paypal-standard.php ➔ give_process_paypal_purchase()

Complexity

Conditions	13
Paths	116

Size

Total Lines	131
Code Lines	76

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	182

Importance

Changes	2
Bugs	0	Features	1

<?php
function give_process_paypal_purchase( $purchase_data ) {

	if ( ! wp_verify_nonce( $purchase_data['gateway_nonce'], 'give-gateway' ) ) {
		wp_die( __( 'Nonce verification has failed', 'give' ), __( 'Error', 'give' ), array( 'response' => 403 ) );
	}

	$form_id = intval( $purchase_data['post_data']['give-form-id'] );
	$price_id = isset($purchase_data['post_data']['give-price-id']) ? $purchase_data['post_data']['give-price-id'] : '';
	
	// Collect payment data
	$payment_data = array(
		'price'           => $purchase_data['price'],
		'give_form_title' => $purchase_data['post_data']['give-form-title'],
		'give_form_id'    => $form_id,
		'give_price_id'   => $price_id,
		'date'            => $purchase_data['date'],
		'user_email'      => $purchase_data['user_email'],
		'purchase_key'    => $purchase_data['purchase_key'],
		'currency'        => give_get_currency(),
		'user_info'       => $purchase_data['user_info'],
		'status'          => 'pending',
		'gateway'         => 'paypal'
	);

	// Record the pending payment
	$payment = give_insert_payment( $payment_data );

	// Check payment
	if ( ! $payment ) {

The expression $payment of type false|integer is loosely compared to false; this is ambiguous if the integer can be zero. You might want to explicitly use === null instead.

		// Record the error
		give_record_gateway_error( __( 'Payment Error', 'give' ), sprintf( __( 'Payment creation failed before sending buyer to PayPal. Payment data: %s', 'give' ), json_encode( $payment_data ) ), $payment );
		// Problems? send back
		give_send_back_to_checkout( '?payment-mode=' . $purchase_data['post_data']['give-gateway'] );
	} else {
		// Only send to PayPal if the pending payment is created successfully
		$listener_url = add_query_arg( 'give-listener', 'IPN', home_url( 'index.php' ) );

		// Get the success url
		$return_url = add_query_arg( array(
			'payment-confirmation' => 'paypal',
			'payment-id'           => $payment

		), get_permalink( give_get_option( 'success_page' ) ) );

		// Get the PayPal redirect uri
		$paypal_redirect = trailingslashit( give_get_paypal_redirect() ) . '?';

		//Item name - pass level name if variable priced
		$item_name = $purchase_data['post_data']['give-form-title'];

		//Verify has variable prices
		if ( give_has_variable_prices( $form_id ) && isset( $purchase_data['post_data']['give-price-id'] ) ) {

			$item_price_level_text = give_get_price_option_name( $form_id, $purchase_data['post_data']['give-price-id'] );

			$price_level_amount = give_get_price_option_amount( $form_id, $purchase_data['post_data']['give-price-id'] );

			//Donation given doesn't match selected level (must be a custom amount)
			if ( $price_level_amount != give_sanitize_amount( $purchase_data['price'] ) ) {
				$custom_amount_text = get_post_meta( $form_id, '_give_custom_amount_text', true );
				//user custom amount text if any, fallback to default if not
				$item_name .= ' - ' . ( ! empty( $custom_amount_text ) ? $custom_amount_text : __( 'Custom Amount', 'give' ) );

			} //Is there any donation level text?
			elseif ( ! empty( $item_price_level_text ) ) {
				$item_name .= ' - ' . $item_price_level_text;
			}

		} //Single donation: Custom Amount
		elseif ( give_get_form_price( $form_id ) !== give_sanitize_amount( $purchase_data['price'] ) ) {
			$custom_amount_text = get_post_meta( $form_id, '_give_custom_amount_text', true );
			//user custom amount text if any, fallback to default if not
			$item_name .= ' - ' . ( ! empty( $custom_amount_text ) ? $custom_amount_text : __( 'Custom Amount', 'give' ) );
		}

		// Setup PayPal arguments
		$paypal_args = array(
			'business'      => give_get_option( 'paypal_email', false ),
			'email'         => $purchase_data['user_email'],
			'invoice'       => $purchase_data['purchase_key'],
			'amount'        => $purchase_data['price'],
			// The all important donation amount
			'item_name'     => $item_name,
			// "Purpose" field pre-populated with Form Title
			'no_shipping'   => '1',
			'shipping'      => '0',
			'no_note'       => '1',
			'currency_code' => give_get_currency(),
			'charset'       => get_bloginfo( 'charset' ),
			'custom'        => $payment,
			'rm'            => '2',
			'return'        => $return_url,
			'cancel_return' => give_get_failed_transaction_uri( '?payment-id=' . $payment ),
			'notify_url'    => $listener_url,
			'page_style'    => give_get_paypal_page_style(),
			'cbt'           => get_bloginfo( 'name' ),
			'bn'            => 'givewp_SP'
		);

		if ( ! empty( $purchase_data['user_info']['address'] ) ) {
			$paypal_args['address1'] = $purchase_data['user_info']['address']['line1'];
			$paypal_args['address2'] = $purchase_data['user_info']['address']['line2'];
			$paypal_args['city']     = $purchase_data['user_info']['address']['city'];
			$paypal_args['country']  = $purchase_data['user_info']['address']['country'];
		}

		if ( give_get_option( 'paypal_button_type' ) === 'standard' ) {
			$paypal_extra_args = array(
				'cmd' => '_xclick',
			);
		} else {
			$paypal_extra_args = array(
				'cmd' => '_donations',
			);
		}

		$paypal_args = array_merge( $paypal_extra_args, $paypal_args );
		$paypal_args = apply_filters( 'give_paypal_redirect_args', $paypal_args, $purchase_data );

		// Build query
		$paypal_redirect .= http_build_query( $paypal_args );

		// Fix for some sites that encode the entities
		$paypal_redirect = str_replace( '&', '&', $paypal_redirect );

		// Redirect to PayPal
		wp_redirect( $paypal_redirect );
		exit;

The function give_process_paypal_purchase() contains an exit expression.

	}

}