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<?php
namespace App\Libraries;
/*
PAYSTACK Library
Functions
-------------
1. get_banks()
2. create_transfer_receipt()
3. transfer()
4. finalize_transfer()
5. disable_otp()
6. disable_otp_finalize()
7. verify_transfer()
8. resolve_bank()
9. curl_request()
*/
class Paystack
{
private $secret_key, $key_id, $curl, $currency;
protected $url;
public $temp = array();
function __construct()
{
$settings = get_settings('payment_gateways_settings', true);
$this->key_id = (isset($settings['paystack_key'])) ? $settings['paystack_key'] : '';
$this->secret_key = (isset($settings['paystack_secret'])) ? $settings['paystack_secret'] : '';
$this->currency = (isset($settings['paystack_currency'])) ? $settings['paystack_currency'] : 'NGN';
$this->url = "https://api.paystack.co/";
}
public function get_credentials()
{
$this->temp['secret'] = $this->secret_key;
$this->temp['key'] = $this->key_id;
$this->temp['url'] = $this->url;
$this->temp['currency'] = $this->currency;
return $this->temp;
}
public function get_banks($slug = '')
{
$end_point = $this->url . "bank/" . $slug;
$method = "Get";
$banks = $this->curl_request($end_point, $method);
return $banks;
}
public function create_transfer_receipt($data)
{
$end_point = $this->url . "transferrecipient";
$method = "post";
$transfer = $this->curl_request($end_point, $method, $data);
return $transfer;
}
public function transfer($data)
{
$end_point = $this->url . "transfer";
$method = "post";
$transfer = $this->curl_request($end_point, $method, $data);
return $transfer;
}
public function finalize_transfer($data)
{
$end_point = $this->url . "transfer/finalize_transfer";
$method = "post";
$transfer = $this->curl_request($end_point, $method, $data);
return $transfer;
}
public function list_transfers($transfer_code = '')
{
$end_point = $this->url . "transfer";
$end_point .= (!empty($transfer_code)) ? "/" . $transfer_code : "";
$method = "get";
$transfer = $this->curl_request($end_point, $method);
return $transfer;
}
public function disable_otp()
{
$end_point = $this->url . "transfer/disable_otp";
$method = "post";
$transfer = $this->curl_request($end_point, $method);
return $transfer;
}
public function disable_otp_finalize($data)
{
$end_point = $this->url . "transfer/disable_otp_finalize";
$method = "post";
$transfer = $this->curl_request($end_point, $method, $data);
return $transfer;
}
public function verify_transfer($reference = '')
{
$end_point = $this->url . "transfer/verify";
$end_point .= (!empty($reference)) ? "/" . $reference : "";
$method = "get";
$transfer = $this->curl_request($end_point, $method);
return $transfer;
}
public function resolve_bank($data)
{
$end_point = $this->url . "bank/resolve";
$end_point .= (!empty($data)) ? "?account_number=" . $data['account_number'] . "&bank_code=" . $data['bank_code'] : "";
$method = "get";
$bank_details = $this->curl_request($end_point, $method);
return $bank_details;
}
public function verify_transation($reference = '')
{
$end_point = $this->url . "transaction/verify";
$end_point .= (!empty($reference)) ? "/" . $reference : "";
$method = "get";
$transfer = $this->curl_request($end_point, $method);
return $transfer;
}
public function refund($txn_id, $amount)
{
$amount = ($amount * 100);
$data = array(
'transaction' => $txn_id,
'amount' => $amount,
);
$url = $this->url . 'refund';
$method = 'POST';
$response = $this->curl_request($url, $method, $data);
if (isset($response['http_code']) && $response['http_code'] == '200') {
$res = json_decode($response['body'], true);
return $res;
} else {
return $response;
}
}
public function curl_request($end_point, $method, $data = array())
{
$this->curl = curl_init();
curl_setopt_array($this->curl, array(
CURLOPT_URL => $end_point,
CURLOPT_RETURNTRANSFER => true,
CURLOPT_CUSTOMREQUEST => strtoupper($method),
CURLOPT_POSTFIELDS => $data, /* example array('test_key' => 'test_value_1') */
CURLOPT_HTTPHEADER => array(
"Authorization: Bearer " . $this->secret_key
),
));
$response = curl_exec($this->curl);
curl_close($this->curl);
return $response;
}
}