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<?php
/*
Copyright (c) 2001 - 2006 Ampache.org
All Rights Reserved
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; either version 2
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 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.
*/
/**
* Playlist Library
* This file should contain the functions that don't fit inside the object, but
* still are related to handling playlists
*/
/**
* show_playlists
* This shows all of the current playlists. Depending on your rights you may just
* get to see Public + Yours Private or if you're an admin then you get to see
* Public + Yours + Private
*/
function show_playlists() {
show_playlist_menu();
/* Always show yours first */
$playlists = get_playlists('private');
$type = 'Private';
require (conf('prefix') . '/templates/show_playlists.inc.php');
/* Now for some Admin? */
if ($GLOBALS['user']->has_access(100)) {
$playlists = get_playlists('adminprivate');
$type = 'Admin';
require (conf('prefix') . '/templates/show_playlists.inc.php');
}
/* Always Show Public */
$playlists = get_playlists('public');
$type = 'Public';
require (conf('prefix') . '/templates/show_playlists.inc.php');
} // show_playlists
/**
* show_playlist_edit
* This function shows the edit form for a playlist, nothing special here
*/
function show_playlist_edit($playlist_id) {
$playlist = new Playlist($playlist_id);
/* Chuck em out if they don't have the rights */
if (!$playlist->has_access()) { access_denied(); return false; }
require_once (conf('prefix') . '/templates/show_playlist_edit.inc.php');
} // show_playlist_edit
/**
* get_playlists
* This function takes private,adminprivate or public and returns an array of playlist objects
* that match, it checks permission
*/
function get_playlists($type) {
switch ($type) {
case 'private':
$sql = "SELECT id FROM playlist WHERE user='" . sql_escape($GLOBALS['user']->id) . "'" .
" AND type='private' ORDER BY name";
break;
case 'adminprivate':
if (!$GLOBALS['user']->has_access(100)) { return false; }
$sql = "SELECT id FROM playlist WHERE user!='" . sql_escape($GLOBALS['user']->id) . "'" .
" AND type='private' ORDER BY name";
break;
default:
case 'public':
$sql = "SELECT id FROM playlist WHERE type='public' ORDER BY name";
break;
} // end switch
$db_results = mysql_query($sql, dbh());
$results = array();
while ($r = mysql_fetch_assoc($db_results)) {
$playlist = new Playlist($r['id']);
$results[] = $playlist;
}
return $results;
} // get_playlists
/**
* prune_empty_playlists
* This function goes through and deletes any playlists which have
* no songs in them. This can only be done by a full admin
*/
function prune_empty_playlists() {
$sql = "SELECT playlist.id FROM playlist LEFT JOIN playlist_data ON playlist.id=playlist_data.playlist " .
"WHERE playlist_data.id IS NULL";
$db_results = mysql_query($sql, dbh());
$results = array();
while ($r = mysql_fetch_assoc($db_results)) {
$results[] = $r['id'];
}
/* Delete the Playlists */
foreach ($results as $playlist_id) {
$playlist = new Playlist($playlist_id);
$playlist->delete();
}
return true;
} // prune_empty_playlists
/**
* show_playlist_select
* This shows the playlist select box, it takes a playlist ID and a type as an optional
* param, the type is 'normal','democratic','dynamic' these are hacks and make baby vollmer cry
* but I'm too lazy to fix them right now
*/
function show_playlist_select($playlist_id=0,$type='') {
/* If democratic show everything, else normal */
if ($type == 'democratic') {
$where_sql = '1=1';
}
else {
$where_sql = " `user` = '" . Dba::escape($GLOBALS['user']->id) . "'";
}
$sql = "SELECT id,name FROM playlist " .
"WHERE " . $where_sql . " ORDER BY `name`";
$db_results = Dba::query($sql);
echo "<select name=\"playlist_id\">\n";
/* The first value changes depending on our type */
if ($type == 'democratic') {
echo "\t<option value=\"0\">" . _('All') . "</option>\n";
}
elseif ($type != 'dynamic') {
echo "\t<option value=\"0\"> -" . _('New Playlist') . "- </option>\n";
}
while ($r = mysql_fetch_assoc($db_results)) {
$select_txt = '';
if ($playlist_id == $r['id']) { $select_txt = ' selected="selected" '; }
echo "\t<option value=\"" . scrub_out($r['id']) . "\"$select_txt>" . scrub_out($r['name']) . "</option>\n";
} // end while
echo '</select>';
} // show_playlist_select
?>
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