factor/extra/twitter/twitter.factor

133 lines
2.6 KiB
Factor

! Copyright (C) 2009 Joe Groff.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs combinators hashtables http
http.client json.reader kernel macros namespaces sequences
urls.secure fry ;
IN: twitter
! Configuration
SYMBOLS: twitter-username twitter-password twitter-source ;
twitter-source [ "factor" ] initialize
: set-twitter-credentials ( username password -- )
[ twitter-username set ] [ twitter-password set ] bi* ;
<PRIVATE
! Utilities
MACRO: keys-boa ( keys class -- )
[ [ '[ _ swap at ] ] map ] dip '[ _ cleave _ boa ] ;
! Twitter requests
: twitter-url ( string -- url )
"https://twitter.com/statuses/" ".json" surround ;
: set-request-twitter-auth ( request -- request )
twitter-username get twitter-password get set-basic-auth ;
: twitter-request ( request -- data )
set-request-twitter-auth
http-request nip ; inline
PRIVATE>
! Data types
TUPLE: twitter-status
created-at
id
text
source
truncated?
in-reply-to-status-id
in-reply-to-user-id
favorited?
user ;
TUPLE: twitter-user
id
name
screen-name
description
location
profile-image-url
url
protected?
followers-count ;
<PRIVATE
: <twitter-user> ( assoc -- user )
{
"id"
"name"
"screen_name"
"description"
"location"
"profile_image_url"
"url"
"protected"
"followers_count"
} twitter-user keys-boa ;
: <twitter-status> ( assoc -- tweet )
clone "user" over [ <twitter-user> ] change-at
{
"created_at"
"id"
"text"
"source"
"truncated"
"in_reply_to_status_id"
"in_reply_to_user_id"
"favorited"
"user"
} twitter-status keys-boa ;
: json>twitter-statuses ( json-array -- tweets )
json> [ <twitter-status> ] map ;
: json>twitter-status ( json-object -- tweet )
json> <twitter-status> ;
PRIVATE>
! Updates
<PRIVATE
: update-post-data ( update -- assoc )
[
"status" set
twitter-source get "source" set
] H{ } make-assoc ;
: (tweet) ( string -- json )
update-post-data "update" twitter-url
<post-request> twitter-request ;
PRIVATE>
: tweet* ( string -- tweet )
(tweet) json>twitter-status ;
: tweet ( string -- ) (tweet) drop ;
! Timelines
<PRIVATE
: timeline ( url -- tweets )
twitter-url <get-request>
twitter-request json>twitter-statuses ;
PRIVATE>
: public-timeline ( -- tweets )
"public_timeline" timeline ;
: friends-timeline ( -- tweets )
"friends_timeline" timeline ;
: user-timeline ( username -- tweets )
"user_timeline/" prepend timeline ;