/**
* Gets the overall rating for the node.
*
* @author Ben Dodson
* @version 6/5/04
* @since 6/5/04
*/
function getRating()
{
$cache = $this->readCache();
return $cache[5] == 0 ? 0 : estimateRating($cache[4] / $cache[5]);
}
/**
* Add a rating for the node.
*
* @author Ben Dodson
* @version 6/7/04
* @since 6/7/04
*/
function addRating($rating, $weight = false)
{
global $sql_type, $sql_pw, $sql_usr, $sql_socket, $sql_db, $rating_weight, $jzUSER;
if ($weight === false) {
$weight = $jzUSER->getSetting('ratingweight');
}
if (!($link = jz_db_connect())) {
die("could not connect to database.");
}
$addRating = $rating * $weight;
$addWeight = $weight;
$path = jz_db_escape($this->getPath("String"));
$results = jz_db_query($link, "SELECT rating,rating_count FROM jz_nodes WHERE path = '{$path}'");
if ($results->data[0]['rating_count'] == 0) {
$rval = $rating;
} else {
$rval = estimateRating(($results->data[0]['rating'] + $addRating) / ($results->data[0]['rating_count'] + $addWeight));
}
$results = jz_db_query($link, "UPDATE jz_nodes SET rating=rating+{$addRating},\n rating_count=rating_count+{$addWeight}, rating_val={$rval} WHERE path = '{$path}'");
if ($rating_weight > 0 && $this->getLevel() > 0) {
$path = $this->getPath();
array_pop($path);
$next =& new jzMediaNode($path);
$next->addRating($rating, $weight * $rating_weight);
}
jz_db_close($link);
}
/**
* Displays or returns the rating for an object
*
*
* @author Ross Carlson
* @version 11/20/04
* @since 11/20/04
* @param $node The node that we are getting the rating for
* @param $return Return the data or display (true = return)
*/
function rating($node, $return = false)
{
global $img_star_full, $img_star_half_empty, $img_star_left, $img_star_right, $img_star_full_empty, $include_path, $img_star_full_raw, $img_star_empty_raw;
// Let's increment the counter
$_SESSION['jz_stars_group']++;
// Let's grab the rating from the node
$rating = estimateRating($node->getRating());
// First lets see if we should just return if this is nothing
if (!$rating) {
return;
}
// Now let's start the rating icon
$retVal .= $img_star_left;
$total_rating = $rating;
for ($i = floor($rating); $i > 0; $i--) {
$retVal .= $img_star_full;
}
if ($rating - floor($rating) > 0.25) {
$retVal .= $img_star_half_empty;
}
// Now we need to finish this off to make 5
for ($i = ceil($rating); $i < 5; $i++) {
$retVal .= $img_star_full_empty;
}
// Now let's finish it off
$retVal .= $img_star_right;
if ($return) {
return $retVal;
} else {
echo $retVal;
}
}
