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S2S: Implement deckUndoF
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fr33domlover
parent
934c69daae
commit
9b158c13cd
2 changed files with 215 additions and 107 deletions
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@ -26,7 +26,7 @@ module Vervis.Federation.Offer
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, repoFollowF
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--, sharerUndoF
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--, projectUndoF
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, deckUndoF
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--, repoUndoF
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)
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where
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@ -79,6 +79,7 @@ import Data.Tuple.Local
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import Database.Persist.Local
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import Yesod.Persist.Local
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import Vervis.Access
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import Vervis.ActivityPub
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import Vervis.Cloth
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import Vervis.Data.Actor
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@ -676,6 +677,217 @@ repoFollowF now recipRepoHash =
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now
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recipRepoHash
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deckUndoF
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:: UTCTime
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-> KeyHashid Deck
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-> RemoteAuthor
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-> ActivityBody
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-> Maybe (RecipientRoutes, ByteString)
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-> LocalURI
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-> AP.Undo URIMode
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-> ExceptT Text Handler Text
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deckUndoF now recipDeckHash author body mfwd luUndo (AP.Undo uObject) = do
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-- Check input
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recipDeckID <- decodeKeyHashid404 recipDeckHash
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undone <-
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first (\ (actor, _, item) -> (actor, item)) <$>
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parseActivityURI uObject
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-- Verify the capability URI, if provided, is one of:
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-- * Outbox item URI of a local actor, i.e. a local activity
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-- * A remote URI
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maybeCapability <-
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for (AP.activityCapability $ actbActivity body) $ \ uCap ->
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nameExceptT "Undo capability" $
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first (\ (actor, _, item) -> (actor, item)) <$>
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parseActivityURI uCap
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maybeHttp <- runDBExcept $ do
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-- Find recipient deck in DB, returning 404 if doesn't exist because we're
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-- in the deck's inbox post handler
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(recipDeckActorID, recipDeckActor) <- lift $ do
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deck <- get404 recipDeckID
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let actorID = deckActor deck
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(actorID,) <$> getJust actorID
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-- Insert the Undo to deck's inbox
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mractid <- lift $ insertToInbox now author body (actorInbox recipDeckActor) luUndo False
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for mractid $ \ undoID -> do
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-- Find the undone activity in our DB
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undoneDB <- do
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a <- getActivity undone
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fromMaybeE a "Can't find undone in DB"
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(sieve, acceptAudience) <- do
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maybeUndo <- do
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let followers = actorFollowers recipDeckActor
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lift $ runMaybeT $
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Left <$> tryUnfollow recipDeckID followers undoneDB <|>
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Right <$> tryUnresolve recipDeckID undoneDB
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undo <- fromMaybeE maybeUndo "Undone activity isn't a Follow or Resolve related to me"
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(audSenderOnly, audSenderAndFollowers) <- do
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ra <- lift $ getJust $ remoteAuthorId author
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let ObjURI hAuthor luAuthor = remoteAuthorURI author
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return
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( AudRemote hAuthor [luAuthor] []
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, AudRemote hAuthor
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[luAuthor]
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(maybeToList $ remoteActorFollowers ra)
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)
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case undo of
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Left (remoteFollowID, followerID) -> do
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unless (followerID == remoteAuthorId author) $
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throwE "Trying to undo someone else's Follow"
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lift $ delete remoteFollowID
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return
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( makeRecipientSet [] []
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, [audSenderOnly]
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)
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Right (deleteFromDB, taskID) -> do
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-- Verify the sender is authorized by the deck to unresolve a ticket
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capability <- do
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cap <-
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fromMaybeE
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maybeCapability
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"Asking to unresolve ticket but no capability provided"
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case cap of
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Left c -> pure c
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Right _ -> throwE "Capability is a remote URI, i.e. not authored by me"
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verifyCapability
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capability
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(Right $ remoteAuthorId author)
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(GrantResourceDeck recipDeckID)
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lift deleteFromDB
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taskHash <- encodeKeyHashid taskID
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return
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( makeRecipientSet
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[LocalActorDeck recipDeckHash]
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[ LocalStageDeckFollowers recipDeckHash
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, LocalStageTicketFollowers recipDeckHash taskHash
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]
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, [ AudLocal
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[]
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[ LocalStageDeckFollowers recipDeckHash
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, LocalStageTicketFollowers recipDeckHash taskHash
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]
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, audSenderAndFollowers
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]
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)
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-- Forward the Undo activity to relevant local stages, and
