woothemes/woocommerce

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

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1 day
Test Coverage
<?php
/**
 * Handles taxonomies in admin
 *
 * @class    WC_Admin_Taxonomies
 * @version  2.3.10
 * @package  WooCommerce\Admin
 */

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

/**
 * WC_Admin_Taxonomies class.
 */
class WC_Admin_Taxonomies {

    /**
     * Class instance.
     *
     * @var WC_Admin_Taxonomies instance
     */
    protected static $instance = false;

    /**
     * Default category ID.
     *
     * @var int
     */
    private $default_cat_id = 0;

    /**
     * Get class instance
     */
    public static function get_instance() {
        if ( ! self::$instance ) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    /**
     * Constructor.
     */
    public function __construct() {
        // Default category ID.
        $this->default_cat_id = get_option( 'default_product_cat', 0 );

        // Category/term ordering.
        add_action( 'create_term', array( $this, 'create_term' ), 5, 3 );

        // Add form.
        add_action( 'product_cat_add_form_fields', array( $this, 'add_category_fields' ) );
        add_action( 'product_cat_edit_form_fields', array( $this, 'edit_category_fields' ), 10 );
        add_action( 'created_term', array( $this, 'save_category_fields' ), 10, 3 );
        add_action( 'edit_term', array( $this, 'save_category_fields' ), 10, 3 );

        // Add columns.
        add_filter( 'manage_edit-product_cat_columns', array( $this, 'product_cat_columns' ) );
        add_filter( 'manage_product_cat_custom_column', array( $this, 'product_cat_column' ), 10, 3 );

        // Add row actions.
        add_filter( 'product_cat_row_actions', array( $this, 'product_cat_row_actions' ), 10, 2 );
        add_filter( 'admin_init', array( $this, 'handle_product_cat_row_actions' ) );

        // Taxonomy page descriptions.
        add_action( 'product_cat_pre_add_form', array( $this, 'product_cat_description' ) );
        add_action( 'after-product_cat-table', array( $this, 'product_cat_notes' ) );

        $attribute_taxonomies = wc_get_attribute_taxonomies();

        if ( ! empty( $attribute_taxonomies ) ) {
            foreach ( $attribute_taxonomies as $attribute ) {
                add_action( 'pa_' . $attribute->attribute_name . '_pre_add_form', array( $this, 'product_attribute_description' ) );
            }
        }

        // Maintain hierarchy of terms.
        add_filter( 'wp_terms_checklist_args', array( $this, 'disable_checked_ontop' ) );

        // Admin footer scripts for this product categories admin screen.
        add_action( 'admin_footer', array( $this, 'scripts_at_product_cat_screen_footer' ) );
    }

    /**
     * Order term when created (put in position 0).
     *
     * @param mixed  $term_id Term ID.
     * @param mixed  $tt_id Term taxonomy ID.
     * @param string $taxonomy Taxonomy slug.
     */
    public function create_term( $term_id, $tt_id = '', $taxonomy = '' ) {
        if ( 'product_cat' != $taxonomy && ! taxonomy_is_product_attribute( $taxonomy ) ) {
            return;
        }

        $meta_name = taxonomy_is_product_attribute( $taxonomy ) ? 'order_' . esc_attr( $taxonomy ) : 'order';

        update_term_meta( $term_id, $meta_name, 0 );
    }

    /**
     * When a term is deleted, delete its meta.
     *
     * @deprecated 3.6.0 No longer needed.
     * @param mixed $term_id Term ID.
     */
    public function delete_term( $term_id ) {
        wc_deprecated_function( 'delete_term', '3.6' );
    }

