModBBBIndexComponent extends CoreCourseModuleMainActivityCompo
             return;
         }
 
-        this.meetingInfo = await AddonModBBB.getMeetingInfo(this.bbb.id, this.groupId, {
-            cmId: this.module.id,
-        });
-
-        if (this.meetingInfo.statusrunning && this.meetingInfo.userlimit > 0) {
-            const count = (this.meetingInfo.participantcount || 0) + (this.meetingInfo.moderatorcount || 0);
-            if (count === this.meetingInfo.userlimit) {
-                this.meetingInfo.statusmessage = Translate.instant('addon.mod_bigbluebuttonbn.userlimitreached');
+        try {
+            this.meetingInfo = await AddonModBBB.getMeetingInfo(this.bbb.id, this.groupId, {
+                cmId: this.module.id,
+            });
+
+            if (this.meetingInfo.statusrunning && this.meetingInfo.userlimit > 0) {
+                const count = (this.meetingInfo.participantcount || 0) + (this.meetingInfo.moderatorcount || 0);
+                if (count === this.meetingInfo.userlimit) {
+                    this.meetingInfo.statusmessage = Translate.instant('addon.mod_bigbluebuttonbn.userlimitreached');
+                }
             }
+        } catch (error) {
+            if (error && error.errorcode === 'restrictedcontextexception') {
+                error.message = Translate.instant('addon.mod_bigbluebuttonbn.view_nojoin');
+            }
+
+            throw error;
         }
     }
 

src/addons/mod/bigbluebuttonbn/lang.json

@@ -14,5 +14,6 @@
     "view_message_moderators": "moderators",
     "view_message_session_started_at": "This session started at",
     "view_message_viewer": "viewer",
-    "view_message_viewers": "viewers"
+    "view_message_viewers": "viewers",
+    "view_nojoin": "You do not have a role that is allowed to join this session."
 }