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-- schedule delivery for unavailable remote members of them
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maybeHttpFwdUndo <- lift $ for mfwd $ \ (localRecips, sig) ->
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forwardActivityDB
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(actbBL body) localRecips sig recipDeckActorID
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(LocalActorDeck recipDeckHash) sieve undoID
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-- Prepare an Accept activity and insert to deck's outbox
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acceptID <- lift $ insertEmptyOutboxItem (actorOutbox recipDeckActor) now
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(actionAccept, localRecipsAccept, remoteRecipsAccept, fwdHostsAccept) <-
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lift . lift $ prepareAccept acceptAudience
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_luAccept <- lift $ updateOutboxItem (LocalActorDeck recipDeckID) acceptID actionAccept
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-- Deliver the Accept to local recipients, and schedule delivery
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-- for unavailable remote recipients
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deliverHttpAccept <-
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deliverActivityDB
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(LocalActorDeck recipDeckHash) recipDeckActorID
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localRecipsAccept remoteRecipsAccept fwdHostsAccept
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acceptID actionAccept
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-- Return instructions for HTTP inbox-forwarding of the Undo
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-- activity, and for HTTP delivery of the Accept activity to
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-- remote recipients
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return (maybeHttpFwdUndo, deliverHttpAccept)
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-- Launch asynchronous HTTP forwarding of the Undo activity and HTTP
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-- delivery of the Accept activity
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case maybeHttp of
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Nothing -> return "I already have this activity in my inbox, doing nothing"
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Just (maybeHttpFwdUndo, deliverHttpAccept) -> do
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forkWorker "deckUndoF Accept HTTP delivery" deliverHttpAccept
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case maybeHttpFwdUndo of
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Nothing -> return "Undid, no inbox-forwarding to do"
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Just forwardHttpUndo -> do
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forkWorker "deckUndoF inbox-forwarding" forwardHttpUndo
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return "Undid and ran inbox-forwarding of the Undo"
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where
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tryUnfollow _ _ (Left _) = mzero
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tryUnfollow deckID deckFollowersID (Right remoteActivityID) = do
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Entity remoteFollowID remoteFollow <-
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MaybeT $ getBy $ UniqueRemoteFollowFollow remoteActivityID
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let followerID = remoteFollowActor remoteFollow
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followerSetID = remoteFollowTarget remoteFollow
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if followerSetID == deckFollowersID
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then pure ()
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else do
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ticketID <-
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MaybeT $ getKeyBy $ UniqueTicketFollowers followerSetID
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TicketDeck _ d <-
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MaybeT $ getValBy $ UniqueTicketDeck ticketID
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guard $ d == deckID
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return (remoteFollowID, followerID)
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tryUnresolve deckID undone = do
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(deleteFromDB, ticketID) <- findTicket undone
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Entity taskID (TicketDeck _ d) <-
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MaybeT $ getBy $ UniqueTicketDeck ticketID
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guard $ d == deckID
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return (deleteFromDB, taskID)
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where
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findTicket (Left (_actorByKey, _actorEntity, itemID)) = do
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Entity resolveLocalID resolveLocal <-
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MaybeT $ getBy $ UniqueTicketResolveLocalActivity itemID
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let resolveID = ticketResolveLocalTicket resolveLocal
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resolve <- lift $ getJust resolveID
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let ticketID = ticketResolveTicket resolve
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return
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( delete resolveLocalID >> delete resolveID
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, ticketID
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)
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findTicket (Right remoteActivityID) = do
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Entity resolveRemoteID resolveRemote <-
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MaybeT $ getBy $
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UniqueTicketResolveRemoteActivity remoteActivityID
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let resolveID = ticketResolveRemoteTicket resolveRemote
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resolve <- lift $ getJust resolveID
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let ticketID = ticketResolveTicket resolve
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return
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( delete resolveRemoteID >> delete resolveID
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, ticketID
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)
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prepareAccept audience = do
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encodeRouteHome <- getEncodeRouteHome
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let ObjURI hAuthor _ = remoteAuthorURI author
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(recipientSet, remoteActors, fwdHosts, audLocal, audRemote) =
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collectAudience audience
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recips = map encodeRouteHome audLocal ++ audRemote
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action = AP.Action
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{ AP.actionCapability = Nothing
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, AP.actionSummary = Nothing
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, AP.actionAudience = AP.Audience recips [] [] [] [] []
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, AP.actionFulfills = []
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, AP.actionSpecific = AP.AcceptActivity AP.Accept
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{ AP.acceptObject = ObjURI hAuthor luUndo
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, AP.acceptResult = Nothing
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}
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}
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return (action, recipientSet, remoteActors, fwdHosts)
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{-
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getFollow (Left _) = return Nothing
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getFollow (Right ractid) = getBy $ UniqueRemoteFollowFollow ractid
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@ -850,108 +1062,6 @@ sharerUndoF recipHash now author body mfwd luUndo (Undo uObj) = do
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return ([ticketFollowers], [audAuthor, audTicket])
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-}
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{-
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projectUndoF
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:: KeyHashid Project
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-> UTCTime
