mirror of
https://github.com/urbit/shrub.git
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500 lines
13 KiB
Plaintext
500 lines
13 KiB
Plaintext
/- *group, metadata=metadata-store
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/+ store=graph-store, mdl=metadata, res=resource, graph, group, default-agent,
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dbug, verb, push-hook, agentio
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::
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~% %graph-push-hook-top ..part ~
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|%
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+$ card card:agent:gall
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++ config
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^- config:push-hook
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:* %graph-store
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/updates
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update:store
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%graph-update
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%graph-pull-hook
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2 2
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==
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::
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+$ agent (push-hook:push-hook config)
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::
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+$ state-null ~
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+$ state-zero [%0 marks=(set mark)]
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+$ state-one [%1 ~]
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+$ versioned-state
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$@ state-null
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$% state-zero
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state-one
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==
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::
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+$ cache
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$: graph-to-md=(map resource:res association:metadata)
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graph-to-mark=(map resource:res (unit mark))
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perm-marks=(map [mark @tas] tube:clay)
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transform-marks=(map mark tube:clay)
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==
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::
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+$ inflated-state
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$: state-one
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cache
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==
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::
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+$ cache-action
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$% [%graph-to-md (pair resource:res association:metadata)]
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[%graph-to-mark (pair resource:res (unit mark))]
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[%perm-marks (pair (pair mark @tas) tube:clay)]
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[%transform-marks (pair mark tube:clay)]
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==
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--
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::
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%- agent:dbug
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%+ verb |
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^- agent:gall
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%- (agent:push-hook config)
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^- agent
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=-
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~% %graph-push-hook-agent ..scry.hook-core ~
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=| inflated-state
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=* state -
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|_ =bowl:gall
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+* this .
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def ~(. (default-agent this %|) bowl)
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grp ~(. group bowl)
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gra ~(. graph bowl)
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met ~(. mdl bowl)
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hc ~(. hook-core bowl +.state)
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io ~(. agentio bowl)
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::
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++ on-init on-init:def
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++ on-save !>(-.state)
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++ on-load
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|= =vase
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=+ !<(old=versioned-state vase)
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=? old ?=(~ old)
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[%0 ~]
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=? old ?=(%0 -.old)
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[%1 ~]
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?> ?=(%1 -.old)
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`this(-.state old, +.state *cache)
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::
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++ on-poke
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|= [=mark =vase]
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^- (quip card _this)
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?. =(mark %gph-cache-action)
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[~ this]
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=/ a=cache-action !<(cache-action vase)
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=* c +.state
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=* graph-to-md graph-to-md.c
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=* graph-to-mark graph-to-mark.c
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=* perm-marks perm-marks.c
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=* transform-marks transform-marks.c
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=. c
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?- -.a
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%graph-to-md c(graph-to-md (~(put by graph-to-md) p.a q.a))
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%graph-to-mark c(graph-to-mark (~(put by graph-to-mark) p.a q.a))
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%perm-marks c(perm-marks (~(put by perm-marks) p.a q.a))
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%transform-marks c(transform-marks (~(put by transform-marks) p.a q.a))
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==
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[~ this(+.state c)]
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::
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++ on-agent on-agent:def
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++ on-watch on-watch:def
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++ on-leave on-leave:def
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++ on-peek on-peek:def
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++ on-arvo
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|= [=wire =sign-arvo]
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^- (quip card _this)
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?+ wire (on-arvo:def wire sign-arvo)
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:: XX: no longer necessary
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::
