Index: openacs-4/packages/xowiki/tcl/syndicate-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/xowiki/tcl/syndicate-procs.tcl,v
diff -u -N
--- openacs-4/packages/xowiki/tcl/syndicate-procs.tcl 29 Jul 2007 20:17:01 -0000 1.19
+++ /dev/null 1 Jan 1970 00:00:00 -0000
@@ -1,375 +0,0 @@
-namespace eval ::xowiki {
- #
- # RSS 2.0 support
- #
- Class XMLSyndication -parameter {package_id}
-
- XMLSyndication instproc init {} {
- my set xmlMap [list & "&" < "<" > ">" \" """ ' "'"]
- }
-
- XMLSyndication instproc tag {{-atts } name value} {
- my instvar xmlMap
- set attsXML ""
- if {[info exists atts]} {
- foreach {attName attValue} $atts {
- append attsXML " $attName='[string map [list ' {'} { } { }] $attValue]'"
- }
- }
- return <$name$attsXML>[string map $xmlMap $value]
- }
-
- Class RSS -superclass XMLSyndication -parameter {
- maxentries
- {name_filter ""}
- {entries_of ""}
- {days ""}
- {css ""}
- {siteurl "[ad_url]"}
- {description ""}
- {language en-us}
- {title ""}
- } \
- -ad_doc {
- Report content of xowiki folder in rss 2.0 format. The
- reporting order is descending by date. The title of the feed
- is taken from the title, the description
- is taken from the description field of the folder object.
-
- @param maxentries maximum number of entries retrieved
- @param days report entries changed in speficied last days
- @param name_filter include only pages matching the provided regular expression (postgres)
- }
-
- RSS instproc css_link {} {
- my instvar css
- if {$css ne ""} {
- #
- # firefox 2.0 appears to overwrite the style info, so one has to use such ugly tricks:
- # http://www.blingblog.info/2006/10/30/firefox-big-browser/
- # when we want to use custom style sheets
- #
- set user_agent [string tolower [ns_set get [ns_conn headers] User-Agent]]
- set filler [expr {[string first firefox $user_agent] >- 1 ?
- "" : ""
- }]
- set css_link [expr {[string match /* $css] ? $css : "/resources/xowiki/$css"}]
- return "\n\n$filler"
- }
- return ""
- }
-
- RSS instproc head {} {
- my instvar title link description language
- return "[my css_link]
-
-
- [my tag title $title]
- [my tag link $link]
- [my tag description $description]
- [my tag language $language]
- [my tag generator xowiki]"
- }
-
- RSS instproc item {-creator -title -link -guid -description -pubdate } {
- append result - \n\
- [my tag dc:creator $creator ] \n\
- [my tag title $title ] \n\
- [my tag link $link ] \n\
- [my tag -atts {isPermaLink false} guid $guid] \n\
- [my tag description $description ] \n\
- [my tag pubDate $pubdate ] \n\
-
\n
- }
-
- RSS instproc tail {} {
- return "\n\n\n"
- }
-
-
- RSS instproc limit {} {
- my instvar maxentries
- if {[info exists maxentries] && $maxentries ne ""} {
- return $maxentries
- }
- return ""
- }
-
- RSS instproc extra_where_clause {} {
- my instvar name_filter days entries_of package_id
- set extra_where_clause ""
- if {$name_filter ne ""} {
- append extra_where_clause " and ci.name ~ E'$name_filter' "
- }
- if {$days ne ""} {
- append extra_where_clause "and " \
- [::xo::db::sql since_interval_condition p.last_modified "$days days"]
- }
- if {$entries_of ne ""} {
- set form_items [list]
- set folder_id [$package_id folder_id]
- foreach t [split $entries_of |] {
- set form_item_id [::xowiki::Form lookup -name $t -parent_id $folder_id]
- if {$form_item_id == 0} {error "Cannot lookup page $t"}
- lappend form_items $form_item_id
- }
- append extra_where_clause " and p.page_template in ('[join $form_items ',']') and p.page_instance_id = p.revision_id "
-
- my set base_table xowiki_form_pagex
- }
- return $extra_where_clause
- }
-
- RSS instproc render {} {
- my instvar package_id max_entries name_filter title days description siteurl base_table
- set folder_id [::$package_id folder_id]
-
- if {$description eq ""} {set description [::$folder_id set description]}
