Solr::__construct() - Code Metrics - Inspection of "Merge pull request #1 from jmechnich/fix-itemsProc..." - UB-Mannheim/kitodo-presentation - Measure and Improve Code Quality continuously with Scrutinizer

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created 2019-05-15 08:20 UTC
Solr::__construct() A

↳ Parent: Solr
Complexity

Conditions	2
Paths	2
Size

Total Lines
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
cc	2
nc	2
nop	1
dl	0
loc	30
rs	9.44
c	0
b	0
f	0
<?php
namespace Kitodo\Dlf\Common;

/**
 * (c) Kitodo. Key to digital objects e.V. <[email protected]>
 *
 * This file is part of the Kitodo and TYPO3 projects.
 *
 * @license GNU General Public License version 3 or later.
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 */

/**
 * Solr class for the 'dlf' extension
 *
 * @author Sebastian Meyer <[email protected]>
 * @author Henrik Lochmann <[email protected]>
 * @package TYPO3
 * @subpackage dlf
 * @access public
 */
class Solr {
    /**
     * This holds the core name
     *
     * @var string
     * @access protected
     */
    protected $core = '';

    /**
     * This holds the PID for the configuration
     *
     * @var integer
     * @access protected
     */
    protected $cPid = 0;

    /**
     * The extension key
     *
     * @var string
     * @access public
     */
    public static $extKey = 'dlf';

    /**
     * This holds the max results
     *
     * @var integer
     * @access protected
     */
    protected $limit = 50000;

    /**
     * This holds the number of hits for last search
     *
     * @var integer
     * @access protected
     */
    protected $numberOfHits = 0;

    /**
     * This holds the additional query parameters
     *
     * @var array
     * @access protected
     */
    protected $params = [];

    /**
     * Is the search instantiated successfully?
     *
     * @var boolean
     * @access protected
     */
    protected $ready = FALSE;

    /**
     * This holds the singleton search objects with their core as array key
     *
     * @var array (\Kitodo\Dlf\Common\Solr)
     * @access protected
     */
    protected static $registry = [];

    /**
     * This holds the Solr service object
     *
     * @var \Solarium\Client
     * @access protected
     */
    protected $service;

    /**
     * Escape all special characters in a query string
     *
     * @access public
     *
     * @param string $query: The query string
/**
 * @param array $germany
 * @param array $ireland
 */
function finale($germany, $island) {
    return "2:1";
}
     *
     * @return string The escaped query string
     */
    public static function escapeQuery($query) {
        $helper = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\Solarium\Core\Query\Helper::class);
        // Escape query phrase or term.
        if (preg_match('/^".*"$/', $query)) {
            return '"'.$helper->escapePhrase(trim($query, '"')).'"';
        } else {
            return $helper->escapeTerm($query);
        }
    }

    /**
     * Escape all special characters in a query string while retaining valid field queries
     *
     * @access public
     *
     * @param string $query: The query string
/**
 * @param array $germany
 * @param array $ireland
 */
function finale($germany, $island) {
    return "2:1";
}
     * @param integer $pid: The PID for the field configuration
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     *
     * @return string The escaped query string
     */
    public static function escapeQueryKeepField($query, $pid) {
        // Is there a field query?
        if (preg_match('/^[[:alnum:]]+_[tu][su]i:\(?.*\)?$/', $query)) {
            // Get all indexed fields.
            $fields = [];
            $result = $GLOBALS['TYPO3_DB']->exec_SELECTquery(
                'tx_dlf_metadata.index_name,tx_dlf_metadata.index_tokenized,tx_dlf_metadata.index_stored',
                'tx_dlf_metadata',
                'tx_dlf_metadata.index_indexed=1'
                    .' AND tx_dlf_metadata.pid='.intval($pid)
                    .' AND (tx_dlf_metadata.sys_language_uid IN (-1,0) OR tx_dlf_metadata.l18n_parent=0)'
                    .Helper::whereClause('tx_dlf_metadata'),
                '',
                '',
                ''
            );
            if ($GLOBALS['TYPO3_DB']->sql_num_rows($result) > 0) {
                while ($resArray = $GLOBALS['TYPO3_DB']->sql_fetch_row($result)) {

