dreamjob/app/Model/DreamjobCvEntry.php

<?php
App::uses('AppModel', 'Model');
/**
 * MicDjCvEntry Model
 *
 * @property Category $Category
 */
class DreamjobCvEntry extends AppModel {

/**
 * Use database config
 *
 * @var string
 */
	public $useDbConfig = 'dreamjobMain';

/**
 * Use table
 *
 * @var mixed False or table name
 */
	public $useTable = 'mic_dj_cv_entry';

/**
 * Display field
 *
 * @var string
 */
	public $displayField = 'title';
	public $order = array('DreamjobListCvCategory.position','DreamjobCvEntry.enddate desc','DreamjobCvEntry.id');
	
	public function saveAndDelete($data,$old){
		$dataSource = $this->getDataSource();
		$dataSource->begin();
		
		if(count($data)>0)
			$result = $this->saveMany($data);
		else $result = true;
		
		if($result){
			$array1 = array();
			$array2 = array();
			foreach($data as $a)
				if(isset($a['id']))
					$array1[]=$a['id'];
			foreach($old as $a)
				if(isset($a['id']))
					$array2[]=$a['id'];
			$diff=array_diff($array2, $array1);
			if(count($diff)>0)
				$result = $this->delete($diff);
		}
		
		if ($result) {
			$dataSource->commit();
			return true;
		} else {
			$dataSource->rollback();
		}
		return false;
	}

/**
 * Validation rules
 *
 * @var array
 */
	public $validate = array(
		'category_id' => array(
			'numeric' => array(
				'rule' => array('numeric'),
				//'message' => 'Your custom message here',
				//'allowEmpty' => false,
				//'required' => false,
				//'last' => false, // Stop validation after this rule
				//'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
		),
		'startdate' => array(
			'date' => array(
				'rule' => array('date'),
				//'message' => 'Your custom message here',
				//'allowEmpty' => false,
				//'required' => false,
				//'last' => false, // Stop validation after this rule
				//'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
			'compare' => array(
				'rule'=>'compareDates'
			)
		),
		'enddate' => array(
			'date' => array(
				'rule' => array('date'),
				//'message' => 'Your custom message here',
				//'allowEmpty' => false,
				//'required' => false,
				//'last' => false, // Stop validation after this rule
				//'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
		),
		'title' => array(
			'notEmpty' => array(
				'rule' => array('notEmpty'),
				//'message' => 'Your custom message here',
				//'allowEmpty' => false,
				//'required' => false,
				//'last' => false, // Stop validation after this rule
				//'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
		),
		'place' => array(
			'notEmpty' => array(
				'rule' => array('notEmpty'),
				//'message' => 'Your custom message here',
				//'allowEmpty' => false,
				//'required' => false,
				//'last' => false, // Stop validation after this rule
				//'on' => 'create', // Limit validation to 'create' or 'update' operations
			),
		),
	);

	//The Associations below have been created with all possible keys, those that are not needed can be removed
	public function compareDates()
	{
		return ($this->data[$this->alias]['startdate'] < $this->data[$this->alias]['enddate']) ? true : false;
	}
/**
 * belongsTo associations
 *
 * @var array
 */
	public $belongsTo = array(
		'DreamjobListCvCategory' => array(
			'className' => 'DreamjobListCvCategory',
			'foreignKey' => 'category_id',
			'conditions' => '',
			'fields' => '',
			'order' => ''
		)
	);
}