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.\" ========================================================================
.\"
.IX Title "Wiki::Toolkit::Feed::Atom 3pm"
.TH Wiki::Toolkit::Feed::Atom 3pm "2021-01-04" "perl v5.32.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
.Vb 1
\& Wiki::Toolkit::Feed::Atom \- A Wiki::Toolkit plugin to output RecentChanges Atom.
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This is an alternative access to the recent changes of a Wiki::Toolkit
wiki. It outputs the Atom Syndication Format as described at
.
.PP
This module is a straight port of Wiki::Toolkit::Feed::RSS.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\& use Wiki::Toolkit;
\& use Wiki::Toolkit::Feed::Atom;
\&
\& my $wiki = Wiki::Toolkit\->new( ... ); # See perldoc Wiki::Toolkit
\&
\& # Set up the RSS feeder with the mandatory arguments \- see
\& # C below for more, optional, arguments.
\& my $atom = Wiki::Toolkit::Feed::Atom\->new(
\& wiki => $wiki,
\& site_name => \*(AqMy Wiki\*(Aq,
\& site_url => \*(Aqhttp://example.com/\*(Aq,
\& make_node_url => sub
\& {
\& my ($node_name, $version) = @_;
\& return \*(Aqhttp://example.com/?id=\*(Aq . uri_escape($node_name) . \*(Aq;version=\*(Aq . uri_escape($version);
\& },
\& html_equiv_link => \*(Aqhttp://example.com/?RecentChanges\*(Aq,
\& atom_link => \*(Aqhttp://example.com/?action=rc;format=atom\*(Aq,
\& );
\&
\& print "Content\-type: application/atom+xml\en\en";
\& print $atom\->recent_changes;
.Ve
.SH "METHODS"
.IX Header "METHODS"
.ie n .SS """new()"""
.el .SS "\f(CWnew()\fP"
.IX Subsection "new()"
.Vb 12
\& my $atom = Wiki::Toolkit::Feed::Atom\->new(
\& # Mandatory arguments:
\& wiki => $wiki,
\& site_name => \*(AqMy Wiki\*(Aq,
\& site_url => \*(Aqhttp://example.com/\*(Aq,
\& make_node_url => sub
\& {
\& my ($node_name, $version) = @_;
\& return \*(Aqhttp://example.com/?id=\*(Aq . uri_escape($node_name) . \*(Aq;version=\*(Aq . uri_escape($version);
\& },
\& html_equiv_link => \*(Aqhttp://example.com/?RecentChanges\*(Aq,,
\& atom_link => \*(Aqhttp://example.com/?action=rc;format=atom\*(Aq,
\&
\& # Optional arguments:
\& site_description => \*(AqMy wiki about my stuff\*(Aq,
\& software_name => $your_software_name, # e.g. "Wiki::Toolkit"
\& software_version => $your_software_version, # e.g. "0.73"
\& software_homepage => $your_software_homepage, # e.g. "http://search.cpan.org/dist/CGI\-Wiki/"
\& encoding => \*(AqUTF\-8\*(Aq
\& );
.Ve
.PP
\&\f(CW\*(C`wiki\*(C'\fR must be a Wiki::Toolkit object. \f(CW\*(C`make_node_url\*(C'\fR, if supplied, must
be a coderef.
.PP
The mandatory arguments are:
.IP "\(bu" 4
wiki
.IP "\(bu" 4
site_name
.IP "\(bu" 4
site_url
.IP "\(bu" 4
make_node_url
.IP "\(bu" 4
html_equiv_link or recent_changes_link
.IP "\(bu" 4
atom_link
.PP
The three optional arguments
.IP "\(bu" 4
software_name
.IP "\(bu" 4
software_version
.IP "\(bu" 4
software_homepage
.PP
are used to generate the \f(CW\*(C`generator\*(C'\fR part of the feed.
.PP
The optional argument
.IP "\(bu" 4
encoding
.PP
will be used to specify the character encoding in the feed. If not set,
will default to the wiki store's encoding.
.ie n .SS """recent_changes()"""
.el .SS "\f(CWrecent_changes()\fP"
.IX Subsection "recent_changes()"
.Vb 9
\& $wiki\->write_node(
\& \*(AqAbout This Wiki\*(Aq,
\& \*(Aqblah blah blah\*(Aq,
\& $checksum,
\& {
\& comment => \*(AqStub page, please update!\*(Aq,
\& username => \*(AqFred\*(Aq,
\& }
\& );
\&
\& print "Content\-type: application/atom+xml\en\en";
\& print $atom\->recent_changes;
\&
\& # Or get something other than the default of the latest 15 changes.
