JeroenDesloovere\VCard\Formatter\VcfFormatter

Complexity

Total Complexity

8

Size/Duplication

Total Lines	57
Duplicated Lines	0 %

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	setNodesToString()	0	7	2
A	getContent()	0	15	2
A	getContentType()	0	3	1
A	getFileExtension()	0	3	1
A	fold()	0	8	2

<?php

namespace JeroenDesloovere\VCard\Formatter;

use JeroenDesloovere\VCard\Property\NodeInterface;
use JeroenDesloovere\VCard\VCard;

final class VcfFormatter implements FormatterInterface
{
    public function getContent(array $vCards): string
    {
        $string = '';

        /**
         * @var VCard $vCard
         */
        foreach ($vCards as $vCard) {
            $string .= "BEGIN:VCARD\r\n";
            $this->setNodesToString($vCard->getParameters(), $string);
            $this->setNodesToString($vCard->getProperties(), $string);
            $string .= "END:VCARD\r\n";
        }

        return $string;
    }

    public function getContentType(): string
    {
        return 'text/x-vcard';
    }

    public function getFileExtension(): string
    {
        return 'vcf';
    }

    /**
     * Fold a line according to RFC2425 section 5.8.1.
     *
     * @link   http://tools.ietf.org/html/rfc2425#section-5.8.1
     * @param  string $value
     * @return string
     */
    private function fold(string $value): string
    {
        if (strlen($value) <= 75) {
            return $value;
        }

        // split, wrap and trim trailing separator
        return substr(chunk_split($value, 73, "\r\n "), 0, -3);
    }

    /**
     * @param NodeInterface[] $nodes
     * @param string $string
     */
    private function setNodesToString(array $nodes, string &$string): void
    {
        /**
         * @var NodeInterface $parameter
         */
        foreach ($nodes as $parameter) {
            $string .= $this->fold($parameter->getFormatter()->getVcfString() . "\r\n");
        }
    }
}