Separated laravel app to its own folder (#540)

api/app/Rules/ValidPhoneInputRule.php

@@ -0,0 +1,50 @@
+<?php
+
+namespace App\Rules;
+
+use Closure;
+use Illuminate\Contracts\Validation\ValidationRule;
+
+class ValidPhoneInputRule implements ValidationRule
+{
+    public ?int $reason = 0;
+
+    public function passes($attribute, $value)
+    {
+        if (! is_string($value) || ! $value) {
+            return false;
+        }
+        try {
+            if (ctype_alpha(substr($value, 0, 2))) {  // First 2 will be country code
+                $value = substr($value, 2);
+            }
+            $phoneUtil = \libphonenumber\PhoneNumberUtil::getInstance();
+            $phone = $phoneUtil->parse($value);
+            $this->reason = $phoneUtil->isPossibleNumberWithReason($phone);
+
+            return $this->reason === \libphonenumber\ValidationResult::IS_POSSIBLE;
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+
+    public function validate(string $attribute, mixed $value, Closure $fail): void
+    {
+        if (!$this->passes($attribute, $value)) {
+            $fail($this->message());
+        }
+    }
+
+    public function message()
+    {
+        return match ($this->reason) {
+            \libphonenumber\ValidationResult::IS_POSSIBLE => 'The :attribute is not valid for an unknown reason.',
+            \libphonenumber\ValidationResult::INVALID_COUNTRY_CODE => 'The :attribute does not have a valid country code.',
+            \libphonenumber\ValidationResult::TOO_SHORT => 'The :attribute is too short.',
+            \libphonenumber\ValidationResult::TOO_LONG => 'The :attribute is too long.',
+            \libphonenumber\ValidationResult::IS_POSSIBLE_LOCAL_ONLY => 'The :attribute is not a valid phone number (local number).',
+            \libphonenumber\ValidationResult::INVALID_LENGTH => 'The :attribute does not have a valid length.',
+            default => 'The :attribute is not a valid phone number.',
+        };
+    }
+}