hasOne(BarangProduk::class); } public function pendukung() { return $this->hasOne(BarangPendukung::class); } public function transaksis() { return $this->hasMany(Transaksi::class); } public function kardus() { return $this->hasMany(BarangPendukung::class)->whereHas('barang', function ($query) { $query->where('nama_barang', 'like', '%kardus%'); }); } public static function uangMakanHarian() { return self::where('nama_barang', 'like', '%makan%')->first(); } }