From e85d611aa6ac40e1d30428617e6ad3bd0c1b0432 Mon Sep 17 00:00:00 2001
From: Tom Hacohen <tom@stosb.com>
Date: Wed, 10 Jul 2019 12:09:43 +0100
Subject: [PATCH] Block sharing of old-style journals.

---
 src/Journals/JournalMembers.tsx | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/src/Journals/JournalMembers.tsx b/src/Journals/JournalMembers.tsx
index 41c9d36..ef7054c 100644
--- a/src/Journals/JournalMembers.tsx
+++ b/src/Journals/JournalMembers.tsx
@@ -48,6 +48,7 @@ class JournalMembers extends React.PureComponent<PropsTypeInner> {
     const { members, revokeUser, addMemberOpen } = this.state;
 
     const info = syncJournal.collection;
+    const sharingAllowed = syncJournal.journal.version > 1;
 
     return (
       <>
@@ -86,12 +87,24 @@ class JournalMembers extends React.PureComponent<PropsTypeInner> {
         </ConfirmationDialog>
 
         { addMemberOpen &&
-          <JournalMemberAddDialog
-            etesync={this.props.etesync}
-            info={info}
-            onOk={this.onMemberAdd}
-            onClose={() => this.setState({ addMemberOpen: false })}
-          />
+          (sharingAllowed ?
+            <JournalMemberAddDialog
+              etesync={this.props.etesync}
+              info={info}
+              onOk={this.onMemberAdd}
+              onClose={() => this.setState({ addMemberOpen: false })}
+            />
+          :
+            <ConfirmationDialog
+              title="Now Allowed"
+              labelOk="OK"
+              open
+              onOk={() => this.setState({ addMemberOpen: false })}
+              onClose={() => this.setState({ addMemberOpen: false })}
+            >
+              Sharing of old-style journals is not allowed. In order to share this journal, create a new one, and copy its contents over using the "import" dialog. If you are experiencing any issues, please contact support.
+            </ConfirmationDialog>
+          )
         }
       </>
     );