woothemes/woocommerce

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includes/admin/class-wc-admin-attributes.php

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<?php
/**
 * Attributes Page
 *
 * The attributes section lets users add custom attributes to assign to products - they can also be used in the "Filter Products by Attribute" widget.
 *
 * @package WooCommerce\Admin
 * @version 2.3.0
 */

defined( 'ABSPATH' ) || exit;

/**
 * WC_Admin_Attributes Class.
 */
class WC_Admin_Attributes {

    /**
     * Edited attribute ID.
     *
     * @var int
     */
    private static $edited_attribute_id;

    /**
     * Handles output of the attributes page in admin.
     *
     * Shows the created attributes and lets you add new ones or edit existing ones.
     * The added attributes are stored in the database and can be used for layered navigation.
     */
    public static function output() {
        $result = '';
        $action = '';

        // Action to perform: add, edit, delete or none.
        if ( ! empty( $_POST['add_new_attribute'] ) ) { // WPCS: CSRF ok.
            $action = 'add';
        } elseif ( ! empty( $_POST['save_attribute'] ) && ! empty( $_GET['edit'] ) ) { // WPCS: CSRF ok.
            $action = 'edit';
        } elseif ( ! empty( $_GET['delete'] ) ) {
            $action = 'delete';
        }

        switch ( $action ) {
            case 'add':
                $result = self::process_add_attribute();
                break;
            case 'edit':
                $result = self::process_edit_attribute();
                break;
            case 'delete':
                $result = self::process_delete_attribute();
                break;
        }

        if ( is_wp_error( $result ) ) {
            echo '<div id="woocommerce_errors" class="error"><p>' . wp_kses_post( $result->get_error_message() ) . '</p></div>';
        }

        // Show admin interface.
        if ( ! empty( $_GET['edit'] ) ) {
            self::edit_attribute();
        } else {
            self::add_attribute();
        }
    }

    /**
     * Get and sanitize posted attribute data.
     *
     * @return array
     */
    private static function get_posted_attribute() {
        $attribute = array(
            'attribute_label'   => isset( $_POST['attribute_label'] ) ? wc_clean( wp_unslash( $_POST['attribute_label'] ) ) : '', // WPCS: input var ok, CSRF ok.
            'attribute_name'    => isset( $_POST['attribute_name'] ) ? wc_sanitize_taxonomy_name( wp_unslash( $_POST['attribute_name'] ) ) : '', // WPCS: input var ok, CSRF ok, sanitization ok.
            'attribute_type'    => isset( $_POST['attribute_type'] ) ? wc_clean( wp_unslash( $_POST['attribute_type'] ) ) : 'select', // WPCS: input var ok, CSRF ok.
            'attribute_orderby' => isset( $_POST['attribute_orderby'] ) ? wc_clean( wp_unslash( $_POST['attribute_orderby'] ) ) : '', // WPCS: input var ok, CSRF ok.
            'attribute_public'  => isset( $_POST['attribute_public'] ) ? 1 : 0, // WPCS: input var ok, CSRF ok.
        );

        if ( empty( $attribute['attribute_type'] ) ) {
            $attribute['attribute_type'] = 'select';
        }
        if ( empty( $attribute['attribute_label'] ) ) {
            $attribute['attribute_label'] = ucfirst( $attribute['attribute_name'] );
        }
        if ( empty( $attribute['attribute_name'] ) ) {
            $attribute['attribute_name'] = wc_sanitize_taxonomy_name( $attribute['attribute_label'] );
        }

        return $attribute;
    }

    /**
     * Add an attribute.
     *
     * @return bool|WP_Error
     */
    private static function process_add_attribute() {
        check_admin_referer( 'woocommerce-add-new_attribute' );

        $attribute = self::get_posted_attribute();
        $args      = array(
            'name'         => $attribute['attribute_label'],
            'slug'         => $attribute['attribute_name'],
            'type'         => $attribute['attribute_type'],
            'order_by'     => $attribute['attribute_orderby'],
            'has_archives' => $attribute['attribute_public'],
        );

        $id = wc_create_attribute( $args );

        if ( is_wp_error( $id ) ) {
            return $id;
        }

        return true;
    }

    /**
     * Edit an attribute.
     *
     * @return bool|WP_Error
     */
    private static function process_edit_attribute() {
        $attribute_id = isset( $_GET['edit'] ) ? absint( $_GET['edit'] ) : 0;
        check_admin_referer( 'woocommerce-save-attribute_' . $attribute_id );

