/
ezsearch.php
664 lines (570 loc) · 23.5 KB
/
ezsearch.php
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<?php
/**
* File containing the eZSearch class.
*
* @copyright Copyright (C) eZ Systems AS. All rights reserved.
* @license For full copyright and license information view LICENSE file distributed with this source code.
* @version //autogentag//
* @package kernel
*/
/*!
\class eZSearch
\ingroup eZKernel
\brief eZSearch handles indexing of objects to the search engine
*/
class eZSearch
{
function eZSearch()
{
}
/*!
\static
determine how to pass the commit argument, for deletes and updates
maybe this needs to be further splitted
*/
static function needCommit()
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine )
{
return $searchEngine->needCommit();
}
return true;
}
/*!
\static
See if a remove is needed in an update of content objects
*/
static function needRemoveWithUpdate()
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine )
{
return $searchEngine->needRemoveWithUpdate();
}
return true;
}
/**
* Removes object $contentObject from the search database.
*
* @deprecated Since 5.0, use removeObjectById()
* @param eZContentObject $contentObject the content object to remove
* @param bool $commit Whether to commit after removing the object
* @return bool True if the operation succeed.
*/
static function removeObject( $contentObject, $commit = null )
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine )
{
return $searchEngine->removeObjectById( $contentObject->attribute( "id" ), $commit );
}
return false;
}
/**
* Removes a content object by Id from the search database.
*
* @since 5.0
* @param int $contentObjectId the content object to remove by id
* @param bool $commit Whether to commit after removing the object
* @return bool True if the operation succeed.
*/
static function removeObjectById( $contentObjectId, $commit = null )
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine )
{
return $searchEngine->removeObjectById( $contentObjectId, $commit );
}
return false;
}
/**
* Adds object $contentObject to the search database.
*
* @param eZContentObject $contentObject Object to add to search engine
* @param bool $commit Whether to commit after adding the object
* @return bool True if the operation succeed.
*/
static function addObject( $contentObject, $commit = true )
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine )
{
return $searchEngine->addObject( $contentObject, $commit );
}
return false;
}
/*!
\static
Runs a query to the search engine.
*/
static function search( $searchText, $params, $searchTypes = array() )
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine )
{
return $searchEngine->search( $searchText, $params, $searchTypes );
}
}
/*!
\static
*/
static function normalizeText( $text )
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine )
{
return $searchEngine->normalizeText( $text );
}
return '';
}
/*!
\static
returns search parameters in array based on supported search types and post variables
*/
static function buildSearchArray()
{
$searchEngine = eZSearch::getEngine();
$searchArray = array();
$andSearchParts = array();
$searchTypesDefinition = array( 'types' => array(), 'general_filter' => array() );
if ( $searchEngine instanceof ezpSearchEngine )
{
// This method was renamed in pre 3.5 trunk
if ( method_exists( $searchEngine, 'supportedSearchTypes' ) )
{
$searchTypesDefinition = $searchEngine->supportedSearchTypes(); // new and correct
}
else
{
$searchTypesDefinition = $searchEngine->suportedSearchTypes(); // deprecated
}
}
$http = eZHTTPTool::instance();
foreach ( $searchTypesDefinition['types'] as $searchType )
{
$postVariablePrefix = 'Content_search_' . $searchType['type'] . '_' . $searchType['subtype'] . '_';
//print $postVariablePrefix . "\n";
//print_r( $searchType['params'] );
$searchArrayPartForType = array();
$searchPart = array();
$valuesFetched = false;
$valuesMissing = false;
foreach ( $searchType['params'] as $parameter )
{
eZDebugSetting::writeDebug( 'kernel-search-ezsearch', $postVariablePrefix . $parameter,
'post variable to check' );
if ( $http->hasVariable( $postVariablePrefix . $parameter ) )
{
$values = $http->variable( $postVariablePrefix . $parameter );
eZDebugSetting::writeDebug( 'kernel-search-ezsearch', $values, 'fetched values' );
foreach ( $values as $i => $value )
{
$searchArrayPartForType[$i][$parameter] = $values[$i];
$valuesFetched = true;
}
}
else
{
eZDebugSetting::writeDebug( 'kernel-search-ezsearch', $postVariablePrefix . $parameter,
'post variable does not exist' );
$valuesMissing = true;
break;
}
}
if ( $valuesFetched == true && $valuesMissing == false )
{
eZDebugSetting::writeDebug( 'kernel-search-ezsearch', 'adding values to search' );
foreach ( array_keys( $searchArrayPartForType ) as $key )
{
$part =& $searchArrayPartForType[$key];
$part['type'] = $searchType['type'];
$part['subtype'] = $searchType['subtype'];
if ( $part['type'] == 'attribute' )
{
// Remove incomplete search parts from the search.
