Source

cruge / models / data / CrugeSession.php

<?php

/**
 * This is the model class for table "CrugeSession".
 *
 * The followings are the available columns in table 'CrugeSession':
 * @property integer $idsession
 * @property integer $iduser
 * @property string $created
 * @property string $expire
 * @property integer $status
 * @property string $ipaddress
 * @property string $ipaddressout
 * @property string $logoutdate
 * @property integer $usagecount
 * @property string $lastusage
 * @author: Christian Salazar H. <christiansalazarh@gmail.com> @bluyell
 * @license protected/modules/cruge/LICENCE
 */
class CrugeSession extends CActiveRecord implements ICrugeSession
{

	/*
		@returns nueva instancia de CrugeSession
	*/
	public static function create($iduser,$durationMins){
		$model = new CrugeSession();
		$model->iduser = $iduser;
		$model->created = CrugeUtil::now();
		$model->lastusage = $model->created;
		$model->expire = CrugeUtil::makeExpirationDateTime($durationMins);
		$model->status = 1;
		$model->usagecount = 1;
		$model->ipaddress = CrugeUtil::getIpAddress();
		return $model;
	}
	
	/** que hacer cuando la sesion es reutilizada
		@returns void.  
	*/
	public function onReusage(){
		$this->usagecount++;
		$this->lastusage = CrugeUtil::now();
		$this->ipaddress = CrugeUtil::getIpAddress();
	}
	
	/*	almacena la sesion, que puede ser nueva o reutilizada
		@returns boolean. false=causa que la sesion no se asigne.
	*/
	public function store(){
		$ret = false;
		if($this->getIsNewRecord()){
			$ret = $this->insert();
		}else{
			$ret = $this->update();
		}
		
		Yii::log(__CLASS__."::store() #".$this->getPrimaryKey()
			."\nresult=".$ret."\nerrorinfo:".CHtml::errorSummary($this)."\n"
			."json: ".CJSON::encode($this)."\n"
			,"info");
		
		return $ret;
	}
	

	/**
		es importante devolver el username porque este resultado podria evaluarse
		sobre un CAccessRule el cual comparara el nombre del user de su regla con este que
		aqui se retorna.
	
		@returns string Nombre del usuario (username) de esta sesion
	*/
	public function getSessionName(){
		return $this->user->username;
	}

	/**
		@returns CrugeSession una instancia del modelo hallada por su IDSESSION
	*/
	public static function loadModel($id){
		return self::model()->findByPk($id);
	}

	/*
		@returns CrugeSession instancia de la sesion mas reciente hallada para este usuario
	*/
	public static function findLast($iduser){
		
		$model = null;
	
		// busca si este usuario tiene una sesion valida, para reutilizarla
		//
		$curSession = self::model()->findByAttributes(
			array('iduser'=>$iduser),array('order'=>'idsession DESC'));
		Yii::log(__CLASS__."::findLast iduser={$iduser}\ncurSession:".CJSON::encode($curSession),"info");	
			
		$info="";
		if($curSession != null){
			$info.="[sesion encontrada]";
			if($curSession->validateSession()==true){
				$info.="[sesion validada]";
				$model = $curSession;
			}else{
				$info.="[sesion no validada]";
			}
		}else{
			$info.="[sesion no hallada]";
		}
		
		Yii::log(__CLASS__."::findLast\nresult:".$info,"info");
		
		return $model;
	}
	
	/**
		@returns Boolean indicando que la sesion es valida para ser utilizada y asignada
	*/
	public function validateSession(){
		if((1*($this->status)) != 1){
			Yii::log("CrugeSession. validateSession. causa: estatus cerrado","info");
			return false;
		}
		
		if($this->isSessionExpired()==true){
			Yii::log("CrugeSession. validateSession. causa: sesion expirada. date.now="
				.CrugeUtil::now(),"info");
			return false;
		}
		
		return true;
	}

	/*
		@returns boolean true indicando que la sesion ha expirado
	*/
	public function isSessionExpired(){
		return CrugeUtil::isExpired($this->expire) != '';
	}
	
	/* es invocado por CrugeWebUser via interfaz ICrugeSession
	
		@returns VOID
	*/
	public function logout(){
		$this->logoutdate = CrugeUtil::now();
		$this->ipaddressout = CrugeUtil::getIpAddress();
		$this->status 	 = 0;
	}
	/*
		@returns VOID
	*/
	public function expiresession(){
		$this->status 	 = 0;
	}
	public function tableName()
	{
		return CrugeUtil::getTableName('session');
	}
	public function getPrimaryKey(){
		return $this->idsession;
	}
	
	
	
	/**
	 * Returns the static model of the specified AR class.
	 * @return CrugeSession the static model class
	 */
	public static function model($className=__CLASS__)
	{
		return parent::model($className);
	}
	

	/**
	 * @return array validation rules for model attributes.
	 */
	public function rules()
	{
		// NOTE: you should only define rules for those attributes that
		// will receive user inputs.
		return array(
			array('iduser', 'required'),
			array('iduser, status', 'numerical', 'integerOnly'=>true),
			array('ipaddress, ipaddressout', 'length', 'max'=>45),
			array('created, expire', 'required'),
			array('usagecount, lastusage', 'safe'),
			// The following rule is used by search().
			// Please remove those attributes that should not be searched.
			array('idsession, iduser, created, expire, status, ipaddress', 'safe', 'on'=>'search'),
		);
	}

	/**
	 * @return array relational rules.
	 */
	public function relations()
	{
		// NOTE: you may need to adjust the relation name and the related
		// class name for the relations automatically generated below.
		return array(
			'user' => array(self::BELONGS_TO, 'crugestoreduser' , 'iduser'),
		);
	}

	/**
	 * @return array customized attribute labels (name=>label)
	 */
	public function attributeLabels()
	{
		return array(
			'idsession' => 'Idsession',
			'iduser' => 'Iduser',
			'sessionname' => CrugeTranslator::t("usuario"),
			'created' => CrugeTranslator::t("creacion"),
			'expire' => CrugeTranslator::t("expira"),
			'lastusage' => CrugeTranslator::t("ultimo uso"),
			'status' => CrugeTranslator::t("estado"),
			'usagecount' => CrugeTranslator::t("contador<br/>login"),
			'ipaddress' => 'Ipaddress',
		);
	}

	/**
	 * Retrieves a list of models based on the current search/filter conditions.
	 * @return CActiveDataProvider the data provider that can return the models based on the search/filter conditions.
	 */
	public function search()
	{
		// Warning: Please modify the following code to remove attributes that
		// should not be searched.

		$criteria=new CDbCriteria;

		$criteria->compare('idsession',$this->idsession);
		$criteria->compare('iduser',$this->iduser);
		$criteria->compare('created',$this->created,true);
		$criteria->compare('expire',$this->expire,true);
		$criteria->compare('status',$this->status);
		$criteria->compare('ipaddress',$this->ipaddress,true);

		return new CActiveDataProvider($this, array(
			'criteria'=>$criteria,
			'sort'=>array(
				'defaultOrder'=>array('idsession'=>true),
			),
		));
	}
}
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