345 lines
11 KiB
PHP
345 lines
11 KiB
PHP
<?php
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// https://www.drupal.org/docs/8/modules/search-api/developer-documentation/executing-a-search-in-code
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namespace Drupal\materio_sapi\Controller;
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use Drupal\Core\Controller\ControllerBase;
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use Symfony\Component\HttpFoundation\JsonResponse;
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use Symfony\Component\HttpFoundation\Request;
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use Drupal\Component\Utility\Tags;
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use Drupal\Component\Utility\Unicode;
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use Drupal\search_api\Entity\Index;
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// https://drupal.stackexchange.com/questions/225008/programatically-use-search-api
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/**
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* Defines a route controller for materio sapi search (regular and ajax).
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*/
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class Base extends ControllerBase {
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private $limit = 15;
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private $offset = 0;
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private function sapiQuery(){
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// https://www.drupal.org/docs/8/modules/search-api/developer-documentation/executing-a-search-in-code
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// https://www.hashbangcode.com/article/drupal-8-date-search-boosting-search-api-and-solr-search
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// https://kgaut.net/blog/2018/drupal-8-search-api-effectuer-une-requete-dans-le-code.html
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$lang = \Drupal::languageManager()->getCurrentLanguage()->getId();
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$this->index = Index::load('database');
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$this->results = [
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'uuids' => [],
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'nids' => []
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];
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// AND QUERY
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$this->and_query = $this->index->query(['offset'=>0,'limit'=>10000]);
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// set parse mode and conjunction
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$parse_mode = \Drupal::service('plugin.manager.search_api.parse_mode')
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->createInstance('terms');
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$parse_mode->setConjunction('AND');
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$this->and_query->setParseMode($parse_mode);
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// Set fulltext search keywords and fields.
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$this->and_query->keys($this->keys);
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// $this->and_query->setFulltextFields(['field_reference']);
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// in case we search for material references like W0117
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if (preg_match_all('/[WTRPCMFGSO]\d{4}/i', $this->keys, $matches)) {
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$ref_conditions = $this->and_query->createConditionGroup('OR');
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foreach ($matches[0] as $key => $value) {
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$ref_conditions->addCondition('field_reference', $value);
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}
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$this->and_query->addConditionGroup($ref_conditions);
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}
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// in case of term id provided restrict the keys to taxo fields
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if ($this->term) {
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$term_conditions = $this->and_query->createConditionGroup('OR');
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$term = (int) $this->term;
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foreach (['tag_tid', 'thesaurus_tid'] as $field) {
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$term_conditions->addCondition($field, $term);
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}
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$this->and_query->addConditionGroup($term_conditions);
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// INSTEAD TRY TO BOOST THE TAG AND THESAURUS FIELDS
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// foreach ($taxoSolrFieldsName as $fname) {
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// // $solarium_query->addParam('bf', "recip(abs(ms(NOW,{$solrField})),3.16e-11,10,0.1)");
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// $bfparam = "if(gt(termfreq({$fname},{$this->term}),0),^21,0)";
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// $this->or_query->addParam('bf', $bfparam);
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// }
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// look @ materio_sapi_search_api_solr_query_alter in materio_sapi.module
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// $this->or_query->setOption('termid', $this->term);
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}
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// FILTERS
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if ($this->filters) {
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$filters_conditions = $this->and_query->createConditionGroup('AND');
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foreach ($this->filters as $filter) {
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$filter = (int) $filter;
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foreach (['tag_tid', 'thesaurus_tid'] as $field) {
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$filters_conditions->addCondition($field, $filter);
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}
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}
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$this->and_query->addConditionGroup($filters_conditions);
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}else{
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// Recherche uniquement sur le champ « body »
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$this->and_query->setFulltextFields([
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'thesaurus_name_0',
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'thesaurus_synonyms_0',
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'thesaurus_name_1',
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'thesaurus_synonyms_1',
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'thesaurus_name_2',
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'thesaurus_synonyms_2',
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'thesaurus_name_3',
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'thesaurus_synonyms_3',
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'thesaurus_name_4',
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'thesaurus_synonyms_4',
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'thesaurus_name',
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'thesaurus_synonyms',
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'tag_name',
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'tag_synonyms'
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]);
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}
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// Restrict the search to specific languages.
