Stripe payment gateway intergation issue in php codeigniter

(function() {
  'use strict';

  $('[data-toggle="popover"]').popover()

  window.addEventListener('load', function() {
    // Fetch all the forms we want to apply custom Bootstrap validation styles to
    var forms = document.getElementsByClassName('needs-validation');

    // Loop over them and prevent submission
    var validation = Array.prototype.filter.call(forms, function(form) {
      form.addEventListener('submit', function(event) {
        if (form.checkValidity() === false) {
          event.preventDefault();
          event.stopPropagation();
        } else {
          event.preventDefault();

          $.blockUI({
            css: {
              border: 'none',
              padding: '15px',
              backgroundColor: '#000',
              '-webkit-border-radius': '10px',
              '-moz-border-radius': '10px',
              opacity: .5,
              color: '#fff'
            }
          });

          // createToken returns immediately - the supplied callback submits the form if there are no errors
          Stripe.card.createToken({
            number: $('.cc-number').val(),
            cvc: $('.cc-cvc').val(),
            exp_month: $('.cc-month').val(),
            exp_year: $('.cc-year').val(),
            name: $('.cc-name').val(),
          }, stripeResponseHandler);

          $.unblockUI();

          return false; // submit from callback
        }
        form.classList.add('was-validated');
      }, false);
    });

  }, false);
})();





window.appFilePath = '<?php echo base_url(); ?>';
var stripeForm = $('.needs-validation');

// this identifies your website in the createToken call below
Stripe.setPublishableKey(stripeForm.data('stripe-publishable-key'));

function stripeResponseHandler(status, response) {

  var stripeError = $('.alert-danger');
  var stripeSuccess = $('.alert-success');

  if (response.error) {

    stripeError.show().delay(3000).fadeOut();
    $('#errorMsg').text(response.error.message);

  } else {

    var token = response['id'];
    stripeForm.append("<input type='hidden' name='stripeToken' value='" + token + "' />");
    var dataPost = [];
    dataPost.push({
      name: 'vid',
      value: '<?=$this->session->userdata('
      id ')?>'
    });
    dataPost.push({
      name: 'plan',
      value: '<?=$_POST['
      plan ']?>'
    });
    dataPost.push({
      name: 'planamount',
      value: '<?=$_POST['
      amount ']?>'
    });
    dataPost.push({
      name: 'pid',
      value: '<?=$_POST['
      pid ']?>'
    });

    var dataPost = stripeForm.serializeArray();

    $.post(appFilePath + "home/stripePost", dataPost, function(response) {
      $.unblockUI();

      if (response.success) {
        stripeForm[0].reset();
        stripeSuccess.show().delay(3000).fadeOut();
        $('#successMsg').text(response.message);

        // Redirect to success page after showing success message
        setTimeout(function() {
          window.location.href = '<?php echo site_url("home/success"); ?>';
        }, 2000);
      } else {
        stripeError.show().delay(3000).fadeOut();
        $('#errorMsg').text(response.message);
      }
    }, "json").fail(function(xhr, textStatus, errorThrown) {
      // Log the error details to the console
      console.error("AJAX Request Failed:", textStatus, errorThrown);
    });


  }
}

// only numbers are allowed
$(".number").keydown(function(e) {
  // Allow: backspace, delete, tab, escape, enter and .
  if ($.inArray(e.keyCode, [46, 8, 9, 27, 13, 110, 190]) !== -1 ||
    // Allow: Ctrl+v, Command+V
    (e.keyCode == 118 && (e.ctrlKey === true || e.metaKey === true)) ||

    // Allow: Ctrl+V, Command+V
    (e.keyCode == 86 && (e.ctrlKey === true || e.metaKey === true)) ||

    // Allow: Ctrl+A, Command+V
    ((e.keyCode == 65 || e.keyCode == 97 || e.keyCode == 103 || e.keyCode == 99 || e.keyCode == 88 || e.keyCode == 120) && (e.ctrlKey === true || e.metaKey === true)) ||

