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<?php
/*
Copyright (c) 2001 - 2005 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.
*/
/**
* Rating class
* This is an amalgamation(sp?) of code from SoundOfEmotion
* to track ratings for songs, albums and artists.
*/
class Rating {
/* Provided vars */
var $id; // The ID of the object who's ratings we want to pull
var $type; // The type of object we want
/* Generated vars */
var $rating; // The average rating as set by all users
/**
* Constructor
* This is run every time a new object is created, it requires
* the id and type of object that we need to pull the raiting for
*/
function Rating($id,$type) {
$this->id = $id;
$this->type = $type;
if (intval($id) > 1) {
$this->get_average();
}
} // Rating
/**
* get_user
* Get the user's rating this is based off the currently logged
* in user. It returns the value
*/
function get_user($username) {
$username = sql_escape($username);
$sql = "SELECT rating FROM ratings WHERE user='$username' AND object_id='$this->id' AND object_type='$this->type'";
$db_results = mysql_query($sql, dbh());
$results = mysql_fetch_assoc($db_results);
return $results['rating'];
} // get_user
/**
* get_average
* Get the users average rating this is based off the floor'd average
* of what everyone has rated this album as. This is shown if there
* is no personal rating, and used for random play mojo. It sets
* $this->average_rating and returns the value
*/
function get_average() {
$sql = "SELECT rating FROM ratings WHERE object_id='$this->id' AND object_type='$this->type'";
$db_results = mysql_fetch_assoc($db_results);
$i = 0;
while ($r = mysql_fetch_assoc($db_results)) {
$i++;
$total = $r['rating'];
} // while we're pulling results
$average = floor($total/$i);
$this->rating = $average;
return $average;
} // get_average
/**
* set_rating
* This function sets a rating for the current $this object.
* This uses the currently logged in user for the 'user' who is rating
* the object. Returns true on success, false on failure
*/
function set_rating() {
} // set_rating
} //end rating class
?>
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