feat(webstatement): tambahkan fitur ekspor data kartu ATM ke CSV

- Menambahkan `BiayaKartuController` untuk mengelola data kartu ATM.
- Menyediakan endpoint baru `biaya-kartu.index` untuk mengunduh data kartu ATM dalam format CSV.
- Implementasi fungsi untuk:
  - Mengambil data kartu ATM yang memenuhi syarat dari database.
  - Menentukan biaya kartu berdasarkan tipe kartu.
  - Membuat file CSV dengan format khusus dan membersihkan konten dari tanda kutip ganda.
- Memodifikasi logika pembaruan data di `BiayaKartu.php` untuk memperbaiki penempatan pemanggilan fungsi `updateOrCreate`.

Signed-off-by: Daeng Deni Mardaeni <ddeni05@gmail.com>

app/Http/Controllers/BiayaKartuController.php

@@ -0,0 +1,199 @@
+<?php
+
+    namespace Modules\Webstatement\Http\Controllers;
+
+    use App\Http\Controllers\Controller;
+    use Illuminate\Http\Request;
+    use Modules\Webstatement\Models\Atmcard;
+    use RuntimeException;
+
+    class BiayaKartuController extends Controller
+    {
+        private const DEFAULT_FEES = [
+            'CLASSIC' => 3000,
+            'CLAS'    => 3000,
+            'SILVER'  => 5000,
+            'SILV'    => 5000,
+            'GOLD'    => 10000
+        ];
+        private const CSV_FILENAME = 'atmcards.csv';
+
+        /**
+         * Display a listing of the resource.
+         */
+        public function index()
+        {
+            $filename = $this->generateAtmCardCsv();
+            return response()->download($filename)->deleteFileAfterSend(true);
+        }
+
+        /**
+         * Generate CSV file with ATM card data
+         *
+         * @return string Filename of generated CSV
+         */
+        private function generateAtmCardCsv()
+        : string
+        {
+            $cards    = $this->getEligibleAtmCards();
+            $filename = self::CSV_FILENAME;
+
+            $handle = fopen($filename, 'w+');
+            if (!$handle) {
+                throw new RuntimeException("Tidak dapat membuat file CSV: $filename");
+            }
+
+            try {
+                foreach ($cards as $card) {
+                    $fee    = $this->determineCardFee($card);
+                    $csvRow = $this->createCsvRow($card, $fee);
+                    fputcsv($handle, $csvRow, '|');
+                }
+            } finally {
+                fclose($handle);
+            }
+
+            $this->cleanupCsvFile($filename);
+
+            return $filename;
+        }
+
+        /**
+         * Get eligible ATM cards from database
+         *
+         * @return \Illuminate\Database\Eloquent\Collection
+         */
+        private function getEligibleAtmCards()
+        {
+            return Atmcard::where('crsts', 1)
+                          ->whereNotNull('accflag')
+                          ->whereNotNull('branch')
+                          ->whereNotNull('currency')
+                          ->whereIn('ctdesc', array_keys(self::DEFAULT_FEES))
+                          ->get();
+        }
+
+        /**
+         * Determine fee for a card based on its type
+         *
+         * @param Atmcard $card
+         *
+         * @return int
+         */
+        private function determineCardFee(Atmcard $card)
+        : int
+        {
+            if ($card->fee) {
+                return $card->fee;
+            }
+
+            return self::DEFAULT_FEES[$card->ctdesc] ?? 0;
+        }
+
+        /**
+         * Create CSV row data for a card
+         *
+         * @param Atmcard $card
+         * @param int     $fee
+         *
+         * @return array
+         */
+        private function createCsvRow(Atmcard $card, int $fee)
+        : array
+        {
+            $today = date('Ymd');
+
+            return [
+                '',
+                $card->accflag,
+                $card->currency ?? 'IDR',
+                $fee,
+                'PL65129',
+                '',
+                '',
+                $card->branch,
+                $today,
+                $today,
+                '',
+                '',
+                'ADMIN FEE ATM::' . $card->crdno . '::' . $today,
+                '',
+                '',
+                '',
+                '',
+                '',
+                '',
+                'AC'
+            ];
+        }
+
+        /**
+         * Remove double quotes from CSV file
+         *
+         * @param string $filename
+         *
+         * @return void
+         */
+        private function cleanupCsvFile(string $filename)
+        : void
+        {
+            $fileContent = file_get_contents($filename);
+            if ($fileContent === false) {
+                throw new RuntimeException("Tidak dapat membaca file CSV: $filename");
+            }
+
+            $fileContent = str_replace('"', '', $fileContent);
+
+            if (file_put_contents($filename, $fileContent) === false) {
+                throw new RuntimeException("Tidak dapat menulis ke file CSV: $filename");
+            }
+        }
+
+        /**
+         * Show the form for creating a new resource.
+         */
+        public function create()
+        {
+            return view('webstatement::create');
+        }
+
+        /**
+         * Store a newly created resource in storage.
+         */
+        public function store(Request $request)
+        {
+            //
+        }
+
+        /**
+         * Show the specified resource.
+         */
+        public function show($id)
+        {
+            return view('webstatement::show');
+        }
+
+        /**
+         * Show the form for editing the specified resource.
+         */
+        public function edit($id)
+        {
+            return view('webstatement::edit');
+        }
+
+        /**
+         * Update the specified resource in storage.
+         */
+        public function update(Request $request, $id)
+        {
+            //
+        }
+
+        /**
+         * Remove the specified resource from storage.
+         */
+        public function destroy($id)
+        {
+            //
+        }
+    }