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 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 { "description" "DESCRIPTION" TEXT }
61 M: revision feed-entry-title
62 [ title>> ] [ drop " by " ] [ author>> ] tri 3append ;
64 M: revision feed-entry-date date>> ;
66 M: revision feed-entry-url id>> revision-url ;
68 : reverse-chronological-order ( seq -- sorted )
69 [ [ date>> ] compare invert-comparison ] sort ;
71 : <revision> ( id -- revision )
72 revision new swap >>id ;
74 : validate-title ( -- )
75 { { "title" [ v-one-line ] } } validate-params ;
77 : validate-author ( -- )
78 { { "author" [ v-username ] } } validate-params ;
80 : <article-boilerplate> ( responder -- responder' )
82 { wiki "page-common" } >>template ;
84 : <main-article-action> ( -- action )
86 [ "Front Page" view-url <redirect> ] >>display ;
88 : latest-revision ( title -- revision/f )
89 <article> select-tuple
90 dup [ revision>> <revision> select-tuple ] when ;
92 : <view-article-action> ( -- action )
102 "title" value dup latest-revision [
104 { wiki "view" } <chloe-content>
110 <article-boilerplate> ;
112 : <view-revision-action> ( -- action )
119 "id" value <revision>
120 select-tuple from-object
121 URL" $wiki/view/" adjust-url present relative-link-prefix set
124 { wiki "view" } >>template
126 <article-boilerplate> ;
128 : <random-article-action> ( -- action )
131 article new select-tuples random
132 [ title>> ] [ "Front Page" ] if*
136 : amend-article ( revision article -- )
137 swap id>> >>revision update-tuple ;
139 : add-article ( revision -- )
140 [ title>> ] [ id>> ] bi article boa insert-tuple ;
142 : add-revision ( revision -- )
145 dup title>> <article> select-tuple
146 [ amend-article ] [ add-article ] if*
149 : <edit-article-action> ( -- action )
157 "title" value <article> select-tuple
158 [ revision>> <revision> select-tuple ]
159 [ f <revision> "title" value >>title ]
162 [ title>> "title" set-value ]
163 [ content>> "content" set-value ]
167 { wiki "edit" } >>template
169 <article-boilerplate> ;
171 : <submit-article-action> ( -- action )
177 { "content" [ v-required ] }
178 { "description" [ [ v-one-line ] v-optional ] }
182 "title" value >>title
185 "content" value >>content
186 "description" value >>description
187 [ add-revision ] [ title>> view-url <redirect> ] bi
191 "edit wiki articles" >>description ;
193 : <revisions-boilerplate> ( responder -- responder )
195 { wiki "revisions-common" } >>template ;
197 : list-revisions ( -- seq )
198 f <revision> "title" value >>title select-tuples
199 reverse-chronological-order ;
201 : <list-revisions-action> ( -- action )
208 list-revisions "revisions" set-value
211 { wiki "revisions" } >>template
213 <revisions-boilerplate>
214 <article-boilerplate> ;
216 : <list-revisions-feed-action> ( -- action )
221 [ validate-title ] >>init
223 [ "Revisions of " "title" value append ] >>title
225 [ "title" value revisions-url ] >>url
227 [ list-revisions ] >>entries ;
229 : rollback-description ( description -- description' )
230 [ "Rollback of '" swap "'" 3append ] [ "Rollback" ] if* ;
232 : <rollback-action> ( -- action )
235 [ validate-integer-id ] >>validate
238 "id" value <revision> select-tuple
242 [ rollback-description ] change-description
244 [ title>> revisions-url <redirect> ] bi
248 "rollback wiki articles" >>description ;
250 : list-changes ( -- seq )
251 f <revision> select-tuples
252 reverse-chronological-order ;
254 : <list-changes-action> ( -- action )
256 [ list-changes "revisions" set-value ] >>init
257 { wiki "changes" } >>template
259 <revisions-boilerplate> ;
261 : <list-changes-feed-action> ( -- action )
263 [ URL" $wiki/changes" ] >>url
264 [ "All changes" ] >>title
265 [ list-changes ] >>entries ;
267 : <delete-action> ( -- action )
270 [ validate-title ] >>validate
273 "title" value <article> delete-tuples
274 f <revision> "title" value >>title delete-tuples
275 URL" $wiki" <redirect>
279 "delete wiki articles" >>description
280 { can-delete-wiki-articles? } >>capabilities ;
282 : <diff-action> ( -- action )
287 { "old-id" [ v-integer ] }
288 { "new-id" [ v-integer ] }
292 [ value <revision> select-tuple ] bi@
294 over title>> "title" set-value
295 [ "old" [ from-object ] nest-form ]
296 [ "new" [ from-object ] nest-form ]
299 [ [ content>> string-lines ] bi@ diff "diff" set-value ]
303 { wiki "diff" } >>template
305 <article-boilerplate> ;
307 : <list-articles-action> ( -- action )
311 f <article> select-tuples
312 [ [ title>> ] compare ] sort
316 { wiki "articles" } >>template ;
318 : list-user-edits ( -- seq )
319 f <revision> "author" value >>author select-tuples
320 reverse-chronological-order ;
322 : <user-edits-action> ( -- action )
329 list-user-edits "revisions" set-value
332 { wiki "user-edits" } >>template
334 <revisions-boilerplate> ;
336 : <user-edits-feed-action> ( -- action )
339 [ validate-author ] >>init
340 [ "Edits by " "author" value append ] >>title
341 [ "author" value user-edits-url ] >>url
342 [ list-user-edits ] >>entries ;
344 : init-sidebar ( -- )
345 "Sidebar" latest-revision [ "sidebar" [ from-object ] nest-form ] when*
346 "Footer" latest-revision [ "footer" [ from-object ] nest-form ] when* ;
348 : <wiki> ( -- dispatcher )
350 <main-article-action> "" add-responder
351 <view-article-action> "view" add-responder
352 <view-revision-action> "revision" add-responder
353 <random-article-action> "random" add-responder
354 <list-revisions-action> "revisions" add-responder
355 <list-revisions-feed-action> "revisions.atom" add-responder
356 <diff-action> "diff" add-responder
357 <edit-article-action> "edit" add-responder
358 <submit-article-action> "submit" add-responder
359 <rollback-action> "rollback" add-responder
360 <user-edits-action> "user-edits" add-responder
361 <list-articles-action> "articles" add-responder
362 <list-changes-action> "changes" add-responder
363 <user-edits-feed-action> "user-edits.atom" add-responder
364 <list-changes-feed-action> "changes.atom" add-responder
365 <delete-action> "delete" add-responder
367 [ init-sidebar ] >>init
368 { wiki "wiki-common" } >>template ;
371 "resource:extra/webapps/wiki/initial-content" directory* keys
373 [ ascii file-contents ] [ file-name "." split1 drop ] bi