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$this->and_query->setLanguages([$lang]);
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// Do paging.
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// $this->and_query->range($this->offset, $this->limit);
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// retrieve all results
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// $this->and_query->range(0, -1);
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// Add sorting.
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$this->and_query->sort('search_api_relevance', 'DESC');
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// Set one or more tags for the query.
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// @see hook_search_api_query_TAG_alter()
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// @see hook_search_api_results_TAG_alter()
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$this->and_query->addTag('materio_sapi_search_and_query');
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$and_results = $this->and_query->execute();
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foreach ($and_results as $result) {
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$this->results['uuids'][] = $result->getField('uuid')->getValues()[0];
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$this->results['nids'][] = $result->getField('nid')->getValues()[0];
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}
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//
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// OR QUERY
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//
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$this->or_query = $this->index->query(['offset'=>0,'limit'=>10000]);
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// Change the parse mode for the search.
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// Les différentes possibilités sont
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// - « direct » => Requête directe
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// - « terms » => Multiple words
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// - « phrase » => Single phrase
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// - " edismax " => ???
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$or_parse_mode = \Drupal::service('plugin.manager.search_api.parse_mode')
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->createInstance('direct');
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$or_parse_mode->setConjunction('OR');
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$this->or_query->setParseMode($or_parse_mode);
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// Set fulltext search keywords and fields.
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$this->or_query->keys($this->keys);
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// $this->or_query->setFulltextFields(['field_reference']);
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// exclude results from and_query
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$exclude_and_results_conditions = $this->or_query->createConditionGroup('AND');
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foreach ($this->results['nids'] as $nid) {
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$exclude_and_results_conditions->addCondition('nid', $nid, '<>');
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}
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$this->or_query->addConditionGroup($exclude_and_results_conditions);
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// Restrict the search to specific languages.
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$this->or_query->setLanguages([$lang]);
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// Do paging.
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// $this->or_query->range($this->offset, $this->limit);
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// retrieve all results
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// $this->or_query->range(0, -1);
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// Add sorting.
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$this->or_query->sort('search_api_relevance', 'DESC');
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// Set one or more tags for the query.
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// @see hook_search_api_query_TAG_alter()
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// @see hook_search_api_results_TAG_alter()
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$this->or_query->addTag('materio_sapi_search_or_query');
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$or_results = $this->or_query->execute();
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foreach ($or_results as $result) {
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$this->results['uuids'][] = $result->getField('uuid')->getValues()[0];
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$this->results['nids'][] = $result->getField('nid')->getValues()[0];
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}
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}
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private function defaultQuery(){
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$lang = \Drupal::languageManager()->getCurrentLanguage()->getId();
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$entity_storage = \Drupal::entityTypeManager()->getStorage('node');
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$this->query = $entity_storage->getQuery()
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->condition('type', ['materiau', 'thematique'], 'IN')
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->condition('status', '1')
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->condition('langcode', $lang)
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->range($this->offset, $this->limit)
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->accessCheck(TRUE)
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->sort('created', 'DESC');
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// ->condition('field_example', 'test_value')
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$this->results = $this->query->execute();
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$this->count_query = $entity_storage->getQuery()
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->condition('type', ['materiau', 'thematique'], 'IN')
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->condition('langcode', $lang)
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->accessCheck(TRUE)
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->condition('status', '1')
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->count();
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$this->count = $this->count_query->execute();
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}
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/**
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* get params from request
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*/
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private function parseRequest(Request $request){
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// Get the typed string from the URL, if it exists.
