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ampache/lib/class/browse.class.php
Phyks (Lucas Verney) e86ea9a099 Fix copyright date
2016-08-01 22:02:00 +02:00

589 lines
19 KiB
PHP

<?php
/* vim:set softtabstop=4 shiftwidth=4 expandtab: */
/**
*
* LICENSE: GNU Affero General Public License, version 3 (AGPLv3)
* Copyright 2001 - 2016 Ampache.org
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* Browse Class
*
* This handles all of the sql/filtering
* on the data before it's thrown out to the templates
* it also handles pulling back the object_ids and then
* calling the correct template for the object we are displaying
*
*/
class Browse extends Query
{
/**
* @var boolean $show_header
*/
public $show_header;
/**
* Constructor.
*
* @param int|null $id
* @param boolean $cached
*/
public function __construct($id = null, $cached = true)
{
parent::__construct($id, $cached);
if (!$id) {
$this->set_use_pages(true);
$this->set_use_alpha(false);
$this->set_grid_view(true);
}
$this->show_header = true;
}
/**
* set_simple_browse
* This sets the current browse object to a 'simple' browse method
* which means use the base query provided and expand from there
*
* @param boolean $value
*/
public function set_simple_browse($value)
{
$this->set_is_simple($value);
} // set_simple_browse
/**
* add_supplemental_object
* Legacy function, need to find a better way to do that
*
* @param string $class
* @param int $uid
*/
public function add_supplemental_object($class, $uid)
{
$_SESSION['browse']['supplemental'][$this->id][$class] = intval($uid);
return true;
} // add_supplemental_object
/**
* get_supplemental_objects
* This returns an array of 'class','id' for additional objects that
* need to be created before we start this whole browsing thing.
*
* @return array
*/
public function get_supplemental_objects()
{
$objects = isset($_SESSION['browse']['supplemental'][$this->id]) ? $_SESSION['browse']['supplemental'][$this->id] : '';
if (!is_array($objects)) {
$objects = array();
}
return $objects;
} // get_supplemental_objects
/**
* update_browse_from_session
* Restore the previous start index from something saved into the current session.
*/
public function update_browse_from_session()
{
if ($this->is_simple() && $this->get_start() == 0) {
$name = 'browse_current_' . $this->get_type();
if (isset($_SESSION[$name]) && isset($_SESSION[$name]['start']) && $_SESSION[$name]['start'] > 0) {
// Checking if value is suitable
$start = $_SESSION[$name]['start'];
if ($this->get_offset() > 0) {
$set_page = floor($start / $this->get_offset());
if ($this->get_total() > $this->get_offset()) {
$total_pages = ceil($this->get_total() / $this->get_offset());
} else {
$total_pages = 0;
}
if ($set_page >= 0 && $set_page <= $total_pages) {
$this->set_start($start);
}
}
}
}
}
/**
* show_objects
* This takes an array of objects
* and requires the correct template based on the
* type that we are currently browsing
*
* @param int[] $object_ids
*/
public function show_objects($object_ids = null, $argument = null)
{
if ($this->is_simple() || !is_array($object_ids)) {
$object_ids = $this->get_saved();
} else {
$this->save_objects($object_ids);
}
// Limit is based on the user's preferences if this is not a
// simple browse because we've got too much here
if ($this->get_start() >= 0 && (count($object_ids) > $this->get_start()) &&
! $this->is_simple()) {
$object_ids = array_slice(
$object_ids,
$this->get_start(),
$this->get_offset(),
true
);
} else {
if (!count($object_ids)) {
$this->set_total(0);
}
}
// Load any additional object we need for this
$extra_objects = $this->get_supplemental_objects();
$browse = $this;
foreach ($extra_objects as $class_name => $id) {
${$class_name} = new $class_name($id);
}
$match = '';
// Format any matches we have so we can show them to the masses
if ($filter_value = $this->get_filter('alpha_match')) {
$match = ' (' . $filter_value . ')';
} elseif ($filter_value = $this->get_filter('starts_with')) {
$match = ' (' . $filter_value . ')';
/*} elseif ($filter_value = $this->get_filter('regex_match')) {
$match = ' (' . $filter_value . ')';
} elseif ($filter_value = $this->get_filter('regex_not_match')) {
$match = ' (' . $filter_value . ')';*/
} elseif ($filter_value = $this->get_filter('catalog')) {
// Get the catalog title
$catalog = Catalog::create_from_id(intval($filter_value));
$match = ' (' . $catalog->name . ')';
}
$type = $this->get_type();
// Update the session value only if it's allowed on the current browser
if ($this->get_update_session()) {
$_SESSION['browse_current_' . $type]['start'] = $browse->get_start();
}
// Set the correct classes based on type
$class = "box browse_" . $type;
