team_directory/app/Http/Controllers/PBXController.php

<?php

namespace App\Http\Controllers;

use DB;
use Mail;
use Illuminate\Support\Facades\Log;

use App\Models\User;
use Illuminate\Support\Facades\Artisan;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Session;

use Illuminate\Http\Request;
use App\Mail\NotifyAdmin;
use App\Mail\NotifyUser;
use App\Models\ExpiredPin;
use App\Models\PBXPin;
use GuzzleHttp\RetryMiddleware;

class PBXController extends Controller
{
    public function pbx (Request $request) {
        $pins = DB::table('pbx_pin')->orderBy('name')->get();
        $curr_user = $request->session()->get('credentials');

        $data = [
            'pins' => $pins,
            'curr_user' => $curr_user[0]['name']
        ];

        return view('Admin.pbx', compact('data'));
    }

    public function pbxSearch (Request $request) {
        $data = $request->all();
        $criteria = $data['search'];
        
        $pins = pbx_pin::where('name', 'LIKE', '%'.$criteria.'%')
                        ->orWhere('pin', '=', $criteria)
                        ->get();

        $curr_user = $request->session()->get('credentials');
        $data = [
            'pins' => $pins,
            'curr_user' => $curr_user[0]['name']
        ];

        return view('Admin.pbx', compact('data'));
    }

    public function createPin (Request $request) {
        $data = $request->all();
        $curr_user = $request->session()->get('credentials');
        
        try {
            $pins = DB::table('pbx_pin')->orderBy("name")->get();
            $user = DB::table('users')->where('email', '=', $data['add-pbx'])->get();
            
            if (!$user->isEmpty()) {
                $user_check = DB::table('pbx_pin')->where('email', '=', $data['add-pbx'])->get();

                if($user_check->isEmpty()){
                    
                    $check = 0;
                    while ($check == 0) {
                        $pinGenerator = rand(10000,99999);
                        $check_curr = DB::table('pbx_pin')->where('pin', '=', $pinGenerator)->get();
                        $check_old = DB::table('expired_pins')->where('pin', '=', $pinGenerator)->get();

                        if ($check_curr->isEmpty() && $check_old->isEmpty()){
                            $check = 1;
                        }
                    }

                    $pbx = new PBXPin();
                            
                    $pbx->name = $user_check[0]->name;
                    $pbx->email = $user_check[0]->email;
                    $pbx->updated_by = $curr_user[0]['name'];
                    $pbx->pin = $pinGenerator;

                    $pbx->save();
                }
                else {
                    // User already has PBX pin assigned
                    $data = [
                        'pins' => $pins,
                        'error' => '1',
                        'curr_user' => $curr_user[0]['name']
                    ];

                    return view('Admin.pbx', compact('data'));
                }
            }
            else {
                // User is not found
                $pins = DB::table('pbx_pin')->orderBy("name")->get();
                $data = [
                    'pins' => $pins,
                    'error' => '2',
                    'curr_user' => $curr_user[0]['name']
                ];

                return view('Admin.pbx', compact('data'));
            }
        } catch (\Exception $ex) {
            Log::channel('error')->info('Error:'.$ex);
        }
    }

    public function unauthorizedAccess () {
        return view('Admin.unauthorized');
    }

    public function disable (Request $request, $id) {
        try {
            $pin = DB::table('pbx_pin')->where('id', $id)->delete();
            $curr_user = $request->session()->get('credentials');
            $pins = DB::table('pbx_pin')->orderBy("name")->get();
            $data = [
                'pins' => $pins,
                'curr_user' => $curr_user[0]['name']
            ];

            return redirect()->route('pbx');
        }
        catch (\Exception $ex) {
            Log::channel('error')->info('Error:'.$ex);
        }

    }
}