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39a6455001
urbit/app/twit.hoon
Anton Dyudin 39a6455001 better encapsulation of poll delays
2016-03-18 15:16:47 -07:00

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:: Twitter daemon
::
:::: /hook/core/twit/app
::
/+ twitter, talk
::
:::: ~fyr
::
|%
++ twit-path :: valid peer path
$% :: {$home $~} :: home timeline
{$user p/@t $~} :: user's tweets
{$post p/@taxuv $~} :: status of status
==
::
++ axle :: app state
$: $0
out/(map @uvI (each {knot cord} stat)) :: sent tweets
ran/(map path {p/@ud q/@da}) :: polls active
fed/(jar path stat) :: feed cache
==
::
++ gift :: subscription action
$% {$quit $~} :: terminate
{$diff gilt} :: send data
==
++ gilt
$% {$twit-feed p/(list stat)} :: posts in feed
{$twit-stat p/stat} :: tweet accepted
{$ares term (list tank)}
==
::
++ move {bone card}
++ card :: arvo request
$? gift
$% {$hiss wire (unit iden) api-call} :: api request
{$poke wire dock $talk-command command:talk} ::
{$wait wire p/@da} :: timeout
== ==
::
++ api-call {response-mark $twit-req {endpoint quay}} :: full hiss payload
++ response-mark ?($twit-status $twit-feed) :: sigh options
++ sign :: arvo response
$% {$e $thou p/httr} :: HTTP result
{$t $wake $~} :: timeout ping
==
::
:: XX =*
++ stat stat:twitter :: recieved tweet
++ command command:twitter :: incoming command
++ endpoint endpoint:reqs:twitter :: outgoing target
++ param param:reqs:twitter :: twit-req paramters
++ print print:twitter :: their serialization
++ parse parse:twitter :: and deserialization
::
:: ++ twit args:reqs:twitter :: arugment types
:: ++ twir parse:twitter :: reparsers
:: ++ twip print:twitter :: printers
--
!:
::::
::
|_ {bowl axle}
::
++ cull :: remove seen tweets
|= {pax/path rep/(list stat)} ^+ rep
=+ pev=(silt (turn (~(get ja fed) pax) |=(stat id)))
(skip rep |=(stat (~(has in pev) id)))
::
++ done [*(list move) .]
++ dely :: next polling timeout
|= pax/path
^- {(unit time) _ran}
=+ cur=(~(get by ran) pax)
=+ tym=(add now (mul ~s8 (bex ?~(cur 0 p.u.cur))))
:: ~& dely/`@dr`(sub tym now)
?: &(?=(^ cur) (gte tym q.u.cur) (gth q.u.cur now))
[~ ran]
[`tym (~(put by ran) pax ?~(cur 0 (min 5 +(p.u.cur))) tym)]
::
++ wait-new :: poll with min delay
|= {pax/path mof/(list move)}
(wait(ran (~(del by ran) pax)) pax mof)
::
++ wait :: ensure poll by path
|= {pax/path mof/(list move)} ^+ done
=^ tym ran (dely pax)
:_ +>.$
?~ tym
:: ~& no-wait/ran
mof
:: ~& will-wait/u.tym
:- [ost %wait pax u.tym]
mof
::
++ poke-twit-do :: recieve request
|= {usr/knot act/command} ^+ done
?- -.act
$post
=. out (~(put by out) p.act %& usr q.act)
%+ wait-new /peer/home
=+ req=[%twit-req `endpoint`stat-upda+[%status q.act]~ ~]
[ost %hiss post+(dray ~[%uv] p.act) `usr %twit-status req]~
==
::
++ wake-peer
|= {pax/path $~} ^+ done
~& twit-wake+peer+pax
:_ +>.$
?. (~(has by ran) peer+pax) :: ignore if retracted
~
=+ => |=({a/bone @ b/path} [b a])
pus=(~(gas ju *(jug path bone)) (turn (~(tap by sup)) .))
?~ (~(get ju pus) pax)
~
~& peer-again+[pax ran]
(pear | `~. pax) ::(user-from-path pax))
::
:: XX parse from stack trace?
:: ++ sigh-429 :: Rate-limit
:: |= {pax/path hit/httr}
:: =. ran (~(put by ran) pax 6 now)
:: =+ lim=%.(%x-rate-limit-reset ;~(biff ~(get by (mo q.hit)) poja ni:jo))
:: =+ tym=?~(lim (add ~m7.s30 now) (add ~1970.1.1 (mul ~s1 u.lim)))
:: ~& retrying-in+`@dr`(sub tym now)
:: :_(+>.$ [ost %wait pax tym]~)
::
++ sigh-twit-status-post :: post acknowledged
|= {wir/wire rep/stat} ^+ done
=+ (raid wir mez=%uv ~)
=. out (~(put by out) mez %| rep)
:_ +>.$
=+ pax=/[who.rep]/status/(rsh 3 2 (scot %ui id.rep))
:- (show-url [& ~ &+/com/twitter] `pax ~)
%+ weld (spam post+wir (tweet-good rep))
(spam scry+x+post+wir (tweet-good rep))
::
++ sigh-twit-feed :: feed data
|= {wir/wire rep/(list stat)} ^+ done
?> ?=({?($peer $scry) *} wir)
=* pax t.wir
:: ~& got-feed+[(scag 5 (turn rep |=(stat id))) fed]
=+ ren=(cull pax rep) :: new messages
=. rep (weld ren (~(get ja fed) pax))
=. fed (~(put by fed) pax rep) :: save full list
?: ?=($scry -.wir)
[(spam scry+x+pax [%diff twit-feed+(flop rep)] [%quit ~] ~) +>.$]
?~ ren
(wait wir ~) :: pump polling
:: ~& spam-feed+ren
(wait-new wir (spam pax [%diff twit-feed+(flop ren)] ~))
::
++ sigh-tang :: Err
|= {pax/path tan/tang} ^+ done
~& sigh-tang+pax
%- (slog (flop tan))
=+ ^- git/gift
=+ err='' ::%.(q:(need r.hit) ;~(biff poja mean:twir)) :: XX parse?