\& print $atom\->recent_changes( items => 50 );
\& print $atom\->recent_changes( days => 7 );
\&
\& # Or ignore minor edits.
\& print $atom\->recent_changes( ignore_minor_edits => 1 );
\&
\& # Personalise your feed further \- consider only changes
\& # made by Fred to pages about bookshops.
\& print $atom\->recent_changes(
\& filter_on_metadata => {
\& username => \*(AqFred\*(Aq,
\& category => \*(AqBookshops\*(Aq,
\& },
\& );
.Ve
.PP
If using \f(CW\*(C`filter_on_metadata\*(C'\fR, note that only changes satisfying
\&\fIall\fR criteria will be returned.
.PP
\&\fBNote:\fR Many of the fields emitted by the Atom generator are taken
from the node metadata. The form of this metadata is \fInot\fR mandated
by Wiki::Toolkit. Your wiki application should make sure to store some or
all of the following metadata when calling \f(CW\*(C`write_node\*(C'\fR:
.IP "\fBcomment\fR \- a brief comment summarising the edit that has just been made; will be used in the summary for this item. Defaults to the empty string." 4
.IX Item "comment - a brief comment summarising the edit that has just been made; will be used in the summary for this item. Defaults to the empty string."
.PD 0
.IP "\fBusername\fR \- an identifier for the person who made the edit; will be used as the Dublin Core contributor for this item, and also in the \s-1RDF\s0 description. Defaults to 'No description given for change'." 4
.IX Item "username - an identifier for the person who made the edit; will be used as the Dublin Core contributor for this item, and also in the RDF description. Defaults to 'No description given for change'."
.IP "\fBhost\fR \- the hostname or \s-1IP\s0 address of the computer used to make the edit; if no username is supplied then this will be used as the author for this item. Defaults to 'Anonymous'." 4
.IX Item "host - the hostname or IP address of the computer used to make the edit; if no username is supplied then this will be used as the author for this item. Defaults to 'Anonymous'."
.PD
.ie n .SS """generate_node_list_feed"""
.el .SS "\f(CWgenerate_node_list_feed\fP"
.IX Subsection "generate_node_list_feed"
Generate and return an Atom feed for a list of nodes
.ie n .SS """generate_node_name_distance_feed"""
.el .SS "\f(CWgenerate_node_name_distance_feed\fP"
.IX Subsection "generate_node_name_distance_feed"
Generate a very cut down atom feed, based just on the nodes, their locations
(if given), and their distance from a reference location (if given).
.PP
Typically used on search feeds.
.ie n .SS """feed_timestamp()"""
.el .SS "\f(CWfeed_timestamp()\fP"
.IX Subsection "feed_timestamp()"
.Vb 1
\& print $atom\->feed_timestamp();
.Ve
.PP
Returns the timestamp of the feed in POSIX::strftime style (\*(L"Tue, 29 Feb 2000
12:34:56 \s-1GMT\*(R"\s0), which is equivalent to the timestamp of the most recent item
in the feed. Takes the same arguments as \fBrecent_changes()\fR. You will most likely
need this to print a Last-Modified \s-1HTTP\s0 header so user-agents can determine
whether they need to reload the feed or not.
.ie n .SS """parse_feed_timestamp"""
.el .SS "\f(CWparse_feed_timestamp\fP"
.IX Subsection "parse_feed_timestamp"
Take a feed_timestamp and return a Time::Piece object.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
.IP "\(bu" 4
Wiki::Toolkit
.IP "\(bu" 4
.SH "MAINTAINER"
.IX Header "MAINTAINER"
The Wiki::Toolkit team, http://www.wiki\-toolkit.org/.
.SH "COPYRIGHT AND LICENSE"
.IX Header "COPYRIGHT AND LICENSE"
Copyright 2006\-2009 Earle Martin and the Wiki::Toolkit team.
Copyright 2012 the Wiki::Toolkit team.
.PP
This module is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
.SH "THANKS"
.IX Header "THANKS"
Kake Pugh for originally writing Wiki::Toolkit::Feed::RSS and indeed
Wiki::Toolkit itself.