init commit

api/app/Rules/Bpa/CaraterAtendimentoExists.php

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+<?php
+
+namespace App\Rules\Bpa;
+
+use Illuminate\Contracts\Validation\Rule;
+use Illuminate\Support\Facades\DB;
+
+class CaraterAtendimentoExists implements Rule
+{
+    public function passes($attribute, $value)
+    {
+        return self::isValid($value);
+    }
+
+    public static function isValid($value)
+    {
+        return DB::table('bpa_carater_atendimento')->where('id', $value)->exists();
+    }
+
+    public function message()
+    {
+        return 'Caráter de atendimento inválido.';
+    }
+}