mirror of
https://github.com/silverstripe/silverstripe-fulltextsearch
synced 2024-10-22 14:05:29 +02:00
496 lines
14 KiB
PHP
496 lines
14 KiB
PHP
<?php
|
|
|
|
Solr::include_client_api();
|
|
|
|
abstract class SolrIndex extends SearchIndex {
|
|
|
|
static $fulltextTypeMap = array(
|
|
'*' => 'text',
|
|
'HTMLVarchar' => 'htmltext',
|
|
'HTMLText' => 'htmltext'
|
|
);
|
|
|
|
static $filterTypeMap = array(
|
|
'*' => 'string',
|
|
'Boolean' => 'boolean',
|
|
'Date' => 'tdate',
|
|
'SSDatetime' => 'tdate',
|
|
'SS_Datetime' => 'tdate',
|
|
'ForeignKey' => 'tint',
|
|
'Int' => 'tint',
|
|
'Float' => 'tfloat',
|
|
'Double' => 'tdouble'
|
|
);
|
|
|
|
static $sortTypeMap = array();
|
|
|
|
protected $analyzerFields = array();
|
|
|
|
protected $copyFields = array();
|
|
|
|
protected $extrasPath = null;
|
|
|
|
protected $templatesPath = null;
|
|
/**
|
|
* @return String Absolute path to the folder containing
|
|
* templates which are used for generating the schema and field definitions.
|
|
*/
|
|
function getTemplatesPath() {
|
|
$globalOptions = Solr::solr_options();
|
|
return $this->templatesPath ? $this->templatesPath : $globalOptions['templatespath'];
|
|
}
|
|
|
|
/**
|
|
* @return String Absolute path to the configuration default files,
|
|
* e.g. solrconfig.xml.
|
|
*/
|
|
function getExtrasPath() {
|
|
$globalOptions = Solr::solr_options();
|
|
return $this->extrasPath ? $this->extrasPath : $globalOptions['extraspath'];
|
|
}
|
|
|
|
function generateSchema() {
|
|
return $this->renderWith($this->getTemplatesPath() . '/schema.ss');
|
|
}
|
|
|
|
function getIndexName() {
|
|
return get_class($this);
|
|
}
|
|
|
|
function getTypes() {
|
|
return $this->renderWith($this->getTemplatesPath() . '/types.ss');
|
|
}
|
|
|
|
/**
|
|
* Index-time analyzer which is applied to a specific field.
|
|
* Can be used to remove HTML tags, apply stemming, etc.
|
|
*
|
|
* @see http://wiki.apache.org/solr/AnalyzersTokenizersTokenFilters#solr.WhitespaceTokenizerFactory
|
|
*
|
|
* @param String $field
|
|
* @param String $type
|
|
* @param Array $params Parameters for the analyzer, usually at least a "class"
|
|
*/
|
|
function addAnalyzer($field, $type, $params) {
|
|
$fullFields = $this->fieldData($field);
|
|
if($fullFields) foreach($fullFields as $fullField => $spec) {
|
|
if(!isset($this->analyzerFields[$fullField])) $this->analyzerFields[$fullField] = array();
|
|
$this->analyzerFields[$fullField][$type] = $params;
|
|
}
|
|
}
|
|
|
|
function getFieldDefinitions() {
|
|
$xml = array();
|
|
$stored = Director::isDev() ? "stored='true'" : "stored='false'";
|
|
|
|
$xml[] = "";
|
|
|
|
// Add the hardcoded field definitions
|
|
|
|
$xml[] = "<field name='_documentid' type='string' indexed='true' stored='true' required='true' />";
|
|
|
|
$xml[] = "<field name='ID' type='tint' indexed='true' stored='true' required='true' />";
|
|
$xml[] = "<field name='ClassName' type='string' indexed='true' stored='true' required='true' />";
|
|
$xml[] = "<field name='ClassHierarchy' type='string' indexed='true' stored='true' required='true' multiValued='true' />";
