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api/app/Rules/Sigtap/CompetenciaIsValid.php

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+<?php
+
+namespace App\Rules\Sigtap;
+
+use Illuminate\Contracts\Validation\Rule;
+use Illuminate\Support\Facades\DB;
+
+class CompetenciaIsValid implements Rule
+{
+    public function passes($attribute, $value)
+    {
+        return self::isValid($value);
+    }
+
+    public static function isValid($value, $competenciaExportacaoId = null)
+    {
+        $competencias = DB::table('sigtap.competencia')
+            ->select('id')
+            ->when(is_numeric($competenciaExportacaoId), function ($query) use ($competenciaExportacaoId) {
+                $query->where('sigtap.competencia.id', '<=', $competenciaExportacaoId);
+            })
+            ->orderByDesc('valor')
+            ->limit(4)
+            ->pluck('id');
+
+        return $competencias->contains($value);
+    }
+
+    public function message()
+    {
+        return 'Competência inválida.';
+    }
+}