woocommerce/includes/admin/meta-boxes/class-wc-meta-box-coupon-data.php

<?php
/**
 * Coupon Data
 *
 * Display the coupon data meta box.
 *
 * @author      WooThemes
 * @category    Admin
 * @package     WooCommerce/Admin/Meta Boxes
 * @version     2.1.0
 */

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

/**
 * WC_Meta_Box_Coupon_Data Class.
 */
class WC_Meta_Box_Coupon_Data {

	/**
	 * Output the metabox.
	 *
	 * @param WP_Post $post
	 */
	public static function output( $post ) {
		wp_nonce_field( 'woocommerce_save_data', 'woocommerce_meta_nonce' );

		$coupon = new WC_Coupon( $post->ID );
		?>
		<style type="text/css">
			#edit-slug-box, #minor-publishing-actions { display:none }
		</style>
		<div id="coupon_options" class="panel-wrap coupon_data">

			<div class="wc-tabs-back"></div>

			<ul class="coupon_data_tabs wc-tabs" style="display:none;">
				<?php
					$coupon_data_tabs = apply_filters( 'woocommerce_coupon_data_tabs', array(
						'general' => array(
							'label'  => __( 'General', 'woocommerce' ),
							'target' => 'general_coupon_data',
							'class'  => 'general_coupon_data',
						),
						'usage_restriction' => array(
							'label'  => __( 'Usage restriction', 'woocommerce' ),
							'target' => 'usage_restriction_coupon_data',
							'class'  => '',
						),
						'usage_limit' => array(
							'label'  => __( 'Usage limits', 'woocommerce' ),
							'target' => 'usage_limit_coupon_data',
							'class'  => '',
						),
					) );

					foreach ( $coupon_data_tabs as $key => $tab ) {
						?><li class="<?php echo $key; ?>_options <?php echo $key; ?>_tab <?php echo implode( ' ' , (array) $tab['class'] ); ?>">
							<a href="#<?php echo $tab['target']; ?>"><span><?php echo esc_html( $tab['label'] ); ?></span></a>
						</li><?php
					}
				?>
			</ul>
			<div id="general_coupon_data" class="panel woocommerce_options_panel"><?php

				// Type
				woocommerce_wp_select( array(
					'id'      => 'discount_type',
					'label'   => __( 'Discount type', 'woocommerce' ),
					'options' => wc_get_coupon_types(),
				) );

				// Amount
				woocommerce_wp_text_input( array(
					'id'          => 'coupon_amount',
					'label'       => __( 'Coupon amount', 'woocommerce' ),
					'placeholder' => wc_format_localized_price( 0 ),
					'description' => __( 'Value of the coupon.', 'woocommerce' ),
					'data_type'   => 'price',
					'desc_tip'    => true,
				) );

				// Free Shipping
				if ( wc_shipping_enabled() ) {
					woocommerce_wp_checkbox( array(
						'id'          => 'free_shipping',
						'label'       => __( 'Allow free shipping', 'woocommerce' ),
						'description' => sprintf( __( 'Check this box if the coupon grants free shipping. A <a href="%s" target="_blank">free shipping method</a> must be enabled in your shipping zone and be set to require "a valid free shipping coupon" (see the "Free Shipping Requires" setting).', 'woocommerce' ), 'https://docs.woocommerce.com/document/free-shipping/' ),
					) );
				}

				// Expiry date
				$expiry_date = $coupon->get_date_expires() ? $coupon->get_date_expires()->date( 'Y-m-d' ) : '';
				woocommerce_wp_text_input( array(
					'id'                => 'expiry_date',
					'value'             => esc_attr( $expiry_date ),
					'label'             => __( 'Coupon expiry date', 'woocommerce' ),
					'placeholder'       => 'YYYY-MM-DD',
					'description'       => '',
					'class'             => 'date-picker',
					'custom_attributes' => array(
						'pattern' => apply_filters( 'woocommerce_date_input_html_pattern', '[0-9]{4}-(0[1-9]|1[012])-(0[1-9]|1[0-9]|2[0-9]|3[01])' ),
					),
				) );

				do_action( 'woocommerce_coupon_options', $coupon->get_id(), $coupon );