|
|
|
|
// Add the fulltext collation field
|
|
|
|
$xml[] = "<field name='_text' type='htmltext' indexed='true' $stored multiValued='true' />" ;
|
|
|
|
// Add the user-specified fields
|
|
|
|
foreach ($this->fulltextFields as $name => $field) {
|
|
$xml[] = $this->getFieldDefinition($name, $field, self::$fulltextTypeMap);
|
|
}
|
|
|
|
foreach ($this->filterFields as $name => $field) {
|
|
if ($field['fullfield'] == 'ID' || $field['fullfield'] == 'ClassName') continue;
|
|
$xml[] = $this->getFieldDefinition($name, $field);
|
|
}
|
|
|
|
foreach ($this->sortFields as $name => $field) {
|
|
if ($field['fullfield'] == 'ID' || $field['fullfield'] == 'ClassName') continue;
|
|
$xml[] = $this->getFieldDefinition($name, $field);
|
|
}
|
|
|
|
return implode("\n\t\t", $xml);
|
|
}
|
|
|
|
/**
|
|
* @param String $name
|
|
* @param Array $spec
|
|
* @param Array $typeMap
|
|
* @return String XML
|
|
*/
|
|
protected function getFieldDefinition($name, $spec, $typeMap = null) {
|
|
if(!$typeMap) $typeMap = self::$filterTypeMap;
|
|
$multiValued = (isset($spec['multi_valued']) && $spec['multi_valued']) ? "true" : '';
|
|
$type = isset($typeMap[$spec['type']]) ? $typeMap[$spec['type']] : $typeMap['*'];
|
|
|
|
$analyzerXml = '';
|
|
if(isset($this->analyzerFields[$name])) {
|
|
foreach($this->analyzerFields[$name] as $analyzerType => $analyzerParams) {
|
|
$analyzerXml .= $this->toXmlTag($analyzerType, $analyzerParams);
|
|
}
|
|
}
|
|
|
|
$fieldParams = array_merge(
|
|
array(
|
|
'name' => $name,
|
|
'type' => $type,
|
|
'indexed' => 'true',
|
|
'stored' => Director::isDev() ? 'true' : 'false',
|
|
'multiValued' => $multiValued
|
|
),
|
|
isset($spec['extra_options']) ? $spec['extra_options'] : array()
|
|
);
|
|
|
|
return $this->toXmlTag(
|
|
"field",
|
|
$fieldParams,
|
|
$analyzerXml ? "<analyzer>$analyzerXml</analyzer>" : null
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Convert definition to XML tag
|
|
*
|
|
* @param String $tag
|
|
* @param String $attrs Map of attributes
|
|
* @param String $content Inner content
|
|
* @return String XML tag
|
|
*/
|
|
protected function toXmlTag($tag, $attrs, $content = null) {
|
|
$xml = "<$tag ";
|
|
if($attrs) {
|
|
$attrStrs = array();
|
|
foreach($attrs as $attrName => $attrVal) $attrStrs[] = "$attrName='$attrVal'";
|
|
$xml .= $attrStrs ? implode(' ', $attrStrs) : '';
|
|
}
|
|
$xml .= $content ? ">$content</$tag>" : '/>';
|
|
return $xml;
|
|
}
|
|
|
|
/**
|
|
* @param String $source Composite field name (<class>_<fieldname>)
|
|
* @param String $dest
|
|
*/
|
|
function addCopyField($source, $dest, $extraOptions = array()) {
|
|
if(!isset($this->copyFields[$source])) $this->copyFields[$source] = array();
|
|
$this->copyFields[$source][] = array_merge(
|
|
array('source' => $source, 'dest' => $dest),
|
|
$extraOptions
|
|
);
|
|
}
|
|
|
|
function getCopyFieldDefinitions() {
|
|
$xml = array();
|
|
|
|
foreach ($this->fulltextFields as $name => $field) {
|
|
$xml[] = "<copyField source='{$name}' dest='_text' />";
|
|
}
|
|
|
|
foreach ($this->copyFields as $source => $fields) {
