factor/extra/webapps/help/help.factor

! Copyright (C) 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors assocs furnace.actions furnace.redirection
help.html help.topics html.components html.forms http.server
http.server.dispatchers http.server.static io.directories
io.files.temp kernel locals namespaces sequences
unicode urls ;
IN: webapps.help

TUPLE: help-webapp < dispatcher ;

: links ( seq -- seq' )
    [ swap <simple-link> ] { } assoc>map ;

:: <search-action> ( help-dir -- action )
    <page-action>
        { help-webapp "search" } >>template
        [
            "search" param [ blank? ] trim [
                help-dir [
                    [ article-apropos links "articles" set-value ]
                    [ word-apropos links "words" set-value ]
                    [ vocab-apropos links "vocabs" set-value ] tri
                ] with-directory
            ] unless-empty
            help-navbar "navbar" set-value

            { help-webapp "search" } <chloe-content>
        ] >>display ;

: help-url ( topic -- url )
    topic>filename "$help-webapp/content/" prepend >url ;

: <main-action> ( -- action )
    <action>
        [ "handbook" >link help-url <redirect> ] >>display ;

:: <help-webapp> ( help-dir -- webapp )
    help-webapp new-dispatcher
        <main-action> "" add-responder
        help-dir <search-action> "search" add-responder
        help-dir <static> "content" add-responder
        "resource:basis/definitions/icons/" <static> "icons" add-responder ;

: run-help-webapp ( -- )
    "docs" cache-file <help-webapp>
        main-responder set-global
    8080 httpd drop ;

MAIN: run-help-webapp