:^ %diff %ares %bad-http
tan
:: [leaf/"HTTP Code {<p.hit>}" (turn (need err) mean:render:twit)]
?+ pax [[ost git]~ +>.$]
{$post @ $~}
[(spam pax git ~) +>.$]
==
::
:: ++ user-to-path |=(a/(unit iden) ?~(a '~' (scot %ta u.a)))
:: ++ user-from-path
:: |= pax/path ^- {(unit iden) path}
:: ~| %bad-user
:: ?~ pax ~|(%empty-path !!)
:: ~| i.pax
:: ?: =('~' i.pax) [~ t.pax]
:: [`(slav %ta i.pax) t.pax]
::
::
:: .^(twit-feed %gx /=twit=/~/user/urbit_test)
:: .^(twit-stat %gx /=twit=/~./post/0vv0old.0post.hash0.0000)
++ peek
|= {ren/care pax/path} ^- (unit (unit gilt))
?> ?=($x ren) :: others unsupported
=+ usr=`~. :: =^ usr pax (user-from-path pax)
?. ?=(twit-path pax)
~|([%missed-path pax] !!)
=+ gil=(pear-scry pax)
?- -.gil
$none ~
$part ~ :: stale data
$full ``p.gil
==
::
++ peer-scry-x
|= pax/path ^+ done
:_ +>
=+ pek=(peek %x pax)
?^ pek
?~ u.pek ~|(bad-scry+x+pax !!)
~[[ost %diff u.u.pek] [ost %quit ~]]
=+ usr=`~. :: =^ usr pax (user-from-path pax)
?. ?=(twit-path pax)
~|([%missed-path pax] !!)
=+ hiz=(pear-hiss pax)
?~ hiz ~ :: already in flight
[ost %hiss scry+pax usr u.hiz]~
::
++ tweet-good |=(rep/stat `(list gift)`~[[%diff %twit-stat rep] [%quit ~]])
++ peer |=(pax/path :_(+> (pear & `~. pax))) :: accept subscription
++ pear :: poll, possibly returning current data
|= {ver/? usr/(unit iden) pax/path}
^- (list move)
?. ?=(twit-path pax)
~|([%missed-path pax] !!)
=+ gil=(pear-scry pax)
%+ welp
^- (list move)
?: ?=($full -.gil) ~ :: permanent result
=+ hiz=(pear-hiss pax)
?~ hiz ~
[ost %hiss peer+pax usr u.hiz]~
^- (list move)
?. ver ~
?- -.gil
$none ~
$part [ost %diff p.gil]~
$full ~[[ost %diff p.gil] [ost %quit ~]]
==
::
++ pear-scry
|= pax/twit-path ^- $%({$none $~} {$part p/gilt} {$full p/gilt})
?- -.pax
$post
=+ (raid +.pax mez=%uv ~)
~& [mez=mez out=out]
=+ sta=(~(get by out) mez)
?. ?=({$~ $| *} sta)
[%none ~]
[%full twit-stat+p.u.sta]
::
$user ::?($user $home)
[%part twit-feed+(flop (~(get ja fed) pax))]
==
::
++ pear-hiss
|= pax/twit-path ^- (unit api-call)
?- -.pax
$post ~ :: future/unacked
$user
=+ ole=(~(get ja fed) pax)
=+ opt=?~(ole ~ ['since_id' (tid:print id.i.ole)]~)
`[%twit-feed twit-req+[stat-user+[(to-sd p.pax)]~ opt]]
::
:: $home
:: =+ ole=(~(get ja fed) pax)
:: =+ opt=?~(ole ~ ['since_id' (tid:print id.i.ole)]~)
:: `[%twit-feed stat-home+~ opt]
==
::
++ to-sd :: parse user name/numb
|= a/knot ^- sd:param
~| [%not-user a]
%+ rash a
;~(pose (stag %user-id dem) (stag %screen-name user:parse))
::
:: ++ pull :: release subscription
:: |= ost/bone
:: ?. (~(has by sup) ost) `+>.$ :: XX should not occur
:: =+ [his pax]=(~(got by sup) ost)
:: ?: (lth 1 ~(wyt in (~(get ju pus) pax)))
:: `+>.$
:: =: ran (~(del by ran) [%peer pax])
:: fed (~(del by fed) pax)
:: ==
:: `+>.$
::
++ spam :: send by path
|= {a/path b/(list gift)} ^- (list move)
%- zing ^- (list (list move))
~& spam+[(turn b head) a]
~& (skim (~(tap by sup)) |=({@ @ pax/path} =(pax a)))
%+ turn (~(tap by sup))
|= {ost/bone @ pax/path}
?. =(pax a) ~
(turn b |=(c/gift [ost c]))
::
++ show-url ~(said-url talk `bowl`+<-)
--
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