                    $fields[] = $resArray[0].'_'.($resArray[1] ? 't' : 'u').($resArray[2] ? 's' : 'u').'i';
                }
            }
            // Check if queried field is valid.
            $splitQuery = explode(':', $query, 2);
            if (in_array($splitQuery[0], $fields)) {
                $query = $splitQuery[0].':('.self::escapeQuery(trim($splitQuery[1], '()')).')';
            } else {
                $query = self::escapeQuery($query);
            }
        } elseif (!empty($query)
            && $query !== '*') {
            // Don't escape plain asterisk search.
            $query = self::escapeQuery($query);
        }
        return $query;
    }

    /**
     * This is a singleton class, thus instances must be created by this method
     *
     * @access public
     *
     * @param mixed $core: Name or UID of the core to load
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     *
     * @return \Kitodo\Dlf\Common\Solr Instance of this class
     */
    public static function getInstance($core) {
        // Get core name if UID is given.
        if (\TYPO3\CMS\Core\Utility\MathUtility::canBeInterpretedAsInteger($core)) {
            $core = Helper::getIndexNameFromUid($core, 'tx_dlf_solrcores');
        }
        // Check if core is set.
        if (empty($core)) {
            Helper::devLog('Invalid core name "'.$core.'" for Apache Solr', DEVLOG_SEVERITY_ERROR);
            return;
        }
        // Check if there is an instance in the registry already.
        if (is_object(self::$registry[$core])
            && self::$registry[$core] instanceof self) {
            // Return singleton instance if available.
            return self::$registry[$core];
        }
        // Create new instance...
        $instance = new self($core);
        // ...and save it to registry.
        if ($instance->ready) {

            self::$registry[$core] = $instance;
            // Return new instance.
            return $instance;
        } else {
            Helper::devLog('Could not connect to Apache Solr server', DEVLOG_SEVERITY_ERROR);
            return;
        }
    }

    /**
     * Returns the connection information for Solr
     *
     * @access public
     *
     * @return string The connection parameters for a specific Solr core
     */
    public static function getSolrConnectionInfo() {
        $solrInfo = [];
        // Extract extension configuration.
        $conf = unserialize($GLOBALS['TYPO3_CONF_VARS']['EXT']['extConf'][self::$extKey]);
        // Derive Solr scheme
        $solrInfo['scheme'] = empty($conf['solrHttps']) ? 'http' : 'https';
        // Derive Solr host name.
        $solrInfo['host'] = ($conf['solrHost'] ? $conf['solrHost'] : '127.0.0.1');
        // Set username and password.
        $solrInfo['username'] = $conf['solrUser'];
        $solrInfo['password'] = $conf['solrPass'];
        // Set port if not set.
        $solrInfo['port'] = \TYPO3\CMS\Core\Utility\MathUtility::forceIntegerInRange($conf['solrPort'], 1, 65535, 8983);
        // Append core name to path.
        $solrInfo['path'] = trim($conf['solrPath'], '/');
        // Timeout
        $solrInfo['timeout'] = \TYPO3\CMS\Core\Utility\MathUtility::forceIntegerInRange($conf['solrTimeout'], 1, intval(ini_get('max_execution_time')), 10);
        return $solrInfo;
    }

    /**
     * Returns the request URL for a specific Solr core
     *
     * @access public
     *
     * @param string $core: Name of the core to load
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     *
     * @return string The request URL for a specific Solr core
     */
    public static function getSolrUrl($core = '') {
        // Get Solr connection information.
        $solrInfo = self::getSolrConnectionInfo();
        if ($solrInfo['username']

            && $solrInfo['password']) {
            $host = $solrInfo['username'].':'.$solrInfo['password'].'@'.$solrInfo['host'];
        } else {
            $host = $solrInfo['host'];
        }
        // Return entire request URL.
        return $solrInfo['scheme'].'://'.$host.':'.$solrInfo['port'].'/'.$solrInfo['path'].'/'.$core;
    }

