Form Translation (#616)

* Form Translation

* Support for other languages

* Support locale for datepicker

* Apply translation on select input

* Apply translation on select input

* Improve translation

---------

Co-authored-by: Julien Nahum <julien@nahum.net>

api/app/Http/Requests/AnswerFormRequest.php

@@ -252,6 +252,12 @@ class AnswerFormRequest extends FormRequest
 
     protected function prepareForValidation()
     {
+        // Set locale based on form language
+        if ($this->form?->language && in_array($this->form->language, Form::LANGUAGES)) {
+            app()->setLocale($this->form->language);
+        }
+
+
         $receivedData = $this->toArray();
         $mergeData = [];
         $countryCodeMapper = json_decode(file_get_contents(resource_path('data/country_code_mapper.json')), true);

api/app/Http/Requests/UserFormRequest.php

@@ -29,6 +29,7 @@ abstract class UserFormRequest extends \Illuminate\Foundation\Http\FormRequest
             'visibility' => ['required', Rule::in(Form::VISIBILITY)],
 
             // Customization
+            'language' => ['required', Rule::in(Form::LANGUAGES)],
             'font_family' => 'string|nullable',
             'theme' => ['required', Rule::in(Form::THEMES)],
             'width' => ['required', Rule::in(Form::WIDTHS)],