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<?php
namespace Srmklive\PayPal\Traits;
use RuntimeException;
trait PayPalRequest
{
use PayPalHttpClient;
use PayPalAPI;
use PayPalExperienceContext;
/**
* PayPal API mode to be used.
*
* @var string
*/
public $mode;
/**
* PayPal access token.
*
* @var string
*/
protected $access_token;
/**
* PayPal API configuration.
*
* @var array
*/
private $config;
/**
* Default currency for PayPal.
*
* @var string
*/
protected $currency;
/**
* Additional options for PayPal API request.
*
* @var array
*/
protected $options;
/**
* Set limit to total records per API call.
*
* @var int
*/
protected $page_size = 20;
/**
* Set the current page for list resources API calls.
*
* @var bool
*/
protected $current_page = 1;
/**
* Toggle whether totals for list resources are returned after every API call.
*
* @var bool
*/
protected $show_totals = true;
/**
* Set PayPal API Credentials.
*
* @param array $credentials
*
* @throws \RuntimeException|\Exception
*/
public function setApiCredentials(array $credentials): void
{
if (empty($credentials)) {
$this->throwConfigurationException();
}
// Setting Default PayPal Mode If not set
$this->setApiEnvironment($credentials);
// Set API configuration for the PayPal provider
$this->setApiProviderConfiguration($credentials);
// Set default currency.
$this->setCurrency($credentials['currency']);
// Set Http Client configuration.
$this->setHttpClientConfiguration();
}
/**
* Function to set currency.
*
* @param string $currency
*
* @throws \RuntimeException
*
* @return \Srmklive\PayPal\Services\PayPal
*/
public function setCurrency(string $currency = 'USD'): \Srmklive\PayPal\Services\PayPal
{
$allowedCurrencies = ['AUD', 'BRL', 'CAD', 'CZK', 'DKK', 'EUR', 'HKD', 'HUF', 'ILS', 'INR', 'JPY', 'MYR', 'MXN', 'NOK', 'NZD', 'PHP', 'PLN', 'GBP', 'SGD', 'SEK', 'CHF', 'TWD', 'THB', 'USD', 'RUB', 'CNY'];
// Check if provided currency is valid.
if (!in_array($currency, $allowedCurrencies, true)) {
throw new RuntimeException('Currency is not supported by PayPal.');
}
$this->currency = $currency;
return $this;
}
/**
* Return the set currency.
*/
public function getCurrency(): string
{
return $this->currency;
}
/**
* Function to add request header.
*
* @param string $key
* @param string $value
*
* @return \Srmklive\PayPal\Services\PayPal
*/
public function setRequestHeader(string $key, string $value): \Srmklive\PayPal\Services\PayPal
{
$this->options['headers'][$key] = $value;
return $this;
}
/**
* Function to add multiple request headers.
*
* @param array $headers
*
* @return \Srmklive\PayPal\Services\PayPal
*/
public function setRequestHeaders(array $headers): \Srmklive\PayPal\Services\PayPal
{
foreach ($headers as $key=>$value) {
$this->setRequestHeader($key, $value);
}
return $this;
}
/**
* Return request options header.
*
* @param string $key
*
* @throws \RuntimeException
*
* @return string
*/
public function getRequestHeader(string $key): string
{
if (isset($this->options['headers'][$key])) {
return $this->options['headers'][$key];
}
throw new RuntimeException('Options header is not set.');
}
/**
* Function To Set PayPal API Configuration.
*
* @param array $config
*
* @throws \Exception
*/
private function setConfig(array $config): void
{
$api_config = empty($config) && function_exists('config') && !empty(config('paypal')) ?
config('paypal') : $config;
// Set Api Credentials
$this->setApiCredentials($api_config);
}
/**
* Set API environment to be used by PayPal.
*
* @param array $credentials
*/
private function setApiEnvironment(array $credentials): void
{
$this->mode = 'live';
if (!empty($credentials['mode'])) {
$this->setValidApiEnvironment($credentials['mode']);
} else {
$this->throwConfigurationException();
}
}
/**
* Validate & set the environment to be used by PayPal.
*
* @param string $mode
*/
private function setValidApiEnvironment(string $mode): void
{
$this->mode = !in_array($mode, ['sandbox', 'live']) ? 'live' : $mode;
}
/**
* Set configuration details for the provider.
*
* @param array $credentials
*
* @throws \Exception
*/
private function setApiProviderConfiguration(array $credentials): void
{
// Setting PayPal API Credentials
if (empty($credentials[$this->mode])) {
$this->throwConfigurationException();
}
$config_params = ['client_id', 'client_secret'];
foreach ($config_params as $item) {
if (empty($credentials[$this->mode][$item])) {
throw new RuntimeException("{$item} missing from the provided configuration. Please add your application {$item}.");
}
}
collect($credentials[$this->mode])->map(function ($value, $key) {
$this->config[$key] = $value;
});
$this->paymentAction = $credentials['payment_action'];
$this->locale = $credentials['locale'];
$this->setRequestHeader('Accept-Language', $this->locale);
$this->validateSSL = $credentials['validate_ssl'];
$this->setOptions($credentials);
}
/**
* @throws RuntimeException
*/
private function throwConfigurationException()
{
throw new RuntimeException('Invalid configuration provided. Please provide valid configuration for PayPal API. You can also refer to the documentation at https://srmklive.github.io/laravel-paypal/docs.html to setup correct configuration.');
}
/**
* @throws RuntimeException
*/
private function throwInvalidEvidenceFileException()
{
throw new RuntimeException('Invalid evidence file type provided.
1. The party can upload up to 50 MB of files per request.
2. Individual files must be smaller than 10 MB.
3. The supported file formats are JPG, JPEG, GIF, PNG, and PDF.
');
}
}