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-rw-r--r--application/NetscapeBookmarkUtils.php54
1 files changed, 54 insertions, 0 deletions
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1<?php
2
3/**
4 * Utilities to import and export bookmarks using the Netscape format
5 */
6class NetscapeBookmarkUtils
7{
8
9 /**
10 * Filters links and adds Netscape-formatted fields
11 *
12 * Added fields:
13 * - timestamp link addition date, using the Unix epoch format
14 * - taglist comma-separated tag list
15 *
16 * @param LinkDB $linkDb Link datastore
17 * @param string $selection Which links to export: (all|private|public)
18 * @param bool $prependNoteUrl Prepend note permalinks with the server's URL
19 * @param string $indexUrl Absolute URL of the Shaarli index page
20 *
21 * @throws Exception Invalid export selection
22 *
23 * @return array The links to be exported, with additional fields
24 */
25 public static function filterAndFormat($linkDb, $selection, $prependNoteUrl, $indexUrl)
26 {
27 // see tpl/export.html for possible values
28 if (! in_array($selection, array('all', 'public', 'private'))) {
29 throw new Exception('Invalid export selection: "'.$selection.'"');
30 }
31
32 $bookmarkLinks = array();
33
34 foreach ($linkDb as $link) {
35 if ($link['private'] != 0 && $selection == 'public') {
36 continue;
37 }
38 if ($link['private'] == 0 && $selection == 'private') {
39 continue;
40 }
41 $date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
42 $link['timestamp'] = $date->getTimestamp();
43 $link['taglist'] = str_replace(' ', ',', $link['tags']);
44
45 if (startsWith($link['url'], '?') && $prependNoteUrl) {
46 $link['url'] = $indexUrl . $link['url'];
47 }
48
49 $bookmarkLinks[] = $link;
50 }
51
52 return $bookmarkLinks;
53 }
54}