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<?php |
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/** |
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* Contains the Main Checkout Class. |
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* |
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*/ |
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defined( 'ABSPATH' ) || exit; |
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/** |
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* Main Checkout Class. |
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* |
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*/ |
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class GetPaid_Checkout { |
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/** |
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* @var GetPaid_Payment_Form_Submission |
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*/ |
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protected $payment_form_submission; |
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/** |
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* Class constructor. |
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* |
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* @param GetPaid_Payment_Form_Submission $submission |
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*/ |
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public function __construct( $submission ) { |
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$this->payment_form_submission = $submission; |
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} |
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/** |
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* Processes the checkout. |
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* |
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*/ |
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public function process_checkout() { |
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// Validate the submission. |
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$this->validate_submission(); |
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// Get the items and invoice. |
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$items = $this->get_submission_items(); |
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$invoice = $this->get_submission_invoice(); |
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$invoice = $this->process_submission_invoice( $invoice, $items ); |
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$prepared = $this->prepare_submission_data_for_saving( $invoice ); |
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// Save the invoice. |
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$invoice->recalculate_total(); |
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$invoice->save(); |
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// Send to the gateway. |
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$this->post_process_submission( $invoice, $prepared ); |
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} |
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/** |
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* Validates the submission. |
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* |
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*/ |
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protected function validate_submission() { |
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$submission = $this->payment_form_submission; |
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$data = $submission->get_data(); |
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// Do we have an error? |
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if ( ! empty( $submission->last_error ) ) { |
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wp_send_json_error( $submission->last_error ); |
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} |
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// We need a billing email. |
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if ( ! $submission->has_billing_email() || ! is_email( $submission->get_billing_email() ) ) { |
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wp_send_json_error( __( 'Provide a valid billing email.', 'invoicing' ) ); |
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} |
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// Non-recurring gateways should not be allowed to process recurring invoices. |
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if ( $submission->has_recurring && ! wpinv_gateway_support_subscription( $data['wpi-gateway'] ) ) { |
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wp_send_json_error( __( 'The selected payment gateway does not support subscription payment.', 'invoicing' ) ); |
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} |
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// Ensure the gateway is active. |
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if ( ! wpinv_is_gateway_active( $data['wpi-gateway'] ) ) { |
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wpinv_set_error( 'invalid_gateway', __( 'The selected payment gateway is not active', 'invoicing' ) ); |
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} |
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// Clear any existing errors. |
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wpinv_clear_errors(); |
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// Allow themes and plugins to hook to errors |
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do_action( 'getpaid_checkout_error_checks', $submission ); |
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// Do we have any errors? |
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if ( wpinv_get_errors() ) { |
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wp_send_json_error( getpaid_get_errors_html() ); |
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} |
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} |
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/** |
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* Retrieves submission items. |
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* |
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* @return GetPaid_Form_Item[] |
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*/ |
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protected function get_submission_items() { |
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$items = $this->payment_form_submission->get_items(); |
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// Ensure that we have items. |
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if ( empty( $items ) && 0 == count( $this->payment_form_submission->get_fees() ) ) { |
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wp_send_json_error( __( 'Please select at least one item.', 'invoicing' ) ); |
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} |
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return $items; |
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} |
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/** |
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* Retrieves submission invoice. |
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* |
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* @return WPInv_Invoice |
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*/ |
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protected function get_submission_invoice() { |
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$submission = $this->payment_form_submission; |
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if ( ! $submission->has_invoice() ) { |
