/home/kueuepay/public_html/app/Http/Controllers/User/CardController.php
<?php

namespace App\Http\Controllers\User;

use Exception;
use Carbon\Carbon;
use App\Models\Card;
use Illuminate\Support\Str;
use App\Constants\CardConst;
use Illuminate\Http\Request;
use App\Http\Helpers\Response;
use App\Http\Controllers\Controller;
use Illuminate\Support\Facades\Validator;
use Illuminate\Validation\ValidationException;

class CardController extends Controller
{
    /**
     * Method for payment page
     * @return view
     */
    public function index(){
        $page_title     = "Save Cards";
        $cards          = Card::auth()->orderBy('id','desc')->get();

        return view('user.sections.card.index',compact(
            'page_title',
            'cards'
        ));
    }
    /**
     * Method for store payment information 
     * @param \Illuminate\Http\Request $request
     */
    public function store(Request $request){
        $validator = Validator::make($request->all(), [
            'name'        => 'required',
            'card_number' => 'required',
            'card_cvc'    => 'required|min:3|max:4',
            'expiry_date' => 'required|min:7|max:7',
        ]);

        if ($validator->fails()) {
            return back()->withErrors($validator)->withInput()->with('modal', true);
        }

        $validated = $validator->validate();

        // Remove spaces in card number and hash it for uniqueness check
        $card_number_cleaned = str_replace(' ', '', $validated['card_number']);
        if(strlen($card_number_cleaned) < 15 || strlen($card_number_cleaned) > 19){
            return back()->with(['error' => ['Card number must be between 15 to 19 digits.']]);
        }
        $card_number_hash = hash('sha256', $card_number_cleaned);

        // Check if the card number hash already exists for this user
        if (Card::where('user_id', auth()->user()->id)
                ->where('card_number_hash', $card_number_hash)
                ->exists()) {
            throw ValidationException::withMessages([
                'card_number' => "This card number has already been added by you!",
            ]);
        }

        // Continue with validation for expiry date
        $exp_date = explode("/", $request->expiry_date);
        $month_data = str_replace(' ', '', $exp_date[0]);
        $year_data = str_replace(' ', '', $exp_date[1]);

        if ($month_data > 12) {
            return back()->with(['error' => ['Invalid Month.']]);
        }

        $current_month = Carbon::now()->format('m');
        $current_year = Carbon::now()->format('y');
        if ($current_year > $year_data) {
            return back()->with(['error' => ['Invalid Year.']]);
        }
        if ($current_month > $month_data && $current_year == $year_data) {
            return back()->with(['error' => ['Month expired.']]);
        }

        // Encrypt sensitive data
        $validated['user_id']   = auth()->user()->id;
        $expiry_date = $month_data.'/'.$year_data;
        $validated['expiry_date'] = encrypt($expiry_date);
        $validated['type'] = CardConst::LIVE;
        $validated['slug'] = Str::uuid();
        $validated['name'] = encrypt($validated['name']);
        $validated['card_number'] = encrypt($card_number_cleaned);
        $validated['card_cvc'] = encrypt($validated['card_cvc']);
        $validated['card_number_hash'] = $card_number_hash;

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

        return back()->with(['success' => ['Card method created successfully.']]);
    }
    /**
     * Method for make default card
     */
    public function makeDefault(Request $request,$slug){
        $cards      = Card::auth()->where('slug','!=', $slug)->get();
        if($cards->count() != 0){
            foreach($cards ?? [] as $card){
                try{
                    $card->update([
                        'default'    => false,
                    ]);
                }catch(Exception $e){
                    return back()->with(['error' => ['Something went wrong! Please try again.']]);
                }
            }
        }
        $card       = Card::auth()->where('slug',$slug)->first();
        if(!$card) return back()->with(['error' => ['Card not found!']]);
        try{
            $card->update([
                'default'   => true
            ]);
        }catch(Exception $e){
            return back()->with(['error' => ['Something went wrong! Please try again.']]);
        }
        return back()->with(['success' => ['Card status updated.']]);
    }
    /**
     * Method for delete card payment information
     * @param $slug
     * @param \Illuminate\Http\Request $request
     */
    public function delete($slug){
        $card   = Card::where('slug',$slug)->first();
        if(!$card) return back()->with(['error' => ['Sorry! Card not found.']]);
        try{
            $card->delete();
        }catch(Exception $e){
            return back()->with(['error' => ['Something went wrong! Please try again.']]);
        }
        return back()->with(['success' => ['Card method deleted successfully.']]);
    }
    /**
     * Method for search card payment data
     */
    public function search(Request $request){
        
        $validator      = Validator::make($request->all(),[
            'text'      => 'required'
        ]);
        if($validator->fails()) {
            $error = ['error' => $validator->errors()];
            return Response::error($error,null,400);
        }

        $validated = $validator->validate();
        
        $cards    = Card::auth()->search($validated['text'])->get();
        return view('user.components.card-table.card',compact('cards'));
    }
}
Save Card
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Save Your Card for Quick and Easy Future Payments Online

Simplify your payment experience by securely saving your card on our platform. After your initial transaction, you can choose to store your card details safely for future use. This feature eliminates the need to re-enter your payment information each time, making checkouts faster while keeping your data secure with advanced encryption and robust security measures.

  • Navigate to the “Save Card” section.
  • Click on “Add Card.”
  • Choose your preferred setup method.
  • Your card is now saved for future payments.
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