Files
Kent-logistics-Laravel/app/Http/Controllers/Admin/AdminInvoiceController.php
2026-02-27 10:51:26 +05:30

417 lines
15 KiB
PHP

<?php
namespace App\Http\Controllers\Admin;
use App\Http\Controllers\Controller;
use App\Models\Invoice;
use App\Models\InvoiceItem;
use App\Models\InvoiceInstallment;
use App\Models\InvoiceChargeGroup;
use App\Models\InvoiceChargeGroupItem;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Storage;
use Mpdf\Mpdf;
class AdminInvoiceController extends Controller
{
// -------------------------------------------------------------
// INVOICE LIST PAGE
// -------------------------------------------------------------
public function index(Request $request)
{
$query = Invoice::with(['items', 'customer', 'container']);
// Search (जर पुढे form मधून पाठवलंस तर)
if ($request->filled('search')) {
$search = $request->search;
$query->where(function ($q) use ($search) {
$q->where('invoice_number', 'like', "%{$search}%")
->orWhere('customer_name', 'like', "%{$search}%");
});
}
// Status filter
if ($request->filled('status') && $request->status !== 'all') {
$query->where('status', $request->status);
}
// Date range filter (invoice_date वर)
if ($request->filled('start_date')) {
$query->whereDate('invoice_date', '>=', $request->start_date);
}
if ($request->filled('end_date')) {
$query->whereDate('invoice_date', '<=', $request->end_date);
}
// Latest first
$invoices = $query->latest()->get();
return view('admin.invoice', compact('invoices'));
}
// -------------------------------------------------------------
// POPUP VIEW (AJAX)
// -------------------------------------------------------------
public function popup($id)
{
$invoice = Invoice::with([
'items',
'customer',
'container',
'chargeGroups.items.item',
])->findOrFail($id);
$shipment = null;
return view('admin.popup_invoice', compact('invoice', 'shipment'));
}
// -------------------------------------------------------------
// EDIT INVOICE PAGE
// -------------------------------------------------------------
public function edit($id)
{
$invoice = Invoice::with([
'items',
'customer',
'container',
'chargeGroups.items',
])->findOrFail($id);
$shipment = null;
$groupedItemIds = $invoice->chargeGroups
->flatMap(function ($group) {
return $group->items->pluck('invoice_item_id');
})
->unique()
->values()
->toArray();
return view('admin.invoice_edit', compact('invoice', 'shipment', 'groupedItemIds'));
}
// -------------------------------------------------------------
// UPDATE INVOICE (HEADER LEVEL)
// -------------------------------------------------------------
public function update(Request $request, $id)
{
Log::info('🟡 Invoice Update Request Received', [
'invoice_id' => $id,
'request' => $request->all(),
]);
$invoice = Invoice::findOrFail($id);
$data = $request->validate([
'invoice_date' => 'required|date',
'due_date' => 'required|date|after_or_equal:invoice_date',
'final_amount' => 'required|numeric|min:0',
'tax_type' => 'required|in:gst,igst',
'tax_percent' => 'required|numeric|min:0|max:28',
'status' => 'required|in:pending,paid,overdue',
'notes' => 'nullable|string',
]);
Log::info('✅ Validated Invoice Update Data', $data);
$finalAmount = (float) $data['final_amount'];
$taxPercent = (float) $data['tax_percent'];
if ($data['tax_type'] === 'gst') {
Log::info('🟢 GST Selected', compact('taxPercent'));
$data['cgst_percent'] = $taxPercent / 2;
$data['sgst_percent'] = $taxPercent / 2;
$data['igst_percent'] = 0;
} else {
Log::info('🔵 IGST Selected', compact('taxPercent'));
$data['cgst_percent'] = 0;
$data['sgst_percent'] = 0;
$data['igst_percent'] = $taxPercent;
}
$gstAmount = ($finalAmount * $taxPercent) / 100;
$data['gst_amount'] = $gstAmount;
$data['final_amount_with_gst'] = $finalAmount + $gstAmount;
$data['gst_percent'] = $taxPercent;
Log::info('📌 Final Calculated Invoice Values', [