    // Allow: home, end, left, right, down, up
    (e.keyCode >= 35 && e.keyCode <= 40)) {
    // let it happen, don't do anything
    return;
  }
  // Ensure that it is a number and stop the keypress
  if ((e.shiftKey || (e.keyCode < 48 || e.keyCode > 57)) && (e.keyCode < 96 || e.keyCode > 105)) {
    e.preventDefault();
  }
});

  public function stripePost()
    {
        //include Stripe PHP library
        require_once APPPATH.'third_party/stripe-php/init.php';

        StripeStripe::setApiKey($this->config->item('stripe_secret'));

        $message = null;
        $success = false;
        $charge = null;
        $err = null;
        $data = [];

        try {

            //Creates timestamp that is needed to make up orderid
            $timestamp = strftime('%Y%m%d%H%M%S');
            //You can use any alphanumeric combination for the orderid. Although each transaction must have a unique orderid.
            $orderid = $timestamp.'-'.mt_rand(1, 999);

            //charge a credit or a debit card
            $charge = StripeCharge::create([
                'amount'      => $this->input->post('amount') * 100,
                'currency'    => 'usd',
                'source'      => $this->input->post('stripeToken'),
                'description' => 'UpkeeProperties Plan PAYMENT',
                'metadata'    => [
                    'order_id' => $orderid,
                ],
            ]);
        } catch (StripeErrorCard $e) {
            // Since it's a decline, StripeErrorCard will be caught
            $body = $e->getJsonBody();
            $err = $body['error'];

            /* print('Status is:' . $e->getHttpStatus() . "n");
            print('Type is:' . $err['type'] . "n");
            print('Code is:' . $err['code'] . "n");

            // param is '' in this case
            print('Param is:' . $err['param'] . "n");
            print('Message is:' . $err['message'] . "n"); */

            $message = $err['message'];
        } catch (StripeErrorRateLimit $e) {
            // Too many requests made to the API too quickly
        } catch (StripeErrorInvalidRequest $e) {
            // Invalid parameters were supplied to Stripe's API
        } catch (StripeErrorAuthentication $e) {
            // Authentication with Stripe's API failed
            // (maybe you changed API keys recently)
        } catch (StripeErrorApiConnection $e) {
            // Network communication with Stripe failed
        } catch (StripeErrorBase $e) {
            // Display a very generic error to the user, and maybe send
            // yourself an email
        } catch (Exception $e) {
            // Something else happened, completely unrelated to Stripe
        }

        if ($charge) {
            //retrieve charge details
            $chargeJson = $charge->jsonSerialize();

            //check whether the charge is successful
            if ($chargeJson['amount_refunded'] == 0 && empty($chargeJson['failure_code']) && $chargeJson['paid'] == 1 && $chargeJson['captured'] == 1) {

                // insert response into db
                $this->product->response = json_encode($chargeJson);
                    $this->product->amount = $this->session->flashdata('planamount');
                $this->product->plan = $this->session->flashdata('plan');
                $this->product->vid = $this->session->flashdata('vid');
                $this->product->pid = $this->session->flashdata('pid');
                $this->product->dater = date('Y-m-d');
                $this->product->status = TRANS_SUCCESS;
                $this->product->insert_transaction();

                $data = [
                    'balance_transaction' => $chargeJson['balance_transaction'],
                    'receipt_url'         => $chargeJson['receipt_url'],
                    'order_id'            => $orderid,
                ];

                $success = true;
                $message = 'Payment made successfully.';
            } else {

                // insert response into db
                 $this->product->response = json_encode($chargeJson);
               $this->product->amount = $this->session->flashdata('planamount');
                $this->product->plan = $this->session->flashdata('plan');
                $this->product->vid = $this->session->flashdata('vid');
                $this->product->pid = $this->session->flashdata('pid');
                $this->product->dater = date('Y-m-d');
                $this->product->status = TRANS_FAIL;
                $this->product->insert_transaction();

                $success = true;
                $message = 'Something went wrong.';
            }
        }

        if ($success) {
            echo json_encode(['success' => $success, 'message' => $message, 'data' => $data]);
        } else {
            // insert response into db
            $this->product->response = json_encode($err);
            $this->product->status = TRANS_FAIL;
            $this->product->insert_transaction();

            echo json_encode(['success' => $success, 'message' => $message, 'data' => $data]);
        }
    }