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Created WC_Pagarme_API class and removed WooCommerce 2.0.x support
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@claudiosanches
claudiosanches committed Jan 25, 2015
1 parent a0e5d65 commit b3e21e7
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344 changes: 344 additions & 0 deletions includes/class-wc-pagarme-api.php
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<?php

if ( ! defined( 'ABSPATH' ) ) {
exit; // Exit if accessed directly
}

/**
* WC Pagar.me API.
*/
class WC_Pagarme_API {

/**
* API URL.
*/
const API_URL = 'https://api.pagar.me/1/';

/**
* Gateway class.
*
* @var WC_Pagarme_Gateway
*/
protected $gateway;

/**
* API URL.
*
* @var string
*/
protected $api_url = 'https://api.pagar.me/1/';

/**
* JS Library URL.
*
* @var string
*/
protected $js_url = 'https://pagar.me/assets/pagarme-v2.min.js';

/**
* Constructor.
*
* @param WC_PagSeguro_Gateway $gateway
*/
public function __construct( $gateway = null ) {
$this->gateway = $gateway;
}

/**
* Get API URL.
*
* @return string
*/
public function get_api_url() {
return $this->api_url;
}

/**
* Get JS Library URL.
*
* @return string
*/
public function get_js_url() {
return $this->js_url;
}

/**
* Only numbers.
*
* @param string|int $string
*
* @return string|int
*/
protected function only_numbers( $string ) {
return preg_replace( '([^0-9])', '', $string );
}

/**
* Get the smallest installment amount.
*
* @return int
*/
public function get_smallest_installment() {
return ( 5 > $this->gateway->smallest_installment ) ? 500 : wc_format_decimal( $this->gateway->smallest_installment ) * 100;
}

/**
* Get the interest rate.
*
* @return float
*/
public function get_interest_rate() {
return wc_format_decimal( $this->gateway->interest_rate );
}

/**
* Do requests in the Pagar.me API.
*
* @param string $endpoint API Endpoint.
* @param string $method Request method.
* @param array $data Request data.
* @param array $headers Request headers.
*
* @return array Request response.
*/
protected function do_request( $endpoint, $method = 'POST', $data = array(), $headers = array() ) {
$params = array(
'method' => $method,
'sslverify' => false,
'timeout' => 60
);

if ( ! empty( $data ) ) {
$params['body'] = $data;
}

if ( ! empty( $headers ) ) {
$params['headers'] = $headers;
}

return wp_remote_post( $this->get_api_url() . $endpoint, $params );
}

/**
* Get the installments.
*
* @param float $amount
*
* @return array
*/
public function get_installments( $amount ) {
// Set the installment data.
$data = http_build_query( array(
'encryption_key' => $this->gateway->encryption_key,
'amount' => $amount * 100,
'interest_rate' => $this->get_interest_rate(),
'max_installments' => $this->gateway->max_installment,
'free_installments' => $this->gateway->free_installments
) );

error_log( print_r( array(
'encryption_key' => $this->gateway->encryption_key,
'amount' => $amount * 100,
'interest_rate' => $this->get_interest_rate(),
'max_installments' => $this->gateway->max_installment,
'free_installments' => $this->gateway->free_installments
), true ) );

// Get saved installment data.
$_installments = get_transient( 'pgi_' . md5( $data ) );

if ( false !== $_installments ) {
return $_installments;
}

// Sets the post params.
$params = array(
'body' => $data,
'sslverify' => false,
'timeout' => 60
);

if ( 'yes' == $this->gateway->debug ) {
$this->gateway->log->add( $this->gateway->id, 'Getting the order installments...' );
}

$response = $this->do_request( 'transactions/calculate_installments_amount', 'GET', $data );

if ( is_wp_error( $response ) ) {
if ( 'yes' == $this->gateway->debug ) {
$this->gateway->log->add( $this->gateway->id, 'WP_Error in getting the installments: ' . $response->get_error_message() );
}

return array();
} else {
$_installments = json_decode( $response['body'], true );

if ( isset( $_installments['installments'] ) ) {
$installments = $_installments['installments'];

if ( 'yes' == $this->gateway->debug ) {
$this->gateway->log->add( $this->gateway->id, 'Installments generated successfully: ' . print_r( $_installments, true ) );
}

set_transient( 'pgi_' . md5( $data ), $installments, MINUTE_IN_SECONDS * 5 );

return $installments;
}
}

if ( 'yes' == $this->gateway->debug ) {
$this->gateway->log->add( $this->gateway->id, 'Failed to get the installments: ' . print_r( $response, true ) );
}

return array();
}


/**
* Generate the transaction data.
*
* @param WC_Order $order Order data.
* @param array $posted Form posted data.
*
* @return array Transaction data.
*/
public function generate_transaction_data( $order, $posted ) {
// Set the request data.
$wcbcf_settings = get_option( 'wcbcf_settings' );
$phone = $this->only_numbers( $order->billing_phone );
$data = array(
'api_key' => $this->gateway->api_key,
'amount' => $order->order_total * 100,
'postback_url' => WC()->api_request_url( 'WC_Pagarme_Gateway' ),
'customer' => array(
'name' => $order->billing_first_name . ' ' . $order->billing_last_name,
'email' => $order->billing_email,
'address' => array(
'street' => $order->billing_address_1,
'street_number' => $order->billing_number,
'complementary' => $order->billing_address_2,
'neighborhood' => $order->billing_neighborhood,
'zipcode' => $this->only_numbers( $order->billing_postcode )
),
'phone' => array(
'ddd' => substr( $phone, 0, 2 ),
'number' => substr( $phone, 2 )
)
)
);

