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<?php namespace ElementorPro\Modules\Payments\Widgets; use Elementor\Widget_Base; use Elementor\Controls_Manager; use Elementor\Plugin; use Elementor\Utils; use ElementorPro\Modules\Payments\Classes\Payment_Button; if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly } class Paypal_Button extends Payment_Button { // API integration types. const API_TYPE_SIMPLE = 'simple'; const API_TYPE_ADVANCED = 'advanced'; // PayPal constants. const PROD_URL = 'https://www.paypal.com/cgi-bin/webscr'; const SANDBOX_URL = 'https://sandbox.paypal.com/cgi-bin/webscr'; const CMD_CHECKOUT = '_xclick'; const CMD_DONATION = '_donations'; const CMD_SUBSCRIPTION = '_xclick-subscriptions'; const BILLING_CYCLE_TYPES = [ self::BILLING_CYCLE_DAYS => 'D', self::BILLING_CYCLE_WEEKS => 'W', self::BILLING_CYCLE_MONTHS => 'M', self::BILLING_CYCLE_YEARS => 'Y', ]; public function get_name() { return 'paypal-button'; } public function get_title() { return esc_html__( 'PayPal Button', 'elementor-pro' ); } public function get_icon() { return 'eicon-paypal-button'; } public function get_keywords() { return [ 'paypal', 'payment', 'sell', 'donate' ]; } protected function get_merchant_name() { return 'PayPal'; } // Retrieve a numerical field from settings, and default to $min if it's too small. protected function get_numeric_setting( $key, $min = 0 ) { $num = doubleval( $this->get_settings_for_display( $key ) ); return ( $min > $num ) ? $min : $num; } // Print a numerical field from settings, using `get_numeric_setting`. protected function print_numeric_setting( $key, $min = 0 ) { // PHPCS - the get_numeric_setting function is safe. echo $this->get_numeric_setting( $key, $min ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped } // Get the currently selected API communication method ( legacy / SDK ). protected function get_api_method() { $settings = $this->get_settings_for_display(); return ( self::API_TYPE_ADVANCED === $settings['merchant_account'] ) ? 'sdk' : 'legacy'; } // Get validation errors. protected function get_errors( $squash_errors = true ) { $settings = $this->get_settings_for_display(); $errors = []; // Don't render errors in the editor. if ( Plugin::instance()->editor->is_edit_mode() ) { return $errors; } // No payment method provided. if ( 'legacy' === $this->get_api_method() ) { $empty_email = empty( $settings['email'] ); $empty_sandbox_email = $this->is_sandbox() && empty( $settings['sandbox_email'] ); if ( $empty_email || $empty_sandbox_email ) { $errors[ self::ERROR_MESSAGE_PAYMENT_METHOD ] = $this->get_custom_message( self::ERROR_MESSAGE_PAYMENT_METHOD ); } } // Other errors. $empty_product_price = ( self::PAYMENT_TYPE_DONATION !== $settings['type'] && empty( $settings['product_price'] ) ); $empty_donation_amount = ( self::DONATION_TYPE_FIXED === $settings['donation_type'] && empty( $settings['donation_amount'] ) ); $empty_tax = ( ! empty( $settings['tax_type'] ) && empty( $settings['tax_rate'] ) ); if ( $empty_product_price || $empty_donation_amount || $empty_tax ) { $errors[ self::ERROR_MESSAGE_GLOBAL ] = $this->get_custom_message( self::ERROR_MESSAGE_GLOBAL ); } // Squash errors to show only a global error. if ( $squash_errors && 1 < count( $errors ) ) { return [ self::ERROR_MESSAGE_GLOBAL => $this->get_custom_message( self::ERROR_MESSAGE_GLOBAL ), ]; } return $errors; } // Render PayPal's legacy checkout form. protected function render_legacy_form() { $settings = $this->get_settings_for_display(); // Handle sandbox mode. if ( ! $this->is_sandbox() ) { $form_action = self::PROD_URL; $email = $settings['email']; } else { $form_action = self::SANDBOX_URL; $email = $settings['sandbox_email']; $this->add_render_attribute( 'button', 'class', 'elementor-payment-sandbox-mode' ); } if ( 'yes' === $settings['open_in_new_window'] ) { $target = '_blank'; } else { $target = '_top'; } // Set PayPal payment settings by payment type. switch ( $settings['type'] ) { case self::PAYMENT_TYPE_CHECKOUT: $cmd = self::CMD_CHECKOUT; $price_field = [ 'name' => 'amount', 'value' => $settings['product_price'], ]; break; case self::PAYMENT_TYPE_DONATION: $cmd = self::CMD_DONATION; $donation_amount = ''; // phpcs:ignore if ( self::DONATION_TYPE_FIXED === $settings['donation_type'] ) { $donation_amount = $settings['donation_amount']; } $price_field = [ 'name' => 'amount', 'value' => $donation_amount, ]; break; case self::PAYMENT_TYPE_SUBSCRIPTION: $cmd = self::CMD_SUBSCRIPTION; $price_field = [ 'name' => 'a3', 'value' => $settings['product_price'], ]; $auto_renewal = ( 'yes' === $settings['auto_renewal'] ) ? 1 : 0; $billing_cycle = self::BILLING_CYCLE_TYPES[ $settings['billing_cycle'] ]; break; } // PayPal HTML reference: // https://developer.paypal.com/docs/paypal-payments-standard/integration-guide/html-reference-landing/ ?> <form action="<?php echo esc_attr( $form_action ); ?>" method="post" target="<?php echo esc_attr( $target ); ?>"> <input type="hidden" name="cmd" value="<?php echo esc_attr( $cmd ); ?>" /> <input type="hidden" name="business" value="<?php echo esc_attr( $email ); ?>" /> <input type="hidden" name="lc" value="US" /> <input type="hidden" name="item_name" value="<?php echo esc_attr( $settings['product_name'] ); ?>" /> <input type="hidden" name="item_number" value="<?php echo esc_attr( $settings['product_sku'] ); ?>" /> <input type="hidden" name="currency_code" value="<?php echo esc_attr( $settings['currency'] ); ?>" /> <input type="hidden" name="<?php echo esc_attr( $price_field['name'] ); ?>" value="<?php echo esc_attr( $price_field['value'] ); ?>" /> <input type="hidden" name="no_note" value="1"> <?php if ( self::PAYMENT_TYPE_CHECKOUT === $settings['type'] ) { ?> <input type="hidden" name="shipping" value="<?php $this->print_numeric_setting( 'shipping_price' ); ?>" /> <input type="hidden" name="tax_rate" value="<?php $this->print_numeric_setting( 'tax_rate' ); ?>" /> <input type="hidden" name="quantity" value="<?php $this->print_numeric_setting( 'quantity', 1 ); ?>" /> <?php } elseif ( self::PAYMENT_TYPE_SUBSCRIPTION === $settings['type'] ) { ?> <?php // PHPCS - the $auto_renewal variable is a safe. ?> <input type="hidden" name="src" value="<?php echo $auto_renewal; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>" /> <input type="hidden" name="p3" value="1" /> <?php // PHPCS - the $billing_cycle variable is a constant value from self::BILLING_CYCLE_TYPES. ?> <input type="hidden" name="t3" value="<?php echo $billing_cycle; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped ?>" /> <input type="hidden" name="no-shipping" value="1" /> <?php } if ( ! empty( $settings['redirect_after_success']['url'] ) ) { ?> <input type="hidden" name="return" value="<?php echo esc_url( $settings['redirect_after_success']['url'] ); ?>"> <?php } $this->add_render_attribute( 'button', 'type', 'submit' ); $this->add_render_attribute( 'button', 'class', 'elementor-paypal-legacy' ); parent::render_button( null, 'button' ); foreach ( $this->get_errors() as $type => $message ) { ?