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14098 anikendra 1 
<?php
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class Geo extends AppModel {
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/*
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	var $mongoSchema = array(
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			'title' => array('type'=>'string'),
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			'body'=>array('type'=>'string'),
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			'loc'=>array(
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				'lat' => array('type'=>'float'),
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				'long' => array('type'=>'float'),
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				),
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			'created'=>array('type'=>'datetime'),
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			'modified'=>array('type'=>'datetime'),
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			);
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*/
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	function beforeSave() {
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		if(!empty($this->data[$this->alias]['loc'])) {
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			//convert location info from string to float
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			$this->data[$this->alias]['loc']['lat'] = floatval($this->data[$this->alias]['loc']['lat']);
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			$this->data[$this->alias]['loc']['long'] = floatval($this->data[$this->alias]['loc']['long']);
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		}
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		return true;
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	}
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	function afterSave($created) {
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		//create Gespatial Index
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		$mongo = $this->getDataSource();
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		$mongo->ensureIndex($this, array('loc' => "2d"));
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		return true;
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	}
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}