362 lines
14 KiB
PHP
362 lines
14 KiB
PHP
<?php namespace App\Http\Controllers\App;
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use App\Http\Controllers\Controller;
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use App\Models\Inventory;
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use App\Models\InventoryMovement;
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use Illuminate\Http\Request;
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use PhpOffice\PhpSpreadsheet\Spreadsheet;
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use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
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use PhpOffice\PhpSpreadsheet\Style\Border;
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use PhpOffice\PhpSpreadsheet\Style\Fill;
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use PhpOffice\PhpSpreadsheet\Style\Alignment;
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use PhpOffice\PhpSpreadsheet\Style\Color;
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use Carbon\Carbon;
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/**
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* Controlador para generación de Kardex (Excel)
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*/
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class KardexController extends Controller
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{
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/**
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* Generar Kardex en Excel para un producto
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*/
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public function export(Request $request)
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{
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// 1. VALIDACIÓN
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$request->validate([
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'inventory_id' => 'required|exists:inventories,id',
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'warehouse_id' => 'sometimes|nullable|exists:warehouses,id',
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'fecha_inicio' => 'required|date',
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'fecha_fin' => 'required|date|after_or_equal:fecha_inicio',
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'movement_type' => 'sometimes|nullable|in:entry,exit,transfer,sale,return',
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]);
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$fechaInicio = Carbon::parse($request->fecha_inicio)->startOfDay();
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$fechaFin = Carbon::parse($request->fecha_fin)->endOfDay();
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$inventory = Inventory::with(['category', 'price'])->findOrFail($request->inventory_id);
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// 2. CONSULTA DE MOVIMIENTOS
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$query = InventoryMovement::where('inventory_id', $inventory->id)
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->with(['warehouseFrom', 'warehouseTo', 'user'])
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->whereBetween('created_at', [$fechaInicio, $fechaFin])
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->orderBy('created_at', 'asc')
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->orderBy('id', 'asc');
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$warehouseId = $request->warehouse_id;
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if ($warehouseId) {
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$query->where(function ($q) use ($warehouseId) {
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$q->where('warehouse_from_id', $warehouseId)
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->orWhere('warehouse_to_id', $warehouseId);
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});
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}
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if ($request->movement_type) {
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$query->where('movement_type', $request->movement_type);
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}
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$movements = $query->get();
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// 3. CALCULAR SALDO INICIAL (movimientos previos al rango)
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$initialBalance = $this->calculateInitialBalance($inventory->id, $fechaInicio, $warehouseId);
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// 4. CONSTRUIR LÍNEAS DEL KARDEX
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$balance = $initialBalance;
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$kardexLines = [];
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foreach ($movements as $movement) {
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$effect = $this->calculateMovementEffect($movement, $warehouseId);
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$entryQty = $effect > 0 ? $effect : 0;
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$exitQty = $effect < 0 ? abs($effect) : 0;
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$balance += $effect;
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$kardexLines[] = [
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'date' => $movement->created_at->format('d/m/Y H:i'),
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'type' => $this->translateMovementType($movement->movement_type),
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'warehouse_from' => $movement->warehouseFrom?->name ?? '-',
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'warehouse_to' => $movement->warehouseTo?->name ?? '-',
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'entry' => $entryQty,
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'exit' => $exitQty,
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'balance' => $balance,
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'unit_cost' => $movement->unit_cost ?? 0,
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'notes' => $movement->notes ?? '',
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'invoice_reference' => $movement->invoice_reference ?? '',
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'user' => $movement->user?->name ?? '',
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];
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}
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if (empty($kardexLines)) {
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return response()->json(['message' => 'No se encontraron movimientos en el periodo especificado'], 404);
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}
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// 5. GENERAR EXCEL