    /**
     * Category thumbnail fields.
     */
    public function add_category_fields() {
        ?>
        <div class="form-field term-display-type-wrap">
            <label for="display_type"><?php esc_html_e( 'Display type', 'woocommerce' ); ?></label>
            <select id="display_type" name="display_type" class="postform">
                <option value=""><?php esc_html_e( 'Default', 'woocommerce' ); ?></option>
                <option value="products"><?php esc_html_e( 'Products', 'woocommerce' ); ?></option>
                <option value="subcategories"><?php esc_html_e( 'Subcategories', 'woocommerce' ); ?></option>
                <option value="both"><?php esc_html_e( 'Both', 'woocommerce' ); ?></option>
            </select>
        </div>
        <div class="form-field term-thumbnail-wrap">
            <label><?php esc_html_e( 'Thumbnail', 'woocommerce' ); ?></label>
            <div id="product_cat_thumbnail" style="float: left; margin-right: 10px;"><img src="<?php echo esc_url( wc_placeholder_img_src() ); ?>" width="60px" height="60px" /></div>
            <div style="line-height: 60px;">
                <input type="hidden" id="product_cat_thumbnail_id" name="product_cat_thumbnail_id" />
                <button type="button" class="upload_image_button button"><?php esc_html_e( 'Upload/Add image', 'woocommerce' ); ?></button>
                <button type="button" class="remove_image_button button"><?php esc_html_e( 'Remove image', 'woocommerce' ); ?></button>
            </div>
            <script type="text/javascript">

                // Only show the "remove image" button when needed
                if ( ! jQuery( '#product_cat_thumbnail_id' ).val() ) {
                    jQuery( '.remove_image_button' ).hide();
                }

                // Uploading files
                var file_frame;

                jQuery( document ).on( 'click', '.upload_image_button', function( event ) {

                    event.preventDefault();

                    // If the media frame already exists, reopen it.
                    if ( file_frame ) {
                        file_frame.open();
                        return;
                    }

                    // Create the media frame.
                    file_frame = wp.media.frames.downloadable_file = wp.media({
                        title: '<?php esc_html_e( 'Choose an image', 'woocommerce' ); ?>',
                        button: {
                            text: '<?php esc_html_e( 'Use image', 'woocommerce' ); ?>'
                        },
                        multiple: false
                    });

                    // When an image is selected, run a callback.
                    file_frame.on( 'select', function() {
                        var attachment           = file_frame.state().get( 'selection' ).first().toJSON();
                        var attachment_thumbnail = attachment.sizes.thumbnail || attachment.sizes.full;

                        jQuery( '#product_cat_thumbnail_id' ).val( attachment.id );
                        jQuery( '#product_cat_thumbnail' ).find( 'img' ).attr( 'src', attachment_thumbnail.url );
                        jQuery( '.remove_image_button' ).show();
                    });

                    // Finally, open the modal.
                    file_frame.open();
                });

                jQuery( document ).on( 'click', '.remove_image_button', function() {
                    jQuery( '#product_cat_thumbnail' ).find( 'img' ).attr( 'src', '<?php echo esc_js( wc_placeholder_img_src() ); ?>' );
                    jQuery( '#product_cat_thumbnail_id' ).val( '' );
                    jQuery( '.remove_image_button' ).hide();
                    return false;
                });

                jQuery( document ).ajaxComplete( function( event, request, options ) {
                    if ( request && 4 === request.readyState && 200 === request.status
                        && options.data && 0 <= options.data.indexOf( 'action=add-tag' ) ) {

                        var res = wpAjax.parseAjaxResponse( request.responseXML, 'ajax-response' );
                        if ( ! res || res.errors ) {
                            return;
                        }
                        // Clear Thumbnail fields on submit
                        jQuery( '#product_cat_thumbnail' ).find( 'img' ).attr( 'src', '<?php echo esc_js( wc_placeholder_img_src() ); ?>' );
                        jQuery( '#product_cat_thumbnail_id' ).val( '' );
                        jQuery( '.remove_image_button' ).hide();
                        // Clear Display type field on submit
                        jQuery( '#display_type' ).val( '' );
                        return;
                    }
                } );

            </script>
            <div class="clear"></div>
        </div>
        <?php
    }