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[%perms @ @ ~] [~ this]
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[%transform-add @ ~] [~ this]
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==
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::
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++ on-fail on-fail:def
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++ transform-proxy-update
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~/ %transform-proxy-update
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|= vas=vase
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^- (quip card (unit vase))
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=/ =update:store !<(update:store vas)
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=* rid resource.q.update
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=. p.update now.bowl
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?- -.q.update
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%add-nodes
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=| cards=(list card)
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=^ allowed cards (is-allowed-add:hc rid nodes.q.update)
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?. allowed
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[cards ~]
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=/ mark-cached (~(has by graph-to-mark) rid)
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=/ mark
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?: mark-cached
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(~(got by graph-to-mark) rid)
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(get-mark:gra rid)
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?~ mark
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[cards `vas]
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=< $
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~% %transform-add-nodes ..transform-proxy-update ~
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|%
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++ $
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^- (quip card (unit vase))
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:: TODO: scries are slow, we should find a way to cache this so as
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:: not to need to fetch it continually in the hot path
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=/ transform-cached (~(has by transform-marks) u.mark)
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=/ =tube:clay
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?: transform-cached
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(~(got by transform-marks) u.mark)
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.^(tube:clay (scry:hc %cc %home /[u.mark]/transform-add-nodes))
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=/ transform
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!< $-([index:store post:store atom ?] [index:store post:store])
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%. !>(*indexed-post:store)
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tube
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=/ [* result=(list [index:store node:store])]
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%+ roll
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(flatten-node-map ~(tap by nodes.q.update))
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(transform-list transform)
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=. nodes.q.update
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%- ~(gas by *(map index:store node:store))
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result
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:_ [~ !>(update)]
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%+ weld cards
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%- zing
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:~ ?: mark-cached ~
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:_ ~
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%+ poke-self:pass:io %gph-cache-action
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!> ^- cache-action
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[%graph-to-mark rid mark]
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::
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?: transform-cached ~
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:_ ~
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%+ poke-self:pass:io %gph-cache-action
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!> ^- cache-action
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[%transform-marks u.mark tube]
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==
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::
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++ flatten-node-map
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~/ %flatten-node-map
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|= lis=(list [index:store node:store])
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^- (list [index:store node:store])
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|^
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%- sort-nodes
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%+ welp
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(turn lis empty-children)
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%- zing
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%+ turn lis
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|= [=index:store =node:store]
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^- (list [index:store node:store])
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?: ?=(%empty -.children.node)
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~
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%+ turn
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(tap-deep:gra index p.children.node)
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empty-children
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::
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++ empty-children
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|= [=index:store =node:store]
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^- [index:store node:store]
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[index node(children [%empty ~])]
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::
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++ sort-nodes
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|= unsorted=(list [index:store node:store])
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^- (list [index:store node:store])
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%+ sort unsorted
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|= [p=[=index:store *] q=[=index:store *]]
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^- ?
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(lth (lent index.p) (lent index.q))
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--
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::
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++ transform-list
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~/ %transform-list
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|= transform=$-([index:store post:store atom ?] [index:store post:store])
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|= $: [=index:store =node:store]
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[indices=(set index:store) lis=(list [index:store node:store])]
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==
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~| "cannot put a deleted post into %add-nodes {<post.node>}"
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?> ?=(%& -.post.node)
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=/ l (lent index)
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=/ parent-modified=?