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$fileName = 'Kardex_' . ($inventory->sku ?? $inventory->id) . '_' . $fechaInicio->format('Ymd') . '_' . $fechaFin->format('Ymd') . '.xlsx';
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$filePath = storage_path('app/temp/' . $fileName);
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if (!file_exists(dirname($filePath))) mkdir(dirname($filePath), 0755, true);
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$spreadsheet = new Spreadsheet();
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$sheet = $spreadsheet->getActiveSheet();
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$sheet->setTitle('Kardex');
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// Fuente global
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$sheet->getParent()->getDefaultStyle()->getFont()->setName('Arial');
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// Estilos
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$styleLabel = [
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'font' => ['bold' => true, 'size' => 10],
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'alignment' => ['vertical' => Alignment::VERTICAL_CENTER],
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];
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$styleBox = [
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'borders' => ['outline' => ['borderStyle' => Border::BORDER_THIN]],
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'alignment' => ['vertical' => Alignment::VERTICAL_CENTER],
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];
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$styleTableHeader = [
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'font' => ['bold' => true, 'size' => 10, 'color' => ['rgb' => 'FFFFFF']],
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'fill' => ['fillType' => Fill::FILL_SOLID, 'startColor' => ['rgb' => '2E75B6']],
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'alignment' => ['horizontal' => Alignment::HORIZONTAL_CENTER, 'vertical' => Alignment::VERTICAL_CENTER, 'wrapText' => true],
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'borders' => ['allBorders' => ['borderStyle' => Border::BORDER_THIN]],
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];
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$lastCol = 'K';
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// --- TÍTULO ---
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$sheet->mergeCells("A2:{$lastCol}2");
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$sheet->setCellValue('A2', 'KARDEX DE PRODUCTO');
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$sheet->getStyle('A2')->applyFromArray([
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'font' => ['bold' => true, 'size' => 16, 'color' => ['rgb' => '2E75B6']],
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'alignment' => ['horizontal' => Alignment::HORIZONTAL_CENTER, 'vertical' => Alignment::VERTICAL_CENTER],
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]);
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$sheet->getRowDimension(2)->setRowHeight(30);
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// --- INFORMACIÓN DEL PRODUCTO ---
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$row = 4;
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$sheet->setCellValue("A{$row}", 'PRODUCTO:');
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$sheet->getStyle("A{$row}")->applyFromArray($styleLabel);
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$sheet->mergeCells("B{$row}:E{$row}");
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$sheet->setCellValue("B{$row}", $inventory->name);
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$sheet->getStyle("B{$row}:E{$row}")->applyFromArray($styleBox);
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$sheet->setCellValue("G{$row}", 'SKU:');
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$sheet->getStyle("G{$row}")->applyFromArray($styleLabel);
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$sheet->mergeCells("H{$row}:{$lastCol}{$row}");
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$sheet->setCellValue("H{$row}", $inventory->sku ?? 'N/A');
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$sheet->getStyle("H{$row}:{$lastCol}{$row}")->applyFromArray($styleBox);
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$row++;
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$sheet->setCellValue("A{$row}", 'CATEGORÍA:');
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$sheet->getStyle("A{$row}")->applyFromArray($styleLabel);
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$sheet->mergeCells("B{$row}:E{$row}");
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$sheet->setCellValue("B{$row}", $inventory->category?->name ?? 'Sin categoría');
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$sheet->getStyle("B{$row}:E{$row}")->applyFromArray($styleBox);
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$sheet->setCellValue("G{$row}", 'COSTO ACTUAL:');
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$sheet->getStyle("G{$row}")->applyFromArray($styleLabel);
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$sheet->mergeCells("H{$row}:{$lastCol}{$row}");
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$sheet->setCellValue("H{$row}", '$' . number_format($inventory->price?->cost ?? 0, 2));
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$sheet->getStyle("H{$row}:{$lastCol}{$row}")->applyFromArray($styleBox);
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// --- PERÍODO ---
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$row++;
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Carbon::setLocale('es');
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if ($fechaInicio->format('m/Y') === $fechaFin->format('m/Y')) {
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$periodoTexto = 'del ' . $fechaInicio->format('d') . ' al ' . $fechaFin->format('d') . ' de ' . $fechaFin->translatedFormat('F \d\e Y');
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} else {
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$periodoTexto = 'del ' . $fechaInicio->format('d/m/Y') . ' al ' . $fechaFin->format('d/m/Y');
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}
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$sheet->setCellValue("A{$row}", 'PERÍODO:');
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$sheet->getStyle("A{$row}")->applyFromArray($styleLabel);
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$sheet->mergeCells("B{$row}:{$lastCol}{$row}");
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$sheet->setCellValue("B{$row}", $periodoTexto);
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$sheet->getStyle("B{$row}:{$lastCol}{$row}")->applyFromArray($styleBox);
