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<?php
namespace App\Http\Controllers;
use App\BusinessLocation;
use App\Product;
use App\PurchaseLine;
use App\Transaction;
use App\Utils\ProductUtil;
use App\Utils\TransactionUtil;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
class OpeningStockController extends Controller
{
/**
* All Utils instance.
*/
protected $productUtil;
protected $transactionUtil;
/**
* Constructor
*
* @param ProductUtils $product
* @return void
*/
public function __construct(ProductUtil $productUtil, TransactionUtil $transactionUtil)
{
$this->productUtil = $productUtil;
$this->transactionUtil = $transactionUtil;
}
/**
* Show the form for editing the specified resource.
*
* @param int $id
* @return \Illuminate\Http\Response
*/
public function add($product_id)
{
if (! auth()->user()->can('product.opening_stock')) {
abort(403, 'Unauthorized action.');
}
$business_id = request()->session()->get('user.business_id');
//Get the product
$product = Product::where('business_id', $business_id)
->where('id', $product_id)
->with(['variations',
'variations.product_variation',
'unit',
'product_locations',
'second_unit',
])
->first();
if (! empty($product) && $product->enable_stock == 1) {
//Get Opening Stock Transactions for the product if exists
$transactions = Transaction::where('business_id', $business_id)
->where('opening_stock_product_id', $product_id)
->where('type', 'opening_stock')
->with(['purchase_lines'])
->get();
$purchases = [];
$purchase_lines = [];
foreach ($transactions as $transaction) {
foreach ($transaction->purchase_lines as $purchase_line) {
if (! empty($purchase_lines[$purchase_line->variation_id])) {
$k = count($purchase_lines[$purchase_line->variation_id]);
} else {
$k = 0;
$purchase_lines[$purchase_line->variation_id] = [];
}
//Show only remaining quantity for editing opening stock.
$purchase_lines[$purchase_line->variation_id][$k]['quantity'] = $purchase_line->quantity_remaining;
$purchase_lines[$purchase_line->variation_id][$k]['purchase_price'] = $purchase_line->purchase_price;
$purchase_lines[$purchase_line->variation_id][$k]['purchase_line_id'] = $purchase_line->id;
$purchase_lines[$purchase_line->variation_id][$k]['exp_date'] = $purchase_line->exp_date;
$purchase_lines[$purchase_line->variation_id][$k]['lot_number'] = $purchase_line->lot_number;
$purchase_lines[$purchase_line->variation_id][$k]['transaction_date'] = $this->productUtil->format_date($transaction->transaction_date, true);
$purchase_lines[$purchase_line->variation_id][$k]['purchase_line_note'] = $transaction->additional_notes;
$purchase_lines[$purchase_line->variation_id][$k]['location_id'] = $transaction->location_id;
$purchase_lines[$purchase_line->variation_id][$k]['secondary_unit_quantity'] = $purchase_line->secondary_unit_quantity;
}
}
foreach ($purchase_lines as $v_id => $pls) {
foreach ($pls as $pl) {
$purchases[$pl['location_id']][$v_id][] = $pl;
}
}
$locations = BusinessLocation::forDropdown($business_id);
//Unset locations where product is not available
$available_locations = $product->product_locations->pluck('id')->toArray();
foreach ($locations as $key => $value) {
if (! in_array($key, $available_locations)) {
unset($locations[$key]);
}
}
$enable_expiry = request()->session()->get('business.enable_product_expiry');
$enable_lot = request()->session()->get('business.enable_lot_number');
if (request()->ajax()) {
return view('opening_stock.ajax_add')
->with(compact(
'product',
'locations',
'purchases',
'enable_expiry',
'enable_lot'
));
}
return view('opening_stock.add')
->with(compact(
'product',
'locations',
'purchases',
'enable_expiry',
'enable_lot'
));
}
}
/**
* Update the specified resource in storage.