// An incomplete search part is for instance an empty text field,
// or a select box with no selected values.
// This functionality has been moved to the search engine.
// Checking if it is defined in the search engine
if ( method_exists( $searchEngine, 'isSearchPartIncomplete' ) )
{
$removePart = $searchEngine->isSearchPartIncomplete( $part );
}
else // for backwards compatibility
{
$removePart = false;
switch ( $part['subtype'] )
{
case 'fulltext':
{
if ( !isset( $part['value'] ) || $part['value'] == '' )
$removePart = true;
}
break;
case 'patterntext':
{
if ( !isset( $part['value'] ) || $part['value'] == '' )
$removePart = true;
}
break;
case 'integer':
{
if ( !isset( $part['value'] ) || $part['value'] == '' )
$removePart = true;
}
break;
case 'integers':
{
if ( !isset( $part['values'] ) || count( $part['values'] ) == 0 )
$removePart = true;
}
break;
case 'byrange':
{
if ( !isset( $part['from'] ) || $part['from'] == '' ||
!isset( $part['to'] ) || $part['to'] == '' )
$removePart = true;
}
break;
case 'byidentifier':
{
if ( !isset( $part['value'] ) || $part['value'] == '' )
$removePart = true;
}
break;
case 'byidentifierrange':
{
if ( !isset( $part['from'] ) || $part['from'] == '' ||
!isset( $part['to'] ) || $part['to'] == '' )
$removePart = true;
}
break;
case 'integersbyidentifier':
{
if ( !isset( $part['values'] ) || count( $part['values'] ) == 0 )
$removePart = true;
}
break;
case 'byarea':
{
if ( !isset( $part['from'] ) || $part['from'] == '' ||
!isset( $part['to'] ) || $part['to'] == '' ||
!isset( $part['minvalue'] ) || $part['minvalue'] == '' ||
!isset( $part['maxvalue'] ) || $part['maxvalue'] == '' )
{
$removePart = true;
}
}
}
}
if ( $removePart )
{
eZDebugSetting::writeDebug( 'kernel-search-ezsearch', $searchArrayPartForType[$key],
'removing incomplete search part' );
unSet( $searchArrayPartForType[$key] );
}
}
}
$andSearchParts = array_merge( $andSearchParts, $searchArrayPartForType );
}
}
$generalFilter = array();
foreach ( $searchTypesDefinition['general_filter'] as $searchType )
{
$postVariablePrefix = 'Content_search_' . $searchType['type'] . '_' . $searchType['subtype'] . '_';
$searchArrayPartForType = array();
$searchPart = array();
$valuesFetched = false;
$valuesMissing = false;
foreach ( $searchType['params'] as $parameter )
{
$varName = '';
$paramName = '';
if ( is_array( $parameter ) )
{
$varName = $postVariablePrefix . $parameter['value'];
$paramName = $parameter['value'];
}
else
{
$varName = $postVariablePrefix . $parameter;
$paramName = $parameter;
}
eZDebugSetting::writeDebug( 'kernel-search-ezsearch', $varName,
'post variable to check' );
if ( $http->hasVariable( $varName ) )
{
$values = $http->variable( $varName );
eZDebugSetting::writeDebug( 'kernel-search-ezsearch', $values, 'fetched values' );
$searchArrayPartForType[$paramName] = $values;
$valuesFetched = true;
}
else
{
eZDebugSetting::writeDebug( 'kernel-search-ezsearch', $varName,
'post variable does not exist' );
$valuesMissing = true;
break;
}
}
if ( $valuesFetched == true && $valuesMissing == false )
{
eZDebugSetting::writeDebug( 'kernel-search-ezsearch', 'adding values to search' );
$part =& $searchArrayPartForType;
$part['type'] = $searchType['type'];
$part['subtype'] = $searchType['subtype'];
if ( $part['type'] == 'general' )
{
// Remove incomplete search parts from the search.
