Validate system configuration based on two fields using backend model

Question

I have 2 fields, x and y. If both the fields are same then I want to check save the changes, or else I want to give a message "Value mismatched. Unable to save changes".

system.xml

                      <test1 translate="label">
                            <label>test1</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>1</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>1</show_in_store>
                        </test1>
                        <test2 translate="label">
                            <backend_model>test/system_config_backend_test2</backend_model>
                            <label>test2</label>
                            <frontend_type>text</frontend_type>
                            <sort_order>2</sort_order>
                            <show_in_default>1</show_in_default>
                            <show_in_website>1</show_in_website>
                            <show_in_store>1</show_in_store>
                        </test2>

Backend model class

public function save()
{
    $test2= $this->getValue(); //get the value from our config

    //need to get $test1 also. How to get??
    $test1 = ;
    if($test1 != $test2)
    {
        Mage::throwException('Could not saved');  
    }

    return parent::save();
}

How to get the two values together so that we can compare and check? Thanks in advance!

Community · Accepted Answer · 2017-05-23 12:37:12Z

0

I think you should use <frontend_model> in your system.xml so you can add your custom javascript. With this custom javascript you can easily get the value of both field and compare and throw the validation.

Or you can add your custom validation class like this and add your custom class.

edited May 23, 2017 at 12:37

CommunityBot

1

answered Dec 5, 2016 at 13:59

Keyur Shah

18.1k6 gold badges68 silver badges80 bronze badges

Thanks. But in actual case, i want to validate token id and token access fields which involves api call. Therefore I need to handle this in server level.

Subhas Takhellambam
– Subhas Takhellambam

2016-12-07 07:54:23 +00:00
Commented Dec 7, 2016 at 7:54

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