/home/kueuepay/public_html/app/Http/Controllers/Admin/UsefulLinkController.php
<?php

namespace App\Http\Controllers\Admin;

use Exception;
use Illuminate\Support\Str;
use Illuminate\Http\Request;
use App\Constants\GlobalConst;
use App\Http\Helpers\Response;
use App\Models\Admin\Language;
use App\Models\Admin\UsefulLink;
use App\Http\Controllers\Controller;
use Illuminate\Http\RedirectResponse;
use Illuminate\Support\Facades\Validator;

class UsefulLinkController extends Controller
{
    /**
     * Display a listing of the resource.
     *
     * @return \Illuminate\Http\Response
     */
    public function index()
    {
        $page_title = "Useful Links";
        $languages = Language::get();
        $useful_links = UsefulLink::get();
        return view('admin.sections.useful-links.index',compact("page_title","languages","useful_links"));
    }

    /**
     * Store a newly created resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return \Illuminate\Http\Response
     */
    public function store(Request $request)
    {
        $section_data['title']['language']  = $this->contentValidate($request,['title'     => 'required|string|max:255'],'link-add');
        if($section_data['title']['language'] instanceof RedirectResponse) {
            return $section_data['title']['language'];
        }

        $section_data['content']['language']  = $this->contentValidate($request,['content'   => 'required|string|max:50000'],'link-add');
        if($section_data['content']['language'] instanceof RedirectResponse) {
            return $section_data['content']['language'];
        }

        $validator = Validator::make($request->all(),[
            'slug'          => "required|string|max:200",
        ]);
        if($validator->fails()) return back()->withErrors($validator)->withInput()->with('modal','link-add');

        $validated = $validator->validate();
        $validated['slug']   = Str::slug($validated['slug']);

        // check slug available is not
        if(UsefulLink::where('slug',$validated['slug'])->exists()) {
            return back()->withErrors($validator)->withInput()->with('modal','link-add');
        }

        $section_data['type']       = GlobalConst::UNKNOWN;
        $validated['url']           = $validated['slug'];
        $validated['editable']      = true;

        $section_data = array_merge($section_data,$validated);

        try{
            UsefulLink::create($section_data);
        }catch(Exception $e) {
            return back()->with(['error' => ['Something went wrong! Please try again.']]);
        }

        return back()->with(['success' => ['Useful link added successfully!']]);
    }
    /**
     * Show the form for editing the specified resource.
     *
     * @param  string  $slug
     * @return \Illuminate\Http\Response
     */
    public function edit($slug)
    {
        $page_title = "Edit Useful Link";
        $useful_link = UsefulLink::where('slug',$slug)->first();
        if(!$useful_link) return back()->with(['error' => ['Link not found!']]);
        $languages = Language::get();

        return view('admin.sections.useful-links.edit',compact('page_title','useful_link','languages'));
    }

    /**
     * Update the specified resource in storage.
     *
     * @param  \Illuminate\Http\Request  $request
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function update(Request $request, $slug)
    {
        $useful_link = UsefulLink::where('slug',$slug)->first();
        if(!$useful_link) return back()->with(['error' => ['Link not found!']]);

        $section_data['title']['language']  = $this->contentValidate($request,['title'      => 'required|string|max:255']);
        $section_data['content']['language']  = $this->contentValidate($request,['content'  => 'required|string|max:50000']);

        try{
            $useful_link->update($section_data);
        }catch(Exception $e) {
            return back()->with(['error' => ['Something went wrong! Please try again']]);
        }  

        return redirect()->route('admin.useful.links.index')->with(['success' => ['Useful link updated successfully!']]);
    }

    /**
     * Remove the specified resource from storage.
     *
     * @param  int  $id
     * @return \Illuminate\Http\Response
     */
    public function delete(Request $request)
    {
        $request->validate([
            'target'    => "required|integer|exists:useful_links,id",
        ]);

        $useful_link = UsefulLink::find($request->target);
        try{
            $useful_link->delete();
        }catch(Exception $e) {
            return back()->with(['error' => ['Something went wrong! Please try again']]);
        }

        return back()->with(['success' => ['Useful link deleted successfully!']]);
    }

    public function statusUpdate(Request $request) {
        $validator = Validator::make($request->all(),[
            'status'                    => 'required|boolean',
            'data_target'               => 'required|integer',
        ]);
        if ($validator->stopOnFirstFailure()->fails()) {
            $error = ['error' => $validator->errors()];
            return Response::error($error,null,400);
        }
        $validated = $validator->safe()->all();
        $id = $validated['data_target'];

        $link = UsefulLink::find($id);
        if(!$link) {
            $error = ['error' => ['Link not found!']];
            return Response::error($error,null,404);
        }

        try{
            $link->update([
                'status' => ($validated['status'] == true) ? false : true,
            ]);
        }catch(Exception $e) {
            return $e;
            $error = ['error' => ['Something went wrong!. Please try again.']];
            return Response::error($error,null,500);
        }

        $success = ['success' => [__('Useful link status updated successfully!')]];
        return Response::success($success,null,200);
    }

    /**
     * Method for validate request data and re-decorate language wise data
     * @param object $request
     * @param array $basic_field_name
     * @return array $language_wise_data
     */
    public function contentValidate($request,$basic_field_name,$modal = null) {
        $languages = Language::get();

        $current_local = get_default_language_code();
        $validation_rules = [];
        $language_wise_data = [];
        foreach($request->all() as $input_name => $input_value) {
            foreach($languages as $language) {
                $input_name_check = explode("_",$input_name);
                $input_lang_code = array_shift($input_name_check);
                $input_name_check = implode("_",$input_name_check);
                if($input_lang_code == $language['code']) {
                    if(array_key_exists($input_name_check,$basic_field_name)) {
                        $langCode = $language['code'];
                        if($current_local == $langCode) {
                            $validation_rules[$input_name] = $basic_field_name[$input_name_check];
                        }else {
                            $validation_rules[$input_name] = str_replace("required","nullable",$basic_field_name[$input_name_check]);
                        }
                        $language_wise_data[$langCode][$input_name_check] = $input_value;
                    }
                    break;
                } 
            }
        }
        if($modal == null) {
            $validated = Validator::make($request->all(),$validation_rules)->validate();
        }else {
            $validator = Validator::make($request->all(),$validation_rules);
            if($validator->fails()) {
                return back()->withErrors($validator)->withInput()->with("modal",$modal);
            }
            $validated = $validator->validate();
        }

        return $language_wise_data;
    }
}
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