urbit/ape/twit.hoon
2015-12-20 03:48:17 -08:00

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:: Twitter daemon
::
:::: /hook#core#twit#app
::
/- twitter
/+ twitter, talk
::
:::: ~fyr
::
[twitter .]
|%
++ twit-path :: valid peer path
$% :: [%home $~] :: home timeline
{$user p+@t $~} :: user's tweets
{$post p+span $~} :: status of status
==
::
++ axle :: app state
$: $0
kes+(map span keys:twit-do) :: auth
out+(map @uvI (each {span 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
$% {$them path $~ u+hiss} :: HTTP request
{$poke wire dock $talk-command command:talk} ::
{$wait path p+@da} :: timeout
== ==
::
++ sign :: arvo response
$% {$e $thou p+httr} :: HTTP result
{$t $wake $~} :: timeout ping
==
::
++ stat twit-stat :: recieved tweet
--
!:
::::
::
|_ {bowl axle}
++ any-auth ?~(kes (auth) (auth p.n.kes)) :: use any keys
++ auth :: build API door
|= a+span
~| [%no-auth a]
~(. twit (~(got by kes) a) now `@`eny)
::
++ cull :: remove seen tweets
|= {pax+path rep+(list stat)} ^+ rep
=+ pev=(sa (turn (~(get ja fed) pax) |=(stat id)))
(skip rep |=(stat (~(has in pev) id)))
::
++ done [*(list move) .]
++ dely :: next polling timeout
|= pax+path
^- {(unit time) _ran}
=+ cur=(~(get by ran) pax)
=+ tym=(add now (mul ~s8 (bex ?~(cur 0 p.u.cur))))
:: ~& dely#`@dr`(sub tym now)
?: &(?=(^ cur) (gte tym q.u.cur) (gth q.u.cur now))
[~ ran]
[`tym (~(put by ran) pax ?~(cur 0 (min 5 +(p.u.cur))) tym)]
::
++ wait :: ensure poll by path
|= {pax+path mof+(list move)}
=^ tym ran (dely pax)
:_ +>.$
?~ tym
:: ~& no-wait#ran
mof
:: ~& will-wait#u.tym
:- [ost %wait pax u.tym]
mof
::
++ poke-twit-do :: recieve request
|= act+twit-do
^+ [*(list move) +>]
?- -.q.act
$auth
:- [(print "authed @{(trip p.act)}")]~
+>.$(kes (~(put by kes) p.act p.q.act)) :: XX verify key
$post
=: out (~(put by out) p.q.act %& p.act q.q.act)
ran (~(del by ran) /peer#home)
==
%+ wait /peer#home
=+ mez=(stat-upda:(auth p.act) [%status q.q.act]~ ~)
[ost %them /post#(scot %uv p.q.act) ~ mez]~
==
::
++ wake-peer
|= {pax+path ~} ^+ done
~& twit-wake#peer#pax
:_ +>.$
?. (~(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 | our pax)
::
++ thou
|= {pax+path hit+httr} ^+ done
?+ p.hit ~|([%unknown-code p.hit] !!)
429 :: Rate-limit
=. 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]~)
::
200 :: OK
=+ jon=(need (poja q:(need r.hit)))
:: ~& twit-resp#%.(jon ?+(-.jon !! %o stat:twir, %a (ar:jo stat:twir)))
?+ pax ~|([%http-missed pax] !!)
{$post @ $~} :: post acknowledged
=+ ^= rep
~| [%bad-post jon]
(need %.(jon stat:twir))
=. out (~(put by out) (slav %uv i.t.pax) %| rep)
:_ +>.$
=+ pax=/[who.rep]/status#(rsh 3 2 (scot %ui id.rep))
:- (print (earn [& ~ `/com#twitter] `pax ~))
(spam pax (tweet-good rep))
::
{$peer *} :: feed data
=+ ^= rep
~| [%bad-feed jon]
(need %.(jon (ar:jo stat:twir)))
:: ~& got-feed#[(scag 5 (turn rep |=(stat id))) fed]
=+ ren=(cull t.pax rep) :: new messages
?~ ren
(wait pax ~) :: pump polling
:: ~& spam-feed#ren
=: ran (~(del by ran) pax) :: clear poll delay
fed (~(put by fed) t.pax rep) :: saw last message
==
(wait pax (spam t.pax [%diff twit-feed#(flop ren)] ~))
==
::
?($400 $401 $403 $404) :: Err
=+ ^- git+gift
=+ err=%.(q:(need r.hit) ;~(biff poja mean:twir))
:^ %diff %ares %bad-http
[leaf#"HTTP Code {<p.hit>}" (turn (need err) mean:twip)]
?+ pax [[ost git]~ +>.$]
{$post @ ~}
[(spam pax git ~) +>.$]
==
==
++ tweet-good |=(rep+stat `(list gift)`~[[%diff %twit-stat rep] [%quit ~]])
++ peer |=(pax+path :_(+> (pear & src pax))) :: accept subscription
++ pear :: poll, possibly returning current data
|= {ver+? @ pax+path}
^- (list move)
?. ?=(twit-path pax)
~|([%missed-path pax] !!)
=> .(pax `twit-path`pax)
?: ?=($post -.pax)
?. ver ~
=+ sta=(~(get by out) (slav %uv p.pax))
?. ?=({$~ $| ^} sta) :: post not received
~
~[[ost %diff %twit-stat p.u.sta] [ost %quit ~]]
=+ ole=(~(get ja fed) pax)
:_ ^- (list move)
?. ver ~
?~ ole ~
[ost %diff %twit-feed (flop ole)]~
=- `move`[ost %them peer#pax ~ `hiss`-]
=+ opt=?~(ole ~ ['since_id' (lutt:twit id.i.ole)]~)
=+ aut=any-auth
?- -.pax
$user (stat-user:aut [(to-sd p.pax)]~ opt)
:: $home (stat-home:auth ~ opt)
==
::
++ to-sd :: parse user name#numb
|= a+span ^- sd:twit
~| [%not-user a]
%+ rash a
;~(pose (stag %user-id dem) (stag %screen-name user:twir))
::
:: ++ pull :: release subscription
:: |= ost+bone
:: ?. (~(has by sup) ost) `+>.$ :: 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))
%+ turn (~(tap by sup))
|= {ost+bone @ pax+path}
?. =(pax a) ~
(turn b |=(c+gift [ost c]))
::
++ print
|= mes+tape
[ost %poke / [our %talk] (said:^talk our %twit now eny leaf#mes ~)]
--