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|
<?php
/**
*
* Base feed class from which all others descend.
*
* Plugins will set the <var>feedtype</var> property to the feed desired
* <ul>
* <li>gallery</li>
* <li>news</li>
* <li>pages</li>
* <li>comments</li>
* </ul>
*
* Feed details are determined by the <var>option</var> property.
* Elements of this array and their meaning follow:
* <ul>
* <li>lang
* <ul>
* <li><i>locale</i></li>
* </ul>
* </li>
* <li>sortdir
* <ul>
* <li>desc (default) for descending order</li>
* <li>asc for ascending order</li>
* </ul>
* </li>
* <li>sortorder</li>
* <ul>
* <li><i>latest</i> (default) for the latest uploaded by id (discovery order)</li>
* <li><i>latest-date</i> for the latest fetched by date</li>
* <li><i>latest-mtime</i> for the latest fetched by mtime</li>
* <li><i>latest-publishdate</i> for the latest fetched by publishdate</li>
* <li><i>popular</i> for the most popular albums</li>
* <li><i>topratedv for the best voted</li>
* <li><i>mostrated</i> for the most voted</li>
* <li><i>random</i> for random order</li>
* <li><i>id</i> internal <var>id</var> order</li>
* </ul>
* </li>
* <li>albumname</li>
* <li>albumsmode</li>
* <li>folder</li>
* <li>size</li>
* <li>category</li>
* <il>id</li>
* <li>itemnumber</li>
* <li>type (for comments feed)
* <ul>
* <li>albums</li>
* <li>images</li>
* <li>pages</li>
* <li>news</li>
* </ul>
* </li>
* <li>withimages</li>
* <li>withimages_mtime</li>
* <li>withimages_publishdate</li>
* <li>withalbums</li>
* <li>withalbums_mtim</li>
* <li>withalbums_publishdate</li>
* <li>withalbums_publishdate</li>
* </ul>
*
*
* @package classes
*/
require_once(SERVERPATH . '/' . ZENFOLDER . '/template-functions.php');
class feed {
protected $feed = 'feed'; // feed type
protected $mode; // feed mode
protected $options; // This array will store the options for the feed.
//general feed type gallery, news or comments
protected $feedtype = NULL;
protected $itemnumber = NULL;
protected $locale = NULL; // standard locale for lang parameter
protected $locale_xml = NULL; // xml locale within feed
protected $host = NULL;
protected $sortorder = NULL;
protected $sortdirection = NULL;
//gallery feed specific vars
protected $albumfolder = NULL;
protected $collection = NULL;
protected $albumpath = NULL;
protected $imagepath = NULL;
protected $imagesize = NULL;
protected $modrewritesuffix = NULL;
// Zenpage news feed specific
protected $catlink = NULL;
protected $cattitle = NULL;
protected $newsoption = NULL;
protected $titleappendix = NULL;
protected $combinews_images = NULL;
protected $combinews_albums = NULL;
//comment feed specific
protected $id = NULL;
protected $commentfeedtype = NULL;
protected $itemobj = NULL; // if comments for an item its object
//channel vars
protected $channel_title = NULL;
protected $feeditem = array();
/**
* Creates a file name from the options array
*
* @return string
*/
protected function getCacheFilename() {
$filename = array();
foreach ($this->options as $key => $value) {
if (empty($value)) {
$filename[] = $key;
} else {
$filename[] = $value;
}
}
$filename = seoFriendly(implode('_', $filename));
return $filename . ".xml";
}
/**
* Starts static caching
*
*/
protected function startCache() {
$caching = getOption($this->feed . "_cache") && !zp_loggedin();
if ($caching) {
$cachefilepath = SERVERPATH . '/cache_html/' . strtolower($this->feed) . '/' . internalToFilesystem($this->getCacheFilename());
if (file_exists($cachefilepath) AND time() - filemtime($cachefilepath) < getOption($this->feed . "_cache_expire")) {
echo file_get_contents($cachefilepath);
exitZP();
} else {
if (file_exists($cachefilepath)) {
@chmod($cachefilepath, 0777);
@unlink($cachefilepath);
}
ob_start();
}
}
}
/**
* Ends the static caching.