        $attribute = self::get_posted_attribute();
        $args      = array(
            'name'         => $attribute['attribute_label'],
            'slug'         => $attribute['attribute_name'],
            'type'         => $attribute['attribute_type'],
            'order_by'     => $attribute['attribute_orderby'],
            'has_archives' => $attribute['attribute_public'],
        );

        $id = wc_update_attribute( $attribute_id, $args );

        if ( is_wp_error( $id ) ) {
            return $id;
        }

        self::$edited_attribute_id = $id;

        return true;
    }

    /**
     * Delete an attribute.
     *
     * @return bool
     */
    private static function process_delete_attribute() {
        $attribute_id = isset( $_GET['delete'] ) ? absint( $_GET['delete'] ) : 0;
        check_admin_referer( 'woocommerce-delete-attribute_' . $attribute_id );

        return wc_delete_attribute( $attribute_id );
    }

    /**
     * Edit Attribute admin panel.
     *
     * Shows the interface for changing an attributes type between select and text.
     */
    public static function edit_attribute() {
        global $wpdb;

        $edit = isset( $_GET['edit'] ) ? absint( $_GET['edit'] ) : 0;

        $attribute_to_edit = $wpdb->get_row(
            $wpdb->prepare(
                "
                SELECT attribute_type, attribute_label, attribute_name, attribute_orderby, attribute_public
                FROM {$wpdb->prefix}woocommerce_attribute_taxonomies WHERE attribute_id = %d
                ",
                $edit
            )
        );

        ?>
        <div class="wrap woocommerce">
            <h1><?php esc_html_e( 'Edit attribute', 'woocommerce' ); ?></h1>

