urbit/pkg/arvo/app/hark-group-hook.hoon
2021-01-28 16:13:57 +10:00

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:: hark-group-hook: notifications for groups [landscape]
::
/- store=hark-store, post, group-store, metadata=metadata-store, hook=hark-group-hook
/+ resource, mdl=metadata, default-agent, dbug, graph-store
::
~% %hark-group-hook-top ..part ~
|%
+$ card card:agent:gall
+$ versioned-state
$% state-0
==
::
+$ state-0
$: %0
watching=(set resource)
==
::
--
::
=| state-0
=* state -
::
=<
%- agent:dbug
^- agent:gall
~% %hark-group-hook-agent ..card ~
|_ =bowl:gall
+* this .
ha ~(. +> bowl)
def ~(. (default-agent this %|) bowl)
met ~(. mdl bowl)
::
++ on-init
:_ this
:~ watch-metadata:ha
watch-groups:ha
==
::
++ on-save !>(state)
++ on-load
|= old=vase
^- (quip card _this)
`this(state !<(state-0 old))
::
++ on-watch
|= =path
?. ?=([%updates ~] path)
(on-watch:def path)
:_ this
=; =cage
[%give %fact ~ cage]~
:- %hark-group-hook-update
!> ^- update:hook
[%initial watching]
::
++ on-poke
~/ %hark-group-hook-poke
|= [=mark =vase]
^- (quip card _this)
|^
?> (team:title our.bowl src.bowl)
=^ cards state
?+ mark (on-poke:def mark vase)
%hark-group-hook-action
(hark-group-hook-action !<(action:hook vase))
==
[cards this]
::
++ hark-group-hook-action
|= =action:hook
^- (quip card _state)
|^
?- -.action
%listen (listen +.action)
%ignore (ignore +.action)
==
++ listen
|= group=resource
^- (quip card _state)
:- (give %listen group)
state(watching (~(put in watching) group))
::
++ ignore
|= group=resource
^- (quip card _state)
:- (give %ignore group)
state(watching (~(del in watching) group))
::
++ give
|= =update:hook
^- (list card)
[%give %fact ~[/updates] %hark-group-hook-update !>(update)]~
--
--
::
++ on-agent
~/ %hark-group-hook-agent
|= [=wire =sign:agent:gall]
^- (quip card _this)
|^
?+ -.sign (on-agent:def wire sign)
%kick
:_ this
?+ wire ~
[%group ~] ~[watch-groups:ha]
[%metadata ~] ~[watch-metadata:ha]
==
::
%fact
?+ p.cage.sign (on-agent:def wire sign)
%group-update
=^ cards state
(group-update !<(update:group-store q.cage.sign))
[cards this]
::
%metadata-update
=^ cards state
(metadata-update !<(update:metadata q.cage.sign))
[cards this]
==
==
::
++ group-update
|= =update:group-store
^- (quip card _state)
?. ?=(?(%add-members %remove-members) -.update)
[~ state]
?. (~(has in watching) resource.update)
[~ state]
=/ =contents:store
[%group ~[update]]
=/ =notification:store [now.bowl %.n contents]
=/ =index:store
[%group resource.update -.update]
:_ state
~[(add-unread index notification)]
:: +metadata-update is stubbed for now, for the following reasons
:: - There's no semantic difference in metadata-store between
:: adding and editing a channel
:: - We have no way of retrieving old metadata to e.g. get a
:: channel's old name when it is renamed
++ metadata-update
|= =update:metadata
^- (quip card _state)
[~ state]
::
++ add-unread
|= [=index:store =notification:store]
^- card
=- [%pass / %agent [our.bowl %hark-store] %poke -]
:- %hark-action
!> ^- action:store
[%add-note index notification]
--
::
++ on-peek on-peek:def
++ on-leave on-leave:def
++ on-arvo on-arvo:def
++ on-fail on-fail:def
--
|_ =bowl:gall
+* met ~(. metadata bowl)
::
++ watch-groups
^- card
[%pass /group %agent [our.bowl %group-store] %watch /groups]
::
++ watch-metadata
^- card
[%pass /metadata %agent [our.bowl %metadata-store] %watch /updates]
--