    /**
     * Edit category thumbnail field.
     *
     * @param mixed $term Term (category) being edited.
     */
    public function edit_category_fields( $term ) {

        $display_type = get_term_meta( $term->term_id, 'display_type', true );
        $thumbnail_id = absint( get_term_meta( $term->term_id, 'thumbnail_id', true ) );

        if ( $thumbnail_id ) {
            $image = wp_get_attachment_thumb_url( $thumbnail_id );
        } else {
            $image = wc_placeholder_img_src();
        }
        ?>
        <tr class="form-field term-display-type-wrap">
            <th scope="row" valign="top"><label><?php esc_html_e( 'Display type', 'woocommerce' ); ?></label></th>
            <td>
                <select id="display_type" name="display_type" class="postform">
                    <option value="" <?php selected( '', $display_type ); ?>><?php esc_html_e( 'Default', 'woocommerce' ); ?></option>
                    <option value="products" <?php selected( 'products', $display_type ); ?>><?php esc_html_e( 'Products', 'woocommerce' ); ?></option>
                    <option value="subcategories" <?php selected( 'subcategories', $display_type ); ?>><?php esc_html_e( 'Subcategories', 'woocommerce' ); ?></option>
                    <option value="both" <?php selected( 'both', $display_type ); ?>><?php esc_html_e( 'Both', 'woocommerce' ); ?></option>
                </select>
            </td>
        </tr>
        <tr class="form-field term-thumbnail-wrap">
            <th scope="row" valign="top"><label><?php esc_html_e( 'Thumbnail', 'woocommerce' ); ?></label></th>
            <td>
                <div id="product_cat_thumbnail" style="float: left; margin-right: 10px;"><img src="<?php echo esc_url( $image ); ?>" width="60px" height="60px" /></div>
                <div style="line-height: 60px;">
                    <input type="hidden" id="product_cat_thumbnail_id" name="product_cat_thumbnail_id" value="<?php echo esc_attr( $thumbnail_id ); ?>" />
                    <button type="button" class="upload_image_button button"><?php esc_html_e( 'Upload/Add image', 'woocommerce' ); ?></button>
                    <button type="button" class="remove_image_button button"><?php esc_html_e( 'Remove image', 'woocommerce' ); ?></button>
                </div>
                <script type="text/javascript">

                    // Only show the "remove image" button when needed
                    if ( '0' === jQuery( '#product_cat_thumbnail_id' ).val() ) {
                        jQuery( '.remove_image_button' ).hide();
                    }

                    // Uploading files
                    var file_frame;

                    jQuery( document ).on( 'click', '.upload_image_button', function( event ) {

                        event.preventDefault();

                        // If the media frame already exists, reopen it.
                        if ( file_frame ) {
                            file_frame.open();
                            return;
                        }

                        // Create the media frame.
                        file_frame = wp.media.frames.downloadable_file = wp.media({
                            title: '<?php esc_html_e( 'Choose an image', 'woocommerce' ); ?>',
                            button: {
                                text: '<?php esc_html_e( 'Use image', 'woocommerce' ); ?>'
                            },
                            multiple: false
                        });

                        // When an image is selected, run a callback.
                        file_frame.on( 'select', function() {
                            var attachment           = file_frame.state().get( 'selection' ).first().toJSON();
                            var attachment_thumbnail = attachment.sizes.thumbnail || attachment.sizes.full;

                            jQuery( '#product_cat_thumbnail_id' ).val( attachment.id );
                            jQuery( '#product_cat_thumbnail' ).find( 'img' ).attr( 'src', attachment_thumbnail.url );
                            jQuery( '.remove_image_button' ).show();
                        });

                        // Finally, open the modal.
                        file_frame.open();
                    });

                    jQuery( document ).on( 'click', '.remove_image_button', function() {
                        jQuery( '#product_cat_thumbnail' ).find( 'img' ).attr( 'src', '<?php echo esc_js( wc_placeholder_img_src() ); ?>' );
                        jQuery( '#product_cat_thumbnail_id' ).val( '' );
                        jQuery( '.remove_image_button' ).hide();
                        return false;
                    });

