razor pay by link

razor-pay-by-link.php

<?php 
protected function pay_by_link($data)
    {
        $api = new \Razorpay\Api\Api(
            $this->getSetting('api_publishable_key'),
            $this->decryptSetting('api_secret_key')
        );

        $invoice = ($data['invoice']);
        $amount = $data['amount'] * 100;

        $link_array = array(
            'type' => 'link',
            'amount' => $amount,
            'currency' => $invoice->currency_name,
            'description' => 'For XYZ purpose',
            'customer' => array(),
            'callback_url' =>  site_url('haatch/payment_capture'), //http://localhost/dash/haatch/payment_capture
            'callback_method' => 'get',
        );

        if (is_client_logged_in()) {
            $contact                        = $this->ci->clients_model->get_contact(get_contact_user_id());
            $link_array['customer']['name'] = $contact->firstname . ' ' . $contact->lastname;
        } else {
            if (total_rows(db_prefix() . 'contacts', ['userid' => $invoice->clientid]) == 1) {

                $contact = $this->ci->clients_model->get_contact(get_primary_contact_user_id($invoice->clientid));

                if ($contact) {
                    $link_array['customer']['name']  = $contact->firstname . ' ' . $contact->lastname;
                }
            }
        }

        if (isset($contact)) {
            $link_array['customer']['email'] = $contact->email;
        }
        
        $link  = $api->invoice->create($link_array);

        //var_dump($link);
        //var_dump($link_array);
        //exit;

        $this->store_payment($invoice, $link);

        redirect($link->short_url);
    }