<?php
/**
 * Copyright 2011 Bas de Nooijer. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this listof conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * The views and conclusions contained in the software and documentation are
 * those of the authors and should not be interpreted as representing official
 * policies, either expressed or implied, of the copyright holder.
 *
 * @copyright Copyright 2011 Bas de Nooijer <solarium@raspberry.nl>
 * @license http://github.com/basdenooijer/solarium/raw/master/COPYING
 * @link http://www.solarium-project.org/
 */

/**
 * @namespace
 */
namespace OfficeBrain\Bundle\SolrBundle\QueryType\Update;

use Solarium\QueryType\Update\RequestBuilder as SolariumBaseRequestBuilder;

use Solarium\QueryType\Update\Query\Document\Document;

/**
 * Build an update request
 */
class RequestBuilder extends SolariumBaseRequestBuilder
{
    /**
     * Build XML for an add command
     *
     * @param  \Solarium\QueryType\Update\Query\Command\Add $command
     * @param  UpdateQuery $query
     * @return string
     */
    public function buildAddXml($command, $query = null)
    {
        $xml = '<add';
        $xml .= $this->boolAttrib('overwrite', $command->getOverwrite());
        $xml .= $this->attrib('commitWithin', $command->getCommitWithin());
        $xml .= '>';
        foreach ($command->getDocuments() as $doc) {
            $xml .= $this->buildDocXML($doc,$query);
        }
        $xml .= '</add>';
        //echo $xml;die;
        return $xml;
    }

    public function buildDocXML($doc,$query)
    {
            $xml='';
            $xml .= '<doc';
            $xml .= $this->attrib('boost', $doc->getBoost());
            $xml .= '>';

            foreach ($doc->getFields() as $name => $value) {
                $boost = $doc->getFieldBoost($name);
                $modifier = $doc->getFieldModifier($name);
                if (is_array($value)) {
                    
                    foreach ($value as $key=>$multival) {
                        
                        if(is_object($multival) && $multival instanceof Document){
                            
                            $xml .= $this->buildDocXML($multival,$query);
                        }
                        //EMP4464: Code to add child documents in solr - Starts
                        elseif (is_array($multival)){
                            foreach ($multival as $key => $childMultival){
                                if(is_object($childMultival) && $childMultival instanceof Document){
                                    $xml .= $this->buildDocXML($childMultival,$query);
                                }
                            }
                        }
                        //EMP4464: Code to add child documents in solr - Ends
                        else {
                            $xml .= $this->buildFieldXml($name, $boost, $multival, $modifier, $query);
                        }
                        
                    }
                } else {
                    $xml .= $this->buildFieldXml($name, $boost, $value, $modifier, $query);
                }
                
                /* //EMP4464: Code to add child documents in solr - Starts
                if($name == 'childDoc'){
                    foreach ($value as $childDocuments){
                        $xml .= $this->buildDocXML($childDocuments, $query); //EMP4464: Called self to add child documents. Hierarchy can be of n number of levels
                    }
                }
                //EMP4464: Code to add child documents in solr - Ends */
            }

            $version = $doc->getVersion();
            if ($version !== null) {
                $xml .= $this->buildFieldXml('_version_', null, $version);
            }

            $xml .= '</doc>';
            
            return $xml;
    }
}