|
|
foreach($fields as $fieldAttrs) {
|
|
$xml[] = $this->toXmlTag('copyField', $fieldAttrs);
|
|
}
|
|
}
|
|
|
|
return implode("\n\t", $xml);
|
|
}
|
|
|
|
protected function _addField($doc, $object, $field) {
|
|
$class = get_class($object);
|
|
if ($class != $field['origin'] && !is_subclass_of($class, $field['origin'])) return;
|
|
|
|
$value = $this->_getFieldValue($object, $field);
|
|
|
|
$type = isset(self::$filterTypeMap[$field['type']]) ? self::$filterTypeMap[$field['type']] : self::$filterTypeMap['*'];
|
|
|
|
if (is_array($value)) foreach($value as $sub) {
|
|
/* Solr requires dates in the form 1995-12-31T23:59:59Z */
|
|
if ($type == 'tdate') {
|
|
if(!$sub) continue;
|
|
$sub = gmdate('Y-m-d\TH:i:s\Z', strtotime($sub));
|
|
}
|
|
|
|
/* Solr requires numbers to be valid if presented, not just empty */
|
|
if (($type == 'tint' || $type == 'tfloat' || $type == 'tdouble') && !is_numeric($sub)) continue;
|
|
|
|
$doc->addField($field['name'], $sub);
|
|
}
|
|
|
|
else {
|
|
/* Solr requires dates in the form 1995-12-31T23:59:59Z */
|
|
if ($type == 'tdate') {
|
|
if(!$value) return;
|
|
$value = gmdate('Y-m-d\TH:i:s\Z', strtotime($value));
|
|
}
|
|
|
|
/* Solr requires numbers to be valid if presented, not just empty */
|
|
if (($type == 'tint' || $type == 'tfloat' || $type == 'tdouble') && !is_numeric($value)) return;
|
|
|
|
$doc->setField($field['name'], $value);
|
|
}
|
|
}
|
|
|
|
protected function _addAs($object, $base, $options) {
|
|
$includeSubs = $options['include_children'];
|
|
|
|
$doc = new Apache_Solr_Document();
|
|
|
|
// Always present fields
|
|
|
|
$doc->setField('_documentid', $this->getDocumentID($object, $base, $includeSubs));
|
|
$doc->setField('ID', $object->ID);
|
|
$doc->setField('ClassName', $object->ClassName);
|
|
|
|
foreach (SearchIntrospection::hierarchy(get_class($object), false) as $class) $doc->addField('ClassHierarchy', $class);
|
|
|
|
// Add the user-specified fields
|
|
|
|
foreach ($this->getFieldsIterator() as $name => $field) {
|
|
if ($field['base'] == $base) $this->_addField($doc, $object, $field);
|
|
}
|
|
|
|
try {
|
|
$this->getService()->addDocument($doc);
|
|
} catch (Exception $e) {
|
|
SS_Log::log($e, SS_Log::WARN);
|
|
return false;
|
|
}
|
|
|
|
return $doc;
|
|
}
|
|
|
|
function add($object) {
|
|
$class = get_class($object);
|
|
$docs = array();
|
|
|
|
foreach ($this->getClasses() as $searchclass => $options) {
|
|
if ($searchclass == $class || ($options['include_children'] && is_subclass_of($class, $searchclass))) {
|
|
$base = ClassInfo::baseDataClass($searchclass);
|
|
$docs[] = $this->_addAs($object, $base, $options);
|
|
}
|
|
}
|
|
|
|
return $docs;
|
|
}
|
|
|
|
function canAdd($class) {
|
|
foreach ($this->classes as $searchclass => $options) {
|
|
if ($searchclass == $class || ($options['include_children'] && is_subclass_of($class, $searchclass))) return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
function delete($base, $id, $state) {
|
|
$documentID = $this->getDocumentIDForState($base, $id, $state);
|
|
|
|
try {
|
|