// An incomplete search part is for instance an empty text field,
// or a select box with no selected values.
$removePart = false;
switch ( $part['subtype'] )
{
case 'class':
{
if ( !isset( $part['value'] ) ||
( is_array( $part['value'] ) && count( $part['value'] ) == 0 ) ||
( !is_array( $part['value'] ) && $part['value'] == '' ) )
$removePart = true;
}
break;
case 'publishdate':
{
if ( !isset( $part['value'] ) ||
( is_array( $part['value'] ) && count( $part['value'] ) == 0 ) ||
( !is_array( $part['value'] ) && $part['value'] == '' ) )
$removePart = true;
}
break;
case 'subtree':
{
if ( !isset( $part['value'] ) ||
( is_array( $part['value'] ) && count( $part['value'] ) == 0 ) ||
( !is_array( $part['value'] ) && $part['value'] == '' ) )
$removePart = true;
}
break;
}
if ( $removePart )
{
eZDebugSetting::writeDebug( 'kernel-search-ezsearch', $searchArrayPartForType[$key],
'removing incomplete search part' );
unSet( $searchArrayPartForType[$key] );
continue;
}
}
$generalFilter = array_merge( $generalFilter, array( $searchArrayPartForType ) );
}
}
if ( $andSearchParts != null )
{
$searchArray['and'] = $andSearchParts;
}
if ( $generalFilter != null )
{
$searchArray['general'] = $generalFilter;
}
eZDebugSetting::writeDebug( 'kernel-search-ezsearch', $searchArray, 'search array' );
return $searchArray;
}
/*!
\static
Tells the current search engine to cleanup up all data.
*/
static function cleanup()
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine && method_exists( $searchEngine, 'cleanup' ) )
{
$searchEngine->cleanup();
}
}
/**
* Get object instance of eZSearch engine to use.
*
* @return \ezpSearchEngine|bool Returns false (+ writes debug) if no engine was found
*/
static public function getEngine()
{
// Get instance if already created.
$instanceName = "eZSearchPlugin_" . $GLOBALS["eZCurrentAccess"]["name"];
if ( isset( $GLOBALS[$instanceName] ) )
{
return $GLOBALS[$instanceName];
}
$ini = eZINI::instance();
$searchEngineString = 'ezsearch';
if ( $ini->hasVariable( 'SearchSettings', 'SearchEngine' ) == true )
{
$searchEngineString = $ini->variable( 'SearchSettings', 'SearchEngine' );
}
$directoryList = array();
if ( $ini->hasVariable( 'SearchSettings', 'ExtensionDirectories' ) )
{
$extensionDirectories = $ini->variable( 'SearchSettings', 'ExtensionDirectories' );
if ( is_array( $extensionDirectories ) )
{
$directoryList = eZExtension::expandedPathList( $extensionDirectories, 'search/plugins' );
}
}
$kernelDir = array( 'kernel/search/plugins' );
$directoryList = array_merge( $kernelDir, $directoryList );
foreach( $directoryList as $directory )
{
$searchEngineFile = implode( '/', array( $directory, strtolower( $searchEngineString ), strtolower( $searchEngineString ) ) ) . '.php';
if ( file_exists( $searchEngineFile ) )
{
eZDebugSetting::writeDebug( 'kernel-search-ezsearch', 'Loading search engine from ' . $searchEngineFile, 'eZSearch::getEngine' );
include_once( $searchEngineFile );
$GLOBALS[$instanceName] = new $searchEngineString();
return $GLOBALS[$instanceName];
}
}
eZDebug::writeDebug( 'Unable to find the search engine:' . $searchEngineString, 'eZSearch' );
eZDebug::writeDebug( 'Tried paths: ' . implode( ', ', $directoryList ), 'eZSearch' );
return false;
}
/**
* Notifies search engine about the change of section of a set of objects
*
* @since 4.6
* @param array $objectIDs
* @param int $sectionID
* @return false|mixed false in case method is undefined, otherwise return the result of the search engine call
*/
public static function updateObjectsSection( array $objectIDs, $sectionID )
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine && method_exists( $searchEngine, 'updateObjectsSection' ) )
{
return $searchEngine->updateObjectsSection( $objectIDs, $sectionID );
}
return false;
}
/**
* Notifies search engine about section changes
*
* @since 4.1
* @param int $nodeID
* @param int $sectionID