                </script>
                <div class="clear"></div>
            </td>
        </tr>
        <?php
    }

    /**
     * Save category fields
     *
     * @param mixed  $term_id Term ID being saved.
     * @param mixed  $tt_id Term taxonomy ID.
     * @param string $taxonomy Taxonomy slug.
     */
    public function save_category_fields( $term_id, $tt_id = '', $taxonomy = '' ) {
        if ( isset( $_POST['display_type'] ) && 'product_cat' === $taxonomy ) { // WPCS: CSRF ok, input var ok.
            update_term_meta( $term_id, 'display_type', esc_attr( $_POST['display_type'] ) ); // WPCS: CSRF ok, sanitization ok, input var ok.
        }
        if ( isset( $_POST['product_cat_thumbnail_id'] ) && 'product_cat' === $taxonomy ) { // WPCS: CSRF ok, input var ok.
            update_term_meta( $term_id, 'thumbnail_id', absint( $_POST['product_cat_thumbnail_id'] ) ); // WPCS: CSRF ok, input var ok.
        }
    }

    /**
     * Description for product_cat page to aid users.
     */
    public function product_cat_description() {
        echo wp_kses(
            wpautop( __( 'Product categories for your store can be managed here. To change the order of categories on the front-end you can drag and drop to sort them. To see more categories listed click the "screen options" link at the top-right of this page.', 'woocommerce' ) ),
            array( 'p' => array() )
        );
    }

    /**
     * Add some notes to describe the behavior of the default category.
     */
    public function product_cat_notes() {
        $category_id   = get_option( 'default_product_cat', 0 );
        $category      = get_term( $category_id, 'product_cat' );
        $category_name = ( ! $category || is_wp_error( $category ) ) ? _x( 'Uncategorized', 'Default category slug', 'woocommerce' ) : $category->name;
        ?>
        <div class="form-wrap edit-term-notes">
            <p>
                <strong><?php esc_html_e( 'Note:', 'woocommerce' ); ?></strong><br>
                <?php
                    printf(
                        /* translators: %s: default category */
                        esc_html__( 'Deleting a category does not delete the products in that category. Instead, products that were only assigned to the deleted category are set to the category %s.', 'woocommerce' ),
                        '<strong>' . esc_html( $category_name ) . '</strong>'
                    );
                ?>
            </p>
        </div>
        <?php
    }

    /**
     * Description for shipping class page to aid users.
     */
    public function product_attribute_description() {
        echo wp_kses(
            wpautop( __( 'Attribute terms can be assigned to products and variations.<br/><br/><b>Note</b>: Deleting a term will remove it from all products and variations to which it has been assigned. Recreating a term will not automatically assign it back to products.', 'woocommerce' ) ),
            array( 'p' => array() )
        );
    }

    /**
     * Thumbnail column added to category admin.
     *
     * @param mixed $columns Columns array.
     * @return array
     */
    public function product_cat_columns( $columns ) {
        $new_columns = array();

        if ( isset( $columns['cb'] ) ) {
            $new_columns['cb'] = $columns['cb'];
            unset( $columns['cb'] );
        }

        $new_columns['thumb'] = __( 'Image', 'woocommerce' );

