1 ! Copyright (C) 2008 Slava Pestov
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors kernel hashtables calendar random assocs
4 namespaces splitting sequences sorting math.order present
5 io.files io.encodings.ascii
7 html.components html.forms
9 http.server.dispatchers
18 db.types db.tuples lcs farkup urls ;
21 : wiki-url ( rest path -- url )
22 [ "$wiki/" % % "/" % % ] "" make
25 : view-url ( title -- url ) "view" wiki-url ;
27 : edit-url ( title -- url ) "edit" wiki-url ;
29 : revisions-url ( title -- url ) "revisions" wiki-url ;
31 : revision-url ( id -- url ) "revision" wiki-url ;
33 : user-edits-url ( author -- url ) "user-edits" wiki-url ;
35 TUPLE: wiki < dispatcher ;
37 SYMBOL: can-delete-wiki-articles?
39 can-delete-wiki-articles? define-capability
41 TUPLE: article title revision ;
44 { "title" "TITLE" { VARCHAR 256 } +not-null+ +user-assigned-id+ }
45 { "revision" "REVISION" INTEGER +not-null+ } ! revision id
48 : <article> ( title -- article ) article new swap >>title ;
50 TUPLE: revision id title author date content html description ;
52 revision "REVISIONS" {
53 { "id" "ID" INTEGER +db-assigned-id+ }
54 { "title" "TITLE" { VARCHAR 256 } +not-null+ } ! article id
55 { "author" "AUTHOR" { VARCHAR 256 } +not-null+ } ! uid
56 { "date" "DATE" TIMESTAMP +not-null+ }
57 { "content" "CONTENT" TEXT +not-null+ }
58 { "html" "HTML" TEXT +not-null+ } ! Farkup converted to HTML
59 { "description" "DESCRIPTION" TEXT }
62 M: revision feed-entry-title
63 [ title>> ] [ drop " by " ] [ author>> ] tri 3append ;
65 M: revision feed-entry-date date>> ;
67 M: revision feed-entry-url id>> revision-url ;
69 : reverse-chronological-order ( seq -- sorted )
70 [ [ date>> ] compare invert-comparison ] sort ;
72 : <revision> ( id -- revision )
73 revision new swap >>id ;
75 : compute-html ( revision -- )
76 dup content>> convert-farkup >>html drop ;
78 : validate-title ( -- )
79 { { "title" [ v-one-line ] } } validate-params ;
81 : validate-author ( -- )
82 { { "author" [ v-username ] } } validate-params ;
84 : <article-boilerplate> ( responder -- responder' )
86 { wiki "page-common" } >>template ;
88 : <main-article-action> ( -- action )
90 [ "Front Page" view-url <redirect> ] >>display ;
92 : latest-revision ( title -- revision/f )
93 <article> select-tuple
94 dup [ revision>> <revision> select-tuple ] when ;
96 : init-relative-link-prefix ( -- )
97 URL" $wiki/view/" adjust-url present relative-link-prefix set ;
99 : <view-article-action> ( -- action )
106 init-relative-link-prefix
110 "title" value dup latest-revision [
112 { wiki "view" } <chloe-content>
118 <article-boilerplate> ;
120 : <view-revision-action> ( -- action )
127 "id" value <revision>
128 select-tuple from-object
129 init-relative-link-prefix
132 { wiki "view" } >>template
134 <article-boilerplate> ;
136 : <random-article-action> ( -- action )
139 article new select-tuples random
140 [ title>> ] [ "Front Page" ] if*
144 : amend-article ( revision article -- )
145 swap id>> >>revision update-tuple ;
147 : add-article ( revision -- )
148 [ title>> ] [ id>> ] bi article boa insert-tuple ;
150 : add-revision ( revision -- )
154 dup title>> <article> select-tuple
155 [ amend-article ] [ add-article ] if*
159 : <edit-article-action> ( -- action )
167 "title" value <article> select-tuple
168 [ revision>> <revision> select-tuple ]
169 [ f <revision> "title" value >>title ]
172 [ title>> "title" set-value ]
173 [ content>> "content" set-value ]
177 { wiki "edit" } >>template
179 <article-boilerplate> ;
181 : <submit-article-action> ( -- action )
187 { "content" [ v-required ] }
188 { "description" [ [ v-one-line ] v-optional ] }
192 "title" value >>title
195 "content" value >>content
196 "description" value >>description
197 [ add-revision ] [ title>> view-url <redirect> ] bi
201 "edit wiki articles" >>description ;