* @return false|mixed False in case method is undefined, otherwise return the result of the search engine call
*/
public static function updateNodeSection( $nodeID, $sectionID )
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine && method_exists( $searchEngine, 'updateNodeSection' ) )
{
return $searchEngine->updateNodeSection( $nodeID, $sectionID );
}
return false;
}
/**
* Notifies search engine about node visibility changes
*
* @since 4.1
* @param int $nodeID
* @param string $action "hide" or "show"
* @return false|mixed False in case method is undefined, otherwise return the result of the search engine call
*/
public static function updateNodeVisibility( $nodeID, $action )
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine && method_exists( $searchEngine, 'updateNodeVisibility' ) )
{
return $searchEngine->updateNodeVisibility( $nodeID, $action );
}
return false;
}
/**
* Notifies search engine about new node assignments added
*
* @since 4.1
* @param int $mainNodeID
* @param int $objectID
* @param array $nodeAssignmentIDList
* @param bool $isMoved true if node is being moved
* @return false|mixed False in case method is undefined, otherwise return the result of the search engine call
*/
public static function addNodeAssignment( $mainNodeID, $objectID, $nodeAssignmentIDList, $isMoved = false )
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine && method_exists( $searchEngine, 'addNodeAssignment' ) )
{
return $searchEngine->addNodeAssignment( $mainNodeID, $objectID, $nodeAssignmentIDList, $isMoved );
}
return false;
}
/**
* Notifies search engine about removed node assignments and what the new main node is (same if not changed)
*
* @since 4.1
* @param int $mainNodeID
* @param int $newMainNodeID
* @param int $objectID
* @param array $nodeAssigmentIDList
* @return false|mixed False in case method is undefined, otherwise return the result of the search engine call
*/
public static function removeNodeAssignment( $mainNodeID, $newMainNodeID, $objectID, $nodeAssigmentIDList )
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine && method_exists( $searchEngine, 'removeNodeAssignment' ) )
{
return $searchEngine->removeNodeAssignment( $mainNodeID, $newMainNodeID, $objectID, $nodeAssigmentIDList );
}
return false;
}
/**
* Notifies search engine about nodes being removed
*
* @since 4.1
* @param array $nodeIdList Array of node ID to remove.
* @return false|mixed False in case method is undefined, otherwise return the result of the search engine call
*/
public static function removeNodes( array $nodeIdList )
{
$searchEngine = self::getEngine();
if ( $searchEngine instanceof ezpSearchEngine && method_exists( $searchEngine, 'removeNodes' ) )
{
return $searchEngine->removeNodes( $nodeIdList );
}
return false;
}
/**
* Notifies search engine about updates to object states
*
* @since 4.1
* @param int $objectID
* @param array $objectStateList
* @return false|mixed False in case method is undefined, otherwise return the result of the search engine call
*/
public static function updateObjectState( $objectID, $objectStateList )
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine && method_exists( $searchEngine, 'updateObjectState' ) )
{
return $searchEngine->updateObjectState( $objectID, $objectStateList );
}
return false;
}
/**
* Notifies search engine about an swap node operation
*
* @since 4.1
* @param int $nodeID
* @param int $selectedNodeID
* @param array $nodeIdList
* @return false|mixed False in case method is undefined, otherwise return the result of the search engine call
*/
public static function swapNode( $nodeID, $selectedNodeID, $nodeIdList = array() )
{
$searchEngine = eZSearch::getEngine();
if ( $searchEngine instanceof ezpSearchEngine && method_exists( $searchEngine, 'swapNode' ) )
{
return $searchEngine->swapNode( $nodeID, $selectedNodeID, $nodeIdList = array() );
}
return false;
}
}
?>