lpj/app/Http/Controllers/NilaiPlafondController.php

<?php

    namespace Modules\Lpj\Http\Controllers;

    use App\Http\Controllers\Controller;
    use Exception;
    use Illuminate\Http\Request;
    use Illuminate\Support\Facades\DB;
    use Illuminate\Support\Facades\Log;
    use Maatwebsite\Excel\Facades\Excel;
    use Modules\Lpj\Exports\NilaiPlafondExport;
    use Modules\Lpj\Http\Requests\NilaiPlafondRequest;
    use Modules\Lpj\Models\NilaiPlafond;

    class NilaiPlafondController extends Controller
    {
        public $user;

        /**
         * Tampilkan halaman daftar Nilai Plafond.
         *
         * @return \Illuminate\Contracts\View\View
         */
        public function index()
        {
            Log::info('[NilaiPlafondController@index] Return view index nilai_plafond');
            return view('lpj::nilai_plafond.index');
        }

        /**
         * Simpan data Nilai Plafond baru ke database.
         * Menggunakan transaksi untuk menjamin konsistensi data.
         *
         * @param NilaiPlafondRequest $request
         * @return \Illuminate\Http\RedirectResponse
         */
        public function store(NilaiPlafondRequest $request)
        {
            $validate = $request->validated();

            if ($validate) {
                DB::beginTransaction();
                try {
                    // Save to database
                    $created = NilaiPlafond::create($validate);
                    DB::commit();
                    Log::info('[NilaiPlafondController@store] NilaiPlafond created', ['id' => $created->id, 'payload' => $validate]);
                    return redirect()
                        ->route('basicdata.nilai-plafond.index')
                        ->with('success', 'Nilai Plafond berhasil dibuat');
                } catch (Exception $e) {
                    DB::rollBack();
                    Log::error('[NilaiPlafondController@store] Failed to create nilai plafond', ['error' => $e->getMessage(), 'payload' => $validate]);
                    return redirect()
                        ->route('basicdata.nilai-plafond.create')
                        ->with('error', 'Gagal membuat Nilai Plafond');
                }
            }

            Log::warning('[NilaiPlafondController@store] Validation failed');
            return redirect()
                ->route('basicdata.nilai-plafond.create')
                ->with('error', 'Validasi gagal');
        }

        /**
         * Tampilkan form pembuatan Nilai Plafond.
         *
         * @return \Illuminate\Contracts\View\View
         */
        public function create()
        {
            Log::info('[NilaiPlafondController@create] Return view create nilai_plafond');
            return view('lpj::nilai_plafond.create');
        }

        /**
         * Tampilkan form edit Nilai Plafond berdasarkan ID.
         *
         * @param int $id
         * @return \Illuminate\Contracts\View\View
         */
        public function edit($id)
        {
            $nilaiPlafond = NilaiPlafond::find($id);
            Log::info('[NilaiPlafondController@edit] Return view edit nilai_plafond', ['id' => $id]);
            return view('lpj::nilai_plafond.create', compact('nilaiPlafond'));
        }

        /**
         * Update data Nilai Plafond pada database.
         * Menggunakan transaksi untuk menjamin konsistensi data.
         *
         * @param NilaiPlafondRequest $request
         * @param int $id
         * @return \Illuminate\Http\RedirectResponse
         */
        public function update(NilaiPlafondRequest $request, $id)
        {
            $validate = $request->validated();

            if ($validate) {
                DB::beginTransaction();
                try {
                    // Update in database
                    $nilaiPlafond = NilaiPlafond::find($id);
                    $nilaiPlafond->update($validate);
                    DB::commit();
                    Log::info('[NilaiPlafondController@update] NilaiPlafond updated', ['id' => $id, 'payload' => $validate]);
                    return redirect()
                        ->route('basicdata.nilai-plafond.index')
                        ->with('success', 'Nilai Plafond berhasil diperbarui');
                } catch (Exception $e) {
                    DB::rollBack();
                    Log::error('[NilaiPlafondController@update] Failed to update nilai plafond', ['id' => $id, 'error' => $e->getMessage(), 'payload' => $validate]);
                    return redirect()
                        ->route('basicdata.nilai-plafond.edit', $id)
                        ->with('error', 'Gagal memperbarui Nilai Plafond');
                }
            }