			?></div>
			<div id="usage_restriction_coupon_data" class="panel woocommerce_options_panel"><?php

				echo '<div class="options_group">';

				// minimum spend
				woocommerce_wp_text_input( array(
					'id'          => 'minimum_amount',
					'label'       => __( 'Minimum spend', 'woocommerce' ),
					'placeholder' => __( 'No minimum', 'woocommerce' ),
					'description' => __( 'This field allows you to set the minimum spend (subtotal) allowed to use the coupon.', 'woocommerce' ),
					'data_type'   => 'price',
					'desc_tip'    => true,
				) );

				// maximum spend
				woocommerce_wp_text_input( array(
					'id'          => 'maximum_amount',
					'label'       => __( 'Maximum spend', 'woocommerce' ),
					'placeholder' => __( 'No maximum', 'woocommerce' ),
					'description' => __( 'This field allows you to set the maximum spend (subtotal) allowed when using the coupon.', 'woocommerce' ),
					'data_type'   => 'price',
					'desc_tip'    => true,
				) );

				// Individual use
				woocommerce_wp_checkbox( array(
					'id'          => 'individual_use',
					'label'       => __( 'Individual use only', 'woocommerce' ),
					'description' => __( 'Check this box if the coupon cannot be used in conjunction with other coupons.', 'woocommerce' ),
				) );

				// Exclude Sale Products
				woocommerce_wp_checkbox( array(
					'id'          => 'exclude_sale_items',
					'label'       => __( 'Exclude sale items', 'woocommerce' ),
					'description' => __( 'Check this box if the coupon should not apply to items on sale. Per-item coupons will only work if the item is not on sale. Per-cart coupons will only work if there are items in the cart that are not on sale.', 'woocommerce' ),
				) );

				echo '</div><div class="options_group">';

				// Product ids
				?>
				<p class="form-field"><label><?php _e( 'Products', 'woocommerce' ); ?></label>
				<select class="wc-product-search" multiple="multiple" style="width: 50%;" name="product_ids[]" data-placeholder="<?php esc_attr_e( 'Search for a product&hellip;', 'woocommerce' ); ?>" data-action="woocommerce_json_search_products_and_variations">
					<?php
						$product_ids = $coupon->get_product_ids();

						foreach ( $product_ids as $product_id ) {
							$product = wc_get_product( $product_id );
							if ( is_object( $product ) ) {
								echo '<option value="' . esc_attr( $product_id ) . '"' . selected( true, true, false ) . '>' . wp_kses_post( $product->get_formatted_name() ) . '</option>';
							}
						}
					?>
				</select> <?php echo wc_help_tip( __( 'Products that the coupon will be applied to, or that need to be in the cart in order for the "Fixed cart discount" to be applied.', 'woocommerce' ) ); ?></p>
				<?php

				// Exclude Product ids
				?>
				<p class="form-field"><label><?php _e( 'Exclude products', 'woocommerce' ); ?></label>
				<select class="wc-product-search" multiple="multiple" style="width: 50%;" name="exclude_product_ids[]" data-placeholder="<?php esc_attr_e( 'Search for a product&hellip;', 'woocommerce' ); ?>" data-action="woocommerce_json_search_products_and_variations">
					<?php
						$product_ids = $coupon->get_excluded_product_ids();

						foreach ( $product_ids as $product_id ) {
							$product = wc_get_product( $product_id );
							if ( is_object( $product ) ) {
								echo '<option value="' . esc_attr( $product_id ) . '"' . selected( true, true, false ) . '>' . wp_kses_post( $product->get_formatted_name() ) . '</option>';
							}
						}
					?>
				</select> <?php echo wc_help_tip( __( 'Products that the coupon will not be applied to, or that cannot be in the cart in order for the "Fixed cart discount" to be applied.', 'woocommerce' ) ); ?></p>
				<?php

				echo '</div><div class="options_group">';

