WPSC_Payment_Gateway_Paypal_Express_Checkout::process_refund()

Complexity

Conditions	13
Paths	12

Size

Total Lines	68
Code Lines	36

Duplication

Lines	0
Ratio	0 %

Importance

Changes

0

<?php
	public function process_refund( $order_id, $amount = 0.00, $reason = '', $manual = false ) {

		if ( 0.00 == $amount ) {
			return new WP_Error( 'paypal_refund_error', __( 'Refund Error: You need to specify a refund amount.', 'wp-e-commerce' ) );
		}

		$log = new WPSC_Purchase_Log( $order_id );

		if ( ! $log->get( 'transactid' ) ) {
			return new WP_Error( 'error', __( 'Refund Failed: No transaction ID', 'wp-e-commerce' ) );
		}

		$max_refund  = $log->get( 'totalprice' ) - $log->get_total_refunded();

		if ( $amount && $max_refund < $amount || 0 > $amount ) {
			throw new Exception( __( 'Invalid refund amount', 'wp-e-commerce' ) );
		}

		if ( $manual ) {
			$current_refund = $log->get_total_refunded();
			$log->set( 'total_order_refunded' , $amount + $current_refund )->save();

			wpsc_purchlogs_update_notes( absint( $order_id ), sprintf( __( 'Refunded %s via Manual Refund', 'wp-e-commerce' ), $amount ) );

			return true;
		}

		// If refund is full amount is not needed
		// add refund params
		$options = array(
			'transaction_id' => $log->get( 'transactid' ),
			'invoice'        => $log->get( 'sessionid' ),
			'note'           => $reason,
		);

		if( $amount && $amount <= $log->get_remaining_refund() ) {
			$options['refund_type'] = 'Partial';
			$options['amount']      = $amount;
		} else {
			$options['refund_type'] = 'Full';
		}

		// do API call
		$response = $this->gateway->credit( $options );

		// look at ACK to see if success or failure
		if ( $response->has_errors() ) {
			// WE could use $response->get_errors() and return the errors in an alert message ?
			return false;
		}

		if ( $response->is_successful() ) {
			$params = $response->get_params();
			if ( 'Success' == $params['ACK'] || 'SuccessWithWarning' == $params['ACK'] ) {

				$this->log_error( $response );
				// Set a log meta entry
				$current_refund = $log->get_total_refunded();
				$log->set( 'total_order_refunded' , $amount + $current_refund )->save();

				wpsc_purchlogs_update_notes( absint( $order_id ), sprintf( __( 'Refunded %s - Refund ID: %s', 'wp-e-commerce' ), $params['GROSSREFUNDAMT'], $params['REFUNDTRANSACTIONID'] ) );

				return true;
			}
		} else {
			return false;
		}
	}
}