            <?php
            if ( ! $attribute_to_edit ) {
                echo '<div id="woocommerce_errors" class="error"><p>' . esc_html__( 'Error: non-existing attribute ID.', 'woocommerce' ) . '</p></div>';
            } else {
                if ( self::$edited_attribute_id > 0 ) {
                    echo '<div id="message" class="updated"><p>' . esc_html__( 'Attribute updated successfully', 'woocommerce' ) . '</p><p><a href="' . esc_url( admin_url( 'edit.php?post_type=product&amp;page=product_attributes' ) ) . '">' . esc_html__( 'Back to Attributes', 'woocommerce' ) . '</a></p></div>';
                    self::$edited_attribute_id = null;
                }
                $att_type    = $attribute_to_edit->attribute_type;
                $att_label   = format_to_edit( $attribute_to_edit->attribute_label );
                $att_name    = $attribute_to_edit->attribute_name;
                $att_orderby = $attribute_to_edit->attribute_orderby;
                $att_public  = $attribute_to_edit->attribute_public;
                ?>
                <form action="edit.php?post_type=product&amp;page=product_attributes&amp;edit=<?php echo absint( $edit ); ?>" method="post">
                    <table class="form-table">
                        <tbody>
                            <?php do_action( 'woocommerce_before_edit_attribute_fields' ); ?>
                            <tr class="form-field form-required">
                                <th scope="row" valign="top">
                                    <label for="attribute_label"><?php esc_html_e( 'Name', 'woocommerce' ); ?></label>
                                </th>
                                <td>
                                    <input name="attribute_label" id="attribute_label" type="text" value="<?php echo esc_attr( $att_label ); ?>" />
                                    <p class="description"><?php esc_html_e( 'Name for the attribute (shown on the front-end).', 'woocommerce' ); ?></p>
                                </td>
                            </tr>
                            <tr class="form-field form-required">
                                <th scope="row" valign="top">
                                    <label for="attribute_name"><?php esc_html_e( 'Slug', 'woocommerce' ); ?></label>
                                </th>
                                <td>
                                    <input name="attribute_name" id="attribute_name" type="text" value="<?php echo esc_attr( $att_name ); ?>" maxlength="28" />
                                    <p class="description"><?php esc_html_e( 'Unique slug/reference for the attribute; must be no more than 28 characters.', 'woocommerce' ); ?></p>
                                </td>
                            </tr>
                            <tr class="form-field form-required">
                                <th scope="row" valign="top">
                                    <label for="attribute_public"><?php esc_html_e( 'Enable archives?', 'woocommerce' ); ?></label>
                                </th>
                                <td>
                                    <input name="attribute_public" id="attribute_public" type="checkbox" value="1" <?php checked( $att_public, 1 ); ?> />
                                    <p class="description"><?php esc_html_e( 'Enable this if you want this attribute to have product archives in your store.', 'woocommerce' ); ?></p>
                                </td>
                            </tr>
                            <?php
                            /**
                             * Attribute types can change the way attributes are displayed on the frontend and admin.
                             *
                             * By Default WooCommerce only includes the `select` type. Others can be added with the
                             * `product_attributes_type_selector` filter. If there is only the default type registered,
                             * this setting will be hidden.
                             */
                            if ( wc_has_custom_attribute_types() ) {
                                ?>
                                <tr class="form-field form-required">
                                    <th scope="row" valign="top">
                                        <label for="attribute_type"><?php esc_html_e( 'Type', 'woocommerce' ); ?></label>
                                    </th>
                                    <td>
                                        <select name="attribute_type" id="attribute_type">
                                            <?php foreach ( wc_get_attribute_types() as $key => $value ) : ?>
                                                <option value="<?php echo esc_attr( $key ); ?>" <?php selected( $att_type, $key ); ?>><?php echo esc_html( $value ); ?></option>
                                            <?php endforeach; ?>
                                            <?php
                                                /**
                                                 * Deprecated action in favor of product_attributes_type_selector filter.
                                                 *
                                                 * @todo Remove in 4.0.0
                                                 * @deprecated 2.4.0
                                                 */
                                                do_action( 'woocommerce_admin_attribute_types' );
                                            ?>
                                        </select>
                                        <p class="description"><?php esc_html_e( "Determines how this attribute's values are displayed.", 'woocommerce' ); ?></p>
                                    </td>
                                </tr>
                                <?php
                            }
                            ?>
                            <tr class="form-field form-required">
                                <th scope="row" valign="top">
                                    <label for="attribute_orderby"><?php esc_html_e( 'Default sort order', 'woocommerce' ); ?></label>
                                </th>
                                <td>
                                    <select name="attribute_orderby" id="attribute_orderby">
                                        <option value="menu_order" <?php selected( $att_orderby, 'menu_order' ); ?>><?php esc_html_e( 'Custom ordering', 'woocommerce' ); ?></option>
                                        <option value="name" <?php selected( $att_orderby, 'name' ); ?>><?php esc_html_e( 'Name', 'woocommerce' ); ?></option>
                                        <option value="name_num" <?php selected( $att_orderby, 'name_num' ); ?>><?php esc_html_e( 'Name (numeric)', 'woocommerce' ); ?></option>
                                        <option value="id" <?php selected( $att_orderby, 'id' ); ?>><?php esc_html_e( 'Term ID', 'woocommerce' ); ?></option>
                                    </select>
                                    <p class="description"><?php esc_html_e( 'Determines the sort order of the terms on the frontend shop product pages. If using custom ordering, you can drag and drop the terms in this attribute.', 'woocommerce' ); ?></p>
                                </td>
                            </tr>
                            <?php do_action( 'woocommerce_after_edit_attribute_fields' ); ?>
                        </tbody>
                    </table>
                    <p class="submit"><button type="submit" name="save_attribute" id="submit" class="button-primary" value="<?php esc_attr_e( 'Update', 'woocommerce' ); ?>"><?php esc_html_e( 'Update', 'woocommerce' ); ?></button></p>
                    <?php wp_nonce_field( 'woocommerce-save-attribute_' . $edit ); ?>
                </form>
            <?php } ?>
        </div>
        <?php
    }

    /**
     * Add Attribute admin panel.
     *
     * Shows the interface for adding new attributes.
     */
    public static function add_attribute() {
        ?>
        <div class="wrap woocommerce">
            <h1><?php echo esc_html( get_admin_page_title() ); ?></h1>

