Filament•16mo ago

Validating a fields with multiple required_if conditions.

a laravel validation question. how can I use the required_if condition with 2 fields? I am using the rules() method to define it, but not sure how exactly to do it.

required_if field_1=0 and field_2 = 'x'

required_if field_1=0 and field_2 = 'x'

I tried to look at the docs, I came across the when method on the validation for multiple conditions, but not sure if there is a straight-forward answer to this?

12 Replies

LeandroFerreira•16mo ago

->requiredWithAll('field1,field2')

Abi•16mo ago

Can I add value conditions to these fields as mentioned above?

LeandroFerreira•16mo ago

A custom rule, I think

Abi•16mo ago

ya, I was wondering how I would go about doing it

blessdarah•16mo ago

You may want to do that before you save in your DB I think there is a function call that intercepts the data in the create file in which you can hook to it and do a custom validation.

LeandroFerreira•16mo ago

Something like this:

TextInput::make('field3')->rules([
    function ($get) {
        return function (string $attribute, $value, Closure $fail) use ($get) {

            if ($get('field1') === 'a' && $get('field2') === 'b') {
                $fail("The {$attribute} is invalid.");
            }
        };
    },
])

TextInput::make('field3')->rules([
    function ($get) {
        return function (string $attribute, $value, Closure $fail) use ($get) {

            if ($get('field1') === 'a' && $get('field2') === 'b') {
                $fail("The {$attribute} is invalid.");
            }
        };
    },
])

Or beforeValidate/afterValidate https://filamentphp.com/docs/2.x/admin/resources/creating-records#lifecycle-hooks

Filament

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Abi•16mo ago

ok, that is a custom validation to check if 2 fields are of the value set. I am trying to validate that field3 is required if field is a and field2 is b. Where do I set the required rule for field3 from the above example. I was wondering if something like would work

 ->rules([
   Rule::when(fn($get) => ($get('field1') === 'a' && $get('field2') === 'b'), function ($rule) {
        return $rule->required();
   }),
]),

 ->rules([
   Rule::when(fn($get) => ($get('field1') === 'a' && $get('field2') === 'b'), function ($rule) {
        return $rule->required();
   }),
]),

 ->rules([
   Rule::when(fn($get) => ($get('field1') === 'a' && $get('field2') === 'b'), 'required'),
]),

 ->rules([
   Rule::when(fn($get) => ($get('field1') === 'a' && $get('field2') === 'b'), 'required'),
]),

@awcodes @Dan Harrin sorry to add you into this, but can you help with this when you get a chance. Been struggling for a bit now..

Dan Harrin•16mo ago

required(fn ($get) => …)

Abi•16mo ago

damn, that was simple. I did not know required accepted a callable. Thank you so much. Really appreciate the help

Dan Harrin•16mo ago

(mostly) everything accepts a closure

awcodes•16mo ago

Just now seeing this. Hope you got it sorted.

Gustave•16mo ago

Hi guys, I have the following :

Forms\Components\Checkbox::make('is_recurrent')
    ->reactive(),
Forms\Components\TextInput::make('duration')
     ->required(fn ($get) => $get('is_recurrent') == false)

When I check the is_recurrent box, the red asterix disappear but my browser still ask me to fill the fields do you now why ? thanks

Gaming

Programming

Validating a fields with multiple required_if conditions.