> <div class="elementor-message elementor-message-danger elementor-hidden elementor-error-message-<?php Utils::print_unescaped_internal_string( $type ); ?>"> <?php echo esc_html( $message ); ?> </div> <?php } ?> </form> <?php } // Render the payment button. protected function render_button( Widget_Base $instance = null, $tag = 'a' ) { switch ( $this->get_api_method() ) { case 'legacy': $this->render_legacy_form(); break; } } // Account details section. protected function register_account_section() { $this->start_controls_section( 'section_account', [ 'label' => esc_html__( 'Pricing & Payments', 'elementor-pro' ), ] ); $this->add_control( 'merchant_account', [ 'label' => esc_html__( 'Merchant Account', 'elementor-pro' ), 'type' => Controls_Manager::HIDDEN, 'default' => self::API_TYPE_SIMPLE, 'options' => [ self::API_TYPE_SIMPLE => esc_html__( 'Default (Simple)', 'elementor-pro' ), self::API_TYPE_ADVANCED => esc_html__( 'Custom (Advanced)', 'elementor-pro' ), ], 'frontend_available' => true, ] ); $this->add_control( 'email', [ 'label' => esc_html__( 'PayPal Account', 'elementor-pro' ), 'type' => Controls_Manager::TEXT, 'dynamic' => [ 'active' => true, ], 'description' => esc_html__( 'Transactions made through your PayPal button will be registered under this account.', 'elementor-pro' ), 'label_block' => true, 'condition' => [ 'merchant_account' => self::API_TYPE_SIMPLE, ], 'placeholder' => 'yours@email.com', ] ); $this->add_control( 'sdk_token', [ 'label' => esc_html__( 'SDK Token', 'elementor-pro' ), 'type' => Controls_Manager::TEXT, 'dynamic' => [ 'active' => true, ], 'label_block' => true, 'condition' => [ 'merchant_account' => self::API_TYPE_ADVANCED, ], ] ); $this->register_product_controls(); $this->end_controls_section(); } /** * Updates Button tab controls in 'Style' tab * * @since 3.7.0 */ public function register_paypal_button_controls() { parent::register_controls(); $this->update_control( 'selected_icon', [ 'default' => [ 'value' => 'fab fa-paypal', 'library' => 'fa-brands', ], ] ); $this->update_control( 'background_color', [ 'default' => '#032E82', ] ); } /** * Edit button control initial UI * * @since 3.7.0 * */ protected function register_controls() { $this->register_paypal_button_controls(); } // Custom sandbox controls. protected function register_sandbox_controls() { $this->add_control( 'sandbox_email', [ 'label' => esc_html__( 'Sandbox Email Account', 'elementor-pro' ), 'type' => Controls_Manager::TEXT, 'dynamic' => [ 'active' => true, ], 'description' => esc_html__( 'This is the address given to you by PayPal when you set up a sandbox with your developer account. You can use the sandbox to test your purchase flow.', 'elementor-pro' ), 'label_block' => true, 'condition' => [ 'sandbox_mode' => 'yes', ], ] ); } // This widget extends the button core widget and therefore needs to overwrite the widget-base core CSS config. public function get_css_config() { $widget_name = 'payments'; $direction = is_rtl() ? '-rtl' : ''; $css_file_path = 'css/widget-' . $widget_name . $direction . '.min.css'; /* * Currently this widget does not support custom-breakpoints in its CSS file. * In order to support it, this widget needs to get the CSS config from the base-widget-trait.php. * But to make sure that it implements the Pro assets-path due to the fact that it extends a Core widget. */ return [ 'key' => $widget_name, 'version' => ELEMENTOR_PRO_VERSION, 'file_path' => ELEMENTOR_PRO_ASSETS_PATH . $css_file_path, 'data' => [ 'file_url' => ELEMENTOR_PRO_ASSETS_URL . $css_file_path, ], ]; } }
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