add a way to copy an open group url

_locales/en/messages.json

@@ -1062,6 +1062,10 @@
     "description": "Copy to clipboard session ID",
     "androidKey": "activity_conversation_menu_copy_session_id"
   },
+  "copyOpenGroupURL": {
+    "message": "Copy Group's URL",
+    "description": "Copy to clipboard Open Group URL"
+  },
   "save": {
     "message": "Save",
     "description": "Used as a 'commit changes' button in the Caption Editor for outgoing image attachments",

_locales/fr/messages.json

@@ -1221,6 +1221,14 @@
     "copy": {
         "message": "Copier"
     },
+    "copySessionID": {
+        "message": "Copier le Session ID",
+        "description": "Copy to clipboard session ID"
+    },
+    "copyOpenGroupURL": {
+        "message": "Copier l'URL de Group",
+        "description": "Copy to clipboard Open Group URL"
+    },
     "linkPreviewsTitle": {
         "message": "Envoyer des aperçus de liens"
     },

ts/components/session/menu/Menu.tsx

@@ -32,8 +32,9 @@ function showDeleteMessages(isPublic: boolean): boolean {
   return !isPublic;
 }
 
+// we want to show the copyId for open groups and private chats only
 function showCopyId(isPublic: boolean, isGroup: boolean): boolean {
-  return !isGroup; // || isPublic;
+  return !isGroup || isPublic;
 }
 
 function showDeleteContact(
@@ -196,7 +197,9 @@ export function getCopyMenuItem(
   i18n: LocalizerType
 ): JSX.Element | null {
   if (showCopyId(Boolean(isPublic), Boolean(isGroup))) {
-    const copyIdLabel = i18n('copySessionID');
+    const copyIdLabel = isPublic
+      ? i18n('copyOpenGroupURL')
+      : i18n('copySessionID');
     return <Item onClick={action}>{copyIdLabel}</Item>;
   }
   return null;

ts/models/conversation.ts

@@ -1351,6 +1351,13 @@ export class ConversationModel extends Backbone.Model<ConversationAttributes> {
   }
 
   public copyPublicKey() {
+    if (this.isPublic()) {
+      const openGroupUrl = this.id.substr(this.id.indexOf('@') + 1);
+      window.clipboard.writeText(openGroupUrl);
+
+      ToastUtils.pushCopiedToClipBoard();
+      return;
+    }
     window.clipboard.writeText(this.id);
 
     ToastUtils.pushCopiedToClipBoard();