				// Categories
				?>
				<p class="form-field"><label for="product_categories"><?php _e( 'Product categories', 'woocommerce' ); ?></label>
				<select id="product_categories" name="product_categories[]" style="width: 50%;"  class="wc-enhanced-select" multiple="multiple" data-placeholder="<?php esc_attr_e( 'Any category', 'woocommerce' ); ?>">
					<?php
						$category_ids = $coupon->get_product_categories();
						$categories   = get_terms( 'product_cat', 'orderby=name&hide_empty=0' );

						if ( $categories ) {
							foreach ( $categories as $cat ) {
								echo '<option value="' . esc_attr( $cat->term_id ) . '"' . selected( in_array( $cat->term_id, $category_ids ), true, false ) . '>' . esc_html( $cat->name ) . '</option>';
							}
						}
					?>
				</select> <?php echo wc_help_tip( __( 'Product categories that the coupon will be applied to, or that need to be in the cart in order for the "Fixed cart discount" to be applied.', 'woocommerce' ) ); ?></p>
				<?php

				// Exclude Categories
				?>
				<p class="form-field"><label for="exclude_product_categories"><?php _e( 'Exclude categories', 'woocommerce' ); ?></label>
				<select id="exclude_product_categories" name="exclude_product_categories[]" style="width: 50%;"  class="wc-enhanced-select" multiple="multiple" data-placeholder="<?php esc_attr_e( 'No categories', 'woocommerce' ); ?>">
					<?php
						$category_ids = $coupon->get_excluded_product_categories();
						$categories   = get_terms( 'product_cat', 'orderby=name&hide_empty=0' );

						if ( $categories ) {
							foreach ( $categories as $cat ) {
								echo '<option value="' . esc_attr( $cat->term_id ) . '"' . selected( in_array( $cat->term_id, $category_ids ), true, false ) . '>' . esc_html( $cat->name ) . '</option>';
							}
						}
					?>
				</select> <?php echo wc_help_tip( __( 'Product categories that the coupon will not be applied to, or that cannot be in the cart in order for the "Fixed cart discount" to be applied.', 'woocommerce' ) ); ?></p>
				<?php

				echo '</div><div class="options_group">';

				// Customers
				woocommerce_wp_text_input( array(
					'id'                => 'customer_email',
					'label'             => __( 'Email restrictions', 'woocommerce' ),
					'placeholder'       => __( 'No restrictions', 'woocommerce' ),
					'description'       => __( 'List of allowed emails to check against the customer billing email when an order is placed. Separate email addresses with commas.', 'woocommerce' ),
					'value'             => implode( ', ', (array) $coupon->get_email_restrictions() ),
					'desc_tip'          => true,
					'type'              => 'email',
					'class'             => '',
					'custom_attributes' => array(
						'multiple' 	=> 'multiple',
					),
				) );

				echo '</div>';

				do_action( 'woocommerce_coupon_options_usage_restriction', $coupon->get_id(), $coupon );

			?></div>
			<div id="usage_limit_coupon_data" class="panel woocommerce_options_panel"><?php

				echo '<div class="options_group">';

				// Usage limit per coupons
				woocommerce_wp_text_input( array(
					'id'                => 'usage_limit',
					'label'             => __( 'Usage limit per coupon', 'woocommerce' ),
					'placeholder'       => esc_attr__( 'Unlimited usage', 'woocommerce' ),
					'description'       => __( 'How many times this coupon can be used before it is void.', 'woocommerce' ),
					'type'              => 'number',
					'desc_tip'          => true,
					'class'             => 'short',
					'custom_attributes' => array(
						'step' 	=> 1,
						'min'	=> 0,
					),
					'value' => $coupon->get_usage_limit() ? $coupon->get_usage_limit() : '',
				) );

				// Usage limit per product
				woocommerce_wp_text_input( array(
					'id'                => 'limit_usage_to_x_items',
					'label'             => __( 'Limit usage to X items', 'woocommerce' ),
					'placeholder'       => esc_attr__( 'Apply to all qualifying items in cart', 'woocommerce' ),
					'description'       => __( 'The maximum number of individual items this coupon can apply to when using product discounts. Leave blank to apply to all qualifying items in cart.', 'woocommerce' ),
					'desc_tip'          => true,
					'class'             => 'short',
					'type'              => 'number',
					'custom_attributes' => array(
						'step' 	=> 1,
						'min'	=> 0,
					),
					'value' => $coupon->get_limit_usage_to_x_items() ? $coupon->get_limit_usage_to_x_items() : '',
				) );