- my set link $siteurl[site_node::get_url_from_object_id -object_id $package_id]
-
- set base_table xowiki_pagex
- set extra_where_clause [my extra_where_clause]
-
- if {$base_table ne "xowiki_pagex"} {
- # we assume, we retrieve the entries for a form
- set extra_from ""
- } else {
- # return always instance_attributes
- set extra_from "left join \
- xowiki_page_instance on (p.revision_id = page_instance_id)"
- }
-
- set sql [::xo::db::sql select \
- -vars "s.body, p.name, p.creator, p.title, p.page_id, instance_attributes, \
- p.object_type as content_type, p.last_modified, p.description" \
- -from "syndication s, cr_items ci, $base_table p $extra_from" \
- -where "ci.parent_id = $folder_id and ci.live_revision = s.object_id \
- and ci.publish_status <> 'production' \
- $extra_where_clause \
- and s.object_id = p.page_id" \
- -orderby "p.last_modified desc" \
- -limit [my limit]]
-
- set content [my head]
- db_foreach get_pages $sql {
- if {[string match "::*" $name]} continue
- if {$content_type eq "::xowiki::PageTemplate"} continue
-
- set description [string trim $description]
- if {$description eq ""} {set description $body}
- if {$title eq ""} {set title $name}
- set time [::xo::db::tcl_date $last_modified tz]
- set link [::xowiki::Portlet detail_link \
- -package_id $package_id -name $name \
- -absolute true \
- -instance_attributes $instance_attributes]
-
- #append title " ($content_type)"
- set time "[clock format [clock scan $time] -format {%a, %d %b %Y %T}] ${tz}00"
- append content [my item \
- -creator $creator \
- -title $title \
- -link $link \
- -guid $siteurl/$page_id \
- -description $description \
- -pubdate $time \
- ]
- }
-
- append content [my tail]
- return $content
- }
-
- Class Podcast -superclass RSS -parameter {
- {subtitle ""}
- {description ""}
- {summary ""}
- {author ""}
- {explicit "no"}
- }
-
-
- Podcast instproc head {} {
- my instvar title link description language subtitle summary author explicit
-
- return "[my css_link]
-
-
- [my tag title $title]
- [my tag link $link]
- [my tag description $description]
- [my tag language $language]
- [my tag generator xowiki]
- [my tag itunes:subtitle $subtitle]
- [my tag itunes:summary $summary]
- [my tag itunes:author $author]
- [my tag itunes:explicit $explicit]
-"
- }
-
- Podcast instproc item {
- -author -title -subtitle -description
- -link -guid -pubdate
- -mime_type -duration -keywords} {
- append result \n - \
- [my tag title $title] \n\
- [my tag link $link ] \n\
- [my tag -atts {isPermaLink true} guid $guid] \n\
- [my tag pubDate $pubdate] \n\
- [my tag itunes:duration $duration] \n\
- [my tag author $author ] \n\
- [my tag description $description ] \n\
- [my tag itunes:subtitle $subtitle ] \n\
- [my tag itunes:author $author ] \n\
- [my tag itunes:keywords $keywords ] \n\
- " " \
- \n
\n
- }
-
-
- Podcast instproc render {} {
- my instvar package_id max_entries name_filter title days \
- summary subtitle description author siteurl
-
- set folder_id [::$package_id folder_id]
- if {$description eq ""} {set description [::$folder_id set description]}
- if {$summary eq ""} {set summary $description}
- if {$subtitle eq ""} {set subtitle $title}
-
- my set link $siteurl[site_node::get_url_from_object_id -object_id $package_id]
-
- set content [my head]
- set sql [::xo::db::sql select \
- -vars * \
- -from "xowiki_podcast_itemi p, cr_items ci, cr_mime_types m" \
- -where "ci.parent_id = $folder_id and ci.item_id = p.item_id \
- and ci.live_revision = p.object_id \
- and p.mime_type = m.mime_type \
- and ci.publish_status <> 'production' [my extra_where_clause]" \
- -orderby "p.pub_date asc" \
- -limit [my limit]]
-
- db_foreach get_pages $sql {
- if {$content_type ne "::xowiki::PodcastItem"} continue
- if {$title eq ""} {set title $name}
- set link [::$package_id pretty_link -download true -absolute true -siteurl $siteurl $name]
