/**
* Gets a user from their userid.
* @param string $id The user's id.
* @return User
*/
public static function fromId($id)
{
// See if there's a cache hit
$cached = ObjCache::get(OBJCACHE_TYPE_USER, $id);
if ($cached != null) {
return $cached;
}
// Create the user
$user = new User();
$user->row = self::getRowById($id);
// Add it to the cache
ObjCache::set(OBJCACHE_TYPE_USER, $user->getUserId(), $user);
return $user;
}
/**
* Gets a entry given its unique id.
* @param int $entryid The entry id.
* @return Entry
*/
public static function fromId($entryid)
{
// See if theres a cache hit
$cached = ObjCache::get(OBJCACHE_TYPE_ENTRY, $entryid);
if ($cached != null) {
return $cached;
}
// Do the database query
$query = Database::connection()->prepare('SELECT * FROM entry WHERE entryid = ?');
$query->bindValue(1, $entryid, PDO::PARAM_INT);
if (!$query->execute() || $query->rowCount() == 0) {
throw new Exception('Entry does not exist.');
}
// Cache it and return
return self::fromRow($query->fetch());
}
/**
* Gets a answer given its unique id.
* @param int $answerid The answer id.
* @return Answer
*/
public static function fromId($answerid)
{
// See if theres a cache hit
$cached = ObjCache::get(OBJCACHE_TYPE_ANSWER, $answerid);
if ($cached != null) {
return $cached;
}
// Do the database query
$query = Database::connection()->prepare('SELECT * FROM question_answer WHERE answerid = ?');
$query->bindValue(1, $answerid, PDO::PARAM_INT);
if (!$query->execute() || $query->rowCount() == 0) {
throw new Exception('Answer does not exist.');
}
return self::fromRow($query->fetch());
}
