factor/basis/furnace/asides/asides.factor

111 lines
2.7 KiB
Factor

! Copyright (C) 2008, 2010 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: namespaces assocs kernel sequences accessors hashtables
urls db.types db.tuples math.parser fry logging combinators
html.templates.chloe.syntax
http http.server http.server.filters http.server.redirection
furnace.cache
furnace.sessions
furnace.utilities
furnace.redirection ;
IN: furnace.asides
TUPLE: aside < server-state
session method url post-data ;
: <aside> ( id -- aside )
aside new-server-state ;
aside "ASIDES" {
{ "session" "SESSION" BIG-INTEGER +not-null+ }
{ "method" "METHOD" { VARCHAR 10 } }
{ "url" "URL" URL }
{ "post-data" "POST_DATA" FACTOR-BLOB }
} define-persistent
CONSTANT: aside-id-key "__a"
TUPLE: asides < server-state-manager ;
: <asides> ( responder -- responder' )
asides new-server-state-manager ;
SYMBOL: aside-id
: get-aside ( id -- aside )
dup [ aside get-state ] when check-session ;
: request-aside-id ( request -- id )
aside-id-key swap request-params at string>number ;
: request-aside ( request -- aside )
request-aside-id get-aside ;
: set-aside ( aside -- )
[ id>> aside-id set ] when* ;
: init-asides ( asides -- )
asides set
request get request-aside-id
get-aside
set-aside ;
M: asides call-responder*
[ init-asides ] [ call-next-method ] bi ;
: touch-aside ( aside -- )
asides get touch-state ;
: begin-aside ( url -- )
f <aside>
swap >>url
session get id>> >>session
request get method>> >>method
request get post-data>> >>post-data
[ touch-aside ] [ insert-tuple ] [ set-aside ] tri ;
: end-aside-post ( aside -- response )
request [
clone
over post-data>> >>post-data
over url>> >>url
] change
[ [ post-data>> params>> params set ] [ url>> url set ] bi ]
[ url>> path>> split-path asides get responder>> call-responder ] bi ;
\ end-aside-post DEBUG add-input-logging
ERROR: end-aside-in-get-error ;
: move-on ( id -- response )
post-request? [ end-aside-in-get-error ] unless
dup method>> {
{ "GET" [ url>> <redirect> ] }
{ "HEAD" [ url>> <redirect> ] }
{ "POST" [ end-aside-post ] }
} case ;
: end-aside ( default -- response )
aside-id get aside-id off get-aside [ move-on ] [ <redirect> ] ?if ;
M: asides link-attr ( tag -- )
drop
"aside" optional-attr {
{ "none" [ aside-id off ] }
{ "begin" [ url get begin-aside ] }
{ "current" [ ] }
{ f [ ] }
} case ;
M: asides modify-query ( query asides -- query' )
drop
aside-id get [
aside-id-key associate assoc-union
] when* ;
M: asides modify-form ( asides -- )
drop
aside-id get
aside-id-key
hidden-form-field ;