woocommerce/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 layered nav widget.
*
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* @author WooThemes
* @category Admin
* @package WooCommerce/Admin
* @version 2.3.0
*/
if ( ! defined( 'ABSPATH' ) ) {
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exit;
}
/**
* WC_Admin_Attributes Class
*/
class WC_Admin_Attributes {
/**
* Handles output of the attributes page in admin.
*
* Shows the created attributes and lets you add new ones or edit existing ones.
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* The added attributes are stored in the database and can be used for layered navigation.
*/
public static function output() {
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$result = '';
$action = '';
// Action to perform: add, edit, delete or none
if ( ! empty( $_POST['add_new_attribute'] ) ) {
$action = 'add';
} elseif ( ! empty( $_POST['save_attribute'] ) && ! empty( $_GET['edit'] ) ) {
$action = 'edit';
} elseif ( ! empty( $_GET['delete'] ) ) {
$action = 'delete';
}
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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;
}
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if ( is_wp_error( $result ) ) {
echo '<div id="woocommerce_errors" class="error fade"><p>' . $result->get_error_message() . '</p></div>';
}
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// Show admin interface
if ( ! empty( $_GET['edit'] ) ) {
self::edit_attribute();
} else {
self::add_attribute();
}
}
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/**
* Get and sanitize posted attribute data
* @return array
*/
private static function get_posted_attribute() {
$attribute = array(
'attribute_label' => isset( $_POST['attribute_label'] ) ? wc_clean( stripslashes( $_POST['attribute_label'] ) ) : '',
'attribute_name' => isset( $_POST['attribute_name'] ) ? wc_sanitize_taxonomy_name( stripslashes( $_POST['attribute_name'] ) ) : '',
'attribute_type' => isset( $_POST['attribute_type'] ) ? wc_clean( $_POST['attribute_type'] ) : 'select',
'attribute_orderby' => isset( $_POST['attribute_orderby'] ) ? wc_clean( $_POST['attribute_orderby'] ) : '',
'attribute_public' => isset( $_POST['attribute_public'] ) ? 1 : 0
);
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_label'] ) ) {
$attribute['attribute_name'] = wc_sanitize_taxonomy_name( $attribute['attribute_label'] );
}
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return $attribute;
}
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/**
* See if an attribute name is valid
* @param string $attribute_name
* @return bool|WP_error result
*/
private static function valid_attribute_name( $attribute_name ) {
// Forbidden attribute names
// http://codex.wordpress.org/Function_Reference/register_taxonomy#Reserved_Terms
$reserved_terms = array(
'attachment', 'attachment_id', 'author', 'author_name', 'calendar', 'cat', 'category', 'category__and',
'category__in', 'category__not_in', 'category_name', 'comments_per_page', 'comments_popup', 'cpage', 'day',
'debug', 'error', 'exact', 'feed', 'hour', 'link_category', 'm', 'minute', 'monthnum', 'more', 'name',
'nav_menu', 'nopaging', 'offset', 'order', 'orderby', 'p', 'page', 'page_id', 'paged', 'pagename', 'pb', 'perm',
'post', 'post__in', 'post__not_in', 'post_format', 'post_mime_type', 'post_status', 'post_tag', 'post_type',
'posts', 'posts_per_archive_page', 'posts_per_page', 'preview', 'robots', 's', 'search', 'second', 'sentence',
'showposts', 'static', 'subpost', 'subpost_id', 'tag', 'tag__and', 'tag__in', 'tag__not_in', 'tag_id',
'tag_slug__and', 'tag_slug__in', 'taxonomy', 'tb', 'term', 'type', 'w', 'withcomments', 'withoutcomments', 'year',
);
if ( strlen( $attribute_name ) >= 28 ) {
return new WP_Error( 'error', sprintf( __( 'Slug "%s" is too long (28 characters max). Shorten it, please.', 'woocommerce' ), sanitize_title( $attribute_name ) ) );
} elseif ( in_array( $attribute_name, $reserved_terms ) ) {
return new WP_Error( 'error', __( 'Slug "%s" is not allowed because it is a reserved term. Change it, please.', 'woocommerce' ), sanitize_title( $attribute_name ) );
}
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return true;
}
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/**
* Add an attribute
* @return bool|WP_Error
*/
private static function process_add_attribute() {
global $wpdb;
check_admin_referer( 'woocommerce-add-new_attribute' );
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$attribute = self::get_posted_attribute();
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if ( empty( $attribute['attribute_name'] ) || empty( $attribute['attribute_label'] ) ) {