'invoice_id' => $invoice->id,
'final_amount' => $finalAmount,
'gst_amount' => $data['gst_amount'],
'final_amount_with_gst' => $data['final_amount_with_gst'],
'tax_type' => $data['tax_type'],
'cgst_percent' => $data['cgst_percent'],
'sgst_percent' => $data['sgst_percent'],
'igst_percent' => $data['igst_percent'],
]);
$invoice->update($data);
Log::info('✅ Invoice Updated Successfully', [
'invoice_id' => $invoice->id,
]);
$invoice->refresh();
Log::info('🔍 Invoice AFTER UPDATE (DB values)', [
'invoice_id' => $invoice->id,
'final_amount' => $invoice->final_amount,
'gst_percent' => $invoice->gst_percent,
'gst_amount' => $invoice->gst_amount,
'final_amount_with_gst' => $invoice->final_amount_with_gst,
'tax_type' => $invoice->tax_type,
'cgst_percent' => $invoice->cgst_percent,
'sgst_percent' => $invoice->sgst_percent,
'igst_percent' => $invoice->igst_percent,
]);
$this->generateInvoicePDF($invoice);
return redirect()
->route('admin.invoices.index')
->with('success', 'Invoice updated & PDF generated successfully.');
}
// -------------------------------------------------------------
// 🔹 UPDATE INVOICE ITEMS (price + ttl_amount)
// -------------------------------------------------------------
public function updateItems(Request $request, Invoice $invoice)
{
Log::info('🟡 Invoice Items Update Request', [
'invoice_id' => $invoice->id,
'payload' => $request->all(),
]);
$data = $request->validate([
'items' => ['required', 'array'],
'items.*.price' => ['required', 'numeric', 'min:0'],
'items.*.ttl_amount' => ['required', 'numeric', 'min:0'],
]);
$itemsInput = $data['items'];
foreach ($itemsInput as $itemId => $itemData) {
$item = InvoiceItem::where('id', $itemId)
->where('invoice_id', $invoice->id)
->first();
if (!$item) {
Log::warning('Invoice item not found or mismatched invoice', [
'invoice_id' => $invoice->id,
'item_id' => $itemId,
]);
continue;
}
$item->price = $itemData['price'];
$item->ttl_amount = $itemData['ttl_amount'];
$item->save();
}
$newBaseAmount = InvoiceItem::where('invoice_id', $invoice->id)
->sum('ttl_amount');
$taxType = $invoice->tax_type;
$cgstPercent = (float) ($invoice->cgst_percent ?? 0);
$sgstPercent = (float) ($invoice->sgst_percent ?? 0);
$igstPercent = (float) ($invoice->igst_percent ?? 0);
$gstPercent = 0;
if ($taxType === 'gst') {
$gstPercent = $cgstPercent + $sgstPercent;
} elseif ($taxType === 'igst') {
$gstPercent = $igstPercent;
}
$gstAmount = $newBaseAmount * $gstPercent / 100;
$finalWithGst = $newBaseAmount + $gstAmount;
$invoice->final_amount = $newBaseAmount;
$invoice->gst_amount = $gstAmount;
$invoice->final_amount_with_gst = $finalWithGst;
$invoice->gst_percent = $gstPercent;
$invoice->save();
Log::info('✅ Invoice items updated & totals recalculated', [
'invoice_id' => $invoice->id,
'final_amount' => $invoice->final_amount,
'gst_amount' => $invoice->gst_amount,
'final_amount_with_gst' => $invoice->final_amount_with_gst,
'tax_type' => $invoice->tax_type,
'cgst_percent' => $invoice->cgst_percent,
'sgst_percent' => $invoice->sgst_percent,
'igst_percent' => $invoice->igst_percent,
]);
return back()->with('success', 'Invoice items updated successfully.');
}
// -------------------------------------------------------------
// PDF GENERATION USING mPDF
// -------------------------------------------------------------
public function generateInvoicePDF($invoice)
{
$invoice->load(['items', 'customer', 'container']);
$shipment = null;
$fileName = 'invoice-' . $invoice->invoice_number . '.pdf';
$folder = public_path('invoices/');
if (!file_exists($folder)) {
mkdir($folder, 0777, true);
}
$filePath = $folder . $fileName;
if (file_exists($filePath)) {
unlink($filePath);
}
$mpdf = new Mpdf([
'mode' => 'utf-8',
'format' => 'A4',
'default_font' => 'sans-serif',
]);
$html = view('admin.pdf.invoice', [
'invoice' => $invoice,
'shipment' => $shipment,