*
* @param \Illuminate\Http\Request $request
* @param int $id
* @return \Illuminate\Http\Response
*/
public function save(Request $request)
{
if (! auth()->user()->can('product.opening_stock')) {
abort(403, 'Unauthorized action.');
}
try {
$opening_stocks = $request->input('stocks');
$product_id = $request->input('product_id');
$business_id = $request->session()->get('user.business_id');
$user_id = $request->session()->get('user.id');
$product = Product::where('business_id', $business_id)
->where('id', $product_id)
->with(['variations', 'product_tax'])
->first();
$locations = BusinessLocation::forDropdown($business_id)->toArray();
if (! empty($product) && $product->enable_stock == 1) {
//Get product tax
$tax_percent = ! empty($product->product_tax->amount) ? $product->product_tax->amount : 0;
$tax_id = ! empty($product->product_tax->id) ? $product->product_tax->id : null;
//Get start date for financial year.
$transaction_date = request()->session()->get('financial_year.start');
$transaction_date = \Carbon::createFromFormat('Y-m-d', $transaction_date)->toDateTimeString();
DB::beginTransaction();
//$key_os is the location_id
foreach ($opening_stocks as $location_id => $value) {
$new_purchase_lines = [];
$edit_purchase_lines = [];
$new_transaction_data = [];
$edit_transaction_data = [];
//Check if valid location
if (array_key_exists($location_id, $locations)) {
foreach ($value as $vid => $purchase_lines_data) {
//create purchase_lines array
foreach ($purchase_lines_data as $k => $pl) {
$purchase_price = $this->productUtil->num_uf(trim($pl['purchase_price']));
$item_tax = $this->productUtil->calc_percentage($purchase_price, $tax_percent);
$purchase_price_inc_tax = $purchase_price + $item_tax;
$qty_remaining = $this->productUtil->num_uf(trim($pl['quantity']));
$secondary_unit_quantity = isset($pl['secondary_unit_quantity']) ? $this->productUtil->num_uf(trim($pl['secondary_unit_quantity'])) : 0;
$exp_date = null;
if (! empty($pl['exp_date'])) {
$exp_date = $this->productUtil->uf_date($pl['exp_date']);
}
$lot_number = null;
if (! empty($pl['lot_number'])) {
$lot_number = $pl['lot_number'];
}
$purchase_line_note = ! empty($pl['purchase_line_note']) ? $pl['purchase_line_note'] : null;
$transaction_date = ! empty($pl['transaction_date']) ? $this->productUtil->uf_date($pl['transaction_date'], true) : $transaction_date;
$purchase_line = null;
if (isset($pl['purchase_line_id'])) {
$purchase_line = PurchaseLine::findOrFail($pl['purchase_line_id']);
//Quantity = remaining + used
$qty_remaining = $qty_remaining + $purchase_line->quantity_used;
if ($qty_remaining != 0) {
//Calculate transaction total
$old_qty = $purchase_line->quantity;
$this->productUtil->updateProductQuantity($location_id, $product->id, $vid, $qty_remaining, $old_qty, null, false);
}
} else {
if ($qty_remaining != 0) {
//create newly added purchase lines
$purchase_line = new PurchaseLine();
$purchase_line->product_id = $product->id;
$purchase_line->variation_id = $vid;
$this->productUtil->updateProductQuantity($location_id, $product->id, $vid, $qty_remaining, 0, null, false);
}
}
if (! is_null($purchase_line)) {
$purchase_line->item_tax = $item_tax;
$purchase_line->tax_id = $tax_id;
$purchase_line->quantity = $qty_remaining;
$purchase_line->pp_without_discount = $purchase_price;
$purchase_line->purchase_price = $purchase_price;
$purchase_line->purchase_price_inc_tax = $purchase_price_inc_tax;
$purchase_line->exp_date = $exp_date;
$purchase_line->lot_number = $lot_number;
$purchase_line->secondary_unit_quantity = $secondary_unit_quantity;
}
if (! empty($purchase_line->transaction_id)) {
$edit_purchase_lines[$purchase_line->transaction_id][] = $purchase_line;
$purchase_line->save();
$edit_transaction_data[$purchase_line->transaction_id] = [
'transaction_date' => $transaction_date,
'additional_notes' => $purchase_line_note,
];
} else {
$new_purchase_lines[] = $purchase_line;
$new_transaction_data[] = [
'transaction_date' => $transaction_date,
'additional_notes' => $purchase_line_note,
];
}
}
}
//edit existing transactions & purchase lines
$updated_transaction_ids = [];