*
*/
protected function endCache() {
$caching = getOption($this->feed . "_cache") && !zp_loggedin();
if ($caching) {
$cachefilepath = internalToFilesystem($this->getCacheFilename());
if (!empty($cachefilepath)) {
$cachefilepath = SERVERPATH . '/cache_html/' . strtolower($this->feed) . '/' . $cachefilepath;
mkdir_recursive(SERVERPATH . '/cache_html/' . strtolower($this->feed) . '/', FOLDER_MOD);
$pagecontent = ob_get_contents();
ob_end_clean();
if ($fh = @fopen($cachefilepath, "w")) {
fputs($fh, $pagecontent);
fclose($fh);
clearstatcache();
}
echo $pagecontent;
}
}
}
/**
* Cleans out the cache folder
*
* @param string $cachefolder the sub-folder to clean
*/
function clearCache($cachefolder = NULL) {
zpFunctions::removeDir(SERVERPATH . '/' . STATIC_CACHE_FOLDER . '/' . strtolower($this->feed) . '/' . $cachefolder, true);
}
function __construct($options) {
$this->options = $options;
if (isset($this->options['lang'])) {
$this->locale = $this->options['lang'];
} else {
$this->locale = getOption('locale');
}
$this->locale_xml = strtr($this->locale, '_', '-');
if (isset($this->options['sortdir'])) {
$this->sortdirection = $this->options['sortdir'];
if ($this->sortdirection = !'desc' || $sortdir != 'asc') {
$this->sortdirection = 'desc';
}
} else {
$this->sortdirection = 'desc';
}
if (isset($this->options['sortorder'])) {
$this->sortorder = $this->options['sortorder'];
} else {
$this->sortorder = NULL;
}
switch ($this->feedtype) {
case 'comments':
if (isset($this->options['type'])) {
$this->commentfeedtype = $this->options['type'];
} else {
$this->commentfeedtype = 'all';
}
if (isset($this->options['id'])) {
$this->id = (int) $this->options['id'];
}
break;
case 'gallery':
if (isset($this->options['albumsmode'])) {
$this->mode = 'albums';
}
if (isset($this->options['folder'])) {
$this->albumfolder = $this->options['folder'];
$this->collection = true;
} else if (isset($this->options['albumname'])) {
$this->albumfolder = $this->options['albumname'];
$this->collection = false;
} else {
$this->collection = false;
}
if (is_null($this->sortorder)) {
if ($this->mode == "albums") {
$this->sortorder = getOption($this->feed . "_sortorder_albums");
} else {
$this->sortorder = getOption($this->feed . "_sortorder");
}
}
break;
case 'news':
if ($this->sortorder == 'latest') {
$this->sortorder = NULL;
}
if (isset($this->options['category'])) {
$this->catlink = $this->options['category'];
$catobj = new ZenpageCategory($this->catlink);
$this->cattitle = $catobj->getTitle();
$this->newsoption = 'category';
} else {
$this->catlink = '';
$this->cattitle = '';
$this->newsoption = 'news';
}
if (isset($this->options['withimages'])) {
$this->sortorder = NULL;
return $this->newsoption = 'withimages';
} else if (isset($this->options['withimages_mtime'])) {
return $this->newsoption = 'withimages_mtime';
} else if (isset($this->options['withimages_publishdate'])) {
return $this->newsoption = 'withimages_publishdate';
}
if (isset($this->options['withalbums'])) {
$this->sortorder = NULL;
return $this->newsoption = 'withalbums';
} else if (isset($this->options['withalbums_mtime'])) {
return $this->newsoption = 'withalbums_mtime';
} else if (isset($this->options['withalbums_publishdate'])) {
return $this->newsoption = 'withalbums_publishdate';
} else if (isset($this->options['withalbums_latestupdated'])) {
return $this->newsoption = 'withalbums_latestupdated';
}
break;
case 'pages':
break;
}
if (isset($this->options['itemnumber'])) {
$this->itemnumber = (int) $this->options['itemnumber'];
} else {
$this->itemnumber = getOption($this->feed . '_items');
}
}
protected function getChannelTitleExtra() {
switch ($this->sortorder) {
default:
case 'latest':
case 'latest-date':
case 'latest-mtime':
case 'latest-publishdate':
if ($this->mode == 'albums') {
$albumextra = ' (' . gettext('Latest albums') . ')'; //easier to understand for translators as if I would treat "images"/"albums" in one place separately
} else {
$albumextra = ' (' . gettext('Latest images') . ')';
}
break;
case 'latestupdated':
$albumextra = ' (' . gettext('latest updated albums') . ')';
break;
case 'popular':
if ($this->mode == 'albums') {
