Smart\EtlBundle\Utils\ArrayUtils

Complexity

Total Complexity

10

Size/Duplication

Total Lines	67
Duplicated Lines	0 %

Importance

Changes	1
Bugs	0	Features	0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	removeEmpty()	0	4	3
A	getMultiArrayFromString()	0	35	6
A	getArrayFromString()	0	8	1

<?php

namespace Smart\EtlBundle\Utils;

use Smart\EtlBundle\Exception\Utils\ArrayUtils\MultiArrayNbMaxRowsException;

/**
 * @author Mathieu Ducrot <mathieu.ducrot@smartbooster.io>
 */
class ArrayUtils
{
    /**
     * Clean data from an array
     * - remove null value and empty string
     */
    public static function removeEmpty(array $array): array
    {
        return array_filter($array, function ($item) {
            return $item !== null && (!is_string($item) || $item !== '');
        });
    }

    /**
     * Convert and clean data from string to array
     */
    public static function getArrayFromString(?string $string): array
    {
        $toReturn = explode(PHP_EOL, $string);

It seems like $string can also be of type null; however, parameter $string of explode() does only seem to accept string, maybe add an additional type check?

        $toReturn = array_map(function ($row) {
            return trim($row);
        }, $toReturn);

        return array_unique(self::removeEmpty($toReturn));
    }

    /**
     * Convert and clean data from string to a multidimensional array
     *
     * @param array $options (Optional) To pass field separator and nb max row
     * @throws MultiArrayNbMaxRowsException
     */
    public static function getMultiArrayFromString(string $string, array $header, array $options = []): array
    {
        $nbRows = StringUtils::countRows($string);
        if (isset($options['nb_max_row']) && $nbRows > $options['nb_max_row']) {
            throw new MultiArrayNbMaxRowsException($options['nb_max_row'], $nbRows);
        }

        $toReturn = self::getArrayFromString($string);

        $delimiter = $options['delimiter'] ?? ',';
        $nbHeader = count($header);
        foreach ($toReturn as $key => $row) {
            $rowData = str_getcsv($row, $delimiter);

            $rowData = array_map(function ($data) {
                if ($data !== null) {
                    $data = trim($data);

                    if ($data === '') {
                        $data = null;
                    }
                }

                return $data;
            }, $rowData);

            // fill missing field on the row with null values
            $rowData = array_pad($rowData, $nbHeader, null);
            // slice extra data on the row
            $rowData = array_slice($rowData, 0, $nbHeader);
            // combine to form the multidimensional array
            $toReturn[$key] = array_combine($header, $rowData);
        }

        return $toReturn;
    }
}