$argument_param = ($argument ? '&argument=' . scrub_in($argument) : '');
debug_event('browse', 'Show objects called for type {' . $type . '}', '5');
$limit_threshold = $this->get_threshold();
// Switch on the type of browsing we're doing
switch ($type) {
case 'song':
$box_title = T_('Songs') . $match;
Song::build_cache($object_ids, $limit_threshold);
$box_req = AmpConfig::get('prefix') . UI::find_template('show_songs.inc.php');
break;
case 'album':
Album::build_cache($object_ids);
$box_title = T_('Albums') . $match;
if (is_array($argument)) {
$allow_group_disks = $argument['group_disks'];
if ($argument['title']) {
$box_title = $argument['title'];
}
} else {
$allow_group_disks = false;
}
$box_req = AmpConfig::get('prefix') . UI::find_template('show_albums.inc.php');
break;
case 'user':
$box_title = T_('Users') . $match;
$box_req = AmpConfig::get('prefix') . UI::find_template('show_users.inc.php');
break;
case 'artist':
$box_title = T_('Artists') . $match;
Artist::build_cache($object_ids, true, $limit_threshold);
$box_req = AmpConfig::get('prefix') . UI::find_template('show_artists.inc.php');
break;
case 'live_stream':
$box_title = T_('Radio Stations') . $match;
$box_req = AmpConfig::get('prefix') . UI::find_template('show_live_streams.inc.php');
break;
case 'playlist':
Playlist::build_cache($object_ids);
$box_title = T_('Playlists') . $match;
$box_req = AmpConfig::get('prefix') . UI::find_template('show_playlists.inc.php');
break;
case 'playlist_media':
$box_title = T_('Playlist Medias') . $match;
$box_req = AmpConfig::get('prefix') . UI::find_template('show_playlist_medias.inc.php');
break;
case 'playlist_localplay':
$box_title = T_('Current Playlist');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_localplay_playlist.inc.php');
UI::show_box_bottom();
break;
case 'smartplaylist':
$box_title = T_('Smart Playlists') . $match;
$box_req = AmpConfig::get('prefix') . UI::find_template('show_searches.inc.php');
break;
case 'catalog':
$box_title = T_('Catalogs');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_catalogs.inc.php');
break;
case 'shoutbox':
$box_title = T_('Shoutbox Records');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_manage_shoutbox.inc.php');
break;
case 'tag':
Tag::build_cache($object_ids);
$box_title = T_('Tag Cloud');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_tagcloud.inc.php');
break;
case 'video':
Video::build_cache($object_ids);
$video_type = 'video';
$box_title = T_('Videos');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_videos.inc.php');
break;
case 'democratic':
$box_title = T_('Democratic Playlist');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_democratic_playlist.inc.php');
break;
case 'wanted':
$box_title = T_('Wanted Albums');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_wanted_albums.inc.php');
break;
case 'share':
$box_title = T_('Shared Objects');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_shared_objects.inc.php');
break;
case 'song_preview':
$box_title = T_('Songs');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_song_previews.inc.php');
break;
case 'channel':
$box_title = T_('Channels');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_channels.inc.php');
break;
case 'broadcast':
$box_title = T_('Broadcasts');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_broadcasts.inc.php');
break;
case 'license':
$box_title = T_('Media Licenses');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_manage_license.inc.php');
break;
case 'tvshow':
$box_title = T_('TV Shows');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_tvshows.inc.php');
break;
case 'tvshow_season':
$box_title = T_('Seasons');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_tvshow_seasons.inc.php');
break;
case 'tvshow_episode':
$box_title = T_('Episodes');
$video_type = $type;
$box_req = AmpConfig::get('prefix') . UI::find_template('show_videos.inc.php');
break;
case 'movie':
$box_title = T_('Movies');
$video_type = $type;
$box_req = AmpConfig::get('prefix') . UI::find_template('show_videos.inc.php');
break;
case 'clip':
$box_title = T_('Clips');
$video_type = $type;
$box_req = AmpConfig::get('prefix') . UI::find_template('show_videos.inc.php');
break;
case 'personal_video':
$box_title = T_('Personal Videos');
$video_type = $type;
$box_req = AmpConfig::get('prefix') . UI::find_template('show_videos.inc.php');
break;
case 'label':
$box_title = T_('Labels');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_labels.inc.php');
break;
case 'pvmsg':
$box_title = T_('Private Messages');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_pvmsgs.inc.php');
break;
case 'podcast':
$box_title = T_('Podcasts');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_podcasts.inc.php');
