lineas controller

 function addhoras() {
        if (!empty($this->data)) {
            $this->Linea->create();
            if ($this->Linea->save($this->data)) {
                //$this->Session->setFlash(__('The linea has been saved', true));
                $this->redirect(array('action' => 'index'));
            } else {
                $this->Session->setFlash(__('The linea could not be saved. Please, try again.', true));
            }
        }
                $this->Linea->recursive = 2;
        $proyectos = $this->Linea->Tarea->find('all',array(
                                                                'conditions' => array(
                                                                    'Tarea.usuario_id'=>$this->Session->Read('Usuario_id')
                                                                )));
        $hitos = $this->Linea->Hito->find('all');
        $tareas = $this->Linea->Tarea->find('all');
                //$ultimos = $this->Linea->find('all', array('conditions' => array('Linea.fecha >= DATE_SUB(CURDATE(), INTERVAL 5 DAY)')));

                $ultimos = $this->Linea->find('all', array(
                                                    'conditions' => array('OR' => array(
                                                            'Linea.usuario_id'=>$this->Session->read('Usuario_id')
                                                            )),
                                                    'order' => 'Linea.fecha DESC',
                                                    'limit' => '5'
                                                            ));

                $this->set(compact('proyectos', 'tareas','hitos','ultimos'));

        //$this->set('proyectos','tareas');//, 'hitos', 'tareas', 'usuarios'));

        $this->paginate = array(
                    'Linea' => array(
                        'limit'=>'30',
                        'conditions' => array(
                            'Tarea.usuario_id'=>$this->Session->read('Usuario_id')),
                        'order'=>'Linea.fecha',
                        'group'=>array('Linea.proyecto_id','Linea.tarea_id')
                        )
                    );
                 $this->set('lineas',$this->paginate());

    }