$this->getService()->deleteById($documentID);
|
|
} catch (Exception $e) {
|
|
SS_Log::log($e, SS_Log::WARN);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
function commit() {
|
|
try {
|
|
$this->getService()->commit(false, false, false);
|
|
} catch (Exception $e) {
|
|
SS_Log::log($e, SS_Log::WARN);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param SearchQuery $query
|
|
* @param integer $offset
|
|
* @param integer $limit
|
|
* @param Array $params Extra request parameters passed through to Solr
|
|
* @return ArrayData Map with the following keys:
|
|
* - 'Matches': ArrayList of the matched object instances
|
|
*/
|
|
public function search(SearchQuery $query, $offset = -1, $limit = -1, $params = array()) {
|
|
$service = $this->getService();
|
|
|
|
SearchVariant::with(count($query->classes) == 1 ? $query->classes[0]['class'] : null)->call('alterQuery', $query, $this);
|
|
|
|
$q = array();
|
|
$fq = array();
|
|
|
|
// Build the search itself
|
|
|
|
foreach ($query->search as $search) {
|
|
$text = $search['text'];
|
|
preg_match_all('/"[^"]*"|\S+/', $text, $parts);
|
|
|
|
$fuzzy = $search['fuzzy'] ? '~' : '';
|
|
|
|
foreach ($parts[0] as $part) {
|
|
$fields = (isset($search['fields'])) ? $search['fields'] : array();
|
|
if(isset($search['boost'])) $fields = array_merge($fields, array_keys($search['boost']));
|
|
if ($fields) {
|
|
$searchq = array();
|
|
foreach ($fields as $field) {
|
|
$boost = (isset($search['boost'][$field])) ? '^' . $search['boost'][$field] : '';
|
|
$searchq[] = "{$field}:".$part.$fuzzy.$boost;
|
|
}
|
|
$q[] = '+('.implode(' OR ', $searchq).')';
|
|
}
|
|
else {
|
|
$q[] = '+'.$part.$fuzzy;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Filter by class if requested
|
|
|
|
$classq = array();
|
|
|
|
foreach ($query->classes as $class) {
|
|
if (!empty($class['includeSubclasses'])) $classq[] = 'ClassHierarchy:'.$class['class'];
|
|
else $classq[] = 'ClassName:'.$class['class'];
|
|
}
|
|
|
|
if ($classq) $fq[] = '+('.implode(' ', $classq).')';
|
|
|
|
// Filter by filters
|
|
|
|
foreach ($query->require as $field => $values) {
|
|
$requireq = array();
|
|
|
|
foreach ($values as $value) {
|
|
if ($value === SearchQuery::$missing) {
|
|
$requireq[] = "(*:* -{$field}:[* TO *])";
|
|
}
|
|
else if ($value === SearchQuery::$present) {
|
|
$requireq[] = "{$field}:[* TO *]";
|
|
}
|
|
else if ($value instanceof SearchQuery_Range) {
|
|
$start = $value->start; if ($start === null) $start = '*';
|
|
$end = $value->end; if ($end === null) $end = '*';
|
|
$requireq[] = "$field:[$start TO $end]";
|
|
}
|
|
else {
|
|
$requireq[] = $field.':"'.$value.'"';
|
|
}
|
|
}
|
|
|
|
$fq[] = '+('.implode(' ', $requireq).')';
|
|
}
|
|
|
|
foreach ($query->exclude as $field => $values) {
|
|
$excludeq = array();
|
|
$missing = false;
|
|
|
|
foreach ($values as $value) {
|
|
if ($value === SearchQuery::$missing) {
|
|
$missing = true;
|
|
}
|
|
else if ($value === SearchQuery::$present) {
|
|
$excludeq[] = "{$field}:[* TO *]";
|
|
}
|
|
else if ($value instanceof SearchQuery_Range) {
|
|
