SWAT/session/SWATSession.php5

<?php
class SWATSession extends SObject {

    protected $globalUser;  # represents the currently logged-in user
    protected $projectUsers = array();
    protected $transaction; # represents the transaction object
    protected $swat;
    protected $data;
    protected $curProject = null;
    protected $curProjectUser = null;

    /* -------------------------------------------- */
    /* Constructor                                  */
    /* -------------------------------------------- */

    public function __construct($swat) {
        # Retain a link to the parent SWAT object
        $this->swat = $swat;

        # Attempt to create and store the user object
        $this->globalUser = $this->createGlobalUser();
        if ($this->globalUser == null || $this->globalUser->hasError()) {
            $this->setPrettyError("construct", "Could not create user object");
            return false;
        }

        # Attempt to create and store the transaction object
        $this->getTransaction();
        if ($this->transaction == null || $this->transaction->hasError()) {
            $this->setPrettyError("construct", "Could not create transaction object");
            return false;
        }

        return true;
    }

    /* -------------------------------------------- */
    /* Global User                                  */
    /* -------------------------------------------- */

    protected function createGlobalUser() {
        $userClass = SConfig::getOption('swat.globalUserClass');
        return new $userClass();
    }

    public function getGlobalUser() {
        return $this->globalUser;
    }

    /* -------------------------------------------- */
    /* Project User                                 */
    /* -------------------------------------------- */

    public function getProjectUser($project = "") {
        if ($project == "") $project = SConfig::getOption('swat.currentProject');

        # if the project has changed since this function was last called,
        # reset the cached project user.
        if ($this->curProject != $project) {
            $this->curProject = $project;
            $this->curProjectUser = null;
        }

        # if no user is cached, cache a user in the local variable
        if ($this->curProjectUser == null) {
            if (isset($this->projectUsers[$project])){
                $this->curProjectUser = unserialize($this->projectUsers[$project]);
            }
        }
        return $this->curProjectUser;
    }

    public function setProjectUser($user, $project = "") {
        if ($project == "") $project = SConfig::getOption('swat.currentProject');
        $this->curProjectUser = $user;
        $this->projectUsers[$project] = serialize($user);
    }

    public function sync() {
        $this->projectUsers[$this->curProject] = serialize($this->curProjectUser);
        $this->curProjectUser = null;
        $this->curProject = null;
    }

    /* -------------------------------------------- */
    /* Transactions                                 */
    /* -------------------------------------------- */

    public function getTransaction() {
        if ($this->transaction == null) { $this->transaction = new STransaction(); }
        return $this->transaction;
    }

    /* -------------------------------------------- */
    /* SWAT Object Pointer                          */
    /* -------------------------------------------- */

    public function getSWAT() {
        return $this->swat;
    }

    public function setSWAT($swat) {
        $this->swat = $swat;
    }

    /* -------------------------------------------- */
    /* Storing Data                                 */
    /* -------------------------------------------- */

    public function addData($name, $data) {
        $this->data[$name] = $data;
    }

    public function getData($name) {
        if(isset($this->data[$name]))
            return $this->data[$name];
        else
            return null;
    }
}

?>

---