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MyShaarli
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Refactor showAtom, and make it use the ATOM template 

Minor changes:

  * Fix the date which was in a invalid format.
  * Avoid empty categories (tags).
  * Use the locale to set the language
This commit is contained in:
ArthurHoaro 2016-03-10 19:01:30 +01:00
parent 8395d0b761
commit 69c474b966
2 changed files with 62 additions and 69 deletions
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2
application/Utils.php
View File

@ -226,7 +226,7 @@ function space2nbsp($text)
*
* @return string formatted description.
*/
function format_description($description, $redirector) {
function format_description($description, $redirector = false) {
return nl2br(space2nbsp(text2clickable($description, $redirector)));
}

129
index.php
View File

@ -790,14 +790,10 @@ function showRSS()
// ------------------------------------------------------------------------------------------
// Output the last N links in ATOM format.
function showATOM()
function showATOM($pageBuilder, $linkDB)
{
header('Content-Type: application/atom+xml; charset=utf-8');
// $usepermalink : If true, use permalink instead of final link.
// User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=atom&permalinks
$usepermalinks = isset($_GET['permalinks']) || !$GLOBALS['config']['ENABLE_RSS_PERMALINKS'];
// Cache system
$query = $_SERVER["QUERY_STRING"];
$cache = new CachedPage(
@ -811,97 +807,90 @@ function showATOM()
exit;
}
// If cached was not found (or not usable), then read the database and build the response:
// Read links from database (and filter private links if used it not logged in).
$LINKSDB = new LinkDB(
$GLOBALS['config']['DATASTORE'],
isLoggedIn(),
$GLOBALS['config']['HIDE_PUBLIC_LINKS'],
$GLOBALS['redirector']
);
// $usepermalink : If true, use permalink instead of final link.
// User just has to add 'permalink' in URL parameters. e.g. http://mysite.com/shaarli/?do=atom&permalinks
$usepermalinks = isset($_GET['permalinks']) || !$GLOBALS['config']['ENABLE_RSS_PERMALINKS'];
// Optionally filter the results:
$searchtags = !empty($_GET['searchtags']) ? escape($_GET['searchtags']) : '';
$searchterm = !empty($_GET['searchterm']) ? escape($_GET['searchterm']) : '';
if (! empty($searchtags) && ! empty($searchterm)) {
$linksToDisplay = $LINKSDB->filter(
$linksToDisplay = $linkDB->filter(
LinkFilter::$FILTER_TAG | LinkFilter::$FILTER_TEXT,
array($searchtags, $searchterm)
);
}
elseif ($searchtags) {
$linksToDisplay = $LINKSDB->filter(LinkFilter::$FILTER_TAG, $searchtags);
$linksToDisplay = $linkDB->filter(LinkFilter::$FILTER_TAG, $searchtags);
}
elseif ($searchterm) {
$linksToDisplay = $LINKSDB->filter(LinkFilter::$FILTER_TEXT, $searchterm);
$linksToDisplay = $linkDB->filter(LinkFilter::$FILTER_TEXT, $searchterm);
}
else {
$linksToDisplay = $LINKSDB;
$linksToDisplay = $linkDB;
}
$nblinksToDisplay = 50; // Number of links to display.
// In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
if (!empty($_GET['nb'])) {
$nblinksToDisplay = $_GET['nb']=='all' ? count($linksToDisplay) : max(intval($_GET['nb']), 1);
$nblinksToDisplay = $_GET['nb'] == 'all' ? count($linksToDisplay) : max(intval($_GET['nb']), 1);
}
$pageaddr=escape(index_url($_SERVER));
$keys = array();
foreach ($linksToDisplay as $key=>$value) {
$keys[] = $key; // No, I can't use array_keys().
}
$pageaddr = escape(index_url($_SERVER));
$latestDate = '';
$entries='';
$i=0;
$keys=array(); foreach($linksToDisplay as $key=>$value) { $keys[]=$key; } // No, I can't use array_keys().
while ($i<$nblinksToDisplay && $i<count($keys))
$i = 0;
$linkDisp = array();
while ($i < $nblinksToDisplay && $i < count($keys))
{
$link = $linksToDisplay[$keys[$i]];
$guid = $pageaddr.'?'.smallHash($link['linkdate']);
$link['guid'] = $pageaddr. '?' .smallHash($link['linkdate']);
// Check for both signs of a note: starting with ? and 7 chars long.
if ($link['url'][0] === '?' && strlen($link['url']) === 7) {
$link['url'] = $pageaddr . $link['url'];
}
if ($usepermalinks) {
$permalink = '<a href="'. $link['url'] .'" title="Direct link">Direct link</a>';
} else {
$permalink = '<a href="'. $link['guid'] .'" title="Permalink">Permalink</a>';
}
