removes MungerInjectionFactory

replaced by

MungerInjectionDelegatorFactory

module/finc/src/finc/Service/MungerInjectionFactory.php

-<?php
-
-namespace finc\Service;
-
-use VuFindSearch\Query\Query,
-    VuFindSearch\Query\QueryGroup;
-use Zend\Config\Config;
-use Zend\ServiceManager\DelegatorFactoryInterface,
-    Zend\ServiceManager\ServiceLocatorInterface;
-use Zend\EventManager\EventInterface;
-use VuFindSearch\Service as SearchService;
-
-/**
- * Class MungerInjectionFactory
- * A Delegator Factory that registers several listeners at events triggered by the VuFind\Search service.
- * @package finc\Service
- */
-class MungerInjectionFactory implements DelegatorFactoryInterface {
-
-    /**
-     * @var SearchService
-     */
-    protected $instance;
-
-    /**
-     * @var array names of search handlers for which colons should be escaped
-     */
-    protected $searches_to_escape;
-
-    /**
-     * @var array shard configuration to register in all queries
-     */
-    protected $shards_to_register;
-
-    /**
-     * Creates a delegator of VuFind/Search to register several listeners.
-     * @param ServiceLocatorInterface $serviceLocator
-     * @param string $name
-     * @param string $requestedName
-     * @param callable $callback
-     * @return mixed
-     */
-    public function createDelegatorWithName(ServiceLocatorInterface $serviceLocator, $name, $requestedName, $callback)
-    {
-        $instance = call_user_func($callback);
-        $searchConfig = $serviceLocator->get('VuFind\Config')->get('searches');
-        $e = $instance->getEventManager()->getSharedManager();
-        $handlers = $searchConfig->General->escaped_colon_searches;
-        if (!empty($handlers)) {
-            $this->searches_to_escape = $handlers->toArray();
-            $e->attach('VuFind\Search', 'pre',
-                function (EventInterface $event) {
-                    $params = $event->getParams();
-                    if (isset($params['query'])) {
-                        $params['query'] = $this->escapeColons($params['query']);
-                    }
-                }
-            );
-        }
-        if (!empty($searchConfig->IndexShards)) {
-            $shards = $searchConfig->IndexShards->toArray();
-            if ($excludedShards = $searchConfig->ShardPreferences->on_user_search_only) {
-                $shards = array_diff_key($shards, array_flip(explode(',', $excludedShards)));
-            }
-            if (!empty($shards)) {
-                $this->shards_to_register = $shards;
-                $e->attach('VuFind\Search', 'pre', [$this, 'registerShards']);
-            }
-        }
-        return $instance;
-    }
-
-    /**
-     * Escapes colons in Queries or recursively in QueryGroups.
-     * This prevents queries from being interpreted as advanced queries in Lucene syntax.
-     * cf. \VuFindSearch\Backend\Solr\LuceneSyntaxHelper::containsAdvancedLuceneSyntax
-     * @param Query|QueryGroup $queryOrGroup
-     * @return mixed
-     */
-    private function escapeColons($queryOrGroup) {
-
-        if ($queryOrGroup instanceof QueryGroup) {
-            $handler = $queryOrGroup->getReducedHandler();
-            if (is_null($handler) || in_array($handler,$this->searches_to_escape)) {
-                foreach ($queryOrGroup->getQueries() as $query) {
-                    $this->escapeColons($query);
-                }
-            }
-        } elseif (in_array($queryOrGroup->getHandler(),$this->searches_to_escape)) {
-            $queryOrGroup->setString(
-            // mask whitespaces that follow a colon
-            // that avoids the removal of that very colon via
-            // \VuFindSearch\Backend\Solr\LuceneSyntaxHelper::normalizeColons
-                preg_replace('/(?<=\:)\s/', '\ ', $queryOrGroup->getString())
-            );
-        }
-        return $queryOrGroup;
-    }
-
-    /**
-     * Event Listener on Search/Pre that registers all configured shards for every search request
-     * @param EventInterface $event
-     */
-    public function registerShards(EventInterface $event) {
-
-        $params = $event->getParam('params');
-        if (empty($params->get('shards'))) {
-            $params->set('shards',implode(',',$this->shards_to_register));
-        }
-    }
-}
\ No newline at end of file