mirror of
https://github.com/silverstripe/silverstripe-fulltextsearch
synced 2024-10-22 14:05:29 +02:00
304 lines
9.5 KiB
PHP
304 lines
9.5 KiB
PHP
<?php
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Solr::include_client_api();
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abstract class SolrIndex extends SearchIndex {
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static $fulltextTypeMap = array(
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'*' => 'text',
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'HTMLVarchar' => 'htmltext',
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'HTMLText' => 'htmltext'
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);
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static $filterTypeMap = array(
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'*' => 'string',
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'Boolean' => 'boolean',
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'Date' => 'tdate',
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'SSDatetime' => 'tdate',
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'SS_Datetime' => 'tdate',
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'ForeignKey' => 'tint',
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'Int' => 'tint',
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'Float' => 'tfloat',
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'Double' => 'tdouble'
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);
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static $sortTypeMap = array();
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function generateSchema() {
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return $this->renderWith(Director::baseFolder() . '/fulltextsearch/conf/templates/schema.ss');
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}
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function getIndexName() {
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return get_class($this);
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}
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function getTypes() {
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return $this->renderWith(Director::baseFolder() . '/fulltextsearch/conf/templates/types.ss');
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}
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function getFieldDefinitions() {
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$xml = array();
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$stored = Director::isDev() ? "stored='true'" : "stored='false'";
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$xml[] = "";
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// Add the hardcoded field definitions
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$xml[] = "<field name='_documentid' type='string' indexed='true' stored='true' required='true' />";
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$xml[] = "<field name='ID' type='tint' indexed='true' stored='true' required='true' />";
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$xml[] = "<field name='ClassName' type='string' indexed='true' stored='true' required='true' />";
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$xml[] = "<field name='ClassHierarchy' type='string' indexed='true' stored='true' required='true' multiValued='true' />";
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// Add the fulltext collation field
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$xml[] = "<field name='_text' type='htmltext' indexed='true' $stored multiValued='true' />" ;
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// Add the user-specified fields
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foreach ($this->fulltextFields as $name => $field) {
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$type = isset(self::$fulltextTypeMap[$field['type']]) ? self::$fulltextTypeMap[$field['type']] : self::$fulltextTypeMap['*'];
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$xml[] = "<field name='{$name}' type='$type' indexed='true' $stored />";
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}
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foreach ($this->filterFields as $name => $field) {
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if ($field['fullfield'] == 'ID' || $field['fullfield'] == 'ClassName') continue;
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$multiValued = (isset($field['multi_valued']) && $field['multi_valued']) ? "multiValued='true'" : '';
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$type = isset(self::$filterTypeMap[$field['type']]) ? self::$filterTypeMap[$field['type']] : self::$filterTypeMap['*'];
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$xml[] = "<field name='{$name}' type='{$type}' indexed='true' $stored $multiValued />";
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}
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foreach ($this->sortFields as $name => $field) {
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if ($field['fullfield'] == 'ID' || $field['fullfield'] == 'ClassName') continue;
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$multiValued = (isset($field['multi_valued']) && $field['multi_valued']) ? "multiValued='true'" : '';
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$typeMap = array_merge(self::$filterTypeMap, self::$sortTypeMap);
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$type = isset($typeMap[$field['type']]) ? $typeMap[$field['type']] : $typeMap['*'];
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$xml[] = "<field name='{$name}' type='{$type}' indexed='true' $stored $multiValued />";
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}
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return implode("\n\t\t", $xml);
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}
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function getCopyFieldDefinitions() {
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$xml = array();
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foreach ($this->fulltextFields as $name => $field) {
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$xml[] = "<copyField source='{$name}' dest='_text' />";
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}
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return implode("\n\t", $xml);
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}
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protected function _addField($doc, $object, $field) {
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$class = get_class($object);
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if ($class != $field['origin'] && !is_subclass_of($class, $field['origin'])) return;
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$value = $this->_getFieldValue($object, $field);
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$type = isset(self::$filterTypeMap[$field['type']]) ? self::$filterTypeMap[$field['type']] : self::$filterTypeMap['*'];
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if (is_array($value)) foreach($value as $sub) {
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/* Solr requires dates in the form 1995-12-31T23:59:59Z */
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if ($type == 'tdate') $sub = gmdate('Y-m-d\TH:i:s\Z', strtotime($sub));
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/* Solr requires numbers to be valid if presented, not just empty */
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if (($type == 'tint' || $type == 'tfloat' || $type == 'tdouble') && !is_numeric($sub)) continue;
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$doc->addField($field['name'], $sub);
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}
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else {
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/* Solr requires dates in the form 1995-12-31T23:59:59Z */
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if ($type == 'tdate') $value = gmdate('Y-m-d\TH:i:s\Z', strtotime($value));
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/* Solr requires numbers to be valid if presented, not just empty */
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if (($type == 'tint' || $type == 'tfloat' || $type == 'tdouble') && !is_numeric($value)) return;
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$doc->setField($field['name'], $value);
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}
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}
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protected function _addAs($object, $base, $options) {
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$includeSubs = $options['include_children'];
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$doc = new Apache_Solr_Document();
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// Always present fields
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$doc->setField('_documentid', $this->getDocumentID($object, $base, $includeSubs));
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$doc->setField('ID', $object->ID);
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$doc->setField('ClassName', $object->ClassName);
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foreach (SearchIntrospection::hierarchy(get_class($object), false) as $class) $doc->addField('ClassHierarchy', $class);
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// Add the user-specified fields
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foreach ($this->getFieldsIterator() as $name => $field) {
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if ($field['base'] == $base) $this->_addField($doc, $object, $field);
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}
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Solr::service(get_class($this))->addDocument($doc);
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}
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function add($object) {
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$class = get_class($object);
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foreach ($this->getClasses() as $searchclass => $options) {
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if ($searchclass == $class || ($options['include_children'] && is_subclass_of($class, $searchclass))) {
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$this->_addAs($object, $searchclass, $options);
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}
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}