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%- ~(rep in indices)
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|= [i=index:store out=_|]
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?: out out
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=/ k (lent i)
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?: (lte l k)
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%.n
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=((swag [0 k] index) i)
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=/ [ind=index:store =post:store]
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(transform index p.post.node now.bowl parent-modified)
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:- (~(put in indices) index)
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(snoc lis [ind node(p.post post)])
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--
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::
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%remove-posts
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=| cards=(list card)
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=^ allowed cards
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(is-allowed-remove:hc rid indices.q.update)
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:- cards
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?. allowed
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~
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`vas
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::
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%add-graph [~ ~]
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%remove-graph [~ ~]
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%add-signatures [~ ~]
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%remove-signatures [~ ~]
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%archive-graph [~ ~]
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%unarchive-graph [~ ~]
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%add-tag [~ ~]
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%remove-tag [~ ~]
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%keys [~ ~]
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%tags [~ ~]
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%tag-queries [~ ~]
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%run-updates [~ ~]
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==
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::
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++ resource-for-update resource-for-update:gra
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::
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++ initial-watch
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~/ %initial-watch
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|= [=path =resource:res]
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^- vase
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|^
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?> (is-allowed resource)
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!> ^- update:store
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?~ path
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:: new subscribe
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::
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(get-graph:gra resource)
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:: resubscribe
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::
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?~ (get-update-log:gra resource)
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(get-graph:gra resource)
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=/ =time (slav %da i.path)
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=/ =update-log:store (get-update-log-subset:gra resource time)
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[now.bowl [%run-updates resource update-log]]
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::
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++ is-allowed
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|= =resource:res
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=/ group-res=resource:res
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(need (peek-group:met %graph resource))
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(is-member:grp src.bowl group-res)
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--
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::
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++ take-update
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|= =vase
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^- [(list card) agent]
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=/ =update:store !<(update:store vase)
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?+ -.q.update [~ this]
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%remove-graph
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:_ this
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[%give %kick ~[resource+(en-path:res resource.q.update)] ~]~
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::
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%archive-graph
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:_ this
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[%give %kick ~[resource+(en-path:res resource.q.update)] ~]~
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==
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--
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::
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~% %graph-push-hook-helper ..card.hook-core ~
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^= hook-core
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|_ [=bowl:gall =cache]
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+* grp ~(. group bowl)
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met ~(. mdl bowl)
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gra ~(. graph bowl)
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io ~(. agentio bowl)
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::
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++ scry
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|= [care=@t desk=@t =path]
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%+ weld
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/[care]/(scot %p our.bowl)/[desk]/(scot %da now.bowl)
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path
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::
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++ perm-mark
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|= [=resource:res perm=@t vip=vip-metadata:metadata =indexed-post:store]
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^- [permissions:store (list card)]
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|^
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=/ mark-cached (~(has by graph-to-mark.cache) resource)
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=/ mark
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?: mark-cached
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(~(got by graph-to-mark.cache) resource)
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(get-mark:gra resource)
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?~ mark
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[[%no %no %no] ~]
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=/ key [u.mark (perm-mark-name perm)]
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=/ perms-cached (~(has by perm-marks.cache) key)
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=/ =tube:clay
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?: perms-cached
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(~(got by perm-marks.cache) key)
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.^(tube:clay (scry %cc %home /[u.mark]/(perm-mark-name perm)))
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=/ check
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!< $-(vip-metadata:metadata permissions:store)
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(tube !>(indexed-post))
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:- (check vip)
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%- zing
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:~ ?: mark-cached ~
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:_ ~
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%+ poke-self:pass:io %gph-cache-action
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!> ^- cache-action
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[%graph-to-mark resource mark]
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::
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?: perms-cached ~
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:_ ~
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%+ poke-self:pass:io %gph-cache-action
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!> ^- cache-action
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[%perm-marks [u.mark (perm-mark-name perm)] tube]
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==
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::
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++ perm-mark-name
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|= perm=@t
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^- @t
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(cat 3 'graph-permissions-' perm)
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--
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::
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++ get-permission
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|= [=permissions:store is-admin=? writers=(set ship)]
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^- permission-level:store
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?: is-admin
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admin.permissions
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?: =(~ writers)
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writer.permissions
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?: (~(has in writers) src.bowl)
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writer.permissions
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reader.permissions
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::
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++ get-roles-writers-variation
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~/ %get-roles-writers-variation
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|= =resource:res
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^- (unit [is-admin=? writers=(set ship) vip=vip-metadata:metadata])
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=/ assoc=(unit association:metadata)
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?: (~(has by graph-to-md.cache) resource)
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(~(get by graph-to-md.cache) resource)
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(peek-association:met %graph resource)
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?~ assoc ~
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=. graph-to-md.cache
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(~(put by graph-to-md.cache) resource u.assoc)
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=/ group=(unit group:grp)
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(scry-group:grp group.u.assoc)
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?~ group ~
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=/ role=(unit (unit role-tag))
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(role-for-ship-with-group:grp u.group group.u.assoc src.bowl)
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=/ writers=(set ship)
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%^ get-tagged-ships-with-group:grp
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u.group
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group.u.assoc
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[%graph resource %writers]
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?~ role ~
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=/ is-admin=?
