faveo/app/Http/Controllers/Agent/kb/PageController.php

<?php

namespace App\Http\Controllers\Agent\kb;

use App\Http\Controllers\Agent\helpdesk\TicketController;
use App\Http\Controllers\Controller;
use App\Http\Requests\kb\PageRequest;
// request
use App\Http\Requests\kb\PageUpdate;
use App\Model\kb\Page;
use Datatable;
// Model
use Exception;
// classes
use Illuminate\Http\Request;
use Illuminate\Support\Str;
use Lang;

/**
 * PageController
 * This controller is used to CRUD Pages.
 *
 * @author      Ladybird <info@ladybirdweb.com>
 */
class PageController extends Controller
{
    /**
     * Create a new controller instance.
     * constructor to check
     * 1. authentication
     * 2. user roles
     * 3. roles must be agent.
     *
     * @return void
     */
    public function __construct(Page $page)
    {
        // checking authentication
        $this->middleware('auth');
        // checking roles
        $this->middleware('roles');
        $this->page = $page;
        SettingsController::language();
    }

    /**
     * Display the list of pages.
     *
     * @return type
     */
    public function index()
    {
        $pages = $this->page->paginate(3);
        $pages->setPath('page');

        try {
            return view('themes.default1.agent.kb.pages.index', compact('pages'));
        } catch (Exception $e) {
            return redirect()->back()->with('fails', $e->getMessage());
        }
    }

    /**
     * fetching pages list in chumper datatables.
     *
     * @return type
     */
    public function getData()
    {
        /* fetching chumper datatables */
        return Datatable::collection(Page::All())
                        /* search column name */
                        ->searchColumns('name')
                        /* order column name, description and created */
                        ->orderColumns('name', 'description', 'created')
                        /* add column name */
                        ->addColumn('name', function ($model) {
                            return $model->name;
                        })
                        /* add column Created */
                        ->addColumn('Created', function ($model) {
                            $t = $model->created_at;

                            return TicketController::usertimezone($t);
                        })
                        /* add column Actions */
                        /* there are action buttons and modal popup to delete a data column */
                        ->addColumn('Actions', function ($model) {
                            return '<span  data-toggle="modal" data-target="#deletepage'.$model->id.'"><a href="#" ><button class="btn btn-danger btn-xs"></a> '.\Lang::get('lang.delete').'</button></span>&nbsp;<a href=page/'.$model->slug.'/edit class="btn btn-warning btn-xs">'.\Lang::get('lang.edit').'</a>&nbsp;<a href=pages/'.$model->slug.' class="btn btn-primary btn-xs">'.\Lang::get('lang.view').'</a>
				<div class="modal fade" id="deletepage'.$model->id.'">
        			<div class="modal-dialog">
            			<div class="modal-content">
                			<div class="modal-header">
                                <h4 class="modal-title">Delete</h4>
                    			<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
                			</div>
                			<div class="modal-body">
                				Are you sure you want to delete <b>'.$model->name.'</b> ?
                			</div>
                			<div class="modal-footer justify-content-between">
	                    		<button type="button" class="btn btn-default" data-dismiss="modal" id="dismis2">Close</button>
    			                <a href="page/delete/'.$model->id.'"><button class="btn btn-danger">Delete</button></a>
			                </div>
		            	</div>
			        </div>
    			</div>';
                        })
                        ->make();
    }

    /**
     * Show the form for creating a new resource.
     *
     * @return type view
     */
    public function create()
    {
        return view('themes.default1.agent.kb.pages.create');
    }

    /**
     * To insert a value to the table Page.
     *
     * @param type Request $request
     * @return type
     */
    public function store(PageRequest $request)
    {
        $sl = $request->input('name');
        $slug = Str::slug($sl, '-');
        $this->page->slug = $slug;

        try {
            $this->page->fill($request->input())->save();

            return redirect('page')->with('success', Lang::get('lang.page_created_successfully'));
        } catch (Exception $e) {
            return redirect('page')->with('fails', $e->getMessage());
        }
    }

    /**
     * To edit a page.
     *
     * @param  type  $slug
     * @return type view
     */
    public function edit($slug)
    {
        try {
            $page = $this->page->where('slug', $slug)->first();

            return view('themes.default1.agent.kb.pages.edit', compact('page'));
        } catch (Exception $e) {
            return redirect('page')->with('fails', $e->getMessage());
        }
    }

    /**
     * To update a page.
     *
     * @param  type  $slug
     * @param type PageUpdate $request
     * @return type redirect
     */
    public function update($slug, PageRequest $request)
    {
        // get pages with respect to slug
        $pages = $this->page->where('slug', $slug)->first();
        $sl = $request->input('name');
        $slug = Str::slug($sl, '-');

        try {
            $pages->fill($request->all())->save();
            $pages->slug = $slug;
            $pages->save();

            return redirect('page')->with('success', Lang::get('lang.your_page_updated_successfully'));
        } catch (Exception $e) {
            return redirect('page')->with('fails', $e->getMessage());
        }
    }

    /**
     * To Delete a Page.
     *
     * @param  type  $id
     * @return type redirect
     */
    public function destroy($id)
    {
        try {
            // get the page to be deleted
            $page = $this->page->whereId($id)->first();
            $page->delete();

            return redirect('page')->with('success', Lang::get('lang.page_deleted_successfully'));
        } catch (Exception $e) {
            return redirect('page')->with('fails', $e->getMessage());
        }
    }
}