Custom Validation (Simple Module)

rooneyl · August 2011

When developing traditional CI projects you can add custom validation callbacks, where the rule is in the appropriate controller file.
How do you implement this when writing a simple module, does the function go in the model file?
From what I have read, you need to add into the 'on_before_validate' method, calling it like;


function on_before_validate($values)
{
        $values['slug'] = url_title($values['name'], 'dash', TRUE);
        $posted = $_POST;
        $this->get_validation()->add_rule('icon', 'my_custom_validation', 'Where is your icon?', $posted['icon']);

        return $values;
}

rooneyl · August 2011

I have created a custom validation file in fuel/application/helpers, how do I reference it.
Also I have a field that is of type file which has been added to my 'required' array, but the required class is not being applied to the label.

admin · August 2011

You will need to load your custom validation helper like any other helper. The add_rule method looks for a function with that name in the second parameter (or an object => method if the value is an associative array).

With regards to making it have the asterisk for a required field, you can specify it in your form_fields method instead like so:
$fields['icon']['required'] = TRUE
Is the field you want required a field in the table?

rooneyl · August 2011

Thanks, that works a treat.

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Custom Validation (Simple Module)

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