<?php

/*
 * Catabatic Technology Pvt. Ltd.
 * File Name :BitMasking.php
 * File Description :BitMasking helper contains methods related to masking (get mask, set mask, getmasking string for search/filter)
 * Created By : Pooja Choudhary
 * Updated By : Ranvir Singh
 * Created Date: 7-Oct-2016
 * Updated Date: 7-Apr-2017
 */

class Zend_Controller_Action_Helper_BitMasking extends Zend_Controller_Action_Helper_Abstract {

/*
 * setMasking. To create masking (need master data, result data and primary key of master table).
 * Created by Pooja on 3aug2016
 * @param  array $maskingArr
 * @param  array $masterListingArr
 * @param  int $primaryKey
 * @return int.
 */

public function setMasking($maskingArr, $masterListingArr )
{
    $mask = '1'; // prefix bit

    $args = (func_get_args());
    $primaryKey = (isset($args[2])) ? $args[2] : '';
            
    if(count($args) == 3) {
        if (count($masterListingArr) > 0) {
            foreach ($masterListingArr as $maskVal) {
                $char = in_array($maskVal[$primaryKey], $maskingArr) ? '1' : '0';
                $mask .= $char;
            }
        }
    }
    else {
        if (count($masterListingArr) > 0) {
            foreach ($masterListingArr as $key => $maskVal) {
                $char = in_array($key, $maskingArr) ? '1' : '0';
                $mask .= $char;
            }
        }
    }

    return $mask;
}

/*
 * getMasking(). To create masking (need master data, result data and primary key of master table).
 * Created by Pooja on 4aug2016
 * @param  string $varfromDb
 * @param  array $masterListingArr
 * @param  int $primaryKey
 * @return int.
 */

public function getMasking( $varfromDb, $masterListingArr ) {
    $varfromDbArr = str_split(trim($varfromDb));
    $resultMask = array();
    $counter = 1;
    
    $args = (func_get_args());
    $primaryKey = (isset($args[2])) ? $args[2] : '';
            
    if(count($args) == 3) {
        foreach ($masterListingArr as $value) {
            if (@$varfromDbArr[$counter] == 1) {
                $resultMask[$value[$primaryKey]] = $value[$primaryKey];
            }
            $counter++;
        }
    }
    else {
        foreach ($masterListingArr as $k=>$value) {
            if (@$varfromDbArr[$counter] == 1) {
                $resultMask[$k] = $k;
            }
            $counter++;
        }
    }
    return $resultMask;
}


/*
 * getMaskingStringforsearch. To create masking string for search and filter.
 * Created by Pooja on 6-Oct2016
 * @param  array $maskArray (Masking array is an array which contains keys(position of element))
 * @return string.
 */
public function getMaskingStringforsearch($maskArray) {
$maskStr = '1';
for ($i = 0;
$i <= max($maskArray);
$i++) {
$maskStr .= (in_array($i, $maskArray)) ? 1 : '_';
}
return $maskStr;
}
}