urbit/pkg/arvo/ted/graph/leave.hoon
2021-02-01 14:07:39 +10:00

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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 ,resource)
^- form:m
;< group=(unit resource) bind:m
%+ scry:strandio ,(unit resource)
;: weld
/gx/metadata-store/resource/graph
(en-path:resource rid)
/noun
==
(pure:m (need group))
::
++ scry-group
|= rid=resource
=/ m (strand ,group)
^- form:m
;< ugroup=(unit group) bind:m
%+ scry:strandio ,(unit group)
;: weld
/gx/group-store/groups
(en-path:resource rid)
/noun
==
(pure:m (need ugroup))
::
++ delete-graph
|= [now=time rid=resource]
=/ m (strand ,~)
^- form:m
;< ~ bind:m
(poke-our %graph-pull-hook %pull-hook-action !>([%remove rid]))
;< ~ bind:m
(poke-our %graph-store %graph-update !>([%0 now [%remove-graph rid]]))
(pure:m ~)
--
::
^- thread:spider
|= arg=vase
=/ m (strand ,vase)
^- form:m
=+ !<([~ =action:graph-view] arg)
?> ?=(%leave -.action)
;< =bowl:spider bind:m get-bowl:strandio
?: =(our.bowl entity.rid.action)
(strand-fail:strandio %bad-request ~)
;< group-rid=resource bind:m (scry-metadata rid.action)
;< g=group bind:m (scry-group group-rid)
?. hidden.g
;< ~ bind:m (delete-graph now.bowl rid.action)
(pure:m !>(~))
;< =thread-result:strandio bind:m
(await-thread:strandio %group-leave !>([%leave rid.action]))
(pure:m !>(~))