Vufind-Finna MarcRecord.php modifications for sorting holdings etc.

MarcRecordLocal.php

<?php
require_once 'RecordDrivers/MarcRecord.php';
/**
 * Local MarcRecord modifications.
 */
class MarcRecordLocal extends MarcRecord
{
    /**
     * Assign necessary Smarty variables and return a template name to
     * load in order to display holdings extracted from the base record
     * (i.e. URLs in MARC 856 fields) and, if necessary, the ILS driver.
     * Returns null if no data is available.
     *
     * @param array $patron An array of patron data
     *
     * @return string Name of Smarty template file to display.
     * @access public
     */
    public function getHoldings($patron = false)
    {
        global $interface;
        global $configArray;

        // Only display OpenURL link if the option is turned on and we have
        // an ISSN.  We may eventually want to make this rule more flexible,
        // but for now the ISSN restriction is designed to be consistent with
        // the way we display items on the search results list. Actually,
        // display OpenURL link for records with ISBNs too.
        $hasOpenURL = ($this->openURLActive('holdings') && ($this->getCleanISSN() || $this->getCleanISBN()));
        if ($hasOpenURL) {
            $interface->assign('holdingsOpenURL', $this->getOpenURL());
        }

        // Display regular URLs unless OpenURL is present and configured to
        // replace them:
        if (!isset($configArray['OpenURL']['replace_other_urls'])
            || !$configArray['OpenURL']['replace_other_urls'] || !$hasOpenURL
        ) {
            $interface->assign('holdingURLs', $this->getURLs());
        }
        $interface->assign('holdingLCCN', $this->getLCCN());
        $interface->assign('holdingArrOCLC', $this->getOCLC());

        // Load real-time data if available:
        $unsortedHoldings = $this->getRealTimeHoldings($patron);
        // Sold holdings to preferred order given in config.local.ini
        $sortedHoldings = $this->_sortHoldings($unsortedHoldings);
        $interface->assign('holdings', $sortedHoldings);
        $interface->assign('history', $this->getRealTimeHistory());

        // Source ID
        $sourceId = $this->getSourceID();
        $interface->assign('source', $sourceId);
        
        // NDL Location Service enabled
        $config = getExtraConfigArray('LocationService');
        if (isset($config['General']) && isset($config[$sourceId])) {
            $baseUrl = $config['General']['url'];
            $lang = $interface->getLanguage();            
            $params = array(
                'lang' => substr($lang, 0, 2),  
                'owner' => $config[$sourceId]['owner']
            );
            $url = $baseUrl . '?' . http_build_query($params);
            $interface->assign('locationServiceUrl', $url);  
            if (isset($config['General']['modal']) && $config['General']['modal']) { 
                $interface->assign('locationServiceModal', true);
            }
        }        

        if ("driver" == CatalogConnection::getHoldsMode()) {
            $interface->assign('driverMode', true);
            if (!UserAccount::isLoggedIn()) {
                $interface->assign('showLoginMsg', true);
            }
        }

        if ("driver" == CatalogConnection::getTitleHoldsMode()) {
            $interface->assign('titleDriverMode', true);
            if (!UserAccount::isLoggedIn()) {
                $interface->assign('showTitleLoginMsg', true);
            }
        }
        
        $interface->assign("holdingTitleHold", $this->getRealTimeTitleHold($patron));

        return 'RecordDrivers/Index/holdings.tpl';
    }



    /**
     * Sorts holdings to the order set in config.ini
     *
     * @param string $hierarchyDriver A Hierarchy Driver Object
     *
     * @return string $identifier the solr field which defines collections
     * @access public
     */

    private function _sortHoldings($unsortedHoldings)
    {
        
        
        global $configArray;
        $preferredOrder = false;
        if ($preferredOrder === false) {
            $preferredOrder = isset($configArray['Record']['preferred_order'])
                ? $configArray['Record']['preferred_order'] : array();
        }

        $sortedHoldings= array();
        foreach ($unsortedHoldings as $location => $details) {
            $position = array_search($location, $preferredOrder);
            if ($position) {
                $details['position'] = $position;
                $sortedHoldings[$location] = $details;
            } else {
                $details['position'] = 1000;
                $sortedHoldings[$location] = $details;
            } 
              
        }
        
        $sorted = array();
            foreach ($sortedHoldings as $key => $row) {
            $sorted[$key] = $row['position'];   
        }
        
        array_multisort($sorted, SORT_ASC,$sortedHoldings);
        
        foreach($sortedHoldings as &$location) {
            unset($location['position']);
            }
            
            
            
        


        return $sortedHoldings;

    }

} 

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