$link['description'] = format_description($link['description']) . PHP_EOL .'<br>&#8212; '. $permalink;
$date = DateTime::createFromFormat(LinkDB::LINK_DATE_FORMAT, $link['linkdate']);
$iso8601date = $date->format(DateTime::ISO8601);
$latestDate = max($latestDate, $iso8601date);
$absurl = $link['url'];
if (startsWith($absurl,'?')) $absurl=$pageaddr.$absurl; // make permalink URL absolute
$entries.='<entry><title>'.$link['title'].'</title>';
if ($usepermalinks===true)
$entries.='<link href="'.$guid.'" /><id>'.$guid.'</id>';
else
$entries.='<link href="'.$absurl.'" /><id>'.$guid.'</id>';
$link['iso_date'] = $date->format(DateTime::ATOM);
$latestDate = max($latestDate, $link['iso_date']);
$taglist = array_filter(explode(' ', $link['tags']), 'strlen');
uasort($taglist, 'strcasecmp');
$link['taglist'] = $taglist;
if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) {
$entries.='<updated>'.escape($iso8601date).'</updated>';
}
// Add permalink in description
$descriptionlink = '(<a href="'.$guid.'">Permalink</a>)';
// If user wants permalinks first, put the final link in description
if ($usepermalinks===true) $descriptionlink = '(<a href="'.$absurl.'">Link</a>)';
if (strlen($link['description'])>0) $descriptionlink = '<br>'.$descriptionlink;
$entries .= '<content type="html"><![CDATA['.
format_description($link['description'], $GLOBALS['redirector']) .
$descriptionlink . "]]></content>\n";
if ($link['tags']!='') // Adding tags to each ATOM entry (as mentioned in ATOM specification)
{
foreach(explode(' ',$link['tags']) as $tag)
{ $entries.='<category scheme="'.$pageaddr.'" term="'.$tag.'" />'."\n"; }
}
$entries.="</entry>\n";
$linkDisp[$keys[$i]] = $link;
$i++;
}
$feed='<?xml version="1.0" encoding="UTF-8"?><feed xmlns="http://www.w3.org/2005/Atom">';
$feed.='<title>'.$GLOBALS['title'].'</title>';
if (!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()) $feed.='<updated>'.escape($latestDate).'</updated>';
$feed.='<link rel="self" href="'.escape(server_url($_SERVER).$_SERVER["REQUEST_URI"]).'" />';
if (!empty($GLOBALS['config']['PUBSUBHUB_URL']))
{
$feed.='<!-- PubSubHubbub Discovery -->';
$feed.='<link rel="hub" href="'.escape($GLOBALS['config']['PUBSUBHUB_URL']).'" />';
$feed.='<!-- End Of PubSubHubbub Discovery -->';
}
$feed.='<author><name>'.$pageaddr.'</name><uri>'.$pageaddr.'</uri></author>';
$feed.='<id>'.$pageaddr.'</id>'."\n\n"; // Yes, I know I should use a real IRI (RFC3987), but the site URL will do.
$feed.=$entries;
$feed.='</feed><!-- Cached version of '.escape(page_url($_SERVER)).' -->';
echo $feed;
$data = array();
if (!empty($GLOBALS['config']['PUBSUBHUB_URL'])) {
$data['pubsubhub_url'] = escape($GLOBALS['config']['PUBSUBHUB_URL']);
}
// Use the locale do define the language, if available.
$locale = strtolower(setlocale(LC_COLLATE, 0));
if (! empty($locale) && preg_match('/^\w{2}[_\-]\w{2}/', $locale)) {
$data['language'] = substr($locale, 0, 2);
} else {
$data['language'] = 'en';
}
$data['last_update'] = escape($latestDate);
$data['show_dates'] = !$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn();
$data['self_link'] = escape($pageaddr . $_SERVER['REQUEST_URI']);
$data['index_url'] = escape($pageaddr);
$data['usepermalinks'] = $usepermalinks;
$data['links'] = $linkDisp;
$pageBuilder->assignAll($data);
$pageBuilder->renderPage('feed.atom', false);
$cache->cache(ob_get_contents());
ob_end_flush();
exit;
@ -1283,6 +1272,11 @@ function renderPage()
showDaily($PAGE);
}
// ATOM feed.
if ($targetPage == Router::$PAGE_ATOM) {
showATOM($PAGE, $LINKSDB);
}
// Display openseach plugin (XML)
if ($targetPage == Router::$PAGE_OPENSEARCH) {
header('Content-Type: application/xml; charset=utf-8');
@ -2608,7 +2602,6 @@ function resizeImage($filepath)
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=genthumbnail')) { genThumbnail(); exit; } // Thumbnail generation/cache does not need the link database.
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=rss')) { showRSS(); exit; }
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=atom')) { showATOM(); exit; }
if (isset($_SERVER["QUERY_STRING"]) && startswith($_SERVER["QUERY_STRING"],'do=dailyrss')) { showDailyRSS(); exit; }
if (!isset($_SESSION['LINKS_PER_PAGE'])) $_SESSION['LINKS_PER_PAGE']=$GLOBALS['config']['LINKS_PER_PAGE'];
renderPage();