])->render();
$mpdf->WriteHTML($html);
$mpdf->Output($filePath, 'F');
$invoice->update(['pdf_path' => 'invoices/' . $fileName]);
}
// -------------------------------------------------------------
// INSTALLMENTS (ADD)
// -------------------------------------------------------------
public function storeInstallment(Request $request, $invoice_id)
{
$request->validate([
'installment_date' => 'required|date',
'payment_method' => 'required|string',
'reference_no' => 'nullable|string',
'amount' => 'required|numeric|min:1',
]);
$invoice = Invoice::findOrFail($invoice_id);
$paidTotal = $invoice->installments()->sum('amount');
$remaining = $invoice->final_amount_with_gst - $paidTotal;
if ($request->amount > $remaining) {
return response()->json([
'status' => 'error',
'message' => 'Installment amount exceeds remaining balance.',
], 422);
}
$installment = InvoiceInstallment::create([
'invoice_id' => $invoice_id,
'installment_date' => $request->installment_date,
'payment_method' => $request->payment_method,
'reference_no' => $request->reference_no,
'amount' => $request->amount,
]);
$newPaid = $paidTotal + $request->amount;
if ($newPaid >= $invoice->final_amount_with_gst) {
$invoice->update(['status' => 'paid']);
}
return response()->json([
'status' => 'success',
'message' => 'Installment added successfully.',
'installment' => $installment,
'totalPaid' => $newPaid,
'gstAmount' => $invoice->gst_amount,
'finalAmountWithGst' => $invoice->final_amount_with_gst,
'baseAmount' => $invoice->final_amount,
'remaining' => max(0, $invoice->final_amount_with_gst - $newPaid),
'isCompleted' => $newPaid >= $invoice->final_amount_with_gst,
]);
}
// -------------------------------------------------------------
// INSTALLMENTS (DELETE)
// -------------------------------------------------------------
public function deleteInstallment($id)
{
$installment = InvoiceInstallment::findOrFail($id);
$invoice = $installment->invoice;
$installment->delete();
$paidTotal = $invoice->installments()->sum('amount');
$remaining = $invoice->final_amount_with_gst - $paidTotal;
if ($remaining > 0 && $invoice->status === 'paid') {
$invoice->update(['status' => 'pending']);
}
return response()->json([
'status' => 'success',
'message' => 'Installment deleted.',
'totalPaid' => $paidTotal,
'gstAmount' => $invoice->gst_amount,
'finalAmountWithGst' => $invoice->final_amount_with_gst,
'baseAmount' => $invoice->final_amount,
'remaining' => $remaining,
'isZero' => $paidTotal == 0,
]);
}
// -------------------------------------------------------------
// CHARGE GROUP SAVE (NEW)
// -------------------------------------------------------------
public function storeChargeGroup(Request $request, $invoiceId)
{
$invoice = Invoice::with('items')->findOrFail($invoiceId);
$data = $request->validate([
'group_name' => 'nullable|string|max:255',
'basis_type' => 'required|in:ttl_qty,amount,ttl_cbm,ttl_kg',
'basis_value' => 'required|numeric',
'rate' => 'required|numeric|min:0.0001',
'auto_total' => 'required|numeric|min:0.01',
'item_ids' => 'required|array',
'item_ids.*' => 'integer|exists:invoice_items,id',
]);
$group = InvoiceChargeGroup::create([
'invoice_id' => $invoice->id,
'group_name' => $data['group_name'] ?? null,
'basis_type' => $data['basis_type'],
'basis_value' => $data['basis_value'],
'rate' => $data['rate'],
'total_charge' => $data['auto_total'],
]);
foreach ($data['item_ids'] as $itemId) {
InvoiceChargeGroupItem::create([
'group_id' => $group->id,
'invoice_item_id' => $itemId,
]);
}
return redirect()
->back()
->with('success', 'Charge group saved successfully.');
}
public function download(Invoice $invoice)
{
if (!$invoice->pdf_path || !Storage::exists($invoice->pdf_path)) {
return back()->with('error', 'PDF not found.');
}
return Storage::download($invoice->pdf_path, $invoice->invoice_number . '.pdf');
}
}