Fix phone input (#201)

* Fix phone input

* remove extra

* fix factory

* Fix phone input

* Validate phone number rule

* Prefill support for country only

* Fix phone input error

* fix tests

---------

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

app/Http/Requests/AnswerFormRequest.php

@@ -190,7 +190,7 @@ class AnswerFormRequest extends FormRequest
                 }
                 return $this->getRulesForDate($property);
             case 'phone_number':
-                return [new ValidPhoneInputRule];
+                return ['string', 'min:6', new ValidPhoneInputRule];
             default:
                 return [];
         }

app/Rules/ValidPhoneInputRule.php

@@ -9,21 +9,16 @@ class ValidPhoneInputRule implements Rule
 {
     public function passes($attribute, $value)
     {
-        if (!is_string($value)) {
+        if (!is_string($value) || !Str::startsWith($value, '+')) {
             return false;
         }
-        if (!Str::startsWith($value, '+')) {
-            return false;
-        }
-        $parts = explode(' ', $value);
-        if (count($parts) < 2) {
-            return false;
-        }
-        return strlen($parts[1]) >= 5;
+        
+        $phoneUtil = \libphonenumber\PhoneNumberUtil::getInstance();
+        return $phoneUtil->isValidNumber($phoneUtil->parse($value));
     }
 
     public function message()
     {
-        return 'The :attribute must be a string that starts with a "+" character and must be at least 5 digits long.';
+        return 'The :attribute is invalid.';
     }
 }