break;
case 'podcast_episode':
$box_title = T_('Podcast Episodes');
$box_req = AmpConfig::get('prefix') . UI::find_template('show_podcast_episodes.inc.php');
break;
default:
// Rien a faire
break;
} // end switch on type
Ajax::start_container($this->get_content_div(), 'browse_content');
if ($this->get_show_header()) {
if (isset($box_req) && isset($box_title)) {
UI::show_box_top($box_title, $class);
}
}
if (isset($box_req)) {
require $box_req;
}
if ($this->get_show_header()) {
if (isset($box_req)) {
UI::show_box_bottom();
}
echo '<script type="text/javascript">';
echo Ajax::action('?page=browse&action=get_filters&browse_id=' . $this->id . $argument_param, '');
echo ';</script>';
} else {
if (!$this->get_use_pages()) {
$this->show_next_link($argument);
}
}
Ajax::end_container();
} // show_object
public function show_next_link($argument = null)
{
$limit = $this->get_offset();
$start = $this->get_start();
$total = $this->get_total();
$next_offset = $start + $limit;
if ($next_offset <= $total) {
echo '<a class="jscroll-next" href="' . AmpConfig::get('ajax_url') . '?page=browse&action=page&browse_id=' . $this->id . '&start=' . $next_offset . '&xoutput=raw&xoutputnode=' . $this->get_content_div() . '&show_header=false' . $argument . '">' . T_('More') . '</a>';
}
}
/**
* set_filter_from_request
* //FIXME
* @param array $request
*/
public function set_filter_from_request($request)
{
foreach ($request as $key => $value) {
//reinterpret v as a list of int
$list = explode(',', $value);
$ok = true;
foreach ($list as $item) {
if (!is_numeric($item)) {
$ok = false;
break;
}
}
if ($ok) {
if (sizeof($list) == 1) {
$this->set_filter($key, $list[0]);
}
} else {
$this->set_filter($key, $list);
}
}
} // set_filter_from_request
/**
*
* @param string $type
* @param string $custom_base
*/
public function set_type($type, $custom_base = '')
{
$cn = 'browse_' . $type . '_pages';
if (isset($_COOKIE[$cn])) {
$this->set_use_pages($_COOKIE[$cn] == 'true');
}
$cn = 'browse_' . $type . '_alpha';
if (isset($_COOKIE[$cn])) {
$this->set_use_alpha($_COOKIE[$cn] == 'true');
} else {
$default_alpha = explode(",", AmpConfig::get('libitem_browse_alpha'));
if (in_array($type, $default_alpha)) {
$this->set_use_alpha(true, false);
}
}
$cn = 'browse_' . $type . '_grid_view';
if (isset($_COOKIE[$cn])) {
$this->set_grid_view($_COOKIE[$cn] == 'true');
}
parent::set_type($type, $custom_base);
}
/**
*
* @param string $option
* @param string $value
*/
public function save_cookie_params($option, $value)
{
if ($this->get_type()) {
setcookie('browse_' . $this->get_type() . '_' . $option, $value, time() + 31536000, "/");
}
}
/**
*
* @param boolean $use_pages
*/
public function set_use_pages($use_pages, $savecookie = true)
{
if ($savecookie) {
$this->save_cookie_params('pages', $use_pages ? 'true' : 'false');
}
$this->_state['use_pages'] = $use_pages;
}
/**
*
* @return boolean
*/
public function get_use_pages()
{
return $this->_state['use_pages'];
}
/**
*
* @param boolean $grid_view
*/
public function set_grid_view($grid_view, $savecookie = true)
{
if ($savecookie) {
$this->save_cookie_params('grid_view', $grid_view ? 'true' : 'false');
}
$this->_state['grid_view'] = $grid_view;
}
/**
*
* @return boolean
*/
public function get_grid_view()
{
return $this->_state['grid_view'];
}
/**
*
* @param boolean $use_alpha
*/
public function set_use_alpha($use_alpha, $savecookie = true)
{
if ($savecookie) {
$this->save_cookie_params('alpha', $use_alpha ? 'true' : 'false');
}
$this->_state['use_alpha'] = $use_alpha;
if ($use_alpha) {
if (count($this->_state['filter']) == 0) {
$this->set_filter('regex_match', '^A');
}
} else {
$this->set_filter('regex_not_match', '');
}
}
/**
*
* @return boolean
*/
public function get_use_alpha()
{
return $this->_state['use_alpha'];
}
/**
*
* @param boolean $show_header
*/
public function set_show_header($show_header)
{
$this->show_header = $show_header;
}
/**
* Allow the current page to be save into the current session
* @param boolean $update_session
*/
public function set_update_session($update_session)
{
$this->_state['update_session'] = $update_session;
}
/**
*
* @return boolean
*/
public function get_show_header()
{
return $this->show_header;
}
/**
*
* @return boolean
*/
public function get_update_session()
{
return $this->_state['update_session'];
}
/**
*
* @param string $threshold
*/
public function set_threshold($threshold)
{
$this->_state['threshold'] = $threshold;
}
/**
*
* @return string
*/
public function get_threshold()
{
return $this->_state['threshold'];
}
/**
*
* @return string
*/
public function get_css_class()
{
$css = '';
if (!$this->_state['grid_view']) {
$css = 'disablegv';
}
return $css;
}
} // browse