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$this->keys = $request->query->get('keys');
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if($this->keys){
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$this->keys = Unicode::strtolower($this->keys);
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// $this->keys = Tags::explode($this->keys);
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\Drupal::logger('materio_sapi')->notice($this->keys);
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}
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// get the exacte term id in case of autocomplete
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$this->term = $request->query->get('term');
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// get the filters of advanced search
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$f = $request->query->get('filters');
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$this->filters = strlen($f) ? explode(',', $f) : null;
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// $this->allparams = $request->query->all();
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// $request->attributes->get('_raw_variables')->get('filters')
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//
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$this->offset = $request->query->get('offset') ?? $this->offset;
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$this->limit = $request->query->get('limit') ?? $this->limit;
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}
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/**
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* Handler for ajax search.
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*/
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public function getResults(Request $request) {
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$this->parseRequest($request);
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$resp = [
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'range' => array(
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'offset' => $this->offset,
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'limit' => $this->limit
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),
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];
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if ($this->keys) {
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$this->sapiQuery();
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$resp['keys'] = $this->keys;
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$resp['term'] = $this->term;
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// $resp['count'] = $this->results->getResultCount();
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$resp['count'] = count($this->results['nids']);
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$resp['infos'] = t('The search found @count result(s) with keywords @keys.', array(
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"@count" => $resp['count'],
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"@keys" => $this->keys
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));
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// $resp['options'] = $this->query->getOptions();
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// $uuids = [];
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// $nids = [];
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// foreach ($this->results as $result) {
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// $uuids[] = $result->getField('uuid')->getValues()[0];
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// $nids[] = $result->getField('nid')->getValues()[0];
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// }
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$resp['nids'] = array_slice($this->results['nids'], $this->offset, $this->limit);
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$resp['uuids'] = array_slice($this->results['uuids'], $this->offset, $this->limit);
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} else {
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// no keys or terms to search for
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// display the default base page
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$this->defaultQuery();
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// $uuids = [];
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$nids = [];
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// Using entityTypeManager
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// Get a node storage object.
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// $node_storage = \Drupal::entityTypeManager()->getStorage('node');
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foreach ($this->results as $result) {
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// $lang = \Drupal::languageManager()->getCurrentLanguage()->getId();
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// Load a single node.
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// $node = $node_storage->load($result);
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// check if has translation
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// i used to filter like bellow because of a graphql probleme
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// if ($node->hasTranslation($lang)) {
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$nids[] = $result;
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// }
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}
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// $resp['uuids'] = $uuids;
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$resp['nids'] = $nids;
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$resp['count'] = $this->count;
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$resp['infos'] = t('Please use the search form to search from our @count materials.', array(
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"@count" => $resp['count']
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));
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}
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return new JsonResponse($resp);
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}
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/**
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* Handler for regular page search.
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*/
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function pageHandler(Request $request){
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// \Drupal::logger('materio_sapi')->notice(print_r($request, true));
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$this->parseRequest($request);
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$resp = [
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"#title" => 'Base'
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];
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if ($this->keys) {
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$resp['#title'] = $this->keys;
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// $this->sapiQuery();
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// $node_storage = \Drupal::entityTypeManager()->getStorage('node');
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// $node_view_builder = \Drupal::entityTypeManager()->getViewBuilder('node');
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// // $items = $this->results->getResultItems();
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// $nids = $this->results['nids'];
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// $this->items = [];
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// foreach ($nids as $nid) {
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// // \Drupal::logger('materio_sapi')->notice(print_r($nid, true));
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// try {
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// /** @var \Drupal\Core\Entity\EntityInterface $entity */
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// // $entity = $item->getOriginalObject()->getValue();
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// $entity = $node_storage->load($nid);
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// }
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// catch (SearchApiException $e) {
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// continue;
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// }
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// if (!$entity) {
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// continue;
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// }
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// // TODO: define dynamicly viewmode
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// $this->items[] = $node_view_builder->view($entity, 'teaser');
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// }
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// $resp['items'] = $this->items;
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$resp['items'] = [];
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}else{
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$resp['#markup'] = t("no keys to search for");
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}
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return $resp;
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}
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}
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