$albumextra = ' (' . gettext('Most popular albums') . ')';
} else {
$albumextra = ' (' . gettext('Most popular images') . ')';
}
break;
case 'toprated':
if ($this->mode == 'albums') {
$albumextra = ' (' . gettext('Top rated albums') . ')';
} else {
$albumextra = ' (' . gettext('Top rated images') . ')';
}
break;
case 'random':
if ($this->mode == 'albums') {
$albumextra = ' (' . gettext('Random albums') . ')';
} else {
$albumextra = ' (' . gettext('Random images') . ')';
}
break;
}
return $albumextra;
}
/**
* Helper function that gets the images size of the "size" get parameter
*
* @return string
*/
protected function getImageSize() {
if (isset($this->options['size'])) {
$imagesize = (int) $this->options['size'];
} else {
$imagesize = NULL;
}
if (is_numeric($imagesize) && !is_null($imagesize) && $imagesize < getOption($this->feed . '_imagesize')) {
$imagesize = $imagesize;
} else {
if ($this->mode == 'albums') {
$imagesize = getOption($this->feed . '_imagesize_albums'); // un-cropped image size
} else {
$imagesize = getOption($this->feed . '_imagesize'); // un-cropped image size
}
}
return $imagesize;
}
/**
* Gets the feed items
*
* @return array
*/
public function getitems() {
global $_zp_zenpage;
switch ($this->feedtype) {
case 'gallery':
if ($this->mode == "albums") {
$items = getAlbumStatistic($this->itemnumber, $this->sortorder, $this->albumfolder, $this->sortdirection);
} else {
$items = getImageStatistic($this->itemnumber, $this->sortorder, $this->albumfolder, $this->collection, 0, $this->sortdirection);
}
break;
case 'news':
switch ($this->newsoption) {
case "category":
if ($this->sortorder) {
$items = getZenpageStatistic($this->itemnumber, 'categories', $this->sortorder, $this->sortdirection);
} else {
$items = getLatestNews($this->itemnumber, "none", $this->catlink, false, $this->sortdirection);
}
break;
case "news":
if ($this->sortorder) {
$items = getZenpageStatistic($this->itemnumber, 'news', $this->sortorder, $this->sortdirection);
} else {
// Needed baceause type variable "news" is used by the feed item method and not set by the class method getArticles!
$items = getLatestNews($this->itemnumber, 'none', '', false, $this->sortdirection);
}
break;
case "withimages":
//$items = getLatestNews($this->itemnumber,"with_latest_images_date",'',false,$this->sortdirection);
$items = $_zp_zenpage->getCombiNews($this->itemnumber, 'latestimages-thumbnail', NULL, 'date', false, $this->sortdirection);
break;
case "withimages_id":
//$items = getLatestNews($this->itemnumber,"with_latest_images_date",'',false,$this->sortdirection);
$items = $_zp_zenpage->getCombiNews($this->itemnumber, 'latestimages-thumbnail', NULL, 'id', false, $this->sortdirection);
break;
case 'withimages_mtime':
//$items = getLatestNews($this->itemnumber,"with_latest_images_mtime",'',false,$this->sortdirection);
$items = $_zp_zenpage->getCombiNews($this->itemnumber, 'latestimages-thumbnail', NULL, 'mtime', false, $this->sortdirection);
break;
case 'withimages_publishdate':
//$items = getLatestNews($this->itemnumber,"with_latest_images_publishdate",'',false,$this->sortdirection);
$items = $_zp_zenpage->getCombiNews($this->itemnumber, 'latestimages-thumbnail', NULL, 'publishdate', false, $this->sortdirection);
break;
case 'withalbums':
//$items = getLatestNews($this->itemnumber,"with_latest_albums_date",'',false,$this->sortdirection);
$items = $_zp_zenpage->getCombiNews($this->itemnumber, 'latestalbums-thumbnail', NULL, 'date', false, $this->sortdirection);
break;
case 'withalbums_mtime':
//$items = getLatestNews($this->itemnumber,"with_latest_albums_mtime",'',false,$this->sortdirection);
$items = $_zp_zenpage->getCombiNews($this->itemnumber, 'latestalbums-thumbnail', NULL, 'mtime', false, $this->sortdirection);
break;
case 'withalbums_publishdate':
//$items = getLatestNews($this->itemnumber,"with_latest_albums_publishdate",'',false,$this->sortdirection);
$items = $_zp_zenpage->getCombiNews($this->itemnumber, 'latestalbums-thumbnail', NULL, 'publishdate', false, $this->sortdirection);
break;
case 'withalbums_latestupdated':
//$items = getLatestNews($this->itemnumber,"with_latestupdated_albums",'',false,$this->sortdirection);
