urbit/ape/twit.hoon
2015-06-19 17:16:48 -04:00

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:: Twitter daemon
::
:::: /hook/core/twit/app
::
/- *twitter
/+ twitter, talk
::
:::: ~fyr
::
|%
++ twit-path :: valid peer path
$% :: [%home ~] :: home timeline
[%user p=@t ~] :: user's tweets
[%post p=span:,@uv ~] :: 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 our %twit now eny leaf/mes ~)])
--