urbit/pkg/arvo/app/link-store.hoon

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:: link: social bookmarking
::
:: the paths under which links are submitted are generally expected to
:: correspond to existing group paths. for strictly-local collections of
:: links, arbitrary paths are probably fair game, but could trip up
:: primitive ui implementations.
::
:: see link-listen-hook to see what's synced in, and similarly
:: see link-proxy-hook to see what's exposed.
::
:: scry and subscription paths:
::
:: urls
:: /local-pages/[some-group] all pages we saved by recency
:: /submissions/[some-group] all submissions by recency
:: comments
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:: /annotations/[some-group]/[b64(url)] all our comments on url by recency
:: /discussions/[some-group]/[b64(url)] all known comments on url by recency
::
/+ *link, default-agent, verb
::
|%
+$ state-0
$: %0
by-group=(map path links)
by-site=(map site (list [path submission]))
discussions=(map path (map url discussion))
==
::
+$ links
$: ::NOTE all lists by recency
=submissions
ours=pages
==
::
+$ discussion
$: =comments
ours=notes
==
::
+$ card card:agent:gall
--
::
=| state-0
=* state -
::
%+ verb |
^- agent:gall
=<
|_ =bowl:gall
+* this .
do ~(. +> bowl)
def ~(. (default-agent this %|) bowl)
::
++ on-init on-init:def
++ on-save !>(state)
++ on-load
|= old=vase
^- (quip card _this)
[~ this(state !<(state-0 old))]
::
++ on-poke
|= [=mark =vase]
^- (quip card _this)
?> (team:title [our src]:bowl) ::TODO /lib/store
=^ cards state
?+ mark (on-poke:def mark vase)
::TODO move json conversion into mark once mark performance improves
%json (do-action:do (action:de-json !<(json vase)))
%link-action (do-action:do !<(action vase))
==
[cards this]
::
++ on-peek
|= =path
^- (unit (unit cage))
?+ path (on-peek:def path)
[%y ?(%local-pages %submissions) ~]
``noun+!>(~(key by by-group))
::
[%x %local-pages ^]
``noun+!>((get-local-pages:do t.t.path))
::
[%x %submissions ^]
``noun+!>((get-submissions:do t.t.path))
::
[%y ?(%annotations %discussions) ~]
``noun+!>(~(key by discussions))
::
[%y ?(%annotations %discussions) ^]
=/ urls (~(get by discussions) t.t.path)
?~ urls ~
``noun+!>(~(key by u.urls))
::
[%x %annotations @ ^]
``noun+!>((get-annotations:do t.t.path))
::
[%x %discussions @ ^]
``noun+!>((get-discussions:do t.t.path))
==
::
++ on-watch
|= =path
^- (quip card _this)
?> (team:title [our src]:bowl) ::TODO /lib/store
:_ this
|^ ?+ path (on-watch:def path)
[%local-pages ^]
%+ give %link-update
[%local-pages t.path (get-local-pages:do t.path)]
::
[%submissions ^]
%+ give %link-update
[%submissions t.path (get-submissions:do t.path)]
::
[%annotations @ ^]
%+ give %link-update
[%annotations t.path (get-annotations:do t.path)]
::
[%discussions @ ^]
%+ give %link-update
[%discussions t.path (get-discussions:do t.path)]
==
::
++ give
|* [=mark =noun]
^- (list card)
[%give %fact ~ mark !>(noun)]~
--
::
++ on-leave on-leave:def
++ on-agent on-agent:def
++ on-arvo on-arvo:def
++ on-fail on-fail:def
--
::
|_ =bowl:gall
::
:: writing
::
++ do-action
|= =action
^- (quip card _state)
?- -.action
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%save (save-page +.action)
%note (note-note +.action)
::
%hear (hear-submission +.action)
%read (read-comment +.action)
==
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:: +save-page: save a page ourselves
::
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++ save-page
|= [=path title=@t =url]
^- (quip card _state)
?< =(~ path)
:: add page to group ours
::
=/ =links (~(gut by by-group) path *links)
=/ =page [title url now.bowl]
=. ours.links [page ours.links]
=. by-group (~(put by by-group) path links)
:: do generic submission logic
::
=^ cards state
(hear-submission path [our.bowl page])
:: send updates to subscribers
::
:_ state
:_ cards
:+ %give %fact
:+ [%local-pages path]~
%link-update
!>([%local-pages path [page]~])
:: +note-note: save a note for a url
::
++ note-note
|= [=path =url udon=@t]
^- (quip card _state)
:: add note to discussion ours
::
=/ urls (~(gut by discussions) path *(map ^url discussion))
=/ =discussion (~(gut by urls) url *discussion)
=/ =note [now.bowl udon]
=. ours.discussion [note ours.discussion]
=. urls (~(put by urls) url discussion)
=. discussions (~(put by discussions) path urls)
:: do generic comment logic
::
=^ cards state
(read-comment path url [our.bowl note])
:: send updates to subscribers
::
:_ state
^- (list card)
=/ fact
:- %link-update
!>([%annotations path url [note]~])
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:* [%give %fact [%annotations (snoc path url)]~ fact]
[%give %fact [%annotations path]~ fact]
cards
==
:: +hear-submission: record page someone else saved
::
++ hear-submission
|= [=path =submission]
^- (quip card _state)
?< =(~ path)
:: add link to group submissions
::
=/ =links (~(gut by by-group) path *links)
=. submissions.links [submission submissions.links]
=. by-group (~(put by by-group) path links)
:: add submission to global sites
::
=/ =site (site-from-url url.submission)
=. by-site (~(add ja by-site) site [path submission])
:: send updates to subscribers
::
:_ state
:_ ~
:+ %give %fact
:+ [%submissions path]~
%link-update
!>([%submissions path [submission]~])
:: +read-comment: record a comment someone else made
::
++ read-comment
|= [=path =url =comment]
^- (quip card _state)
:: add comment to url's discussion
::
=/ urls (~(gut by discussions) path *(map ^url discussion))
=/ =discussion (~(gut by urls) url *discussion)
=. comments.discussion [comment comments.discussion]
=. urls (~(put by urls) url discussion)
=. discussions (~(put by discussions) path urls)
:: send updates to subscribers
::
:_ state
^- (list card)
=/ fact
:- %link-update
!>([%discussions path url [comment]~])
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:~ [%give %fact [%discussions (snoc path url)]~ fact]
[%give %fact [%discussions path]~ fact]
==
::
:: reading
::
++ get-local-pages
|= =path
^- pages
ours:(~(gut by by-group) path *links)
::
++ get-submissions
|= =path
^- submissions
submissions:(~(gut by by-group) path *links)
::
++ get-annotations
|= =path
^- notes
ours:(get-discussion path)
::
++ get-discussions
|= =path
^- comments
comments:(get-discussion path)
::
++ get-discussion
|= =path
^- discussion
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=/ [=^path =url]
(split-discussion-path path)
=- (~(gut by -) url *discussion)
%+ ~(gut by discussions) path
*(map ^url discussion)
--