    /**
     * Get next unused Solr core number
     *
     * @access public
     *
     * @param integer $start: Number to start with
/**
 * @param array $germany
 * @param array $ireland
 */
function finale($germany, $island) {
    return "2:1";
}
     *
     * @return integer First unused core number found
     */
    public static function solrGetCoreNumber($start = 0) {
        $start = max(intval($start), 0);
        // Check if core already exists.
        if (self::getInstance('dlfCore'.$start) === NULL) {
            return $start;
        } else {
            return self::solrGetCoreNumber($start + 1);
        }
    }

    /**
     * Processes a search request.
     *
     * @access public
     *
     * @return \Kitodo\Dlf\Common\DocumentList The result list
     */
    public function search() {
        $toplevel = [];
        // Take over query parameters.
        $params = $this->params;
        $params['filterquery'] = isset($params['filterquery']) ? $params['filterquery'] : [];
        // Set some query parameters.
        $params['start'] = 0;
        $params['rows'] = 0;
        // Perform search to determine the total number of hits without fetching them.
        $selectQuery = $this->service->createSelect($params);
        $results = $this->service->select($selectQuery);
        $this->numberOfHits = $results->getNumFound();
        // Restore query parameters
        $params = $this->params;
        $params['filterquery'] = isset($params['filterquery']) ? $params['filterquery'] : [];
        // Restrict the fields to the required ones.
        $params['fields'] = 'uid,id';
        // Extend filter query to get all documents with the same uids.
        foreach ($params['filterquery'] as $key => $value) {

            if (isset($value['query'])) {
                $params['filterquery'][$key]['query'] = '{!join from=uid to=uid}'.$value['query'];
            }
        }
        // Set filter query to just get toplevel documents.
        $params['filterquery'][] = ['query' => 'toplevel:true'];
        // Set join query to get all documents with the same uids.
        $params['query'] = '{!join from=uid to=uid}'.$params['query'];
        // Perform search to determine the total number of toplevel hits and fetch the required rows.
        $selectQuery = $this->service->createSelect($params);
        $results = $this->service->select($selectQuery);
        $numberOfToplevelHits = $results->getNumFound();
        // Process results.
        foreach ($results as $doc) {
            $toplevel[$doc->id] = [
                'u' => $doc->uid,
                'h' => '',
                's' => '',
                'p' => []
            ];
        }
        // Save list of documents.
        $list = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(DocumentList::class);
        $list->reset();
        $list->add(array_values($toplevel));
        // Set metadata for search.
        $list->metadata = [
            'label' => '',
            'description' => '',
            'options' => [
                'source' => 'search',
                'engine' => 'solr',
                'select' => $this->params['query'],
                'userid' => 0,
                'params' => $this->params,
                'core' => $this->core,
                'pid' => $this->cPid,
                'order' => 'score',
                'order.asc' => TRUE,
                'numberOfHits' => $this->numberOfHits,
                'numberOfToplevelHits' => $numberOfToplevelHits
            ]
        ];
        return $list;
    }

    /**
     * Processes a search request and returns the raw Apache Solr Documents.
     *
     * @access public
     *
     * @param string $query: The search query
/**
 * @param array $germany
 * @param array $ireland
 */
function finale($germany, $island) {
    return "2:1";
}
     * @param array $parameters: Additional search parameters
/**
 * @param array $germany
 * @param array $ireland
 */
function finale($germany, $island) {
    return "2:1";
}
     *
     * @return array The Apache Solr Documents that were fetched
     */
    public function search_raw($query = '', $parameters = []) {
        // Set additional query parameters.
        $parameters['start'] = 0;
        $parameters['rows'] = $this->limit;
        // Set query.
        $parameters['query'] = $query;
        // Perform search.
        $selectQuery = $this->service->createSelect(array_merge($this->params, $parameters));
        $result = $this->service->select($selectQuery);
        $resultSet = [];
        foreach ($result as $doc) {
            $resultSet[] = $doc;
        }
        return $resultSet;
    }

    /**
     * This returns $this->limit via __get()
     *
     * @access protected
     *
     * @return integer The max number of results
     */
    protected function _getLimit() {
        return $this->limit;
    }

