Re: [Rails] Ignore/don't persist a model if certain attribute is blank or some value

On 4 October 2011 06:30, Victor Stan <victor.stan@gmail.com> wrote:
> Hi, I can't find any information about how to run a before filter in a model
> or a condition check, that will indicate the model instance should be
> ignored/not persisted if the check return true or some other value.
> Basically, I want a mechanism that will ignore the call to
> persist/save/create a model instance if a certain attribute is blank, that I
> can call from within the model itself. Is this possible?
> It should not be something that I do on the controller side btw.
> Any pointers appreciated!

This is exactly what model validations do, for example
validates_presence_of will cause a save/update to fail if the
attribute is not set.

Colin

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