cakephp-sphinx-behavior/sphinx.php at master · PathMotion/cakephp-sphinx-behavior · GitHub

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<?php
/**
 * Behavior for simple usage of Sphinx search engine
 * http://www.sphinxsearch.com
 *
 * @copyright 2008, Vilen Tambovtsev
 * @author  Vilen Tambovtsev
 * @license http://www.opensource.org/licenses/mit-license.php The MIT License
 */


class SphinxBehavior extends ModelBehavior
{
    /**
     * Used for runtime configuration of model
     */
    var $runtime = array();
    var $_defaults = array('server' => 'localhost', 'port' => 3312);

    var $_cached_result = null;

    /**
     * Spinx client object
     *
     * @var SphinxClient
     */
    var $sphinx = null;

    function setup(&$model, $config = array())
    {
        $settings = array_merge($this->_defaults, (array)$config);

        $this->settings[$model->alias] = $settings;

        App::import('Vendor', 'sphinxapi');
        $this->runtime[$model->alias]['sphinx'] = new SphinxClient();
        $this->runtime[$model->alias]['sphinx']->SetServer($this->settings[$model->alias]['server'],
                                                           $this->settings[$model->alias]['port']);
    }

    /**
     * beforeFind Callback
     *
     * @param array $query
     * @return array Modified query
     * @access public
     */
    function beforeFind(&$model, $query)
    {
        if (empty($query['sphinx']) || empty($query['search']))
            return true;

        if ($model->findQueryType == 'count')
        {
            $model->recursive = -1;
            $query['limit'] = 1;
            $query['page'] = 1;
        }
        else if (empty($query['limit']))
        {
            $query['limit'] = 9999999;
            $query['page'] = 1;
        }

        foreach ($query['sphinx'] as $key => $setting)
        {

            switch ($key)
            {
                case 'filter':
                    foreach ($setting as $arg)
                    {
                        $arg[2] = empty($arg[2]) ? false : $arg[2];
                        $this->runtime[$model->alias]['sphinx']->SetFilter($arg[0], (array)$arg[1], $arg[2]);
                    }
                   break;
                case 'filterRange':
                case 'filterFloatRange':
                    $method = 'Set' . $key;
                    foreach ($setting as $arg)
                    {
                        $arg[3] = empty($arg[3]) ? false : $arg[3];
                        $this->runtime[$model->alias]['sphinx']->{$method}($arg[0], (array)$arg[1], $arg[2], $arg[3]);
                    }
                   break;
                case 'matchMode':
                   $this->runtime[$model->alias]['sphinx']->SetMatchMode($setting);
                   break;
                case 'sortMode':
                    $this->runtime[$model->alias]['sphinx']->SetSortMode(key($setting), reset($setting));
                    break;
                case 'fieldWeights':
                    $this->runtime[$model->alias]['sphinx']->SetFieldWeights($setting);
                    break;
                case 'rankingMode':
                    $this->runtime[$model->alias]['sphinx']->SetRankingMode($setting);
                    break;
                default:
                    break;
            }
        }
        $this->runtime[$model->alias]['sphinx']->SetLimits(($query['page'] - 1) * $query['limit'], $query['limit']);

        $indexes = !empty($query['sphinx']['index']) ? implode(',' , $query['sphinx']['index']) : '*';

        $result = $this->runtime[$model->alias]['sphinx']->Query($query['search'], $indexes);

        if ($result === false)
        {
            trigger_error("Search query failed: " . $this->runtime[$model->alias]['sphinx']->GetLastError());
            return false;
        }
        else if(isset($result['matches']))
        {
            if ($this->runtime[$model->alias]['sphinx']->GetLastWarning())
            {
                trigger_error("Search query warning: " . $this->runtime[$model->alias]['sphinx']->GetLastWarning());
            }
        }

        unset($query['conditions']);
        unset($query['order']);
        unset($query['offset']);
        $query['page'] = 1;
        if ($model->findQueryType == 'count')
        {
            $result['total'] = !empty($result['total']) ? $result['total'] : 0;
            $query['fields'] = 'ABS(' . $result['total'] . ') AS count';

        }
        else
        {
            $this->_cached_result = $result;

            if (isset($result['matches']))
                $ids = array_keys($result['matches']);
            else
                $ids = array(0);
            $query['conditions'] = array($model->alias . '.'.$model->primaryKey => $ids);
            $query['order'] = 'FIND_IN_SET('.$model->alias.'.'.$model->primaryKey.', \'' . implode(',', $ids) . '\')';

        }

        return $query;
    }


    public function afterFind(&$model, $results, $primary) {

        if(!is_null($this->_cached_result)) {
            foreach($results as &$result) {
                $result[$model->name]['_weight'] = $this->_cached_result['matches'][$result[$model->name]['id']]['weight'];
                $result[$model->name]['_total_found'] = $this->_cached_result['total_found'];
            }
            $this->_cached_result = null;
        }
        return $results;

    }

}