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<?php
/*
* This file is part of the Laravel Paystack package.
*
* (c) Prosper Otemuyiwa <prosperotemuyiwa@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Unicodeveloper\Paystack;
use GuzzleHttp\Client;
use Illuminate\Support\Facades\Config;
use Unicodeveloper\Paystack\Exceptions\IsNullException;
use Unicodeveloper\Paystack\Exceptions\PaymentVerificationFailedException;
class Paystack
{
/**
* Transaction Verification Successful
*/
const VS = 'Verification successful';
/**
* Invalid Transaction reference
*/
const ITF = "Invalid transaction reference";
/**
* Issue Secret Key from your Paystack Dashboard
* @var string
*/
protected $secretKey;
/**
* Instance of Client
* @var Client
*/
protected $client;
/**
* Response from requests made to Paystack
* @var mixed
*/
protected $response;
/**
* Paystack API base Url
* @var string
*/
protected $baseUrl;
/**
* Authorization Url - Paystack payment page
* @var string
*/
protected $authorizationUrl;
public function __construct()
{
$this->setKey();
$this->setBaseUrl();
$this->setRequestOptions();
}
/**
* Get Base Url from Paystack config file
*/
public function setBaseUrl()
{
$this->baseUrl = Config::get('paystack.paymentUrl');
}
/**
* Get secret key from Paystack config file
*/
public function setKey()
{
$this->secretKey = Config::get('paystack.secretKey');
}
/**
* Set options for making the Client request
*/
private function setRequestOptions()
{
$authBearer = 'Bearer ' . $this->secretKey;
$this->client = new Client(
[
'base_uri' => $this->baseUrl,
'headers' => [
'Authorization' => $authBearer,
'Content-Type' => 'application/json',
'Accept' => 'application/json'
]
]
);
}
/**
* Initiate a payment request to Paystack
* Included the option to pass the payload to this method for situations
* when the payload is built on the fly (not passed to the controller from a view)
* @return Paystack
*/
public function makePaymentRequest($data = null)
{
if ($data == null) {
$quantity = intval(request()->quantity ?? 1);
$data = array_filter([
"amount" => intval(request()->amount) * $quantity,
"reference" => request()->reference,
"email" => request()->email,
"plan" => request()->plan,
"first_name" => request()->first_name,
"last_name" => request()->last_name,
"callback_url" => request()->callback_url,
"currency" => (request()->currency != "" ? request()->currency : "NGN"),
/*
Paystack allows for transactions to be split into a subaccount -
The following lines trap the subaccount ID - as well as the ammount to charge the subaccount (if overriden in the form)
both values need to be entered within hidden input fields
*/
"subaccount" => request()->subaccount,
"transaction_charge" => request()->transaction_charge,
/**
* Paystack allows for transaction to be split into multi accounts(subaccounts)
* The following lines trap the split ID handling the split
* More details here: https://paystack.com/docs/payments/multi-split-payments/#using-transaction-splits-with-payments
*/
"split_code" => request()->split_code,
/**
* Paystack allows transaction to be split into multi account(subaccounts) on the fly without predefined split
* form need an input field: <input type="hidden" name="split" value="{{ json_encode($split) }}" >
* array must be set up as:
* $split = [
* "type" => "percentage",
* "currency" => "KES",
* "subaccounts" => [
* { "subaccount" => "ACCT_li4p6kte2dolodo", "share" => 10 },
* { "subaccount" => "ACCT_li4p6kte2dolodo", "share" => 30 },
* ],
* "bearer_type" => "all",
* "main_account_share" => 70,
* ]
* More details here: https://paystack.com/docs/payments/multi-split-payments/#dynamic-splits
*/
"split" => request()->split,
/*
* to allow use of metadata on Paystack dashboard and a means to return additional data back to redirect url
* form need an input field: <input type="hidden" name="metadata" value="{{ json_encode($array) }}" >
* array must be set up as:
* $array = [ 'custom_fields' => [
* ['display_name' => "Cart Id", "variable_name" => "cart_id", "value" => "2"],
* ['display_name' => "Sex", "variable_name" => "sex", "value" => "female"],
* .