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$sheet->getStyle("B{$row}")->getFont()->setSize(11);
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// --- SALDO INICIAL ---
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$row++;
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$sheet->setCellValue("A{$row}", 'SALDO INICIAL:');
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$sheet->getStyle("A{$row}")->applyFromArray($styleLabel);
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$sheet->mergeCells("B{$row}:C{$row}");
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$sheet->setCellValue("B{$row}", $initialBalance);
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$sheet->getStyle("B{$row}:C{$row}")->applyFromArray($styleBox);
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$sheet->getStyle("B{$row}")->getFont()->setBold(true);
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// --- ENCABEZADOS DE TABLA ---
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$row += 2;
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$headerRow = $row;
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$headers = [
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'A' => 'FECHA',
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'B' => 'TIPO',
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'C' => "ALMACÉN\nORIGEN",
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'D' => "ALMACÉN\nDESTINO",
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'E' => 'ENTRADA',
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'F' => 'SALIDA',
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'G' => 'SALDO',
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'H' => "COSTO\nUNITARIO",
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'I' => 'REFERENCIA',
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'J' => 'NOTAS',
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'K' => 'USUARIO',
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];
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foreach ($headers as $col => $text) {
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$sheet->setCellValue("{$col}{$row}", $text);
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}
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$sheet->getStyle("A{$row}:{$lastCol}{$row}")->applyFromArray($styleTableHeader);
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$sheet->getRowDimension($row)->setRowHeight(30);
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// --- DATOS ---
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$row++;
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$totalEntries = 0;
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$totalExits = 0;
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foreach ($kardexLines as $line) {
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$sheet->setCellValue("A{$row}", $line['date']);
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$sheet->setCellValue("B{$row}", $line['type']);
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$sheet->setCellValue("C{$row}", $line['warehouse_from']);
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$sheet->setCellValue("D{$row}", $line['warehouse_to']);
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$sheet->setCellValue("E{$row}", $line['entry'] ?: '');
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$sheet->setCellValue("F{$row}", $line['exit'] ?: '');
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$sheet->setCellValue("G{$row}", $line['balance']);
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$sheet->setCellValue("H{$row}", $line['unit_cost'] ? '$' . number_format($line['unit_cost'], 2) : '');
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$sheet->setCellValue("I{$row}", $line['invoice_reference']);
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$sheet->setCellValue("J{$row}", $line['notes']);
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$sheet->setCellValue("K{$row}", $line['user']);
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$totalEntries += $line['entry'];
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$totalExits += $line['exit'];
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// Estilo de fila
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$sheet->getStyle("A{$row}:{$lastCol}{$row}")->applyFromArray([
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'borders' => ['allBorders' => ['borderStyle' => Border::BORDER_THIN]],
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'alignment' => ['vertical' => Alignment::VERTICAL_CENTER],
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'font' => ['size' => 10],
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]);
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// Color alterno
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if (($row - $headerRow) % 2 === 0) {
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$sheet->getStyle("A{$row}:{$lastCol}{$row}")->applyFromArray([
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'fill' => ['fillType' => Fill::FILL_SOLID, 'startColor' => ['rgb' => 'D9E2F3']],
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]);
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}
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// Resaltar entradas en verde y salidas en rojo
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if ($line['entry'] > 0) {
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$sheet->getStyle("E{$row}")->getFont()->setColor(new Color('006100'));
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$sheet->getStyle("E{$row}")->getFont()->setBold(true);
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}
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if ($line['exit'] > 0) {
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$sheet->getStyle("F{$row}")->getFont()->setColor(new Color('9C0006'));
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$sheet->getStyle("F{$row}")->getFont()->setBold(true);
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}
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$row++;
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}
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// --- FILA DE TOTALES ---
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$sheet->mergeCells("A{$row}:D{$row}");
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$sheet->setCellValue("A{$row}", 'TOTALES');
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$sheet->setCellValue("E{$row}", $totalEntries);
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$sheet->setCellValue("F{$row}", $totalExits);
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$sheet->setCellValue("G{$row}", $balance);
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$sheet->getStyle("A{$row}:{$lastCol}{$row}")->applyFromArray([
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'font' => ['bold' => true, 'size' => 10],
