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First cut at expand-property report.

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This commit is contained in:
Andrew McMillan 2009-11-14 10:35:05 +13:00
parent 4c4dbd39a3
commit 6a91cb5b9f
1 changed files with 73 additions and 24 deletions
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97
inc/caldav-REPORT-expand-property.php
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@ -1,32 +1,81 @@
<?php
$responses = array();
require_once('DAVResource.php');
/**
* Given a <response><href>...</href><propstat><prop><someprop/></prop><status>HTTP/1.1 200 OK</status></propstat>...</response>
* pull out the content of <someprop>content</someprop> and check to see if it has any href elements. If it *does* then
* recurse into them, looking for the next deeper nesting of properties.
*/
function get_href_containers( &$multistatus_response ) {
$propstat_set = $multistatus_response->GetPath('/DAV::response/DAV::propstat/');
$propstat_200 = null;
foreach( $propstat_set AS $k => $v ) {
$status = $v->GetElements('status');
if ( preg_match( '{^HTTP/\S+\s+200}', $status[0]->GetContent() ) ) {
$propstat_200 = $v;
break;
}
}
if ( isset($propstat_200) ) {
$properties = $propstat_200->GetPath('/DAV::propstat/DAV::prop/*');
$href_containers = array();
foreach( $properties AS $k => $property ) {
$hrefs = $property->GetElements('href');
if ( count($hrefs) > 0 ) {
$href_containers[] = &$property;
}
}
if ( count($href_containers) > 0 ) {
return $href_containers;
}
}
return null;
}
/**
* Expand the properties, recursing as needed
*/
function expand_properties( $urls, $ptree, &$reply ) {
if ( !is_array($urls) ) $urls = array($urls);
if ( !is_array($ptree) ) $ptree = array($ptree);
$responses = array();
foreach( $urls AS $m => $url ) {
$resource = new DAVResource($url);
$props = array();
$subtrees = array();
foreach( $ptree AS $n => $property ) {
$pname = $property->GetAttribute('name');
$pns = $property->GetAttribute('namespace');
if ( isset($pns) ) $pname = $pns .':'. $pname;
$props[] = $pname;
$subtrees[$pname] = $property->GetContent();
}
$part_response = $resource->RenderAsXML( $props, $reply );
if ( isset($part_response) ) {
$href_containers = get_href_containers($part_response);
if ( isset($href_containers) ) {
foreach( $href_containers AS $h => $property ) {
$hrefs = $property->GetContent();
$pname = $property->GetNSTag();
$property->SetContent( expand_properties($paths, $subtrees[$pname], $reply) );
}
}
$responses[] = $part_response;
}
}
return $responses;
}
/**
* Build the array of properties to include in the report output
*/
$props = $xmltree->GetPath('/DAV::expand-property/DAV::property');
$proplist = array();
foreach( $props AS $k => $v ) {
$proplist[] = $v->GetContent();
}
function display_status( $status_code ) {
return sprintf( 'HTTP/1.1 %03d %s', $status_code, getStatusMessage($status_code) );
}
$sql = "SELECT * FROM sync_changes LEFT JOIN calendar_item USING (dav_id) LEFT JOIN caldav_data USING (dav_id) WHERE sync_time > (SELECT modification_time FROM sync_tokens WHERE sync_token = ?)";
$qry = new PgQuery($sql);
$property_tree = $xmltree->GetPath('/DAV::expand-property/DAV::property');
if ( $qry->Exec("REPORT",__LINE__,__FILE__) && $qry->rows > 0 ) {
while( $object = $qry->Fetch() ) {
$href = new XMLElement( 'dav_name', ConstructURL($change->href) );
$status = new XMLElement( 'status', display_status($change->status) );
if ( $status != 404 ) {
$propstat = $request->ObjectPropStat($proplist, $object);
}
$responses[] = new XMLElement( 'sync-response', array() );
}
}
$multistatus = new XMLElement( "multistatus", $responses, $reply->GetXmlNsArray() );
$multistatus = new XMLElement( "multistatus", expand_properties( $request->path, $property_tree, $reply), $reply->GetXmlNsArray() );
$request->XMLResponse( 207, $multistatus );