sipadu_mbip/app/Http/Controllers/Main/InventoryController.php

<?php

namespace App\Http\Controllers\Main;

use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\Auth;
use LynX39\LaraPdfMerger\Facades\PdfMerger;

use Carbon\Carbon;
use PDF;

use App\SiteSetting;
use App\Model\Staff;
use App\Model\StaffDetail;
use App\Model\User;
use App\Model\UserDetail;
use App\Model\Module\Roles;
use App\Model\Module\Compound;
use App\Model\Module\ConfidentialFile;
use App\Model\Module\ItemInventory;
use App\Model\Module\Barcode;
use App\Model\Module\Attachment;
use App\Model\Module\History;
use App\Model\Module\SubHistory;

use App\Jobs\GenerateBarcode;

class InventoryController extends Controller
{
	/**
     * Create Inventory ID controller.
     *
     * @return json
     */
	public function generateBR($uniq_id,$range){
		$allowedNumbers = range(0, 9);
		shuffle($allowedNumbers);
		$digits = array_rand($allowedNumbers, $range);

		$number = '';
		foreach($digits as $d){
			$number .= $allowedNumbers[$d];
		}

		return $uniq_id.$number;
	}

	/**
     * Create Inventory list controller.
     *
     * @return json
     */
	public function addItem(Request $request){

		$id = Auth::guard('sadmin')->id();
		$user = Staff::with('StaffDetail')->find($id);

		$compound = Compound::with('ConfidentialFile')->where('kpd', $request->kpd)->first();
		if(!empty($compound)){

			$item = [
				'kategori' => $request->get('kategori'),
				'jenis'	=> $request->get('jenis'),
				'bilangan' => $request->get('bilangan'),
				'harga'	=> $request->get('harga'),
				'lokasi_gudang' => $request->get('lokasi'),
				'status' => 'simpan'
			];

			$itemI = ItemInventory::create($item);
			$compound->ConfidentialFile->iteminventory()->save($itemI);

			$l = 0;
			while($l != $request->get('bilangan')) {
				$name = '';
				do {
					$name = $this->generateBR('BR', 5);
				} while (Barcode::where("barcode_id", "=", $name)->first() instanceof Barcode);

			  	$this->dispatch(new GenerateBarcode($request->kpd, $name, $itemI));
			  	$l++;
			}

			$now = Carbon::now();
        	$gDate = $now->format('F Y');

			$historyData = [
				'tarikh_kumpulan' => $gDate,
			];
			$subHistory = [
				'no_siri' => $compound->ConfidentialFile->no_siri,
				'tajuk' => "Ada penambahan item inventori dari 'dashboard'",
				'huraian' => "Item inventori telah ditambah oleh ".$user->StaffDetail->roles_access." <a href='".url('/main/staff')."/".$user->_id."/profile'>".$user->StaffDetail->full_name."</a>",
			];

			$groupByDate = History::where('tarikh_kumpulan', $gDate)->first();
			if(!empty($groupByDate)){
				$groupByDate->subhistory()->create($subHistory);
				$compound->ConfidentialFile->history()->attach($groupByDate);
			}else{
				$history = History::create($historyData);
				$history->subhistory()->create($subHistory);
				$compound->ConfidentialFile->history()->attach($history);
			}

			return redirect()->back()->with('success_msg', '<strong>Berjaya!</strong> Rekod item inventori berjaya ditambah');
		}else{
			return redirect()->back()->with('error_msg', '<strong>Tidak Berjaya!</strong> Rekod kertas kompaun tidak ditemui');
		}
	}

	public function editItem(Request $request){

		$id = Auth::guard('sadmin')->id();
		$user = Staff::with('StaffDetail')->find($id);

		$data_barcode_empty = false;
		$compound = Compound::with('ConfidentialFile')->where('kpd', $request->kpd)->first();
		$itemI = ItemInventory::with('Attachment','Barcode')->where('_id',$request->_id)->first();
    	if(!empty($itemI)){

    		if($request->has('lokasi')){
    			$itemI->jenis = $request->get('jenis');
    			$itemI->bilangan = $request->get('bilangan');
    			$itemI->harga = $request->get('harga');
    			$itemI->lokasi_gudang = $request->get('lokasi');
    			$itemI->save();
    		}else{
    			$itemI->jenis = $request->get('jenis');
    			$itemI->bilangan = $request->get('bilangan');
    			$itemI->harga = $request->get('harga');
    			$itemI->save();
    		}

    		if(!empty($itemI->Barcode)){
    			foreach ($itemI->Barcode as $b) {
    				$b->forceDelete();
    			}

    			$data_barcode_empty = true;
    		}

    		if($data_barcode_empty == true){
    			$l = 0;
				while($l != $request->get('bilangan')) {
					$name = $this->generateBR('BR', 5);
				  	$this->dispatch(new GenerateBarcode($request->kpd, $name, $itemI));
				  	$l++;
				}
    		}
    		
    		$now = Carbon::now();
    		$gDate = $now->format('F Y');

    		$historyData = [
    			'tarikh_kumpulan' => $gDate,
    		];
    		$subHistory = [
    			'no_siri' => $compound->ConfidentialFile->no_siri,
    			'tajuk' => "Item inventori dikemaskini",
    			'huraian' => "Item inventori diekmaskini oleh ".$user->StaffDetail->roles_access." <a href='".url('/main/staff')."/".$user->_id."/profile'>".$user->StaffDetail->full_name."</a>",
    		];

    		$groupByDate = History::where('tarikh_kumpulan', $gDate)->first();
    		if(!empty($groupByDate)){
    			$groupByDate->subhistory()->create($subHistory);
    			$compound->ConfidentialFile->history()->attach($groupByDate);
    		}else{
    			$history = History::create($historyData);
    			$history->subhistory()->create($subHistory);
    			$compound->ConfidentialFile->history()->attach($history);
    		}

    		return redirect()->back()->with('success_msg', '<strong>Berjaya!</strong> Kemaskini Rekod item inventori');

		}else{
			return redirect()->back()->with('error_msg', '<strong>Tidak Berjaya!</strong> Rekod item tidak ditemui');
		}
	}

	public function requestViewInventoryPdf($kpd) {

		$compound = Compound::with('ConfidentialFile')->where('kpd', $kpd)->first();
		$file = ConfidentialFile::with(['ItemInventory'  => function($q){
    		$q->with('Attachment','Barcode')->orderBy('created_at','DESC');
    	}])->where('no_siri',$compound->ConfidentialFile->no_siri)->first();

		$now = Carbon::now()->format('d/m/Y h:i:s A');
		$site = SiteSetting::first();

		$pdf = PDF::loadView('pdf.inventory', compact('compound','file','now','site'));
		$pdf->setPaper('A4', 'potrait');
		return $pdf->stream();
	}
}