urbit/pkg/arvo/ted/md/on-add-group-feed.hoon

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/- spider, graph-view, met=metadata-store
/+ strandio
::
=* strand strand:spider
=* poke-our poke-our:strandio
::
^- thread:spider
|= arg=vase
=/ m (strand ,vase)
^- form:m
=+ !<([~ =update:met] arg)
?. ?=(%add -.update)
(pure:m !>(~))
;< =bowl:spider bind:m get-bowl:strandio
?: =(our.bowl entity.group.update)
(pure:m !>(~))
?. ?=(%group -.config.metadatum.update)
(pure:m !>(~))
?~ feed.config.metadatum.update
(pure:m !>(~))
?~ u.feed.config.metadatum.update
(pure:m !>(~))
=* feed u.u.feed.config.metadatum.update
;< ~ bind:m
%+ poke-our %spider
=- spider-start+!>([`tid.bowl ~ %graph-join -])
%+ slop !>(~)
!> ^- action:graph-view
[%join resource.feed entity.resource.feed]
(pure:m !>(~))