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'borders' => ['allBorders' => ['borderStyle' => Border::BORDER_THIN]],
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'fill' => ['fillType' => Fill::FILL_SOLID, 'startColor' => ['rgb' => '2E75B6']],
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'alignment' => ['vertical' => Alignment::VERTICAL_CENTER],
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]);
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$sheet->getStyle("A{$row}:{$lastCol}{$row}")->getFont()->setColor(new Color('FFFFFF'));
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// --- ANCHOS DE COLUMNA ---
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$sheet->getColumnDimension('A')->setWidth(18);
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$sheet->getColumnDimension('B')->setWidth(14);
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$sheet->getColumnDimension('C')->setWidth(18);
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$sheet->getColumnDimension('D')->setWidth(18);
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$sheet->getColumnDimension('E')->setWidth(12);
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$sheet->getColumnDimension('F')->setWidth(12);
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$sheet->getColumnDimension('G')->setWidth(12);
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$sheet->getColumnDimension('H')->setWidth(14);
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$sheet->getColumnDimension('I')->setWidth(18);
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$sheet->getColumnDimension('J')->setWidth(25);
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$sheet->getColumnDimension('K')->setWidth(16);
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// 6. GUARDAR Y DESCARGAR
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$writer = new Xlsx($spreadsheet);
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$writer->save($filePath);
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return response()->download($filePath, $fileName)->deleteFileAfterSend(true);
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}
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/**
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* Calcular saldo inicial (movimientos previos al rango de fechas)
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*/
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private function calculateInitialBalance(int $inventoryId, Carbon $beforeDate, ?int $warehouseId): int
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{
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$query = InventoryMovement::where('inventory_id', $inventoryId)
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->where('created_at', '<', $beforeDate)
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->orderBy('created_at', 'asc')
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->orderBy('id', 'asc');
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if ($warehouseId) {
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$query->where(function ($q) use ($warehouseId) {
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$q->where('warehouse_from_id', $warehouseId)
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->orWhere('warehouse_to_id', $warehouseId);
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});
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}
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$balance = 0;
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foreach ($query->get() as $movement) {
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$balance += $this->calculateMovementEffect($movement, $warehouseId);
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}
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return $balance;
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}
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/**
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* Calcular el efecto de un movimiento en el stock
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*/
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private function calculateMovementEffect(InventoryMovement $movement, ?int $warehouseId): int
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{
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// Sin filtro de almacén: stock global
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if (!$warehouseId) {
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return match ($movement->movement_type) {
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'entry', 'return' => $movement->quantity,
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'exit', 'sale' => -$movement->quantity,
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'transfer' => 0,
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default => 0,
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};
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}
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// Con filtro de almacén: depende de la dirección
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if ($movement->warehouse_to_id == $warehouseId && $movement->warehouse_from_id != $warehouseId) {
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return $movement->quantity;
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}
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if ($movement->warehouse_from_id == $warehouseId && $movement->warehouse_to_id != $warehouseId) {
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return -$movement->quantity;
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}
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return 0;
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}
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/**
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* Traducir tipo de movimiento
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*/
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private function translateMovementType(string $type): string
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{
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return match ($type) {
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'entry' => 'Entrada',
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'exit' => 'Salida',
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'transfer' => 'Traspaso',
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'sale' => 'Venta',
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'return' => 'Devolución',
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default => $type,
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};
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}
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}
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