Smutty
MVC Framework
View Code: Smutty_Model_Transaction
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<?php
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/**
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* this class allows models to be grouped together into a
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* "transaction", which means you can deal with them as
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* a single unit rather than saving/validating them
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* all individually.
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*
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*/
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class Smutty_Model_Transaction extends Smutty_Object {
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/** the transactions models */
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var $models;
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/** any errors found */
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var $errors;
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/**
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* constructor
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*
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* @return nothing
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*
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*/
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function Smutty_Model_Transaction() {
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$this->models = array();
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$this->errors = array();
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}
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/**
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* adds a model to the transaction
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*
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* @param Smutty_Model $model model to add
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* @return nothing
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*
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*/
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$this->models[] =& $model;
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}
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/**
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* checks if all the models in the transaction are valid
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*
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* @return boolean transaction validity
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*
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*/
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// check models for errors
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$isValid = true;
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$this->errors = array();
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$size = sizeof( $this->models );
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// NEED to use "for" not "foreach" cause of refs
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for ( $i=0; $i<$size; $i++ )
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if ( !$this->models[$i]->isValid() ) {
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$isValid = false;
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$this->errors = array_merge(
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$this->errors,
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$this->models[$i]->getErrors()
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);
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}
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return $isValid;
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}
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/**
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* checks all the models in the transaction for validity
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* before saving them.
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*
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* @return boolean if transaction saved
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*
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*/
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if ( !$this->isValid() )
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return false;
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// NEED to use "for" not "foreach" cause of refs
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$size = sizeof( $this->models );
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for ( $i=0; $i<$size; $i++ )
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$this->models[$i]->save();
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return true;
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}
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/**
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* returns any errors found when trying to save the transaction
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*
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* @return array array of error strings
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*
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*/
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return $this->errors;
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}
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}
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?>
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