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<?php
/*
Copyright (c) 2001 - 2007 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 v2
as published by the Free Software Foundation.
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.
*/
/**
* Stats
* this class handles the object_count
* Stuff, before this was done in the user class
* but that's not good, all done through here.
*/
class Stats {
/* Base vars */
var $id;
var $object_type;
var $object_id;
var $date;
var $user;
/**
* Constructor
* This doesn't do anything currently
*/
public function __construct() {
return true;
} // Constructor
/**
* insert
* This inserts a new record for the specified object
* with the specified information, amazing!
*/
public static function insert($type,$oid,$user) {
$type = self::validate_type($type);
$oid = Dba::escape($oid);
$user = Dba::escape($user);
$date = time();
$sql = "INSERT INTO `object_count` (`object_type`,`object_id`,`date`,`user`) " .
" VALUES ('$type','$oid','$date','$user')";
$db_results = Dba::query($sql);
if (!$db_results) {
debug_event('statistics','Unabled to insert statistics:' . $sql,'3');
}
} // insert
/**
* get_last_song
* This returns the full data for the last song that was played, including when it
* was played, this is used by, among other things, the LastFM plugin to figure out
* if we should re-submit or if this is a duplicate / if it's too soon. This takes an
* optional user_id because when streaming we don't have $GLOBALS()
*/
public static function get_last_song($user_id='') {
$user_id = $user_id ? $user_id : $GLOBALS['user']->id;
$user_id = Dba::escape($user_id);
$sql = "SELECT * FROM `object_count` WHERE `user`='$user_id' AND `object_type`='song' ORDER BY `date` DESC LIMIT 1";
$db_results = Dba::query($sql);
$results = Dba::fetch_assoc($db_results);
return $results;
} // get_last_song
/**
* get_top
* This returns the top X for type Y from the
* last conf('stats_threshold') days
*/
public static function get_top($type,$count='',$threshold = '') {
/* If they don't pass one, then use the preference */
if (!$threshold) {
$threshold = Config::get('stats_threshold');
}
if (!$count) {
$count = Config::get('popular_threshold');
}
$count = intval($count);
$type = self::validate_type($type);
$date = time() - (86400*$threshold);
/* Select Top objects counting by # of rows */
$sql = "SELECT object_id,COUNT(id) AS `count` FROM object_count" .
" WHERE object_type='$type' AND date >= '$date'" .
" GROUP BY object_id ORDER BY `count` DESC LIMIT $count";
$db_results = Dba::query($sql);
$results = array();
while ($r = Dba::fetch_assoc($db_results)) {
$results[] = new $type($r['object_id']);
}
return $results;
} // get_top
/**
* get_user
* This gets all stats for atype based on user with thresholds and all
* If full is passed, doesn't limit based on date
*/
public static function get_user($count,$type,$user,$full='') {
$count = intval($count);
$type = self::validate_type($type);
$user = Dba::escape($user);
/* If full then don't limit on date */
if ($full) {
$date = '0';
}
else {
$date = time() - (86400*Config::get('stats_threshold'));
}
/* Select Objects based on user */
//FIXME:: Requires table scan, look at improving
$sql = "SELECT object_id,COUNT(id) AS `count` FROM object_count" .
" WHERE object_type='$type' AND date >= '$date' AND user = '$user'" .
" GROUP BY object_id ORDER BY `count` DESC LIMIT $count";
$db_results = Dba::query($sql);
$results = array();
while ($r = Dba::fetch_assoc($db_results)) {
$results[] = $r;
}
return $results;
} // get_user
/**
* validate_type
* This function takes a type and returns only those
* which are allowed, ensures good data gets put into the db
*/
public static function validate_type($type) {
switch ($type) {
case 'artist':
return 'artist';
break;
case 'album':
return 'album';
break;
case 'genre':
return 'genre';
break;
case 'song':
default:
return 'song';
break;
} // end switch
} // validate_type
/**
* get_newest
* This returns an array of the newest artists/albums/whatever
* in this ampache instance
*/
public static function get_newest($type,$limit='') {
if (!$limit) { $limit = Config::get('popular_threshold'); }
$type = self::validate_type($type);
$object_name = ucfirst($type);
$sql = "SELECT DISTINCT($type) FROM `song` ORDER BY `addition_time` DESC " .
"LIMIT $limit";
$db_results = Dba::query($sql);
while ($r = Dba::fetch_row($db_results)) {
$object = new $object_name($r['0']);
$items[] = $object;
} // end while results
return $items;
} // get_newest
} // Stats class
?>
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