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return new WPInv_Invoice(); |
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} |
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$invoice = $submission->get_invoice(); |
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// Make sure that it is neither paid or refunded. |
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if ( $invoice->is_paid() || $invoice->is_refunded() ) { |
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wp_send_json_error( __( 'This invoice has already been paid for.', 'invoicing' ) ); |
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} |
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return $invoice; |
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} |
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/** |
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* Processes the submission invoice. |
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* |
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* @param WPInv_Invoice $invoice |
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* @param GetPaid_Form_Item[] $items |
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* @return WPInv_Invoice |
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*/ |
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protected function process_submission_invoice( $invoice, $items ) { |
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$submission = $this->payment_form_submission; |
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$data = $submission->get_data(); |
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// Set-up the invoice details. |
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$invoice->set_email( sanitize_email( $submission->get_billing_email() ) ); |
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$invoice->set_user_id( $this->get_submission_customer() ); |
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$invoice->set_payment_form( absint( $submission->get_payment_form()->get_id() ) ); |
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$invoice->set_items( $items ); |
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$invoice->set_fees( $submission->get_fees() ); |
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$invoice->set_taxes( $submission->get_taxes() ); |
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$invoice->set_discounts( $submission->get_discounts() ); |
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$invoice->set_gateway( $data['wpi-gateway'] ); |
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if ( $submission->has_discount_code() ) { |
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$invoice->set_discount_code( $submission->get_discount_code() ); |
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} |
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getpaid_maybe_add_default_address( $invoice ); |
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return $invoice; |
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} |
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/** |
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* Retrieves the submission's customer. |
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* |
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* @return int The customer id. |
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*/ |
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protected function get_submission_customer() { |
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$submission = $this->payment_form_submission; |
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// If this is an existing invoice... |
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if ( $submission->has_invoice() ) { |
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return $submission->get_invoice()->get_user_id(); |
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} |
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// (Maybe) create the user. |
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$user = get_current_user_id(); |
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if ( empty( $user ) ) { |
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$user = get_user_by( 'email', $submission->get_billing_email() ); |
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} |
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if ( empty( $user ) ) { |
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$user = wpinv_create_user( $submission->get_billing_email() ); |
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} |
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if ( is_wp_error( $user ) ) { |
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wp_send_json_error( $user->get_error_message() ); |
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} |
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if ( is_numeric( $user ) ) { |
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return $user; |
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} |
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return $user->ID; |
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} |
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/** |
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* Prepares submission data for saving to the database. |
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* |
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* @param WPInv_Invoice $invoice |
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*/ |
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public function prepare_submission_data_for_saving( &$invoice ) { |
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$submission = $this->payment_form_submission; |
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// Prepared submission details. |
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$prepared = array(); |
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// Raw submission details. |
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$data = $submission->get_data(); |
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// Loop throught the submitted details. |
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foreach ( $submission->get_payment_form()->get_elements() as $field ) { |
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// Skip premade fields. |
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if ( ! empty( $field['premade'] ) ) { |
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continue; |
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} |
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// If it is required and not set, abort. |
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if ( ! $submission->is_required_field_set( $field ) ) { |
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wp_send_json_error( __( 'Some required fields are not set.', 'invoicing' ) ); |
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} |
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// Handle address fields. |
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if ( $field['type'] == 'address' ) { |
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foreach ( $field['fields'] as $address_field ) { |
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// skip if it is not visible. |
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if ( empty( $address_field['visible'] ) ) { |
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continue; |
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} |
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// If it is required and not set, abort |