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?=(?([~ %admin] [~ %moderator]) u.role)
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`[is-admin writers vip.metadatum.u.assoc]
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::
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++ node-to-indexed-post
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|= =node:store
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^- indexed-post:store
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?> ?=(%& -.post.node)
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=* index index.p.post.node
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[(snag (dec (lent index)) index) p.post.node]
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::
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++ is-allowed-add
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~/ %is-allowed-add
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|= [=resource:res nodes=(map index:store node:store)]
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^- [? (list card)]
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:: TODO: extremely slow due to scries. This takes about ~30ms per
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:: %add-nodes event.
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|^
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%- (bond |.([%.n ~]))
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%+ biff (get-roles-writers-variation resource)
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|= [is-admin=? writers=(set ship) vip=vip-metadata:metadata]
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^- (unit [? (list card)])
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%- some
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=/ a ~(tap by nodes)
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=| cards=(list card)
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|- ^- [? (list card)]
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?~ a [& cards]
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=/ c (check i.a is-admin writers vip)
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=. cards (weld cards +.c)
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?. -.c [| cards]
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$(a t.a)
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::
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++ check
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|= $: [=index:store =node:store]
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is-admin=?
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writers=(set ship)
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vip=vip-metadata:metadata
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==
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^- [? (list card)]
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=/ parent-index=index:store
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(scag (dec (lent index)) index)
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?: (~(has by nodes) parent-index)
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[%.y ~]
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?: ?=(%| -.post.node)
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[%.n ~]
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?. =(author.p.post.node src.bowl)
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[%.n ~]
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:: TODO: these scries are slow, find a way to persistently cache them
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=/ added
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%^ add-mark resource vip
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(node-to-indexed-post node)
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=* permissions -.added
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=* cards +.added
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=/ =permission-level:store
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(get-permission permissions is-admin writers)
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:_ cards
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?- permission-level
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%yes %.y
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%no %.n
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::
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%self
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=/ parent-node=node:store
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(got-node:gra resource parent-index)
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?: ?=(%| -.post.parent-node)
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%.n
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=(author.p.post.parent-node src.bowl)
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==
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::
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++ add-mark
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|= [=resource:res vip=vip-metadata:metadata =indexed-post:store]
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(perm-mark resource %add vip indexed-post)
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--
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::
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++ is-allowed-remove
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~/ %is-allowed-remove
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|= [=resource:res indices=(set index:store)]
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^- [? (list card)]
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|^
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%- (bond |.([%.n ~]))
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%+ biff (get-roles-writers-variation resource)
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|= [is-admin=? writers=(set ship) vip=vip-metadata:metadata]
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%- some
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=/ a ~(tap by indices)
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=| cards=(list card)
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|- ^- [? (list card)]
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?~ a [& cards]
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=/ c (check i.a is-admin writers vip)
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=. cards (weld cards +.c)
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?. -.c [| cards]
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$(a t.a)
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::
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++ check
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|= [=index:store is-admin=? writers=(set ship) vip=vip-metadata:metadata]
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^- [? (list card)]
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=/ =node:store
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(got-node:gra resource index)
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?: ?=(%| -.post.node)
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[%.n ~]
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=/ removed
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%^ remove-mark resource vip
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(node-to-indexed-post node)
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=* permissions -.removed
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=* cards +.removed
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=/ =permission-level:store
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(get-permission permissions is-admin writers)
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:_ cards
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?- permission-level
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%yes %.y
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%no %.n
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%self =(author.p.post.node src.bowl)
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==
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::
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++ remove-mark
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|= [=resource:res vip=vip-metadata:metadata =indexed-post:store]
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(perm-mark resource %remove vip indexed-post)
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--
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--
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