urbit/pkg/arvo/lib/metadata.hoon
2021-01-15 15:45:51 +10:00

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:: metadata: helpers for getting data from the metadata-store
::
/- *metadata-store
/+ resource
::
|_ =bowl:gall
++ app-paths-from-group
|= [=app-name group=resource]
^- (list resource)
%+ murn
%~ tap in
=- (~(gut by -) group ~)
.^ (jug resource md-resource)
%gy
(scot %p our.bowl)
%metadata-store
(scot %da now.bowl)
/group-indices
==
|= =md-resource
^- (unit resource)
?. =(app-name.md-resource app-name) ~
`resource.md-resource
::
++ app-metadata-for-group
|= [group=resource =app-name]
=/ =associations
(metadata-for-group group)
%- ~(gas by *^associations)
%+ skim ~(tap by associations)
|=([=md-resource association] =(app-name app-name.md-resource))
::
++ metadata-for-group
|= group=resource
.^ associations
%gx (scot %p our.bowl) %metadata-store (scot %da now.bowl)
%group (snoc (en-path:resource group) %noun)
==
::
++ md-resources-from-group
|= group=resource
=- (~(get ju -) group)
.^ (jug resource md-resource)
%gy
(scot %p our.bowl)
%metadata-store
(scot %da now.bowl)
/group-indices
==
::
++ peek-association
|= [app-name=term rid=resource]
.^ (unit association)
%gx (scot %p our.bowl) %metadata-store (scot %da now.bowl)
%metadata app-name (snoc (en-path:resource rid) %noun)
==
::
++ peek-metadata
|= =md-resource
%+ bind (peek-association md-resource)
|=(association metadata)
::
++ peek-group
|= =md-resource
^- (unit resource)
%+ bind (peek-association md-resource)
|=(association group)
--