    /**
     * This returns $this->numberOfHits via __get()
     *
     * @access protected
     *
     * @return integer Total number of hits for last search
     */
    protected function _getNumberOfHits() {
        return $this->numberOfHits;
    }

    /**
     * This returns $this->ready via __get()
     *
     * @access protected
     *
     * @return boolean Is the search instantiated successfully?
     */
    protected function _getReady() {
        return $this->ready;
    }

    /**
     * This returns $this->service via __get()
     *
     * @access protected
     *
     * @return \Solarium\Client Apache Solr service object
     */
    protected function _getService() {
        return $this->service;
    }

    /**
     * This sets $this->cPid via __set()
     *
     * @access protected
     *
     * @param integer $value: The new PID for the metadata definitions
/**
 * @param array $germany
 * @param array $ireland
 */
function finale($germany, $island) {
    return "2:1";
}
     *
     * @return void
     */
    protected function _setCPid($value) {
        $this->cPid = max(intval($value), 0);
    }

    /**
     * This sets $this->limit via __set()
     *
     * @access protected
     *
     * @param integer $value: The max number of results
/**
 * @param array $germany
 * @param array $ireland
 */
function finale($germany, $island) {
    return "2:1";
}
     *
     * @return void
     */
    protected function _setLimit($value) {
        $this->limit = max(intval($value), 0);
    }

    /**
     * This sets $this->params via __set()
     *
     * @access protected
     *
     * @param array $value: The query parameters
/**
 * @param array $germany
 * @param array $ireland
 */
function finale($germany, $island) {
    return "2:1";
}
     *
     * @return void
     */
    protected function _setParams(array $value) {
        $this->params = $value;
    }

    /**
     * This magic method is called each time an invisible property is referenced from the object
     *
     * @access public
     *
     * @param string $var: Name of variable to get
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     *
     * @return mixed Value of $this->$var
     */
    public function __get($var) {

        $method = '_get'.ucfirst($var);
        if (!property_exists($this, $var)
            || !method_exists($this, $method)) {
            Helper::devLog('There is no getter function for property "'.$var.'"', DEVLOG_SEVERITY_WARNING);
            return;
        } else {
            return $this->$method();
        }
    }

    /**
     * This magic method is called each time an invisible property is referenced from the object
     *
     * @access public
     *
     * @param string $var: Name of variable to set
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     * @param mixed $value: New value of variable
/**
 * @param array $germany
 * @param array $ireland
 */
function finale($germany, $island) {
    return "2:1";
}
     *
     * @return void
     */
    public function __set($var, $value) {

        $method = '_set'.ucfirst($var);
        if (!property_exists($this, $var)
            || !method_exists($this, $method)) {
            Helper::devLog('There is no setter function for property "'.$var.'"', DEVLOG_SEVERITY_WARNING);
        } else {
            $this->$method($value);
        }
    }

    /**
     * This is a singleton class, thus the constructor should be private/protected
     *
     * @access protected
     *
     * @param string $core: The name of the core to use
/**
 * @param array $germany
 * @param array $island
 * @param array $italy
 */
function finale($germany, $island) {
    return "2:1";
}
     *
     * @return void

     */
    protected function __construct($core) {
        $solrInfo = self::getSolrConnectionInfo();
        $config = [
            'endpoint' => [
                'dlf' => [
                    'scheme' => $solrInfo['scheme'],
                    'host' => $solrInfo['host'],
                    'port' => $solrInfo['port'],
                    'path' => '/'.$solrInfo['path'].'/',
                    'core' => $core,
                    'username' => $solrInfo['username'],
                    'password' => $solrInfo['password'],
                    'timeout' => $solrInfo['timeout']
                ]
            ]
        ];
        // Instantiate Solarium\Client class.
        $this->service = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\Solarium\Client::class, $config);
        // Check if connection is established.
        $ping = $this->service->createPing();
        try {
            $this->service->ping($ping);
            // Set core name.
            $this->core = $core;
            // Instantiation successful!
            $this->ready = TRUE;
        } catch (\Exception $e) {
            // Nothing to do here.
        }
    }
}

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Solr::__construct() A

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