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Rating Class: Option to reduce the number of ratings lookups. eg. {NEWS_RATE: multi=1}

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Cameron 2017-10-01 11:06:59 -07:00
parent fab33e46fc
commit 024cac1854
1 changed files with 125 additions and 40 deletions
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165
e107_handlers/rate_class.php
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@ -13,14 +13,40 @@ if (!defined('e107_INIT')) { exit; }
e107::includeLan(e_LANGUAGEDIR.e_LANGUAGE."/lan_rate.php");
class rater {
function render($table,$id,$options=array())
class rater
{
private $ratings = array(); // loaded values.
private $multi = false; // multiple lookup .
function __construct()
{
}
/**
* Render ratings widget
*
* @param string $table eg. 'news'
* @param integer $id
* @param array $options
* @param bool $options['multi'] - set to true if used in a loop. ie. mutliple table lookups.
* @param bool $options['readonly']
* @param string $options['label']
* @param string $options['template'] - default is 'STATUS |RATE|VOTES'
* @param string $options['uniqueId'] (optional) = unique identifer to avoid ID conflicts;
* *
* @return string
*/
function render($table, $id, $options=array())
{
if(!empty($options['multi']))
{
$this->multi = true;
}
list($votes,$score,$uvoted) = $this->getrating($table, $id);
// return "Table=".$table." itmeId=".$id." Votes=".$votes." score=".$score;
if(is_string($options))
@ -188,9 +214,14 @@ class rater {
}
}
function getrating($table, $id, $userid=FALSE) {
function getrating($table, $id, $userid=false)
{
//userid : boolean, get rating for a single user, or get general total rating of the item
$table = preg_replace('/\W/', '', $table);
$id = intval($id);
@ -198,55 +229,109 @@ class rater {
{
return RATELAN_10;
}
$sep = chr(1);
if($this->multi === true)
{
if(isset($this->ratings[$table]))
{
if(!empty($this->ratings[$table][$id]))
{
return $this->ratings[$table][$id];
}
return array(0,0,0);
}
$tmp = e107::getDb('rate')->retrieve("rate", "*", "rate_table = '{$table}' ",true);
$val = array();
foreach($tmp as $row)
{
$rid = $row['rate_itemid'];
$val[$rid] = $this->processRow($row,$userid);
}
$this->ratings[$table] = $val;
if(!empty($this->ratings[$table][$id]))
{
return $this->ratings[$table][$id];
}
return array(0,0,0);
}
// $sep = chr(1);
$sql = new db;
if (!$sql->select("rate", "*", "rate_table = '{$table}' AND rate_itemid = '{$id}' "))
{
return FALSE;
return false;
}
else
{
$rowgr = $sql->fetch();
if($userid==TRUE)
return $this->processRow($rowgr,$userid);
}
}
/**
* @param array $rowgr
* @param bool $userid
* @return array
*/
private function processRow($rowgr,$userid = false)
{
$sep = chr(1);
if($userid == true)
{
$rating = array();
$rateusers = explode(".", $rowgr['rate_voters']);
for($i = 0; $i < count($rateusers); $i++)
{
$rating = "";
$rateusers = explode(".", $rowgr['rate_voters']);
for($i=0;$i<count($rateusers);$i++){
if(strpos($rateusers[$i], $sep)){
$rateuserinfo[$i] = explode($sep, $rateusers[$i]);
if($userid == $rateuserinfo[$i][0]){
$rating[0] = 0; //number of votes, not relevant in users rating
$rating[1] = $rateuserinfo[$i][1]; //the rating by this user
$rating[2] = 0; //no remainder is present, because we have a single users rating
break;
}
}else{
$rating[0] = 0; //number of votes, not relevant in users rating
$rating[1] = 0; //the rating by this user
$rating[2] = 0; //no remainder is present, because we have a single users rating
}
}
}
else
{
$rating[0] = $rowgr['rate_votes']; // $rating[0] == number of votes
$tmp = $rowgr['rate_rating'] / $rowgr['rate_votes'];
$tmp = (strpos($tmp,",")) ? explode(",", $tmp) : explode(".", $tmp);
$rating[1] = $tmp[0];
if(isset($tmp[1]))
if(strpos($rateusers[$i], $sep))
{
$rating[2] = substr($tmp[1], 0, 1);
$rateuserinfo[$i] = explode($sep, $rateusers[$i]);
if($userid == $rateuserinfo[$i][0])
{
$rating[0] = 0; //number of votes, not relevant in users rating
$rating[1] = $rateuserinfo[$i][1]; //the rating by this user
$rating[2] = 0; //no remainder is present, because we have a single users rating
break;
}
}
else
{
$rating[2] = "0";
$rating[0] = 0; //number of votes, not relevant in users rating
$rating[1] = 0; //the rating by this user
$rating[2] = 0; //no remainder is present, because we have a single users rating
}
}
return $rating;
}
else
{
$rating[0] = $rowgr['rate_votes']; // $rating[0] == number of votes
$tmp = $rowgr['rate_rating'] / $rowgr['rate_votes'];
$tmp = (strpos($tmp, ",")) ? explode(",", $tmp) : explode(".", $tmp);
$rating[1] = $tmp[0];
if(isset($tmp[1]))
{
$rating[2] = substr($tmp[1], 0, 1);
}
else
{
$rating[2] = "0";
}
}
return $rating;
}