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CakePHP - How to use onError in a model

I have created my own datasource that pulls data from the web api and I am now looking at implementing error handling.

In the data source, I call $ model-> onError (). In the model, I have created an onError method and I can get the error information using $ this-> getDataSource () -> error;

However, I cannot redirect or set the flash message because this can only happen in the controller, so what should I do to report the error to the user?

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Are the errors relevant to fields in your model? If so, use $ this-> invalidate ($ field, $ message) in Model :: onError ()



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I would compile all the errors in the model into a bunch of errors, possibly an array. Then I would set it as a variable in the model.

This way, in my controller, I can do $this->Model->getErrors()

or similar to read and return the value set in the model.



Then, in my controller, beforeFilter()

I would check if there are any errors, and if there are, then push them to flash.$this->Session->setFlash($this->Model->getErrors(),'default',array('class'=>'error-message'));

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