shrub/pkg/arvo/ted/graph/join.hoon

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/- spider, graph-view, graph=graph-store, *metadata-store, *group
/+ strandio, resource
=>
|%
++ strand strand:spider
++ poke poke:strandio
++ poke-our poke-our:strandio
++ scry-metadata
|= rid=resource
=/ m (strand ,(unit resource))
;< pax=(unit path) bind:m
%+ scry:strandio ,(unit path)
;: weld
/gx/metadata-store/resource/graph
(en-path:resource rid)
/noun
==
(pure:m (bind pax de-path:resource))
--
^- thread:spider
|= arg=vase
=/ m (strand ,vase)
^- form:m
=+ !<(=action:graph-view arg)
?> ?=(%join -.action)
;< =bowl:spider bind:m get-bowl:strandio
?< =(our.bowl entity.rid.action)
;< group=(unit resource) bind:m
(scry-metadata rid.action)
?^ group
:: We have group, graph is managed
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;< ~ bind:m
%+ poke-our %graph-pull-hook
pull-hook-action+!>([%add ship.action rid.action])
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(pure:m !>(~))
:: Else, add group then join
;< ~ bind:m
%+ poke
[ship.action %group-push-hook]
group-update+!>([%add-members rid.action (sy our.bowl ~)])
::
;< ~ bind:m
%+ poke-our %group-pull-hook
pull-hook-action+!>([%add ship.action rid.action])
::
;< ~ bind:m
%+ poke-our %metadata-hook
metadata-hook-action+!>([%add-synced ship.action rid.action])
;< ~ bind:m
(poke-our %graph-pull-hook %pull-hook-action !>([%add ship.action rid.action]))
(pure:m !>(~))