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}
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function canAdd($class) {
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foreach ($this->classes as $searchclass => $options) {
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if ($searchclass == $class || ($options['include_children'] && is_subclass_of($class, $searchclass))) return true;
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}
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return false;
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}
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function delete($base, $id, $state) {
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$documentID = $this->getDocumentIDForState($base, $id, $state);
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Solr::service(get_class($this))->deleteById($documentID);
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}
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function commit() {
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Solr::service(get_class($this))->commit(false, false, false);
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}
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public function search($query, $offset = -1, $limit = -1) {
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$service = Solr::service(get_class($this));
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SearchVariant::with(count($query->classes) == 1 ? $query->classes[0]['class'] : null)->call('alterQuery', $query, $this);
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$q = array();
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$fq = array();
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// Build the search itself
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foreach ($query->search as $search) {
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$text = $search['text'];
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preg_match_all('/"[^"]*"|\S+/', $text, $parts);
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$fuzzy = $search['fuzzy'] ? '~' : '';
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foreach ($parts[0] as $part) {
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if ($search['fields']) {
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$searchq = array();
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foreach ($search['fields'] as $field) {
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$searchq[] = "{$field}:".$part.$fuzzy;
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}
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$q[] = '+('.implode(' ', $searchq).')';
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}
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else {
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$q[] = '+'.$part;
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}
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}
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}
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// Filter by class if requested
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$classq = array();
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foreach ($query->classes as $class) {
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if ($class['includeSubclasses']) $classq[] = 'ClassHierarchy:'.$class['class'];
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else $classq[] = 'ClassName:'.$class['class'];
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}
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if ($classq) $fq[] = '+('.implode(' ', $classq).')';
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// Filter by filters
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foreach ($query->require as $field => $values) {
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$requireq = array();
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foreach ($values as $value) {
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if ($value === SearchQuery::$missing) {
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$requireq[] = "(*:* -{$field}:[* TO *])";
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}
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else if ($value === SearchQuery::$present) {
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$requireq[] = "{$field}:[* TO *]";
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}
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else if ($value instanceof SearchQuery_Range) {
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$start = $value->start; if ($start === null) $start = '*';
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$end = $value->end; if ($end === null) $end = '*';
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$requireq[] = "$field:[$start TO $end]";
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}
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else {
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$requireq[] = $field.':"'.$value.'"';
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}
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}
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$fq[] = '+('.implode(' ', $requireq).')';
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}
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foreach ($query->exclude as $field => $values) {
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$excludeq = array();
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$missing = false;
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foreach ($values as $value) {
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if ($value === SearchQuery::$missing) {
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$missing = true;
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}
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else if ($value === SearchQuery::$present) {
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$excludeq[] = "{$field}:[* TO *]";
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}
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else if ($value instanceof SearchQuery_Range) {
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$start = $value->start; if ($start === null) $start = '*';
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$end = $value->end; if ($end === null) $end = '*';
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$excludeq[] = "$field:[$start TO $end]";
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}
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else {
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$excludeq[] = $field.':"'.$value.'"';
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}
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}
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$fq[] = ($missing ? "+{$field}:[* TO *] " : '') . '-('.implode(' ', $excludeq).')';
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}
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if ($q) header('X-Query: '.implode(' ', $q));
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if ($fq) header('X-Filters: "'.implode('", "', $fq).'"');
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if ($offset == -1) $offset = $query->start;
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if ($limit == -1) $limit = $query->limit;
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if ($limit == -1) $limit = SearchQuery::$default_page_size;
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$res = $service->search($q ? implode(' ', $q) : '*:*', $offset, $limit, array('fq' => implode(' ', $fq)), Apache_Solr_Service::METHOD_POST);
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$results = new ArrayList();
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foreach ($res->response->docs as $doc) {
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$result = DataObject::get_by_id($doc->ClassName, $doc->ID);
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if($result) {
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$results->push($result);
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// Add highlighting (optional)
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$docId = $doc->_documentid;
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if($res->highlighting && $res->highlighting->$docId) {
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// TODO Create decorator class for search results rather than adding arbitrary object properties
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// TODO Allow specifying highlighted field, and lazy loading
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// in case the search API needs another query (similar to SphinxSearchable->buildExcerpt()).
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$combinedHighlights = array();
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foreach($res->highlighting->$docId as $field => $highlights) {
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$combinedHighlights = array_merge($combinedHighlights, $highlights);
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}
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$result->Excerpt = implode(' ... ', $combinedHighlights);
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}
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}
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}
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$ret = array();
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$ret['Matches'] = new PaginatedList($results);
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$ret['Matches']->setLimitItems(false);
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// Tell PaginatedList how many results there are
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$ret['Matches']->setTotalItems($res->response->numFound);
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// Results for current page start at $offset
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$ret['Matches']->setPageStart($offset);
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// Results per page
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$ret['Matches']->setPageLength($limit);
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return new ArrayData($ret);
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}
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}
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