            <br class="clear" />
            <div id="col-container">
                <div id="col-right">
                    <div class="col-wrap">
                        <table class="widefat attributes-table wp-list-table ui-sortable" style="width:100%">
                            <thead>
                                <tr>
                                    <th scope="col"><?php esc_html_e( 'Name', 'woocommerce' ); ?></th>
                                    <th scope="col"><?php esc_html_e( 'Slug', 'woocommerce' ); ?></th>
                                    <?php if ( wc_has_custom_attribute_types() ) : ?>
                                        <th scope="col"><?php esc_html_e( 'Type', 'woocommerce' ); ?></th>
                                    <?php endif; ?>
                                    <th scope="col"><?php esc_html_e( 'Order by', 'woocommerce' ); ?></th>
                                    <th scope="col"><?php esc_html_e( 'Terms', 'woocommerce' ); ?></th>
                                </tr>
                            </thead>
                            <tbody>
                                <?php
                                $attribute_taxonomies = wc_get_attribute_taxonomies();
                                if ( $attribute_taxonomies ) :
                                    foreach ( $attribute_taxonomies as $tax ) :
                                        ?>
                                        <tr>
                                                <td>
                                                    <strong><a href="edit-tags.php?taxonomy=<?php echo esc_attr( wc_attribute_taxonomy_name( $tax->attribute_name ) ); ?>&amp;post_type=product"><?php echo esc_html( $tax->attribute_label ); ?></a></strong>

                                                    <div class="row-actions"><span class="edit"><a href="<?php echo esc_url( add_query_arg( 'edit', $tax->attribute_id, 'edit.php?post_type=product&amp;page=product_attributes' ) ); ?>"><?php esc_html_e( 'Edit', 'woocommerce' ); ?></a> | </span><span class="delete"><a class="delete" href="<?php echo esc_url( wp_nonce_url( add_query_arg( 'delete', $tax->attribute_id, 'edit.php?post_type=product&amp;page=product_attributes' ), 'woocommerce-delete-attribute_' . $tax->attribute_id ) ); ?>"><?php esc_html_e( 'Delete', 'woocommerce' ); ?></a></span></div>
                                                </td>
                                                <td><?php echo esc_html( $tax->attribute_name ); ?></td>
                                                <?php if ( wc_has_custom_attribute_types() ) : ?>
                                                    <td><?php echo esc_html( wc_get_attribute_type_label( $tax->attribute_type ) ); ?> <?php echo $tax->attribute_public ? esc_html__( '(Public)', 'woocommerce' ) : ''; ?></td>
                                                <?php endif; ?>
                                                <td>
                                                    <?php
                                                    switch ( $tax->attribute_orderby ) {
                                                        case 'name':
                                                            esc_html_e( 'Name', 'woocommerce' );
                                                            break;
                                                        case 'name_num':
                                                            esc_html_e( 'Name (numeric)', 'woocommerce' );
                                                            break;
                                                        case 'id':
                                                            esc_html_e( 'Term ID', 'woocommerce' );
                                                            break;
                                                        default:
                                                            esc_html_e( 'Custom ordering', 'woocommerce' );
                                                            break;
                                                    }
                                                    ?>
                                                </td>
                                                <td class="attribute-terms">
                                                    <?php
                                                    $taxonomy = wc_attribute_taxonomy_name( $tax->attribute_name );

                                                    if ( taxonomy_exists( $taxonomy ) ) {
                                                        $terms        = get_terms( $taxonomy, 'hide_empty=0' );
                                                        $terms_string = implode( ', ', wp_list_pluck( $terms, 'name' ) );
                                                        if ( $terms_string ) {
                                                            echo esc_html( $terms_string );
                                                        } else {
                                                            echo '<span class="na">&ndash;</span>';
                                                        }
                                                    } else {
                                                            echo '<span class="na">&ndash;</span>';
                                                    }
                                                    ?>
                                                    <br /><a href="edit-tags.php?taxonomy=<?php echo esc_attr( wc_attribute_taxonomy_name( $tax->attribute_name ) ); ?>&amp;post_type=product" class="configure-terms"><?php esc_html_e( 'Configure terms', 'woocommerce' ); ?></a>
                                                </td>
                                            </tr>
                                            <?php
                                        endforeach;
                                    else :
                                        ?>
                                        <tr>
                                            <td colspan="6"><?php esc_html_e( 'No attributes currently exist.', 'woocommerce' ); ?></td>
                                        </tr>
                                        <?php
                                    endif;
                                    ?>
                            </tbody>
                        </table>
                    </div>
                </div>
                <div id="col-left">
                    <div class="col-wrap">
                        <div class="form-wrap">
                            <h2><?php esc_html_e( 'Add new attribute', 'woocommerce' ); ?></h2>
                            <p><?php esc_html_e( 'Attributes let you define extra product data, such as size or color. You can use these attributes in the shop sidebar using the "layered nav" widgets.', 'woocommerce' ); ?></p>
                            <form action="edit.php?post_type=product&amp;page=product_attributes" method="post">
                                <?php do_action( 'woocommerce_before_add_attribute_fields' ); ?>

