shrub/pkg/arvo/mar/graph/validator/link.hoon

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/- *post, met=metadata-store, graph=graph-store, hark=hark-graph-hook
|_ i=indexed-post
++ grow
|%
++ noun i
::
++ graph-permissions-add
|= vip=vip-metadata:met
^- permissions:graph
=/ reader
?=(%reader-comments vip)
?+ index.p.i !!
[@ ~] [%yes %yes %no]
[@ @ ~] [%yes %yes ?:(reader %yes %no)]
[@ @ @ ~] [%self %self %self]
==
::
++ graph-permissions-remove
|= vip=vip-metadata:met
^- permissions:graph
=/ reader
?=(%reader-comments vip)
?+ index.p.i !!
[@ ~] [%yes %self %self]
[@ @ ~] [%yes %self %self]
[@ @ @ ~] [%yes %self %self]
==
::
++ notification-kind
^- (unit notif-kind:hark)
?+ index.p.i ~
[@ ~] `[%link [0 1] %each %children]
[@ @ %1 ~] `[%comment [1 2] %count %siblings]
==
::
++ transform-add-nodes
|= [=index =post =atom was-parent-modified=?]
^- [^index ^post]
=- [- post(index -)]
?+ index ~|(transform+[index post] !!)
[@ ~] [atom ~]
[@ @ ~] [i.index atom ~]
[@ @ @ ~]
?: was-parent-modified
[i.index atom i.t.t.index ~]
index
==
--
++ grab
|%
++ noun
|: p=`*`%*(. *indexed-post index.p [0 0 ~])
=/ ip ;;(indexed-post p)
?+ index.p.ip ~|(index+index.p.ip !!)
:: top-level link post; title and url
::
[@ ~]
?> ?=([[%text @] $%([%url @] [%reference *]) ~] contents.p.ip)
ip
::
:: comment on link post; container structure
::
[@ @ ~]
?> ?=(~ contents.p.ip)
ip
::
:: comment on link post; comment text
::
[@ @ @ ~]
?> ?=(^ contents.p.ip)
ip
==
--
++ grad %noun
--