// Set the document number.
if ( 0 != $wcbcf_settings['person_type'] ) {
if ( ( 1 == $wcbcf_settings['person_type'] && 1 == $order->billing_persontype ) || 2 == $wcbcf_settings['person_type'] ) {
$data['customer']['document_number'] = $this->only_numbers( $order->billing_cpf );
}

if ( ( 1 == $wcbcf_settings['person_type'] && 2 == $order->billing_persontype ) || 3 == $wcbcf_settings['person_type'] ) {
$data['customer']['name'] = $order->billing_company;
$data['customer']['document_number'] = $this->only_numbers( $order->billing_cnpj );
}
}

// Set the customer gender.
if ( isset( $order->billing_sex ) && ! empty( $order->billing_sex ) ) {
$data['customer']['sex'] = strtoupper( substr( $order->billing_sex, 0, 1 ) );
}

// Set the customer birthdate.
if ( isset( $order->billing_birthdate ) && ! empty( $order->billing_birthdate ) ) {
$birthdate = explode( '/', $order->billing_birthdate );

$data['customer']['born_at'] = $birthdate[1] . '-' . $birthdate[0] . '-' . $birthdate[2];
}

if ( in_array( $this->gateway->methods, array( 'all', 'credit' ) ) && 'credit-card' == $posted[ 'pagarme_payment_method' ] ) {
if ( isset( $posted[ 'pagarme_card_hash' ] ) ) {
$data['payment_method'] = 'credit_card';
$data['card_hash'] = $posted[ 'pagarme_card_hash' ];
}

// Validate the installments.
if ( isset( $posted[ 'pagarme_installments' ] ) ) {
$_installment = $posted[ 'pagarme_installments' ];

// Get installments data.
$installments = $this->get_installments( $order->order_total );
if ( isset( $installments[ $_installment ] ) ) {
$installment = $installments[ $_installment ];
$smallest_installment = $this->get_smallest_installment();

if ( $installment['installment'] <= $this->gateway->max_installment && $smallest_installment <= $installment['installment_amount'] ) {
$data['installments'] = $installment['installment'];
$data['amount'] = $installment['amount'];
}
}
}
} elseif ( in_array( $this->gateway->methods, array( 'all', 'ticket' ) ) && 'banking-ticket' == $posted[ 'pagarme_payment_method' ] ) {
$data['payment_method'] = 'boleto';
}

// Add filter for Third Party plugins.
$data = apply_filters( 'wc_pagarme_transaction_data', $data );

return $data;
}

/**
* Do the transaction.
*
* @param WC_Order $order Order data.
* @param array $data Transaction data.
*
* @return array Response data.
*/
public function do_transaction( $order, $data ) {
if ( 'yes' == $this->gateway->debug ) {
$this->gateway->log->add( $this->gateway->id, 'Doing a transaction for order ' . $order->get_order_number() . '...' );
}

$response = $this->do_request( 'transactions', 'POST', http_build_query( $data ) );

if ( is_wp_error( $response ) ) {
if ( 'yes' == $this->gateway->debug ) {
$this->gateway->log->add( $this->gateway->id, 'WP_Error in doing the transaction: ' . $response->get_error_message() );
}

return array();
} else {
$transaction_data = json_decode( $response['body'], true );

if ( isset( $transaction_data['errors'] ) ) {
if ( 'yes' == $this->gateway->debug ) {
$this->gateway->log->add( $this->gateway->id, 'Failed to make the transaction: ' . print_r( $response, true ) );
}

return $transaction_data;
}

if ( 'yes' == $this->gateway->debug ) {
$this->gateway->log->add( $this->gateway->id, 'Transaction completed successfully! The transaction response is: ' . print_r( $transaction_data, true ) );
}

return $transaction_data;
}
}

/**
* Check if Pagar.me response is validity.
*
* @param array $ipn_response IPN response data.
*
* @return bool
*/
public function check_fingerprint( $ipn_response ) {
if ( isset( $ipn_response['id'] ) && isset( $ipn_response['current_status'] ) && isset( $ipn_response['fingerprint'] ) ) {
$fingerprint = sha1( $ipn_response['id'] . '#' . $this->gateway->api_key );

if ( $fingerprint === $ipn_response['fingerprint'] ) {
return true;
}
}

return false;
}
}
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