203 : <revisions-boilerplate> ( responder -- responder )
205 { wiki "revisions-common" } >>template ;
207 : list-revisions ( -- seq )
208 f <revision> "title" value >>title select-tuples
209 reverse-chronological-order ;
211 : <list-revisions-action> ( -- action )
218 list-revisions "revisions" set-value
221 { wiki "revisions" } >>template
223 <revisions-boilerplate>
224 <article-boilerplate> ;
226 : <list-revisions-feed-action> ( -- action )
231 [ validate-title ] >>init
233 [ "Revisions of " "title" value append ] >>title
235 [ "title" value revisions-url ] >>url
237 [ list-revisions ] >>entries ;
239 : rollback-description ( description -- description' )
240 [ "Rollback of '" swap "'" 3append ] [ "Rollback" ] if* ;
242 : <rollback-action> ( -- action )
245 [ validate-integer-id ] >>validate
248 "id" value <revision> select-tuple
252 [ rollback-description ] change-description
254 [ title>> revisions-url <redirect> ] bi
258 "rollback wiki articles" >>description ;
260 : list-changes ( -- seq )
261 f <revision> select-tuples
262 reverse-chronological-order ;
264 : <list-changes-action> ( -- action )
266 [ list-changes "revisions" set-value ] >>init
267 { wiki "changes" } >>template
269 <revisions-boilerplate> ;
271 : <list-changes-feed-action> ( -- action )
273 [ URL" $wiki/changes" ] >>url
274 [ "All changes" ] >>title
275 [ list-changes ] >>entries ;
277 : <delete-action> ( -- action )
280 [ validate-title ] >>validate
283 "title" value <article> delete-tuples
284 f <revision> "title" value >>title delete-tuples
285 URL" $wiki" <redirect>
289 "delete wiki articles" >>description
290 { can-delete-wiki-articles? } >>capabilities ;
292 : <diff-action> ( -- action )
297 { "old-id" [ v-integer ] }
298 { "new-id" [ v-integer ] }
302 [ value <revision> select-tuple ] bi@
304 over title>> "title" set-value
305 [ "old" [ from-object ] nest-form ]
306 [ "new" [ from-object ] nest-form ]
309 [ [ content>> string-lines ] bi@ diff "diff" set-value ]
313 { wiki "diff" } >>template
315 <article-boilerplate> ;
317 : <list-articles-action> ( -- action )
321 f <article> select-tuples
322 [ [ title>> ] compare ] sort
326 { wiki "articles" } >>template ;
328 : list-user-edits ( -- seq )
329 f <revision> "author" value >>author select-tuples
330 reverse-chronological-order ;
332 : <user-edits-action> ( -- action )
339 list-user-edits "revisions" set-value
342 { wiki "user-edits" } >>template
344 <revisions-boilerplate> ;
346 : <user-edits-feed-action> ( -- action )
349 [ validate-author ] >>init
350 [ "Edits by " "author" value append ] >>title
351 [ "author" value user-edits-url ] >>url
352 [ list-user-edits ] >>entries ;
354 : init-sidebar ( -- )
355 "Sidebar" latest-revision [ "sidebar" [ from-object ] nest-form ] when*
356 "Footer" latest-revision [ "footer" [ from-object ] nest-form ] when* ;
358 : <wiki> ( -- dispatcher )
360 <main-article-action> "" add-responder
361 <view-article-action> "view" add-responder
362 <view-revision-action> "revision" add-responder
363 <random-article-action> "random" add-responder
364 <list-revisions-action> "revisions" add-responder
365 <list-revisions-feed-action> "revisions.atom" add-responder
366 <diff-action> "diff" add-responder
367 <edit-article-action> "edit" add-responder
368 <submit-article-action> "submit" add-responder
369 <rollback-action> "rollback" add-responder
370 <user-edits-action> "user-edits" add-responder
371 <list-articles-action> "articles" add-responder
372 <list-changes-action> "changes" add-responder
373 <user-edits-feed-action> "user-edits.atom" add-responder
374 <list-changes-feed-action> "changes.atom" add-responder
375 <delete-action> "delete" add-responder
377 [ init-sidebar ] >>init
378 { wiki "wiki-common" } >>template ;
381 "resource:extra/webapps/wiki/initial-content" directory* keys
383 dup file-name ".txt" ?tail [
384 swap ascii file-contents