if (! empty($edit_purchase_lines)) {
foreach ($edit_purchase_lines as $t_id => $purchase_lines) {
$purchase_total = 0;
$updated_purchase_line_ids = [];
foreach ($purchase_lines as $purchase_line) {
$purchase_total = $purchase_line->purchase_price_inc_tax * $purchase_line->quantity;
$updated_purchase_line_ids[] = $purchase_line->id;
}
$transaction = Transaction::where('type', 'opening_stock')
->where('business_id', $business_id)
->where('location_id', $location_id)
->find($t_id);
$transaction->total_before_tax = $purchase_total;
$transaction->final_total = $purchase_total;
$transaction->transaction_date = $edit_transaction_data[$transaction->id]['transaction_date'];
$transaction->additional_notes = $edit_transaction_data[$transaction->id]['additional_notes'];
$transaction->update();
$updated_transaction_ids[] = $transaction->id;
//unset deleted purchase lines
$delete_purchase_line_ids = [];
$delete_purchase_lines = null;
$delete_purchase_lines = PurchaseLine::where('transaction_id', $transaction->id)
->whereNotIn('id', $updated_purchase_line_ids)
->get();
if ($delete_purchase_lines->count()) {
foreach ($delete_purchase_lines as $delete_purchase_line) {
$delete_purchase_line_ids[] = $delete_purchase_line->id;
//decrease deleted only if previous status was received
$this->productUtil->decreaseProductQuantity(
$delete_purchase_line->product_id,
$delete_purchase_line->variation_id,
$transaction->location_id,
$delete_purchase_line->quantity
);
}
//Delete deleted purchase lines
PurchaseLine::where('transaction_id', $transaction->id)
->whereIn('id', $delete_purchase_line_ids)
->delete();
}
$this->transactionUtil->adjustMappingPurchaseSellAfterEditingPurchase('received', $transaction, $delete_purchase_lines);
//Adjust stock over selling if found
$this->productUtil->adjustStockOverSelling($transaction);
}
}
//Delete transaction if all purchase line quantity is 0 (Only if transaction exists)
$delete_transactions = Transaction::where('type', 'opening_stock')
->where('business_id', $business_id)
->where('opening_stock_product_id', $product->id)
->where('location_id', $location_id)
->with(['purchase_lines'])
->whereNotIn('id', $updated_transaction_ids)
->get();
if (count($delete_transactions) > 0) {
foreach ($delete_transactions as $delete_transaction) {
$delete_purchase_lines = $delete_transaction->purchase_lines;
foreach ($delete_purchase_lines as $delete_purchase_line) {
$this->productUtil->decreaseProductQuantity($product->id, $delete_purchase_line->variation_id, $location_id, $delete_purchase_line->quantity);
$delete_purchase_line->delete();
}
//Update mapping of purchase & Sell.
$this->transactionUtil->adjustMappingPurchaseSellAfterEditingPurchase('received', $delete_transaction, $delete_purchase_lines);
$delete_transaction->delete();
}
}
//create transaction & purchase lines
if (! empty($new_purchase_lines)) {
foreach ($new_purchase_lines as $key => $new_purchase_line) {
if (empty($new_purchase_line)) {
continue;
}
$transaction = Transaction::create(
[
'type' => 'opening_stock',
'opening_stock_product_id' => $product->id,
'status' => 'received',
'business_id' => $business_id,
'transaction_date' => $new_transaction_data[$key]['transaction_date'],
'additional_notes' => $new_transaction_data[$key]['additional_notes'],
'total_before_tax' => $new_purchase_line->purchase_price_inc_tax,
'location_id' => $location_id,
'final_total' => $new_purchase_line->purchase_price_inc_tax * $new_purchase_line->quantity,
'payment_status' => 'paid',
'created_by' => $user_id,
]
);
$transaction->purchase_lines()->saveMany([$new_purchase_line]);
//Adjust stock over selling if found
$this->productUtil->adjustStockOverSelling($transaction);
}
}
}
}
DB::commit();
}
$output = ['success' => 1,
'msg' => __('lang_v1.opening_stock_added_successfully'),
];
} catch (\Exception $e) {
DB::rollBack();
\Log::emergency('File:'.$e->getFile().'Line:'.$e->getLine().'Message:'.$e->getMessage());
$output = ['success' => 0,
'msg' => $e->getMessage(),
];
return back()->with('status', $output);
}
if (request()->ajax()) {
return $output;
}
return redirect('products')->with('status', $output);
}
}