urbit/app/twit.hoon
2016-03-16 16:41:19 -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 {$~ $~} api-call} :: api request
{$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 $~} :: timeout ping
==
::
:: XX =*
++ stat stat:twitter :: recieved tweet
++ command command:twitter :: incoming command
++ endpoint endpoint:reqs:twitter :: outgoing target
++ param param:reqs:twitter :: twit-req paramters
++ print print:twitter :: their serialization
++ parse parse:twitter :: and deserialization
::
:: ++ twit args:reqs:twitter :: arugment types
:: ++ twir parse:twitter :: reparsers
:: ++ twip print:twitter :: printers
--
!:
::::
::
|_ {bowl axle}
::
++ cull :: remove seen tweets
|= {pax/path rep/(list stat)} ^+ rep
=+ pev=(silt (turn (~(get ja fed) pax) |=(stat id)))
(skip rep |=(stat (~(has in pev) id)))
::
++ done [*(list move) .]
++ dely :: next polling timeout
|= pax/path
^- {(unit time) _ran}
=+ cur=(~(get by ran) pax)
=+ tym=(add now (mul ~s8 (bex ?~(cur 0 p.u.cur))))
:: ~& dely/`@dr`(sub tym now)
?: &(?=(^ cur) (gte tym q.u.cur) (gth q.u.cur now))
[~ ran]
[`tym (~(put by ran) pax ?~(cur 0 (min 5 +(p.u.cur))) tym)]
::
++ wait :: ensure poll by path
|= {pax/path mof/(list move)}
=^ tym ran (dely pax)
:_ +>.$
?~ tym
:: ~& no-wait/ran
mof
:: ~& will-wait/u.tym
:- [ost %wait pax u.tym]
mof
::
++ poke-twit-do :: recieve request
|= {usr/knot act/command}
^+ [*(list move) +>]
?- -.act
$post
=: out (~(put by out) p.act %& usr q.act)
ran (~(del by ran) /peer/home)
==
%+ wait /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 ~)
(spam pax (tweet-good rep))
::
++ sigh-twit-feed-peer :: feed data
|= {wir/path rep/(list stat)}
:: ~& got-feed+[(scag 5 (turn rep |=(stat id))) fed]
=+ ren=(cull wir rep) :: new messages
?~ ren
(wait peer+wir ~) :: pump polling
:: ~& spam-feed+ren
=: ran (~(del by ran) peer+wir) :: clear poll delay
fed (~(put by fed) wir rep) :: saw last message
==
(wait peer+wir (spam wir [%diff twit-feed+(flop ren)] ~))
::
++ sigh-mean :: Err
|= {pax/path tan/tang}
=+ ^- 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 @ $~}
[(spam pax git ~) +>.$]
==
++ 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)
?: ?=($post -.pax)
?. ver ~
=+ (raid +.pax mez=%uv ~)
=+ sta=(~(get by out) mez)
?. ?=({$~ $| ^} 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 %hiss peer+pax `~ -]
~! print
=+ opt=?~(ole ~ ['since_id' (tid:print id.i.ole)]~)
?- -.pax
$user [%twit-feed twit-req+[`endpoint`stat-user+[(to-sd p.pax)]~ opt]]
:: %home [%twit-home stat-home+~ opt]
==
::
++ to-sd :: parse user name/numb
|= a/knot ^- sd:param
~| [%not-user a]
%+ rash a
;~(pose (stag %user-id dem) (stag %screen-name user:parse))
::
:: ++ pull :: release subscription
:: |= ost/bone
:: ?. (~(has by sup) ost) `+>.$ :: 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))
%+ turn (~(tap by sup))
|= {ost/bone @ pax/path}
?. =(pax a) ~
(turn b |=(c/gift [ost c]))
::
++ show-url ~(said-url talk `bowl`+<-)
--