        $columns           = array_merge( $new_columns, $columns );
        $columns['handle'] = '';

        return $columns;
    }

    /**
     * Adjust row actions.
     *
     * @param array  $actions Array of actions.
     * @param object $term Term object.
     * @return array
     */
    public function product_cat_row_actions( $actions, $term ) {
        $default_category_id = absint( get_option( 'default_product_cat', 0 ) );

        if ( $default_category_id !== $term->term_id && current_user_can( 'edit_term', $term->term_id ) ) {
            $actions['make_default'] = sprintf(
                '<a href="%s" aria-label="%s">%s</a>',
                wp_nonce_url( 'edit-tags.php?action=make_default&amp;taxonomy=product_cat&amp;post_type=product&amp;tag_ID=' . absint( $term->term_id ), 'make_default_' . absint( $term->term_id ) ),
                /* translators: %s: taxonomy term name */
                esc_attr( sprintf( __( 'Make &#8220;%s&#8221; the default category', 'woocommerce' ), $term->name ) ),
                __( 'Make default', 'woocommerce' )
            );
        }

        return $actions;
    }

    /**
     * Handle custom row actions.
     */
    public function handle_product_cat_row_actions() {
        if ( isset( $_GET['action'], $_GET['tag_ID'], $_GET['_wpnonce'] ) && 'make_default' === $_GET['action'] ) { // WPCS: CSRF ok, input var ok.
            $make_default_id = absint( $_GET['tag_ID'] ); // WPCS: Input var ok.

            if ( wp_verify_nonce( $_GET['_wpnonce'], 'make_default_' . $make_default_id ) && current_user_can( 'edit_term', $make_default_id ) ) { // WPCS: Sanitization ok, input var ok, CSRF ok.
                update_option( 'default_product_cat', $make_default_id );
            }
        }
    }

    /**
     * Thumbnail column value added to category admin.
     *
     * @param string $columns Column HTML output.
     * @param string $column Column name.
     * @param int    $id Product ID.
     *
     * @return string
     */
    public function product_cat_column( $columns, $column, $id ) {
        if ( 'thumb' === $column ) {
            // Prepend tooltip for default category.
            $default_category_id = absint( get_option( 'default_product_cat', 0 ) );

            if ( $default_category_id === $id ) {
                $columns .= wc_help_tip( __( 'This is the default category and it cannot be deleted. It will be automatically assigned to products with no category.', 'woocommerce' ) );
            }

            $thumbnail_id = get_term_meta( $id, 'thumbnail_id', true );

            if ( $thumbnail_id ) {
                $image = wp_get_attachment_thumb_url( $thumbnail_id );
            } else {
                $image = wc_placeholder_img_src();
            }

            // Prevent esc_url from breaking spaces in urls for image embeds. Ref: https://core.trac.wordpress.org/ticket/23605 .
            $image    = str_replace( ' ', '%20', $image );
            $columns .= '<img src="' . esc_url( $image ) . '" alt="' . esc_attr__( 'Thumbnail', 'woocommerce' ) . '" class="wp-post-image" height="48" width="48" />';
        }
        if ( 'handle' === $column ) {
            $columns .= '<input type="hidden" name="term_id" value="' . esc_attr( $id ) . '" />';
        }
        return $columns;
    }

    /**
     * Maintain term hierarchy when editing a product.
     *
     * @param  array $args Term checklist args.
     * @return array
     */
    public function disable_checked_ontop( $args ) {
        if ( ! empty( $args['taxonomy'] ) && 'product_cat' === $args['taxonomy'] ) {
            $args['checked_ontop'] = false;
        }
        return $args;
    }

    /**
     * Admin footer scripts for the product categories admin screen
     *
     * @return void
     */
    public function scripts_at_product_cat_screen_footer() {
        if ( ! isset( $_GET['taxonomy'] ) || 'product_cat' !== $_GET['taxonomy'] ) { // WPCS: CSRF ok, input var ok.
            return;
        }
        // Ensure the tooltip is displayed when the image column is disabled on product categories.
        wc_enqueue_js(
            "(function( $ ) {
                'use strict';
                var product_cat = $( 'tr#tag-" . absint( $this->default_cat_id ) . "' );
                product_cat.find( 'th' ).empty();
                product_cat.find( 'td.thumb span' ).detach( 'span' ).appendTo( product_cat.find( 'th' ) );
            })( jQuery );"
        );
    }
}

$wc_admin_taxonomies = WC_Admin_Taxonomies::get_instance();