* .
* .
* ]
* ]
*/
'metadata' => request()->metadata
]);
}
$this->setHttpResponse('/transaction/initialize', 'POST', $data);
return $this;
}
/**
* @param string $relativeUrl
* @param string $method
* @param array $body
* @return Paystack
* @throws IsNullException
*/
private function setHttpResponse($relativeUrl, $method, $body = [])
{
if (is_null($method)) {
throw new IsNullException("Empty method not allowed");
}
$this->response = $this->client->{strtolower($method)}(
$this->baseUrl . $relativeUrl,
["body" => json_encode($body)]
);
return $this;
}
/**
* Get the authorization url from the callback response
* @return Paystack
*/
public function getAuthorizationUrl($data = null)
{
$this->makePaymentRequest($data);
$this->url = $this->getResponse()['data']['authorization_url'];
return $this;
}
/**
* Get the authorization callback response
* In situations where Laravel serves as an backend for a detached UI, the api cannot redirect
* and might need to take different actions based on the success or not of the transaction
* @return array
*/
public function getAuthorizationResponse($data)
{
$this->makePaymentRequest($data);
$this->url = $this->getResponse()['data']['authorization_url'];
return $this->getResponse();
}
/**
* Hit Paystack Gateway to Verify that the transaction is valid
*/
private function verifyTransactionAtGateway($transaction_id = null)
{
$transactionRef = $transaction_id ?? request()->query('trxref');
$relativeUrl = "/transaction/verify/{$transactionRef}";
$this->response = $this->client->get($this->baseUrl . $relativeUrl, []);
}
/**
* True or false condition whether the transaction is verified
* @return boolean
*/
public function isTransactionVerificationValid($transaction_id = null)
{
$this->verifyTransactionAtGateway($transaction_id);
$result = $this->getResponse()['message'];
switch ($result) {
case self::VS:
$validate = true;
break;
case self::ITF:
$validate = false;
break;
default:
$validate = false;
break;
}
return $validate;
}
/**
* Get Payment details if the transaction was verified successfully
* @return json
* @throws PaymentVerificationFailedException
*/
public function getPaymentData()
{
if ($this->isTransactionVerificationValid()) {
return $this->getResponse();
} else {
throw new PaymentVerificationFailedException("Invalid Transaction Reference");
}
}
/**
* Fluent method to redirect to Paystack Payment Page
*/
public function redirectNow()
{
return redirect($this->url);
}
/**
* Get Access code from transaction callback respose
* @return string
*/
public function getAccessCode()
{
return $this->getResponse()['data']['access_code'];
}
/**
* Generate a Unique Transaction Reference
* @return string
*/
public function genTranxRef()
{
return TransRef::getHashedToken();
}
/**
* Get all the customers that have made transactions on your platform
* @return array
*/
public function getAllCustomers()
{
$this->setRequestOptions();
return $this->setHttpResponse("/customer", 'GET', [])->getData();
}
/**
* Get all the plans that you have on Paystack
* @return array
*/
public function getAllPlans()
{
$this->setRequestOptions();
return $this->setHttpResponse("/plan", 'GET', [])->getData();
}
/**
* Get all the transactions that have happened overtime
* @return array
*/
public function getAllTransactions()
{
$this->setRequestOptions();
