factor/extra/webapps/wiki/wiki.factor

373 lines
9.6 KiB
Factor

! Copyright (C) 2008 Slava Pestov
! See http://factorcode.org/license.txt for BSD license.
USING: accessors kernel hashtables calendar random assocs
namespaces make splitting sequences sorting math.order present
io.files io.directories io.encodings.ascii
syndication farkup
html.components html.forms
http.server
http.server.dispatchers
furnace.actions
furnace.utilities
furnace.recaptcha
furnace.redirection
furnace.auth
furnace.auth.login
furnace.boilerplate
furnace.syndication
validators
db.types db.tuples lcs urls ;
IN: webapps.wiki
: wiki-url ( rest path -- url )
[ "$wiki/" % % "/" % present % ] "" make
<url> swap >>path ;
: view-url ( title -- url ) "view" wiki-url ;
: edit-url ( title -- url ) "edit" wiki-url ;
: revisions-url ( title -- url ) "revisions" wiki-url ;
: revision-url ( id -- url ) "revision" wiki-url ;
: user-edits-url ( author -- url ) "user-edits" wiki-url ;
TUPLE: wiki < dispatcher ;
SYMBOL: can-delete-wiki-articles?
can-delete-wiki-articles? define-capability
TUPLE: article title revision ;
article "ARTICLES" {
{ "title" "TITLE" { VARCHAR 256 } +not-null+ +user-assigned-id+ }
{ "revision" "REVISION" INTEGER +not-null+ } ! revision id
} define-persistent
: <article> ( title -- article ) article new swap >>title ;
TUPLE: revision id title author date content description ;
revision "REVISIONS" {
{ "id" "ID" INTEGER +db-assigned-id+ }
{ "title" "TITLE" { VARCHAR 256 } +not-null+ } ! article id
{ "author" "AUTHOR" { VARCHAR 256 } +not-null+ } ! uid
{ "date" "DATE" TIMESTAMP +not-null+ }
{ "content" "CONTENT" TEXT +not-null+ }
{ "description" "DESCRIPTION" TEXT }
} define-persistent
M: revision feed-entry-title
[ title>> ] [ drop " by " ] [ author>> ] tri 3append ;
M: revision feed-entry-date date>> ;
M: revision feed-entry-url id>> revision-url ;
: reverse-chronological-order ( seq -- sorted )
[ date>> ] inv-sort-with ;
: <revision> ( id -- revision )
revision new swap >>id ;
: validate-title ( -- )
{ { "title" [ v-one-line ] } } validate-params ;
: validate-author ( -- )
{ { "author" [ v-username ] } } validate-params ;
: <article-boilerplate> ( responder -- responder' )
<boilerplate>
{ wiki "page-common" } >>template ;
: <main-article-action> ( -- action )
<action>
[ "Front Page" view-url <redirect> ] >>display ;
: latest-revision ( title -- revision/f )
<article> select-tuple
dup [ revision>> <revision> select-tuple ] when ;
: <view-article-action> ( -- action )
<action>
"title" >>rest
[ validate-title ] >>init
[
"title" value dup latest-revision [
from-object
{ wiki "view" } <chloe-content>
] [
edit-url <redirect>
] ?if
] >>display
<article-boilerplate> ;
: <view-revision-action> ( -- action )
<page-action>
"id" >>rest
[
validate-integer-id
"id" value <revision>
select-tuple from-object
] >>init
{ wiki "view" } >>template
<article-boilerplate> ;
: <random-article-action> ( -- action )
<action>
[
article new select-tuples random
[ title>> ] [ "Front Page" ] if*
view-url <redirect>
] >>display ;
: amend-article ( revision article -- )
swap id>> >>revision update-tuple ;
: add-article ( revision -- )
[ title>> ] [ id>> ] bi article boa insert-tuple ;
: add-revision ( revision -- )
[ insert-tuple ]
[
dup title>> <article> select-tuple
[ amend-article ] [ add-article ] if*
]
bi ;
: <edit-article-action> ( -- action )
<page-action>
"title" >>rest
[
validate-title
"title" value <article> select-tuple
[ revision>> <revision> select-tuple ]
[ f <revision> "title" value >>title ]
if*
[ title>> "title" set-value ]
[ content>> "content" set-value ]
bi
] >>init
{ wiki "edit" } >>template
<article-boilerplate> ;
: <submit-article-action> ( -- action )
<action>
[
validate-recaptcha
validate-title
{
{ "content" [ v-required ] }
{ "description" [ [ v-one-line ] v-optional ] }
} validate-params
f <revision>
"title" value >>title
now >>date
username >>author
"content" value >>content
"description" value >>description
[ add-revision ] [ title>> view-url <redirect> ] bi
] >>submit
<protected>
