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165 lines
3.6 KiB
Plaintext
165 lines
3.6 KiB
Plaintext
:: group-store: data store for groups of ships
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::
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/- *group-store
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/+ default-agent
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|%
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+$ card card:agent:gall
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::
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+$ versioned-state
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$% state-zero
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==
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::
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+$ state-zero
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$: %0
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=groups
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==
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::
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+$ diff
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$% [%group-update group-update]
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[%group-initial groups]
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==
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--
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::
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=| state-zero
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=* state -
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^- agent:gall
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=<
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|_ =bowl:gall
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+* this .
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group-core +>
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gc ~(. group-core bowl)
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def ~(. (default-agent this %|) 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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|= old=vase
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`this(state !<(state-zero old))
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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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?> (team:title our.bowl src.bowl)
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=^ cards state
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?: ?=(%group-action mark)
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(poke-group-action:gc !<(group-action vase))
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(on-poke:def mark vase)
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[cards this]
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::
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++ on-watch
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|= =path
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^- (quip card _this)
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?> (team:title our.bowl src.bowl)
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|^
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=/ cards=(list card)
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?+ path (on-watch:def path)
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[%all ~] (give %group-initial !>(groups))
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[%keys ~] (give %group-update !>([%keys ~(key by groups)]))
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[%group *]
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(give %group-update !>([%path (~(got by groups) t.path) t.path]))
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==
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[cards this]
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::
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++ give
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|= =cage
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^- (list card)
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[%give %fact ~ cage]~
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--
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::
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++ on-leave on-leave:def
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::
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++ on-peek
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|= =path
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^- (unit (unit cage))
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?+ path (on-peek:def path)
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[%x *] ``noun+!>((~(get by groups) t.path))
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==
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::
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++ on-agent on-agent:def
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++ on-arvo on-arvo:def
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++ on-fail on-fail:def
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--
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::
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|_ bol=bowl:gall
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::
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++ poke-group-action
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|= action=group-action
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^- (quip card _state)
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?> (team:title our.bol src.bol)
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?- -.action
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%add (handle-add action)
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%remove (handle-remove action)
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%bundle (handle-bundle action)
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%unbundle (handle-unbundle action)
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==
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::
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++ handle-add
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|= act=group-action
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^- (quip card _state)
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?> ?=(%add -.act)
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?~ pax.act
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[~ state]
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?. (~(has by groups) pax.act)
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[~ state]
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=/ members (~(got by groups) pax.act)
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=. members (~(uni in members) members.act)
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?: =(members (~(got by groups) pax.act))
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[~ state]
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:- (send-diff pax.act act)
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state(groups (~(put by groups) pax.act members))
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::
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++ handle-remove
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|= act=group-action
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^- (quip card _state)
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?> ?=(%remove -.act)
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?~ pax.act
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[~ state]
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?. (~(has by groups) pax.act)
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[~ state]
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=/ members (~(got by groups) pax.act)
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=. members (~(dif in members) members.act)
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?: =(members (~(got by groups) pax.act))
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[~ state]
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:- (send-diff pax.act act)
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state(groups (~(put by groups) pax.act members))
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::
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++ handle-bundle
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|= act=group-action
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^- (quip card _state)
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?> ?=(%bundle -.act)
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?~ pax.act
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[~ state]
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?: (~(has by groups) pax.act)
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[~ state]
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:- (send-diff pax.act act)
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state(groups (~(put by groups) pax.act *group))
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::
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++ handle-unbundle
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|= act=group-action
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^- (quip card _state)
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?> ?=(%unbundle -.act)
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?~ pax.act
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[~ state]
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?. (~(has by groups) pax.act)
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[~ state]
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:- (send-diff pax.act act)
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state(groups (~(del by groups) pax.act))
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::
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++ update-subscribers
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|= [pax=path act=group-action]
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^- (list card)
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[%give %fact `pax %group-update !>(act)]~
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::
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++ send-diff
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|= [pax=path act=group-action]
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^- (list card)
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%- zing
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:~ (update-subscribers /all act)
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(update-subscribers [%group pax] act)
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?. |(=(%bundle -.act) =(%unbundle -.act))
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~
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(update-subscribers /keys act)
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==
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::
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--
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