return $this->setHttpResponse("/transaction", 'GET', [])->getData();
}
/**
* Get the whole response from a get operation
* @return array
*/
private function getResponse()
{
return json_decode($this->response->getBody(), true);
}
/**
* Get the data response from a get operation
* @return array
*/
private function getData()
{
return $this->getResponse()['data'];
}
/**
* Create a plan
*/
public function createPlan()
{
$data = [
"name" => request()->name,
"description" => request()->desc,
"amount" => intval(request()->amount),
"interval" => request()->interval,
"send_invoices" => request()->send_invoices,
"send_sms" => request()->send_sms,
"currency" => request()->currency,
];
$this->setRequestOptions();
return $this->setHttpResponse("/plan", 'POST', $data)->getResponse();
}
/**
* Fetch any plan based on its plan id or code
* @param $plan_code
* @return array
*/
public function fetchPlan($plan_code)
{
$this->setRequestOptions();
return $this->setHttpResponse('/plan/' . $plan_code, 'GET', [])->getResponse();
}
/**
* Update any plan's details based on its id or code
* @param $plan_code
* @return array
*/
public function updatePlan($plan_code)
{
$data = [
"name" => request()->name,
"description" => request()->desc,
"amount" => intval(request()->amount),
"interval" => request()->interval,
"send_invoices" => request()->send_invoices,
"send_sms" => request()->send_sms,
"currency" => request()->currency,
];
$this->setRequestOptions();
return $this->setHttpResponse('/plan/' . $plan_code, 'PUT', $data)->getResponse();
}
/**
* Create a customer
*/
public function createCustomer()
{
$data = [
"email" => request()->email,
"first_name" => request()->fname,
"last_name" => request()->lname,
"phone" => request()->phone,
"metadata" => request()->additional_info /* key => value pairs array */
];
$this->setRequestOptions();
return $this->setHttpResponse('/customer', 'POST', $data)->getResponse();
}
/**
* Fetch a customer based on id or code
* @param $customer_id
* @return array
*/
public function fetchCustomer($customer_id)
{
$this->setRequestOptions();
return $this->setHttpResponse('/customer/' . $customer_id, 'GET', [])->getResponse();
}
/**
* Update a customer's details based on their id or code
* @param $customer_id
* @return array
*/
public function updateCustomer($customer_id)
{
$data = [
"email" => request()->email,
"first_name" => request()->fname,
"last_name" => request()->lname,
"phone" => request()->phone,
"metadata" => request()->additional_info /* key => value pairs array */
];
$this->setRequestOptions();
return $this->setHttpResponse('/customer/' . $customer_id, 'PUT', $data)->getResponse();
}
/**
* Export transactions in .CSV
* @return array
*/
public function exportTransactions()
{
$data = [
"from" => request()->from,
"to" => request()->to,
'settled' => request()->settled
];
$this->setRequestOptions();
return $this->setHttpResponse('/transaction/export', 'GET', $data)->getResponse();
}
/**
* Create a subscription to a plan from a customer.
*/
public function createSubscription()
{
$data = [
"customer" => request()->customer, //Customer email or code
"plan" => request()->plan,
"authorization" => request()->authorization_code
];
$this->setRequestOptions();
return $this->setHttpResponse('/subscription', 'POST', $data)->getResponse();
}
/**
* Get all the subscriptions made on Paystack.