$start = $value->start; if ($start === null) $start = '*';
|
|
$end = $value->end; if ($end === null) $end = '*';
|
|
$excludeq[] = "$field:[$start TO $end]";
|
|
}
|
|
else {
|
|
$excludeq[] = $field.':"'.$value.'"';
|
|
}
|
|
}
|
|
|
|
$fq[] = ($missing ? "+{$field}:[* TO *] " : '') . '-('.implode(' ', $excludeq).')';
|
|
}
|
|
|
|
if(!headers_sent()) {
|
|
if ($q) header('X-Query: '.implode(' ', $q));
|
|
if ($fq) header('X-Filters: "'.implode('", "', $fq).'"');
|
|
}
|
|
|
|
if ($offset == -1) $offset = $query->start;
|
|
if ($limit == -1) $limit = $query->limit;
|
|
if ($limit == -1) $limit = SearchQuery::$default_page_size;
|
|
|
|
$params = array_merge($params, array('fq' => implode(' ', $fq)));
|
|
|
|
$res = $service->search(
|
|
$q ? implode(' ', $q) : '*:*',
|
|
$offset,
|
|
$limit,
|
|
$params,
|
|
Apache_Solr_Service::METHOD_POST
|
|
);
|
|
|
|
$results = new ArrayList();
|
|
if($res->getHttpStatus() >= 200 && $res->getHttpStatus() < 300) {
|
|
foreach ($res->response->docs as $doc) {
|
|
$result = DataObject::get_by_id($doc->ClassName, $doc->ID);
|
|
if($result) {
|
|
$results->push($result);
|
|
|
|
// Add highlighting (optional)
|
|
$docId = $doc->_documentid;
|
|
if($res->highlighting && $res->highlighting->$docId) {
|
|
// TODO Create decorator class for search results rather than adding arbitrary object properties
|
|
// TODO Allow specifying highlighted field, and lazy loading
|
|
// in case the search API needs another query (similar to SphinxSearchable->buildExcerpt()).
|
|
$combinedHighlights = array();
|
|
foreach($res->highlighting->$docId as $field => $highlights) {
|
|
$combinedHighlights = array_merge($combinedHighlights, $highlights);
|
|
}
|
|
|
|
// Remove entity-encoded U+FFFD replacement character. It signifies non-displayable characters,
|
|
// and shows up as an encoding error in browsers.
|
|
$result->Excerpt = DBField::create_field(
|
|
'HTMLText',
|
|
str_replace(
|
|
'�',
|
|
'',
|
|
implode(' ... ', $combinedHighlights)
|
|
)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
$numFound = $res->response->numFound;
|
|
} else {
|
|
$numFound = 0;
|
|
}
|
|
|
|
$ret = array();
|
|
$ret['Matches'] = new PaginatedList($results);
|
|
$ret['Matches']->setLimitItems(false);
|
|
// Tell PaginatedList how many results there are
|
|
$ret['Matches']->setTotalItems($numFound);
|
|
// Results for current page start at $offset
|
|
$ret['Matches']->setPageStart($offset);
|
|
// Results per page
|
|
$ret['Matches']->setPageLength($limit);
|
|
// Suggestions (requires custom setup, assumes spellcheck.collate=true)
|
|
if(isset($res->spellcheck->suggestions->collation)) {
|
|
$ret['Suggestion'] = $res->spellcheck->suggestions->collation;
|
|
}
|
|
|
|
return new ArrayData($ret);
|
|
}
|
|
|
|
protected $service;
|
|
|
|
/**
|
|
* @return SolrService
|
|
*/
|
|
public function getService() {
|
|
if(!$this->service) $this->service = Solr::service(get_class($this));
|
|
return $this->service;
|
|
}
|
|
|
|
public function setService(SolrService $service) {
|
|
$this->service = $service;
|
|
return $this;
|
|
}
|
|
}
|