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if ( ! empty( $address_field['required'] ) && empty( $data[ $address_field['name'] ] ) ) { |
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wp_send_json_error( __( 'Some required fields are not set.', 'invoicing' ) ); |
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} |
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if ( isset( $data[ $address_field['name'] ] ) ) { |
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$name = str_replace( 'wpinv_', '', $address_field['name'] ); |
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$method = "set_$name"; |
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$invoice->$method( wpinv_clean( $data[ $address_field['name'] ] ) ); |
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} |
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} |
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} else if ( isset( $data[ $field['id'] ] ) ) { |
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$label = $field['id']; |
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if ( isset( $field['label'] ) ) { |
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$label = $field['label']; |
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} |
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$prepared[ wpinv_clean( $label ) ] = wpinv_clean( $data[ $field['id'] ] ); |
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} |
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} |
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return $prepared; |
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} |
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/** |
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* Confirms the submission is valid and send users to the gateway. |
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* |
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* @param WPInv_Invoice $invoice |
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* @param array $prepared_payment_form_data |
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*/ |
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protected function post_process_submission( $invoice, $prepared_payment_form_data ) { |
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// Ensure the invoice exists. |
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if ( $invoice->get_id() == 0 ) { |
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wp_send_json_error( __( 'An error occured while saving your invoice.', 'invoicing' ) ); |
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} |
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// Was this invoice created via the payment form? |
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if ( ! $this->payment_form_submission->has_invoice() ) { |
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update_post_meta( $invoice->get_id(), 'wpinv_created_via', 'payment_form' ); |
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} |
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// Save payment form data. |
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if ( ! empty( $prepared_payment_form_data ) ) { |
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update_post_meta( $invoice->get_id(), 'payment_form_data', $prepared_payment_form_data ); |
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} |
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// Backwards compatibility. |
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add_filter( 'wp_redirect', array( $this, 'send_redirect_response' ) ); |
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add_action( 'wpinv_pre_send_back_to_checkout', array( $this, 'checkout_error' ) ); |
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$this->process_payment( $invoice ); |
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// If we are here, there was an error. |
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$this->checkout_error(); |
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} |
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/** |
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* Processes the actual payment. |
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* |
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* @param WPInv_Invoice $invoice |
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*/ |
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protected function process_payment( $invoice ) { |
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$submission = $this->payment_form_submission; |
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// No need to send free invoices to the gateway. |
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if ( $invoice->is_free() ) { |
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$invoice->set_gateway( 'none' ); |
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$invoice->add_note( __( "This is a free invoice and won't be sent to the payment gateway", 'invoicing' ), false, false, true ); |
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$invoice->mark_paid(); |
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wpinv_send_to_success_page( array( 'invoice_key' => $invoice->get_key() ) ); |
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} |
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// Clear any checkout errors. |
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wpinv_clear_errors(); |
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// Fires before sending to the gateway. |
|
321
|
|
|
do_action( 'getpaid_checkout_before_gateway', $invoice, $submission ); |
|
322
|
|
|
|
|
323
|
|
|
// Allow the sumission data to be modified before it is sent to the gateway. |
|
324
|
|
|
$submission_data = $submission->get_data(); |
|
325
|
|
|
$submission_gateway = apply_filters( 'getpaid_gateway_submission_gateway', $invoice->get_gateway(), $submission, $invoice ); |
|
326
|
|
|
$submission_data = apply_filters( 'getpaid_gateway_submission_data', $submission_data, $submission, $invoice ); |
|
327
|
|
|
|
|
328
|
|
|
// Validate the currency. |
|
329
|
|
|
if ( ! apply_filters( "getpaid_gateway_{$submission_gateway}_is_valid_for_currency", true, $invoice->get_currency() ) ) { |
|
330
|
|
|
wpinv_set_error( 'invalid_currency', __( 'The chosen payment gateway does not support the invoice currency', 'invoicing' ) ); |
|
331
|
|
|
} |
|
332
|
|
|
|
|
333
|
|
|
// Check to see if we have any errors. |
|
334
|
|
|
if ( wpinv_get_errors() ) { |
|
335
|
|
|
wpinv_send_back_to_checkout(); |
|
336
|
|
|
} |
|
337
|
|
|
|
|
338
|
|
|
// Send info to the gateway for payment processing |
|
339
|
|
|
do_action( "getpaid_gateway_$submission_gateway", $invoice, $submission_data, $submission ); |
|
340
|
|
|
|
|
341
|
|
|
// Backwards compatibility. |
|
342
|
|
|
wpinv_send_to_gateway( $submission_gateway, $invoice ); |
|
|
|
|
|
|
343
|
|
|
|
|
344
|
|
|
} |
|
345
|
|
|
|
|
346
|
|
|
/** |
|
347
|
|
|
* Sends a redrect response to payment details. |
|
348
|
|
|
* |
|
349
|
|
|
*/ |
|
350
|
|
|
public function send_redirect_response( $url ) { |
|
351
|
|
|
$url = urlencode( $url ); |
|
352
|
|
|
wp_send_json_success( $url ); |
|
353
|
|
|
} |
|
354
|
|
|
|
|
355
|
|
|
/** |
|
356
|
|
|
* Fired when a checkout error occurs |
|
357
|
|
|
* |
|
358
|
|
|
*/ |
|
359
|
|
|
public function checkout_error() { |
|
360
|
|
|
|
|
361
|
|
|
// Do we have any errors? |
|
362
|
|
|
if ( wpinv_get_errors() ) { |
|
363
|
|
|
wp_send_json_error( getpaid_get_errors_html() ); |
|
364
|
|
|
} |
|
365
|
|
|
|
|
366
|
|
|
wp_send_json_error( __( 'An error occured while processing your payment. Please try again.', 'invoicing' ) ); |
|
367
|
|
|
|
|
368
|
|
|
} |
|
369
|
|
|
|
|
370
|
|
|
} |
|
371
|
|
|
|
AyeCode /
invoicing
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