"edit wiki articles" >>description ;
: <revisions-boilerplate> ( responder -- responder )
<boilerplate>
{ wiki "revisions-common" } >>template ;
: list-revisions ( -- seq )
f <revision> "title" value >>title select-tuples
reverse-chronological-order ;
: <list-revisions-action> ( -- action )
<page-action>
"title" >>rest
[
validate-title
list-revisions "revisions" set-value
] >>init
{ wiki "revisions" } >>template
<revisions-boilerplate>
<article-boilerplate> ;
: <list-revisions-feed-action> ( -- action )
<feed-action>
"title" >>rest
[ validate-title ] >>init
[ "Revisions of " "title" value append ] >>title
[ "title" value revisions-url ] >>url
[ list-revisions ] >>entries ;
: rollback-description ( description -- description' )
[ "Rollback to '" "'" surround ] [ "Rollback" ] if* ;
: <rollback-action> ( -- action )
<action>
[ validate-integer-id ] >>validate
[
"id" value <revision> select-tuple
f >>id
now >>date
username >>author
[ rollback-description ] change-description
[ add-revision ]
[ title>> revisions-url <redirect> ] bi
] >>submit
<protected>
"rollback wiki articles" >>description ;
: list-changes ( -- seq )
f <revision> select-tuples
reverse-chronological-order ;
: <list-changes-action> ( -- action )
<page-action>
[ list-changes "revisions" set-value ] >>init
{ wiki "changes" } >>template
<revisions-boilerplate> ;
: <list-changes-feed-action> ( -- action )
<feed-action>
[ URL" $wiki/changes" ] >>url
[ "All changes" ] >>title
[ list-changes ] >>entries ;
: <delete-action> ( -- action )
<action>
[ validate-title ] >>validate
[
"title" value <article> delete-tuples
f <revision> "title" value >>title delete-tuples
URL" $wiki" <redirect>
] >>submit
<protected>
"delete wiki articles" >>description
{ can-delete-wiki-articles? } >>capabilities ;
: <diff-action> ( -- action )
<page-action>
[
{
{ "old-id" [ v-integer ] }
{ "new-id" [ v-integer ] }
} validate-params
"old-id" "new-id"
[ value <revision> select-tuple ] bi@
[
over title>> "title" set-value
[ "old" [ from-object ] nest-form ]
[ "new" [ from-object ] nest-form ]
bi*
]
[ [ content>> string-lines ] bi@ lcs-diff "diff" set-value ]
2bi
] >>init
{ wiki "diff" } >>template
<article-boilerplate> ;
: <list-articles-action> ( -- action )
<page-action>
[
f <article> select-tuples
[ title>> ] sort-with
"articles" set-value
] >>init
{ wiki "articles" } >>template ;
: list-user-edits ( -- seq )
f <revision> "author" value >>author select-tuples
reverse-chronological-order ;
: <user-edits-action> ( -- action )
<page-action>
"author" >>rest
[
validate-author
list-user-edits "revisions" set-value
] >>init
{ wiki "user-edits" } >>template
<revisions-boilerplate> ;
: <user-edits-feed-action> ( -- action )
<feed-action>
"author" >>rest
[ validate-author ] >>init
[ "Edits by " "author" value append ] >>title
[ "author" value user-edits-url ] >>url
[ list-user-edits ] >>entries ;
: init-sidebars ( -- )
"Contents" latest-revision [ "contents" [ from-object ] nest-form ] when*
"Footer" latest-revision [ "footer" [ from-object ] nest-form ] when* ;
: init-relative-link-prefix ( -- )
URL" $wiki/view/" adjust-url present relative-link-prefix set ;
: <wiki> ( -- dispatcher )
wiki new-dispatcher
<main-article-action> "" add-responder
<view-article-action> "view" add-responder
<view-revision-action> "revision" add-responder
<random-article-action> "random" add-responder
<list-revisions-action> "revisions" add-responder
<list-revisions-feed-action> "revisions.atom" add-responder
<diff-action> "diff" add-responder
<edit-article-action> "edit" add-responder
<submit-article-action> "submit" add-responder
<rollback-action> "rollback" add-responder
<user-edits-action> "user-edits" add-responder
<list-articles-action> "articles" add-responder
<list-changes-action> "changes" add-responder
<user-edits-feed-action> "user-edits.atom" add-responder
<list-changes-feed-action> "changes.atom" add-responder
<delete-action> "delete" add-responder
<boilerplate>
[ init-sidebars init-relative-link-prefix ] >>init
{ wiki "wiki-common" } >>template ;