/**
* Create an object and load user badge.
*
* <code>
* $keys = array(
* "user_id" => 1,
* "group_id" => 2
* );
* $userBadge = Gamification\User\Badge::getInstance(\JFactory::getDbo(), $keys);
* </code>
*
* @param \JDatabaseDriver $db
* @param array $keys
* @param array $options
*
* @return null|self
*/
public static function getInstance(\JDatabaseDriver $db, array $keys, array $options = array())
{
$userId = ArrayHelper::getValue($keys, "user_id");
$groupId = ArrayHelper::getValue($keys, "group_id");
$index = md5($userId . ":" . $groupId);
if (!isset(self::$instances[$index])) {
$item = new Badge($db);
$item->load($keys, $options);
self::$instances[$index] = $item;
}
return self::$instances[$index];
}
/**
* Prepare current and next badges.
*
* @param array $keys
*/
protected function prepareBadges($keys)
{
$this->currentUnit = Badge::getInstance($this->db, $keys);
$userPoints = $this->points->getPoints();
// Get all units
$query = $this->db->getQuery(true);
$query->select("a.id, a.title, a.points, a.image, a.note, a.published, a.points_id, a.group_id")->from($this->db->quoteName("#__gfy_badges", "a"))->where("a.points_id = " . (int) $this->points->getPointsId())->where("a.published = 1")->where("a.points > " . (int) $userPoints);
$this->db->setQuery($query, 0, 1);
$result = $this->db->loadObject();
if (!empty($result)) {
$this->nextUnit = new \Gamification\Badge\Badge($this->db);
$this->nextUnit->bind($result);
$this->percentage = $this->calculatePercentage($userPoints, $this->nextUnit->getPoints());
$this->percentNext = 100 - $this->percentage;
} else {
$this->percentage = 100;
$this->percentNext = 100;
}
}
/**
* Load all user badges and set them to group index.
* Every user can have only one badge for a group.
*
* <code>
* $options = array(
* "user_id" => 1,
* "group_id" => 2
* );
*
* $userBadges = new Gamification\User\Badges(\JFactory::getDbo())
* $userBadges->load($options);
* </code>
*
* @param array $options
*/
public function load($options = array())
{
$userId = ArrayHelper::getValue($options, "user_id");
$groupId = ArrayHelper::getValue($options, "group_id");
// Create a new query object.
$query = $this->db->getQuery(true);
$query->select("a.id, a.badge_id, a.user_id, a.group_id, " . "b.title, b.description, b.points, b.image, b.published, b.points_id, b.group_id")->from($this->db->quoteName("#__gfy_userbadges", "a"))->innerJoin($this->db->quoteName("#__gfy_badges", "b") . ' ON a.badge_id = b.id')->where("a.user_id = " . (int) $userId);
if (!empty($groupId)) {
$query->where("a.group_id = " . (int) $groupId);
}
$this->db->setQuery($query);
$results = (array) $this->db->loadAssocList();
if (!empty($results)) {
$this->userId = $userId;
if (!empty($groupId)) {
$this->groupId = $groupId;
}
foreach ($results as $result) {
$badge = new Badge(\JFactory::getDbo());
$badge->bind($result);
$this->items[$result["group_id"]][$result["badge_id"]] = $badge;
}
}
}
