From 4463768baed036b487d473a60b30f0c314ee1673 Mon Sep 17 00:00:00 2001 From: Craig Andrews Date: Thu, 19 Nov 2009 12:00:25 -0500 Subject: [PATCH] tobyink's location RDF patch --- actions/foaf.php | 26 ++++++++++++++++++++++---- lib/location.php | 24 ++++++++++++++++++++++++ lib/rssaction.php | 12 ++++++++++++ plugins/GeonamesPlugin.php | 24 ++++++++++++++++++++++++ 4 files changed, 82 insertions(+), 4 deletions(-) diff --git a/actions/foaf.php b/actions/foaf.php index 356393304e..e9f67b7f2b 100644 --- a/actions/foaf.php +++ b/actions/foaf.php @@ -108,11 +108,29 @@ class FoafAction extends Action if ($this->profile->bio) { $this->element('bio:olb', null, $this->profile->bio); } - // XXX: more structured location data - if ($this->profile->location) { + + $location = $this->profile->getLocation(); + if ($location) { + $attr = array(); + if ($location->getRdfURL()) { + $attr['rdf:about'] = $location->getRdfURL(); + } + $location_name = $location->getName(); + $this->elementStart('based_near'); - $this->elementStart('geo:SpatialThing'); - $this->element('name', null, $this->profile->location); + $this->elementStart('geo:SpatialThing', $attr); + if ($location_name) { + $this->element('name', null, $location_name); + } + if ($location->lat) { + $this->element('geo:lat', null, $location->lat); + } + if ($location->lon) { + $this->element('geo:long', null, $location->lat); + } + if ($location->getURL()) { + $this->element('page', array('rdf:resource'=>$location->getURL())); + } $this->elementEnd('geo:SpatialThing'); $this->elementEnd('based_near'); } diff --git a/lib/location.php b/lib/location.php index bbfc15a36d..191550d6d6 100644 --- a/lib/location.php +++ b/lib/location.php @@ -52,6 +52,7 @@ class Location public $location_id; public $location_ns; private $_url; + private $_rdfurl; var $names = array(); @@ -185,4 +186,27 @@ class Location return $url; } + + /** + * Get an URL for this location, suitable for embedding in RDF + * + * @return string URL for this location or NULL + */ + + function getRdfURL() + { + // Keep one cached + + if (is_string($this->_rdfurl)) { + return $this->_rdfurl; + } + + $url = null; + + Event::handle('LocationRdfUrl', array($this, &$url)); + + $this->_rdfurl = $url; + + return $url; + } } diff --git a/lib/rssaction.php b/lib/rssaction.php index faf6bec7de..cd4c8b51c4 100644 --- a/lib/rssaction.php +++ b/lib/rssaction.php @@ -244,6 +244,16 @@ class Rss10Action extends Action $this->element('dc:creator', null, ($profile->fullname) ? $profile->fullname : $profile->nickname); $this->element('foaf:maker', array('rdf:resource' => $creator_uri)); $this->element('sioc:has_creator', array('rdf:resource' => $creator_uri.'#acct')); + $location = $notice->getLocation(); + if ($location && isset($location->lat) && isset($location->lon)) { + $location_uri = $location->getRdfURL(); + $attrs = array('geo:lat' => $location->lat, + 'geo:long' => $location->lon); + if (strlen($location_uri)) { + $attrs['rdf:resource'] = $location_uri; + } + $this->element('statusnet:origin', $attrs); + } $this->element('statusnet:postIcon', array('rdf:resource' => $profile->avatarUrl())); $this->element('cc:licence', array('rdf:resource' => common_config('license', 'url'))); if ($notice->reply_to) { @@ -354,6 +364,8 @@ class Rss10Action extends Action 'http://rdfs.org/sioc/types#', 'xmlns:rdfs' => 'http://www.w3.org/2000/01/rdf-schema#', + 'xmlns:geo' => + 'http://www.w3.org/2003/01/geo/wgs84_pos#', 'xmlns:statusnet' => 'http://status.net/ont/', 'xmlns' => 'http://purl.org/rss/1.0/')); diff --git a/plugins/GeonamesPlugin.php b/plugins/GeonamesPlugin.php index 1d7381a802..59232c1c55 100644 --- a/plugins/GeonamesPlugin.php +++ b/plugins/GeonamesPlugin.php @@ -302,4 +302,28 @@ class GeonamesPlugin extends Plugin // it's been filled, so don't process further. return false; } + + /** + * Machine-readable name for a location + * + * Given a location, we try to retrieve a geonames.org URL. + * + * @param Location $location Location to get the url for + * @param string &$url Place to put the url + * + * @return boolean whether to continue + */ + + function onLocationRdfUrl($location, &$url) + { + if ($location->location_ns != self::LOCATION_NS) { + // It's not one of our IDs... keep processing + return true; + } + + $url = 'http://sw.geonames.org/' . $location->location_id . '/'; + + // it's been filled, so don't process further. + return false; + } }