*
* @return array
*/
public function getAllSubscriptions()
{
$this->setRequestOptions();
return $this->setHttpResponse("/subscription", 'GET', [])->getData();
}
/**
* Get customer subscriptions
*
* @param integer $customer_id
* @return array
*/
public function getCustomerSubscriptions($customer_id)
{
$this->setRequestOptions();
return $this->setHttpResponse('/subscription?customer=' . $customer_id, 'GET', [])->getData();
}
/**
* Get plan subscriptions
*
* @param integer $plan_id
* @return array
*/
public function getPlanSubscriptions($plan_id)
{
$this->setRequestOptions();
return $this->setHttpResponse('/subscription?plan=' . $plan_id, 'GET', [])->getData();
}
/**
* Enable a subscription using the subscription code and token
* @return array
*/
public function enableSubscription()
{
$data = [
"code" => request()->code,
"token" => request()->token,
];
$this->setRequestOptions();
return $this->setHttpResponse('/subscription/enable', 'POST', $data)->getResponse();
}
/**
* Disable a subscription using the subscription code and token
* @return array
*/
public function disableSubscription()
{
$data = [
"code" => request()->code,
"token" => request()->token,
];
$this->setRequestOptions();
return $this->setHttpResponse('/subscription/disable', 'POST', $data)->getResponse();
}
/**
* Fetch details about a certain subscription
* @param mixed $subscription_id
* @return array
*/
public function fetchSubscription($subscription_id)
{
$this->setRequestOptions();
return $this->setHttpResponse('/subscription/' . $subscription_id, 'GET', [])->getResponse();
}
/**
* Create pages you can share with users using the returned slug
*/
public function createPage()
{
$data = [
"name" => request()->name,
"description" => request()->description,
"amount" => request()->amount
];
$this->setRequestOptions();
return $this->setHttpResponse('/page', 'POST', $data)->getResponse();
}
/**
* Fetches all the pages the merchant has
* @return array
*/
public function getAllPages()
{
$this->setRequestOptions();
return $this->setHttpResponse('/page', 'GET', [])->getResponse();
}
/**
* Fetch details about a certain page using its id or slug
* @param mixed $page_id
* @return array
*/
public function fetchPage($page_id)
{
$this->setRequestOptions();
return $this->setHttpResponse('/page/' . $page_id, 'GET', [])->getResponse();
}
/**
* Update the details about a particular page
* @param $page_id
* @return array
*/
public function updatePage($page_id)
{
$data = [
"name" => request()->name,
"description" => request()->description,
"amount" => request()->amount
];
$this->setRequestOptions();
return $this->setHttpResponse('/page/' . $page_id, 'PUT', $data)->getResponse();
}
/**
* Creates a subaccount to be used for split payments . Required params are business_name , settlement_bank , account_number , percentage_charge
*
* @return array
*/
public function createSubAccount()
{
$data = [
"business_name" => request()->business_name,
"settlement_bank" => request()->settlement_bank,
"account_number" => request()->account_number,
"percentage_charge" => request()->percentage_charge,
"primary_contact_email" => request()->primary_contact_email,
"primary_contact_name" => request()->primary_contact_name,
"primary_contact_phone" => request()->primary_contact_phone,
"metadata" => request()->metadata,
'settlement_schedule' => request()->settlement_schedule
];
$this->setRequestOptions();
return $this->setHttpResponse('/subaccount', 'POST', array_filter($data))->getResponse();
}
/**
* Fetches details of a subaccount
* @param subaccount code
* @return array
*/
public function fetchSubAccount($subaccount_code)
{
$this->setRequestOptions();
return $this->setHttpResponse("/subaccount/{$subaccount_code}", "GET", [])->getResponse();
}
/**
* Lists all the subaccounts associated with the account
* @param $per_page - Specifies how many records to retrieve per page , $page - SPecifies exactly what page to retrieve
* @return array
*/
public function listSubAccounts($per_page, $page)
{
$this->setRequestOptions();
return $this->setHttpResponse("/subaccount/?perPage=" . (int) $per_page . "&page=" . (int) $page, "GET")->getResponse();
}
/**
* Updates a subaccount to be used for split payments . Required params are business_name , settlement_bank , account_number , percentage_charge
* @param subaccount code
* @return array
*/
public function updateSubAccount($subaccount_code)
{
$data = [
"business_name" => request()->business_name,
"settlement_bank" => request()->settlement_bank,
"account_number" => request()->account_number,
"percentage_charge" => request()->percentage_charge,
"description" => request()->description,
"primary_contact_email" => request()->primary_contact_email,
"primary_contact_name" => request()->primary_contact_name,
"primary_contact_phone" => request()->primary_contact_phone,
"metadata" => request()->metadata,
'settlement_schedule' => request()->settlement_schedule
];
$this->setRequestOptions();
return $this->setHttpResponse("/subaccount/{$subaccount_code}", "PUT", array_filter($data))->getResponse();
}
}
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