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-> RemoteAuthor
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-> ActivityBody
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-> Maybe (LocalRecipientSet, ByteString)
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-> LocalURI
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-> Undo URIMode
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-> ExceptT Text Handler Text
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projectUndoF recipHash now author body mfwd luUndo (Undo uObj) = do
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error "projectUndoF temporarily disabled"
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object <- parseActivity uObj
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mmmhttp <- runDBExcept $ do
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(Entity jid j, a) <- lift $ do
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sid <- getKeyBy404 $ UniqueSharer shrRecip
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ej@(Entity _ j) <- getBy404 $ UniqueProject prjRecip sid
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(ej,) <$> getJust (projectActor j)
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mractid <- lift $ insertToInbox now author body (actorInbox a) luUndo False
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for mractid $ \ ractid -> do
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mobject' <- getActivity object
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lift $ for mobject' $ \ object' -> do
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mobject'' <- runMaybeT $
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Left <$> MaybeT (getFollow object') <|>
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Right <$> MaybeT (getResolve object')
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for mobject'' $ \ object'' -> do
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(result, mfwdColl, macceptAuds) <-
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case object'' of
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Left erf -> (,Nothing,Nothing) <$> deleteRemoteFollow (isJust . myWorkItem) author (actorFollowers a) erf
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Right tr -> deleteResolve myWorkItem prepareAccept tr
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mremotesHttpFwd <- for (liftA2 (,) mfwd mfwdColl) $ \ ((localRecips, sig), colls) -> do
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let sieve = makeRecipientSet [] colls
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remoteRecips <-
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insertRemoteActivityToLocalInboxes
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False ractid $
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localRecipSieve'
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sieve False False localRecips
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(sig,) <$> deliverRemoteDB_J (actbBL body) ractid jid sig remoteRecips
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mremotesHttpAccept <- for macceptAuds $ \ acceptAuds -> do
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obiidAccept <- insertEmptyOutboxItem (actorOutbox a) now
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(docAccept, localRecipsAccept, remoteRecipsAccept, fwdHostsAccept) <-
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insertAcceptOnUndo (LocalActorProject shrRecip prjRecip) author luUndo obiidAccept acceptAuds
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knownRemoteRecipsAccept <-
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deliverLocal'
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False
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(LocalActorProject shrRecip prjRecip)
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(actorInbox a)
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obiidAccept
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localRecipsAccept
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(obiidAccept,docAccept,fwdHostsAccept,) <$>
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deliverRemoteDB fwdHostsAccept obiidAccept remoteRecipsAccept knownRemoteRecipsAccept
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return (result, mremotesHttpFwd, mremotesHttpAccept)
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case mmmhttp of
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Nothing -> return "Activity already in my inbox"
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Just mmhttp ->
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case mmhttp of
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Nothing -> return "Undo object isn't a known activity"
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Just mhttp ->
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case mhttp of
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Nothing -> return "Undo object isn't in use"
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Just (msg, mremotesHttpFwd, mremotesHttpAccept) -> do
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for_ mremotesHttpFwd $ \ (sig, remotes) ->
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forkWorker "projectUndoF inbox-forwarding" $
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deliverRemoteHTTP_J now shrRecip prjRecip (actbBL body) sig remotes
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for_ mremotesHttpAccept $ \ (obiid, doc, fwdHosts, remotes) ->
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forkWorker "projectUndoF Accept HTTP delivery" $
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deliverRemoteHttp' fwdHosts obiid doc remotes
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let fwdMsg =
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case mremotesHttpFwd of
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Nothing -> "No inbox-forwarding"
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Just _ -> "Did inbox-forwarding"
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acceptMsg =
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case mremotesHttpAccept of
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Nothing -> "Didn't send Accept"
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Just _ -> "Sent Accept"
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return $ msg <> "; " <> fwdMsg <> "; " <> acceptMsg
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where
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myWorkItem (WorkItemProjectTicket shr prj ltid)
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| shr == shrRecip && prj == prjRecip = Just ltid
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myWorkItem _ = Nothing
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prepareAccept ltid = do
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ltkhid <- encodeKeyHashid ltid
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ra <- getJust $ remoteAuthorId author
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let ObjURI hAuthor luAuthor = remoteAuthorURI author
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ticketFollowers =
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LocalPersonCollectionProjectTicketFollowers shrRecip prjRecip ltkhid
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audAuthor =
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AudRemote hAuthor [luAuthor] (maybeToList $ remoteActorFollowers ra)
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audTicket =
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AudLocal [] [ticketFollowers]
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return ([ticketFollowers], [audAuthor, audTicket])
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-}
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{-
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repoUndoF
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:: KeyHashid Repo
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@ -212,10 +212,8 @@ postDeckInboxR recipDeckHash =
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_ -> return ("Unsupported offer object type for decks", Nothing)
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AP.ResolveActivity resolve ->
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deckResolveF now recipDeckHash author body mfwd luActivity resolve
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{-
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UndoActivity undo ->
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(,Nothing) <$> projectUndoF shrRecip prjRecip now remoteAuthor body mfwd luActivity undo
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-}
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AP.UndoActivity undo ->
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(,Nothing) <$> deckUndoF now recipDeckHash author body mfwd luActivity undo
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_ -> return ("Unsupported activity type for decks", Nothing)
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getDeckOutboxR :: KeyHashid Deck -> Handler TypedContent
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