- append content [my item \
- -author $creator -title $title -subtitle $subtitle \
- -description $description \
- -link $link -mime_type $mime_type \
- -guid $link -pubdate $pub_date -duration $duration \
- -keywords $keywords]
- }
-
- append content [my tail]
- return $content
- }
-
- Class Timeline -superclass XMLSyndication \
- -parameter {user_id {limit 1000}}
-
- Timeline instproc reverse list {
- set result [list]
- for {set i [expr {[llength $list] - 1}]} {$i >= 0} {incr i -1} {
- lappend result [lindex $list $i]
- }
- return $result
- }
-
- Timeline instproc render {} {
- my instvar package_id
- set folder_id [::$package_id folder_id]
- set where_clause ""
- set limit ""
-
- set last_user ""
- set last_item ""
- set last_clock ""
- if {[my exists user_id]} { append where_clause " and o.creation_user = [my user_id] " }
- if {[my exists limit]} { set limit [my limit] }
-
- ::xo::OrderedComposite items -destroy_on_cleanup
- set sql [::xo::db::sql select \
- -vars "ci.name, o.creation_user, cr.publish_date, o2.creation_date, \
- cr.item_id, ci.parent_id, cr.title" \
- -from "cr_items ci, cr_revisions cr, acs_objects o, acs_objects o2" \
- -where "cr.item_id = ci.item_id and o.object_id = cr.revision_id
- and o2.object_id = cr.item_id
- and ci.parent_id = :folder_id and o.creation_user is not null
- $where_clause" \
- -orderby "revision_id desc" \
- -limit $limit]
- db_foreach get_pages $sql {
- set publish_date [::xo::db::tcl_date $publish_date tz]
- set creation_date [::xo::db::tcl_date $creation_date tz]
- set clock [clock scan $publish_date]
-
- if {$last_user == $creation_user && $last_item == $item_id && $last_clock ne ""} {
- #my log "--clockdiff = [expr {$last_clock - $clock }] $name [clock format $clock -format {%b %d %Y %X %Z} -gmt true]"
- if {($last_clock - $clock) < 7500 } {
- #my log "--clock ignore change due to cockdiff"
- continue
- }
- }
- set o [Object new]
- foreach att {item_id creation_user item_id clock name publish_date parent_id title} {
- $o set $att [set $att]
- }
- $o set operation [expr {$creation_date eq $publish_date ? "created" : "modified"}]
-
- items add $o
- foreach {last_user last_item last_clock} [list $creation_user $item_id $clock] break
- }
-
- # The following loop tries to distinguis between create and modify by age.
- # This does not work in cases, where we get just a limited amount
- # or restricted entries
-# if {$limit eq ""} {
-# foreach i [my reverse [items children]] {
-# set key seen([$i set item_id])
-# if {[info exists $key]} {
-# $i set operation modified
-# } else {
-# $i set operation created
-# set $key 1
-# }
-# }
-# }
-
- foreach i [items children] {
- set key contrib([clock format [$i set clock] -format "%Y-%m-%d" -gmt true],[$i set creation_user],[$i set item_id])
- lappend $key $i
- }
-
- set result \n
-
- foreach c [lsort -decreasing [array names contrib]] {
- if {[llength $contrib($c)] == 1} {
- set i $contrib($c)
- set title [$i set title]
- set user [::xo::get_user_name [$i set creation_user]]
- set event "$user [$i set operation] [$i set title] [$i set name]"
- } else {
- set i [lindex $contrib($c) 0]
- set event "Contributions by [::xo::get_user_name [$i set creation_user]] on [clock format [$i set clock] -format {%b %d %Y} -gmt true]\n"
- set title "[$i set title] ([llength $contrib($c)])"
- foreach j $contrib($c) {
- set stamp [clock format [$j set clock] -format "%X %Z" -gmt true]
- append event "- $stamp: [$j set operation]
" \n
- }
- append event "
" \n
- }
- set stamp [clock format [$i set clock] -format "%b %d %Y %X %Z" -gmt true]
- set user [::xo::get_user_name [$i set creation_user]]
- append result [my tag -atts [list \
- start $stamp \
- title $title \
- link [$package_id pretty_link [$i set name]]] \
- event $event] \n
- }
- append result \n
- return $result
- }
-}