demo/app/Http/Controllers/CompaniesController.php

<?php

namespace App\Http\Controllers;

use App\Model\Company;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

class CompaniesController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        if (Auth::check()) {
            $companies = Company::where('user_id', Auth::user()->id)->get();
            return view('companies.index', ['companies' => $companies]);
        }

        return view('auth.login');
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function create()
    {
        return view('companies.create');
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        if (Auth::check()) {
            $company = Company::create([
                'name' => $request->input('name'),
                'description' => $request->input('description'),
                'user_id' => Auth::user()->id
            ]);

            if ($company) {
                return redirect()->route('companies.show', ['company' => $company->id])
                    ->with('success', 'Company created successfully');
            }
        }

        return back()->withInput()->with('errors', 'Error creating new company');

    }

    /**
     * Display the specified resource.
     *
     * @param  \App\Model\Company $company
     * @return \Illuminate\Http\Response
     */
    public function show(Company $company)
    {
        $comments = $company->comments;
        //dd($comments);

        return view('companies.show', compact('company' ,'comments'));
    }

    /**
     * Show the form for editing the specified resource.
     *
     * @param  \App\Model\Company $company
     * @return \Illuminate\Http\Response
     */
    public function edit(Company $company)
    {
        return view('companies.edit', ['company' => $company]);
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request $request
     * @param  \App\Model\Company $company
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, Company $company)
    {
        $companyUpdate = $company->update([
            'name' => $request->input('name'),
            'description' => $request->input('description'),
        ]);
        if ($companyUpdate) {
            return redirect()->route('companies.show', $company->id)
                ->with('success', 'Company updated successfully');
        }
        // redirect
        return back()->withInput();
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  \App\Model\Company $company
     * @return \Illuminate\Http\Response
     */
    public function destroy(Company $company)
    {
        $findCompany = Company::find($company->id);
        if ($findCompany->delete()) {
            return redirect()->route('companies.index')
                ->with('success', 'Company deleted successfully');
        }

        return back()->withInput()
            ->with('error', 'Company could not be deleted');
    }
}