$items = $_zp_zenpage->getCombiNews($this->itemnumber, 'latestupdatedalbums-thumbnail', NULL, '', false, $this->sortdirection);
break;
}
break;
case "pages":
if ($this->sortorder) {
$items = getZenpageStatistic($this->itemnumber, 'pages', $this->sortorder, $this->sortdirection);
} else {
$items = $_zp_zenpage->getPages(NULL, false, $this->itemnumber, $this->sortorder, $this->sortdirection);
}
break;
case 'comments':
switch ($type = $this->commentfeedtype) {
case 'gallery':
$items = getLatestComments($this->itemnumber, 'all');
break;
case 'album':
$items = getLatestComments($this->itemnumber, 'album', $this->id);
break;
case 'image':
$items = getLatestComments($this->itemnumber, 'image', $this->id);
break;
case 'zenpage':
$type = 'all';
case 'news':
case 'page':
if (function_exists('getLatestZenpageComments')) {
$items = getLatestZenpageComments($this->itemnumber, $type, $this->id);
}
break;
case 'allcomments':
$items = getLatestComments($this->itemnumber, 'all');
$items_zenpage = array();
if (function_exists('getLatestZenpageComments')) {
$items_zenpage = getLatestZenpageComments($this->itemnumber, 'all', $this->id);
$items = array_merge($items, $items_zenpage);
$items = sortMultiArray($items, 'date', true);
$items = array_slice($items, 0, $this->itemnumber);
}
break;
}
break;
}
if (isset($items)) {
return $items;
}
if (TEST_RELEASE) {
trigger_error(gettext('Bad ' . $this->feed . ' feed:' . $this->feedtype), E_USER_WARNING);
}
return NULL;
}
/**
* Gets the feed item data in a Zenpage news feed
*
* @param array $item Titlelink a Zenpage article or filename of an image if a combined feed
* @return array
*/
protected function getitemPages($item, $len) {
$obj = new ZenpagePage($item['titlelink']);
$feeditem['title'] = $feeditem['title'] = get_language_string($obj->getTitle('all'), $this->locale);
$feeditem['link'] = getPageLinkURL($obj->getTitlelink());
$feeditem['desc'] = shortenContent($obj->getContent($this->locale), $len, '...');
$feeditem['enclosure'] = '';
$feeditem['category'] = '';
$feeditem['media_content'] = '';
$feeditem['media_thumbnail'] = '';
$feeditem['pubdate'] = date("r", strtotime($obj->getDatetime()));
return $feeditem;
}
/**
* Gets the feed item data in a comments feed
*
* @param array $item Array of a comment
* @return array
*/
protected function getitemComments($item) {
if ($item['anon']) {
$author = "";
} else {
$author = " " . gettext("by") . " " . $item['name'];
}
$commentpath = $imagetag = $title = '';
switch ($item['type']) {
case 'images':
$title = get_language_string($item['title']);
$obj = newImage(NULL, array('folder' => $item['folder'], 'filename' => $item['filename']));
$link = $obj->getImagelink();
$feeditem['pubdate'] = date("r", strtotime($item['date']));
$category = $item['albumtitle'];
$website = $item['website'];
$title = $category . ": " . $title;
$commentpath = PROTOCOL . '://' . $this->host . $link . "#" . $item['id'];
break;
case 'albums':
$obj = newAlbum($item['folder']);
$link = rtrim($obj->getAlbumlink(), '/');
$feeditem['pubdate'] = date("r", strtotime($item['date']));
$title = get_language_string($item['albumtitle']);
$website = $item['website'];
$commentpath = PROTOCOL . '://' . $this->host . $link . "#" . $item['id'];
break;
case 'news':
case 'pages':
$album = '';
$feeditem['pubdate'] = date("r", strtotime($item['date']));
$category = '';
$title = get_language_string($item['title']);
$titlelink = $item['titlelink'];
$website = $item['website'];
if (function_exists('getNewsURL')) {
if ($item['type'] == 'news') {
$commentpath = PROTOCOL . '://' . $this->host . html_encode(getNewsURL($titlelink)) . "#" . $item['id'];
} else {
$commentpath = PROTOCOL . '://' . $this->host . html_encode(getPageLinkURL($titlelink)) . "#" . $item['id'];
}
} else {
$commentpath = '';
}
break;
}
$feeditem['title'] = strip_tags($title . $author);
$feeditem['link'] = $commentpath;
$feeditem['desc'] = $item['comment'];
return $feeditem;
}
static protected function feed404() {
header("HTTP/1.0 404 Not Found");
header("Status: 404 Not Found");
include(ZENFOLDER . '/404.php');
exitZP();
}
}
?>
|