return new WP_Error( 'error', __( 'Please, provide an attribute name and slug.', 'woocommerce' ) );
} elseif ( ( $valid_attribute_name = self::valid_attribute_name( $attribute['attribute_name'] ) ) && is_wp_error( $valid_attribute_name ) ) {
return $valid_attribute_name;
} elseif ( $taxonomy_exists = taxonomy_exists( wc_attribute_taxonomy_name( $attribute['attribute_name'] ) ) ) {
return new WP_Error( 'error', sprintf( __( 'Slug "%s" is already in use. Change it, please.', 'woocommerce' ), sanitize_title( $attribute['attribute_name'] ) ) );
}
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$wpdb->insert( $wpdb->prefix . 'woocommerce_attribute_taxonomies', $attribute );
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do_action( 'woocommerce_attribute_added', $wpdb->insert_id, $attribute );
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flush_rewrite_rules();
delete_transient( 'wc_attribute_taxonomies' );
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return true;
}
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/**
* Edit an attribute
* @return bool|WP_Error
*/
private static function process_edit_attribute() {
global $wpdb;
$attribute_id = absint( $_GET['edit'] );
check_admin_referer( 'woocommerce-save-attribute_' . $attribute_id );
$attribute = self::get_posted_attribute();
if ( empty( $attribute['attribute_name'] ) || empty( $attribute['attribute_label'] ) ) {
return new WP_Error( 'error', __( 'Please, provide an attribute name and slug.', 'woocommerce' ) );
} elseif ( ( $valid_attribute_name = self::valid_attribute_name( $attribute['attribute_name'] ) ) && is_wp_error( $valid_attribute_name ) ) {
return $valid_attribute_name;
}
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$taxonomy_exists = taxonomy_exists( wc_attribute_taxonomy_name( $attribute['attribute_name'] ) );
$old_attribute_name = $wpdb->get_var( "SELECT attribute_name FROM {$wpdb->prefix}woocommerce_attribute_taxonomies WHERE attribute_id = $attribute_id" );
if ( $old_attribute_name != $attribute['attribute_name'] && wc_sanitize_taxonomy_name( $old_attribute_name ) != $attribute['attribute_name'] && $taxonomy_exists ) {
return new WP_Error( 'error', sprintf( __( 'Slug "%s" is already in use. Change it, please.', 'woocommerce' ), sanitize_title( $attribute['attribute_name'] ) ) );
}
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$wpdb->update( $wpdb->prefix . 'woocommerce_attribute_taxonomies', $attribute, array( 'attribute_id' => $attribute_id ) );
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do_action( 'woocommerce_attribute_updated', $attribute_id, $attribute, $old_attribute_name );
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if ( $old_attribute_name != $attribute['attribute_name'] && ! empty( $old_attribute_name ) ) {
// Update taxonomies in the wp term taxonomy table
$wpdb->update(
$wpdb->term_taxonomy,
array( 'taxonomy' => wc_attribute_taxonomy_name( $attribute['attribute_name'] ) ),
array( 'taxonomy' => 'pa_' . $old_attribute_name )
);
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// Update taxonomy ordering term meta
$wpdb->update(
$wpdb->prefix . 'woocommerce_termmeta',
array( 'meta_key' => 'order_pa_' . sanitize_title( $attribute['attribute_name'] ) ),
array( 'meta_key' => 'order_pa_' . sanitize_title( $old_attribute_name ) )
);
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// Update product attributes which use this taxonomy
$old_attribute_name_length = strlen( $old_attribute_name ) + 3;
$attribute_name_length = strlen( $attribute['attribute_name'] ) + 3;
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$wpdb->query( "
UPDATE {$wpdb->postmeta}
SET meta_value = REPLACE( meta_value, 's:{$old_attribute_name_length}:\"pa_{$old_attribute_name}\"', 's:{$attribute_name_length}:\"pa_{$attribute['attribute_name']}\"' )
WHERE meta_key = '_product_attributes'"
);
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// Update variations which use this taxonomy
$wpdb->update(
$wpdb->postmeta,
array( 'meta_key' => 'attribute_pa_' . sanitize_title( $attribute['attribute_name'] ) ),
array( 'meta_key' => 'attribute_pa_' . sanitize_title( $old_attribute_name ) )
);
}
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echo '<div class="updated fade"><p>' . __( 'Attribute updated successfully', 'woocommerce' ) . '</p></div>';
flush_rewrite_rules();
delete_transient( 'wc_attribute_taxonomies' );
return true;
}
/**
* Delete an attribute
* @return bool
*/
private static function process_delete_attribute() {
global $wpdb;
$attribute_id = absint( $_GET['delete'] );
check_admin_referer( 'woocommerce-delete-attribute_' . $attribute_id );
