Mock.php

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<?php

namespace Sabre\CardDAV\Backend;

class Mock extends AbstractBackend {

    public $addressBooks;
    public $cards;

    function __construct($addressBooks = null, $cards = null) {

        $this->addressBooks = $addressBooks;
        $this->cards = $cards;

        if (is_null($this->addressBooks)) {
            $this->addressBooks = [
                [
                    'id'                => 'foo',
                    'uri'               => 'book1',
                    'principaluri'      => 'principals/user1',
                    '{DAV:}displayname' => 'd-name',
                ],
                [
                    'id'                => 'bar',
                    'uri'               => 'book3',
                    'principaluri'      => 'principals/user1',
                    '{DAV:}displayname' => 'd-name',
                ],
            ];

            $card2 = fopen('php://memory', 'r+');
            fwrite($card2, "BEGIN:VCARD\nVERSION:3.0\nUID:45678\nEND:VCARD");
            rewind($card2);
            $this->cards = [
                'foo' => [
                    'card1' => "BEGIN:VCARD\nVERSION:3.0\nUID:12345\nEND:VCARD",
                    'card2' => $card2,
                ],
                'bar' => [
                    'card3' => "BEGIN:VCARD\nVERSION:3.0\nUID:12345\nFN:Test-Card\nEMAIL;TYPE=home:bar@example.org\nEND:VCARD",
                ],
            ];
        }

    }


    function getAddressBooksForUser($principalUri) {

        $books = [];
        foreach ($this->addressBooks as $book) {
            if ($book['principaluri'] === $principalUri) {
                $books[] = $book;
            }
        }
        return $books;

    }

    function updateAddressBook($addressBookId, \Sabre\DAV\PropPatch $propPatch) {

        foreach ($this->addressBooks as &$book) {
            if ($book['id'] !== $addressBookId)
                continue;

            $propPatch->handleRemaining(function($mutations) use (&$book) {
                foreach ($mutations as $key => $value) {
                    $book[$key] = $value;
                }
                return true;
            });

        }

    }

    function createAddressBook($principalUri, $url, array $properties) {

        $this->addressBooks[] = array_merge($properties, [
            'id'           => $url,
            'uri'          => $url,
            'principaluri' => $principalUri,
        ]);

    }

    function deleteAddressBook($addressBookId) {

        foreach ($this->addressBooks as $key => $value) {
            if ($value['id'] === $addressBookId)
                unset($this->addressBooks[$key]);
        }
        unset($this->cards[$addressBookId]);

    }

    function getCards($addressBookId) {

        $cards = [];
        foreach ($this->cards[$addressBookId] as $uri => $data) {
            if (is_resource($data)) {
                $cards[] = [
                    'uri'      => $uri,
                    'carddata' => $data,
                ];
            } else {
                $cards[] = [
                    'uri'      => $uri,
                    'carddata' => $data,
                    'etag'     => '"' . md5($data) . '"',
                    'size'     => strlen($data)
                ];
            }
        }
        return $cards;

    }

    function getCard($addressBookId, $cardUri) {

        if (!isset($this->cards[$addressBookId][$cardUri])) {
            return false;
        }

        $data = $this->cards[$addressBookId][$cardUri];
        return [
            'uri'      => $cardUri,
            'carddata' => $data,
            'etag'     => '"' . md5($data) . '"',
            'size'     => strlen($data)
        ];

    }

    function createCard($addressBookId, $cardUri, $cardData) {

        if (is_resource($cardData)) {
            $cardData = stream_get_contents($cardData);
        }
        $this->cards[$addressBookId][$cardUri] = $cardData;
        return '"' . md5($cardData) . '"';

    }

    function updateCard($addressBookId, $cardUri, $cardData) {

        if (is_resource($cardData)) {
            $cardData = stream_get_contents($cardData);
        }
        $this->cards[$addressBookId][$cardUri] = $cardData;
        return '"' . md5($cardData) . '"';

    }

    function deleteCard($addressBookId, $cardUri) {

        unset($this->cards[$addressBookId][$cardUri]);

    }

}