shrub/pkg/arvo/app/hark-chat-hook.hoon
Liam Fitzgerald f8865b479c
hark-chat-hook: restart possibly killed subscription
Issue #3946 may have caused the subscription to be killed by way of a
crashed %fact handling. If so, restart the subscription.
2020-11-18 14:25:31 +10:00

215 lines
4.5 KiB
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:: hark-chat-hook: notifications for chat-store [landscape]
::
/- store=hark-store, post, group-store, metadata-store, hook=hark-chat-hook
/+ resource, metadata, default-agent, dbug, chat-store, grpl=group
::
~% %hark-chat-hook-top ..is ~
|%
+$ card card:agent:gall
+$ versioned-state
$% state-0
==
::
+$ state-0
$: %0
watching=(set path)
mentions=_&
==
::
--
::
=| state-0
=* state -
::
=>
|_ =bowl:gall
::
++ give
|= [paths=(list path) =update:hook]
^- (list card)
[%give %fact paths hark-chat-hook-update+!>(update)]~
::
++ watch-chat
^- card
[%pass /chat %agent [our.bowl %chat-store] %watch /all]
--
%- agent:dbug
^- agent:gall
~% %hark-chat-hook-agent ..card ~
|_ =bowl:gall
+* this .
ha ~(. +> bowl)
def ~(. (default-agent this %|) bowl)
met ~(. metadata bowl)
grp ~(. grpl bowl)
::
++ on-init
:_ this
~[watch-chat:ha]
::
++ on-save !>(state)
++ on-load
|= old=vase
^- (quip card _this)
:_ this(state !<(state-0 old))
?: (~(has by wex.bowl) [/chat our.bowl %chat-store])
~
~[watch-chat:ha]
::
++ on-watch
|= =path
^- (quip card _this)
=^ cards state
?+ path (on-watch:def path)
::
[%updates ~]
:_ state
%+ give:ha ~
:* %initial
watching
==
==
[cards this]
::
++ on-poke
~/ %hark-chat-hook-poke
|= [=mark =vase]
^- (quip card _this)
|^
?> (team:title our.bowl src.bowl)
=^ cards state
?+ mark (on-poke:def mark vase)
%hark-chat-hook-action
(hark-chat-hook-action !<(action:hook vase))
==
[cards this]
::
++ hark-chat-hook-action
|= =action:hook
^- (quip card _state)
|^
:- (give:ha ~[/updates] action)
?- -.action
%listen (listen +.action)
%ignore (ignore +.action)
%set-mentions (set-mentions +.action)
==
++ listen
|= chat=path
^+ state
state(watching (~(put in watching) chat))
::
++ ignore
|= chat=path
^+ state
state(watching (~(del in watching) chat))
::
++ set-mentions
|= ment=?
^+ state
state(mentions ment)
--
--
::
++ on-agent
~/ %hark-chat-hook-agent
|= [=wire =sign:agent:gall]
^- (quip card _this)
|^
?+ -.sign (on-agent:def wire sign)
%kick
:_ this
?. ?=([%chat ~] wire)
~
~[watch-chat:ha]
::
%fact
?. ?=(%chat-update p.cage.sign)
(on-agent:def wire sign)
=^ cards state
(chat-update !<(update:chat-store q.cage.sign))
[cards this]
==
::
++ chat-update
|= =update:chat-store
^- (quip card _state)
?+ -.update `state
%initial (process-initial +.update)
%create (process-new +.update)
::
%message
:_ state
(process-envelope path.update envelope.update)
::
%messages
:_ state
%- zing
(turn envelopes.update (cury process-envelope path.update))
==
++ process-initial
|= =inbox:chat-store
^- (quip card _state)
=/ keys=(list path)
~(tap in ~(key by inbox))
=| cards=(list card)
|-
?~ keys
[cards state]
=* path i.keys
=^ cs state
(process-new path)
$(cards (weld cards cs), keys t.keys)
::
++ process-new
|= chat=path
^- (quip card _state)
=/ groups=(list path)
(groups-from-resource:met %chat chat)
?~ groups
`state
?: (is-managed-path:grp i.groups)
`state
`state(watching (~(put in watching) chat))
::
++ is-mention
|= =envelope:chat-store
?. ?=(%text -.letter.envelope) %.n
?& mentions
?= ^
(find (scow %p our.bowl) (trip text.letter.envelope))
==
::
++ is-notification
|= [=path =envelope:chat-store]
?& (~(has in watching) path)
!=(author.envelope our.bowl)
==
::
++ process-envelope
|= [=path =envelope:chat-store]
^- (list card)
=/ mention=?
(is-mention envelope)
?. ?|(mention (is-notification path envelope))
~
=/ =index:store
[%chat path mention]
=/ =contents:store
[%chat ~[envelope]]
~[(poke-store %add index when.envelope %.n contents)]
::
++ poke-store
|= =action:store
^- card
=- [%pass /store %agent [our.bowl %hark-store] %poke -]
hark-action+!>(action)
--
::
++ on-peek on-peek:def
::
++ on-leave on-leave:def
++ on-arvo on-arvo:def
++ on-fail on-fail:def
--