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<?php
/* vim:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab: */
/**
*
* LICENSE: GNU General Public License, version 2 (GPLv2)
* Copyright 2001 - 2013 Ampache.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; version 2
* of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
/**
* AmpacheRSS Class
*
*/
class AmpacheRSS {
private $type;
public $data;
/**
* Constructor
* This takes a flagged.id and then pulls in the information for said flag entry
*/
public function __construct($type) {
$this->type = self::validate_type($type);
} // constructor
/**
* get_xml
* This returns the xmldocument for the current rss type, it calls a sub function that gathers the data
* and then uses the xmlDATA class to build the document
*/
public function get_xml() {
// Function call name
$data_function = 'load_' . $this->type;
$pub_date_function = 'pubdate_' . $this->type;
$data = call_user_func(array('AmpacheRSS',$data_function));
$pub_date = call_user_func(array('AmpacheRSS',$pub_date_function));
xmlData::set_type('rss');
$xml_document = xmlData::rss_feed($data,$this->get_title(),$this->get_description(),$pub_date);
return $xml_document;
} // get_xml
/**
* get_title
* This returns the standardized title for the rss feed based on this->type
*/
public function get_title() {
$titles = array('now_playing' => T_('Now Playing'),
'recently_played' => T_('Recently Played'),
'latest_album' => T_('Newest Albums'),
'latest_artist' => T_('Newest Artists'));
return scrub_out(Config::get('site_title')) . ' - ' . $titles[$this->type];
} // get_title
/**
* get_description
* This returns the standardized description for the rss feed based on this->type
*/
public function get_description() {
//FIXME: For now don't do any kind of translating
return 'Ampache RSS Feeds';
} // get_description
/**
* validate_type
* this returns a valid type for an rss feed, if the specified type is invalid it returns a default value
*/
public static function validate_type($type) {
$valid_types = array('now_playing','recently_played','latest_album','latest_artist','latest_song',
'popular_song','popular_album','popular_artist');
if (!in_array($type,$valid_types)) {
return 'now_playing';
}
return $type;
} // validate_type
/**
* get_display
* This dumps out some html and an icon for the type of rss that we specify
*/
public static function get_display($type='now_playing') {
// Default to now playing
$type = self::validate_type($type);
$string = '<a href="' . Config::get('web_path') . '/rss.php?type=' . $type . '">' . get_user_icon('feed', T_('RSS Feed')) . '</a>';
return $string;
} // get_display
// type specific functions below, these are called semi-dynamically based on the current type //
/**
* load_now_playing
* This loads in the now playing information. This is just the raw data with key=>value pairs that could be turned
* into an xml document if we so wished
*/
public static function load_now_playing() {
$data = Stream::get_now_playing();
$results = array();
$format = Config::get('rss_format') ?: '%t - %a - %A';
$string_map = array(
'%t' => 'title',
'%a' => 'artist',
'%A' => 'album'
);
foreach ($data as $element) {
$song = $element['media'];
$client = $element['user'];
$title = $format;
$description = $format;
foreach($string_map as $search => $replace) {
$trep = 'f_' . $replace;
$drep = 'f_' . $replace . '_full';
$title = str_replace($search, $song->$trep, $title);
$description = str_replace($search, $song->$drep, $description);
}
$xml_array = array(
'title' => $title,
'link' => $song->link,
'description' => $description,
'comments' => $client->fullname . ' - ' . $element['agent'],
'pubDate' => date('r', $element['expire'])
);
$results[] = $xml_array;
} // end foreach
return $results;
} // load_now_playing
/**
* pubdate_now_playing
* this is the pub date we should use for the now playing information,
* this is a little specific as it uses the 'newest' expire we can find
*/
public static function pubdate_now_playing() {
// Little redundent, should be fixed by an improvement in the get_now_playing stuff
$data = Stream::get_now_playing();
$element = array_shift($data);
return $element['expire'];
} // pubdate_now_playing
/**
* load_recently_played
* This loads in the recently played information and formats it up real nice like
*/
public static function load_recently_played() {
//FIXME: The time stuff should be centralized, it's currently in two places, lame
$time_unit = array('', T_('seconds ago'), T_('minutes ago'), T_('hours ago'), T_('days ago'), T_('weeks ago'), T_('months ago'), T_('years ago'));
$data = Song::get_recently_played();
$results = array();
foreach ($data as $item) {
$client = new User($item['user']);
$song = new Song($item['object_id']);
$song->format();
$amount = intval(time() - $item['date']+2);
$time_place = '0';
while ($amount >= 1) {
$final = $amount;
$time_place++;
if ($time_place <= 2) {
$amount = floor($amount/60);
}
if ($time_place == '3') {
$amount = floor($amount/24);
}
if ($time_place == '4') {
$amount = floor($amount/7);
}
if ($time_place == '5') {
$amount = floor($amount/4);
}
if ($time_place == '6') {
$amount = floor ($amount/12);
}
if ($time_place > '6') {
$final = $amount . '+';
break;
}
} // end while
$time_string = $final . ' ' . $time_unit[$time_place];
$xml_array = array('title'=>$song->f_title . ' - ' . $song->f_artist . ' - ' . $song->f_album,
'link'=>str_replace('&', '&', $song->link),
'description'=>$song->title . ' - ' . $song->f_artist_full . ' - ' . $song->f_album_full . ' - ' . $time_string,
'comments'=>$client->username,
'pubDate'=>date("r",$item['date']));
$results[] = $xml_array;
} // end foreach
return $results;
} // load_recently_played
/**
* pubdate_recently_played
* This just returns the 'newest' recently played entry
*/
public static function pubdate_recently_played() {
$data = Song::get_recently_played();
$element = array_shift($data);
return $element['date'];
} // pubdate_recently_played
} // end AmpacheRSS class
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