init commit

api/app/Rules/AtencaoBasica/Exportacao/EstrategiaIsValid.php

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+<?php
+
+namespace App\Rules\AtencaoBasica\Exportacao;
+
+use App\Enums\Imunizacao\Estrategia;
+use Illuminate\Contracts\Validation\Rule;
+
+class EstrategiaIsValid implements Rule
+{
+    public function passes($attribute, $value)
+    {
+        return self::isValid($value);
+    }
+
+    public static function isValid($value)
+    {
+        return $value && in_array($value, array_column(Estrategia::getConstants(), null));
+    }
+
+    public function message()
+    {
+        return 'Estratégia inválida.';
+    }
+}