                                <div class="form-field">
                                    <label for="attribute_label"><?php esc_html_e( 'Name', 'woocommerce' ); ?></label>
                                    <input name="attribute_label" id="attribute_label" type="text" value="" />
                                    <p class="description"><?php esc_html_e( 'Name for the attribute (shown on the front-end).', 'woocommerce' ); ?></p>
                                </div>

                                <div class="form-field">
                                    <label for="attribute_name"><?php esc_html_e( 'Slug', 'woocommerce' ); ?></label>
                                    <input name="attribute_name" id="attribute_name" type="text" value="" maxlength="28" />
                                    <p class="description"><?php esc_html_e( 'Unique slug/reference for the attribute; must be no more than 28 characters.', 'woocommerce' ); ?></p>
                                </div>

                                <div class="form-field">
                                    <label for="attribute_public"><input name="attribute_public" id="attribute_public" type="checkbox" value="1" /> <?php esc_html_e( 'Enable Archives?', 'woocommerce' ); ?></label>

                                    <p class="description"><?php esc_html_e( 'Enable this if you want this attribute to have product archives in your store.', 'woocommerce' ); ?></p>
                                </div>

                                <?php
                                /**
                                 * Attribute types can change the way attributes are displayed on the frontend and admin.
                                 *
                                 * By Default WooCommerce only includes the `select` type. Others can be added with the
                                 * `product_attributes_type_selector` filter. If there is only the default type registered,
                                 * this setting will be hidden.
                                 */
                                if ( wc_has_custom_attribute_types() ) {
                                    ?>
                                    <div class="form-field">
                                        <label for="attribute_type"><?php esc_html_e( 'Type', 'woocommerce' ); ?></label>
                                        <select name="attribute_type" id="attribute_type">
                                            <?php foreach ( wc_get_attribute_types() as $key => $value ) : ?>
                                                <option value="<?php echo esc_attr( $key ); ?>"><?php echo esc_html( $value ); ?></option>
                                            <?php endforeach; ?>
                                            <?php
                                                /**
                                                 * Deprecated action in favor of product_attributes_type_selector filter.
                                                 *
                                                 * @todo Remove in 4.0.0
                                                 * @deprecated 2.4.0
                                                 */
                                                do_action( 'woocommerce_admin_attribute_types' );
                                            ?>
                                        </select>
                                        <p class="description"><?php esc_html_e( "Determines how this attribute's values are displayed.", 'woocommerce' ); ?></p>
                                    </div>
                                    <?php
                                }
                                ?>

                                <div class="form-field">
                                    <label for="attribute_orderby"><?php esc_html_e( 'Default sort order', 'woocommerce' ); ?></label>
                                    <select name="attribute_orderby" id="attribute_orderby">
                                        <option value="menu_order"><?php esc_html_e( 'Custom ordering', 'woocommerce' ); ?></option>
                                        <option value="name"><?php esc_html_e( 'Name', 'woocommerce' ); ?></option>
                                        <option value="name_num"><?php esc_html_e( 'Name (numeric)', 'woocommerce' ); ?></option>
                                        <option value="id"><?php esc_html_e( 'Term ID', 'woocommerce' ); ?></option>
                                    </select>
                                    <p class="description"><?php esc_html_e( 'Determines the sort order of the terms on the frontend shop product pages. If using custom ordering, you can drag and drop the terms in this attribute.', 'woocommerce' ); ?></p>
                                </div>

                                <?php do_action( 'woocommerce_after_add_attribute_fields' ); ?>

                                <p class="submit"><button type="submit" name="add_new_attribute" id="submit" class="button button-primary" value="<?php esc_attr_e( 'Add attribute', 'woocommerce' ); ?>"><?php esc_html_e( 'Add attribute', 'woocommerce' ); ?></button></p>
                                <?php wp_nonce_field( 'woocommerce-add-new_attribute' ); ?>
                            </form>
                        </div>
                    </div>
                </div>
            </div>
            <script type="text/javascript">
            /* <![CDATA[ */

                jQuery( 'a.delete' ).on( 'click', function() {
                    if ( window.confirm( '<?php esc_html_e( 'Are you sure you want to delete this attribute?', 'woocommerce' ); ?>' ) ) {
                        return true;
                    }
                    return false;
                });

            /* ]]> */
            </script>
        </div>
        <?php
    }
}