set invitation as not accepted in case of join error (#505)

* set invitation as not accepted in case of join error

* remove unused name

src/Simplex/Messaging/Agent.hs

@@ -391,7 +391,9 @@ acceptContact' c connId enableNtfs invId ownConnInfo = do
   withStore c (`getConn` contactConnId) >>= \case
     SomeConn _ ContactConnection {} -> do
       withStore' c $ \db -> acceptInvitation db invId ownConnInfo
-      joinConn c connId enableNtfs connReq ownConnInfo
+      joinConn c connId enableNtfs connReq ownConnInfo `catchError` \err -> do
+        withStore' c (`unacceptInvitation` invId)
+        throwError err
     _ -> throwError $ CMD PROHIBITED
 
 -- | Reject contact (RJCT command) in Reader monad

src/Simplex/Messaging/Agent/Store/SQLite.hs

@@ -47,6 +47,7 @@ module Simplex.Messaging.Agent.Store.SQLite
     createInvitation,
     getInvitation,
     acceptInvitation,
+    unacceptInvitation,
     deleteInvitation,
     -- Messages
     updateRcvIds,
@@ -504,6 +505,10 @@ acceptInvitation db invitationId ownConnInfo =
       ":invitation_id" := invitationId
     ]
 
+unacceptInvitation :: DB.Connection -> InvitationId -> IO ()
+unacceptInvitation db invitationId =
+  DB.execute db "UPDATE conn_invitations SET accepted = 0, own_conn_info = NULL WHERE invitation_id = ?" (Only invitationId)
+
 deleteInvitation :: DB.Connection -> ConnId -> InvitationId -> IO (Either StoreError ())
 deleteInvitation db contactConnId invId =
   getConn db contactConnId $>>= \case