				// Usage limit per users
				woocommerce_wp_text_input( array(
					'id'                => 'usage_limit_per_user',
					'label'             => __( 'Usage limit per user', 'woocommerce' ),
					'placeholder'       => esc_attr__( 'Unlimited usage', 'woocommerce' ),
					'description'       => __( 'How many times this coupon can be used by an individual user. Uses billing email for guests, and user ID for logged in users.', 'woocommerce' ),
					'desc_tip'          => true,
					'class'             => 'short',
					'type'              => 'number',
					'custom_attributes' => array(
						'step' 	=> 1,
						'min'	=> 0,
					),
					'value' => $coupon->get_usage_limit_per_user() ? $coupon->get_usage_limit_per_user() : '',
				) );

				echo '</div>';

				do_action( 'woocommerce_coupon_options_usage_limit', $coupon->get_id(), $coupon );

			?></div>
			<?php do_action( 'woocommerce_coupon_data_panels', $coupon->get_id(), $coupon ); ?>
			<div class="clear"></div>
		</div>
		<?php
	}

	/**
	 * Save meta box data.
	 *
	 * @param int $post_id
	 * @param WP_Post $post
	 */
	public static function save( $post_id, $post ) {
		// Check for dupe coupons
		$coupon_code  = wc_format_coupon_code( $post->post_title );
		$id_from_code = wc_get_coupon_id_by_code( $coupon_code, $post_id );

		if ( $id_from_code ) {
			WC_Admin_Meta_Boxes::add_error( __( 'Coupon code already exists - customers will use the latest coupon with this code.', 'woocommerce' ) );
		}

		$product_categories         = isset( $_POST['product_categories'] ) ? (array) $_POST['product_categories'] : array();
		$exclude_product_categories = isset( $_POST['exclude_product_categories'] ) ? (array) $_POST['exclude_product_categories'] : array();

		$coupon = new WC_Coupon( $post_id );
		$coupon->set_props( array(
			'code'                        => $post->post_title,
			'discount_type'               => wc_clean( $_POST['discount_type'] ),
			'amount'                      => wc_format_decimal( $_POST['coupon_amount'] ),
			'date_expires'                => wc_clean( $_POST['expiry_date'] ),
			'individual_use'              => isset( $_POST['individual_use'] ),
			'product_ids'                 => isset( $_POST['product_ids'] ) ? array_filter( array_map( 'intval', (array) $_POST['product_ids'] ) ) : array(),
			'excluded_product_ids'        => isset( $_POST['exclude_product_ids'] ) ? array_filter( array_map( 'intval', (array) $_POST['exclude_product_ids'] ) ) : array(),
			'usage_limit'                 => absint( $_POST['usage_limit'] ),
			'usage_limit_per_user'        => absint( $_POST['usage_limit_per_user'] ),
			'limit_usage_to_x_items'      => absint( $_POST['limit_usage_to_x_items'] ),
			'free_shipping'               => isset( $_POST['free_shipping'] ),
			'product_categories'          => array_filter( array_map( 'intval', $product_categories ) ),
			'excluded_product_categories' => array_filter( array_map( 'intval', $exclude_product_categories ) ),
			'exclude_sale_items'          => isset( $_POST['exclude_sale_items'] ),
			'minimum_amount'              => wc_format_decimal( $_POST['minimum_amount'] ),
			'maximum_amount'              => wc_format_decimal( $_POST['maximum_amount'] ),
			'email_restrictions'          => array_filter( array_map( 'trim', explode( ',', wc_clean( $_POST['customer_email'] ) ) ) ),
		) );
		$coupon->save();
		do_action( 'woocommerce_coupon_options_save', $post_id, $coupon );
	}
}