            Log::warning('[NilaiPlafondController@update] Validation failed', ['id' => $id]);
            return redirect()
                ->route('basicdata.nilai-plafond.edit', $id)
                ->with('error', 'Validasi gagal');
        }

        /**
         * Hapus data Nilai Plafond dari database.
         * Menggunakan transaksi untuk menjamin konsistensi data.
         *
         * @param int $id
         * @return void
         */
        public function destroy($id)
        {
            DB::beginTransaction();
            try {
                // Delete from database
                $nilaiPlafond = NilaiPlafond::find($id);
                $nilaiPlafond->delete();
                DB::commit();
                Log::info('[NilaiPlafondController@destroy] NilaiPlafond deleted', ['id' => $id]);

                echo json_encode(['success' => true, 'message' => 'Nilai Plafond berhasil dihapus']);
            } catch (Exception $e) {
                DB::rollBack();
                Log::error('[NilaiPlafondController@destroy] Failed to delete nilai plafond', ['id' => $id, 'error' => $e->getMessage()]);
                echo json_encode(['success' => false, 'message' => 'Gagal menghapus Nilai Plafond']);
            }
        }

        /**
         * Endpoint data untuk DataTables custom.
         * Menyediakan pencarian, sorting, dan pagination.
         *
         * @param Request $request
         * @return \Illuminate\Http\JsonResponse
         */
        public function dataForDatatables(Request $request)
        {
            if (is_null($this->user) || !$this->user->can('nilai_plafond.view')) {
                //abort(403, 'Sorry! You are not allowed to view users.');
            }

            // Retrieve data from the database
            $query = NilaiPlafond::query();

            // Apply search filter if provided
            if ($request->has('search') && !empty($request->get('search'))) {
                $search = $request->get('search');
                $query->where(function ($q) use ($search) {
                    $q->where('code', 'LIKE', "%$search%");
                    $q->orWhere('name', 'LIKE', "%$search%");
                    // CAST ke TEXT agar LIKE bekerja di PostgreSQL
                    $q->orWhereRaw('CAST(biaya AS TEXT) LIKE ?', ["%$search%"]);
                });
            }

            // Apply sorting if provided
            if ($request->has('sortOrder') && !empty($request->get('sortOrder'))) {
                $order  = $request->get('sortOrder');
                $column = $request->get('sortField');
                $query->orderBy($column, $order);
            }

            // Get the total count of records
            $totalRecords = $query->count();

            // Apply pagination if provided
            if ($request->has('page') && $request->has('size')) {
                $page   = $request->get('page');
                $size   = $request->get('size');
                $offset = ($page - 1) * $size; // Calculate the offset

                $query->skip($offset)->take($size);
            }

            // Get the filtered count of records
            $filteredRecords = $query->count();

            // Get the data for the current page
            $data = $query->get();

            // Calculate the page count
            $pageCount = ceil($totalRecords / $request->get('size'));

            // Calculate the current page number
            $currentPage = 0 + 1;

            Log::info('[NilaiPlafondController@dataForDatatables] Return datatables payload', [
                'recordsTotal'    => $totalRecords,
                'recordsFiltered' => $filteredRecords,
                'pageCount'       => $pageCount,
                'page'            => $currentPage,
            ]);

            // Return the response data as a JSON object
            return response()->json([
                'draw'            => $request->get('draw'),
                'recordsTotal'    => $totalRecords,
                'recordsFiltered' => $filteredRecords,
                'pageCount'       => $pageCount,
                'page'            => $currentPage,
                'totalCount'      => $totalRecords,
                'data'            => $data,
            ]);
        }

        /**
         * Export data Nilai Plafond ke file Excel.
         *
         * @return \Symfony\Component\HttpFoundation\BinaryFileResponse
         */
        public function export()
        {
            Log::info('[NilaiPlafondController@export] Export nilai_plafond to Excel');
            return Excel::download(new NilaiPlafondExport, 'nilai_plafond.xlsx');
        }
    }