$attribute_name = $wpdb->get_var( "SELECT attribute_name FROM {$wpdb->prefix}woocommerce_attribute_taxonomies WHERE attribute_id = $attribute_id" );
if ( $attribute_name && $wpdb->query( "DELETE FROM {$wpdb->prefix}woocommerce_attribute_taxonomies WHERE attribute_id = $attribute_id" ) ) {
$taxonomy = wc_attribute_taxonomy_name( $attribute_name );
if ( taxonomy_exists( $taxonomy ) ) {
$terms = get_terms( $taxonomy, 'orderby=name&hide_empty=0' );
foreach ( $terms as $term ) {
wp_delete_term( $term->term_id, $taxonomy );
}
}
do_action( 'woocommerce_attribute_deleted', $attribute_id, $attribute_name, $taxonomy );
delete_transient( 'wc_attribute_taxonomies' );
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return true;
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}
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return false;
}
/**
* Edit Attribute admin panel
*
* Shows the interface for changing an attributes type between select and text
*/
public static function edit_attribute() {
global $wpdb;
$edit = absint( $_GET['edit'] );
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$attribute_to_edit = $wpdb->get_row( "SELECT * FROM " . $wpdb->prefix . "woocommerce_attribute_taxonomies WHERE attribute_id = '$edit'" );
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$att_type = $attribute_to_edit->attribute_type;
$att_label = $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;
?>
<div class="wrap woocommerce">
<div class="icon32 icon32-attributes" id="icon-woocommerce"><br/></div>
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<h2><?php _e( 'Edit Attribute', 'woocommerce' ) ?></h2>
<form action="edit.php?post_type=product&amp;page=product_attributes&amp;edit=<?php echo absint( $edit ); ?>" method="post">
<table class="form-table">
<tbody>
<tr class="form-field form-required">
<th scope="row" valign="top">
<label for="attribute_label"><?php _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 _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 _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 _e( 'Unique slug/reference for the attribute; must be shorter than 28 characters.', 'woocommerce' ); ?></p>
</td>
</tr>
<tr class="form-field form-required">
<th scope="row" valign="top">
<label for="attribute_public"><?php _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 _e( 'Enable this if you want this attribute to have product archives in your store.', 'woocommerce' ); ?></p>
</td>
</tr>
<tr class="form-field form-required">
<th scope="row" valign="top">
<label for="attribute_type"><?php _e( 'Type', 'woocommerce' ); ?></label>
</th>
<td>
<select name="attribute_type" id="attribute_type">
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<option value="select" <?php selected( $att_type, 'select' ); ?>><?php _e( 'Select', 'woocommerce' ); ?></option>
<option value="text" <?php selected( $att_type, 'text' ); ?>><?php _e( 'Text', 'woocommerce' ); ?></option>
<?php do_action('woocommerce_admin_attribute_types'); ?>
</select>
<p class="description"><?php _e( 'Determines how you select attributes for products. Under admin panel -> products -> product data -> attributes -> values, <strong>Text</strong> allows manual entry whereas <strong>select</strong> allows pre-configured terms in a drop-down list.', 'woocommerce' ); ?></p>
</td>
</tr>
<tr class="form-field form-required">
<th scope="row" valign="top">
<label for="attribute_orderby"><?php _e( 'Default sort order', 'woocommerce' ); ?></label>
</th>
<td>
<select name="attribute_orderby" id="attribute_orderby">
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<option value="menu_order" <?php selected( $att_orderby, 'menu_order' ); ?>><?php _e( 'Custom ordering', 'woocommerce' ); ?></option>
<option value="name" <?php selected( $att_orderby, 'name' ); ?>><?php _e( 'Name', 'woocommerce' ); ?></option>
<option value="name_num" <?php selected( $att_orderby, 'name_num' ); ?>><?php _e( 'Name (numeric)', 'woocommerce' ); ?></option>
<option value="id" <?php selected( $att_orderby, 'id' ); ?>><?php _e( 'Term ID', 'woocommerce' ); ?></option>
</select>
<p class="description"><?php _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>
</tbody>
</table>
<p class="submit"><input type="submit" name="save_attribute" id="submit" class="button-primary" value="<?php _e( 'Update', 'woocommerce' ); ?>"></p>
<?php wp_nonce_field( 'woocommerce-save-attribute_' . $edit ); ?>
</form>
</div>
<?php
}
/**
* Add Attribute admin panel
*
* Shows the interface for adding new attributes
*/
public static function add_attribute() {
?>
<div class="wrap woocommerce">
<div class="icon32 icon32-attributes" id="icon-woocommerce"><br/></div>
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<h2><?php _e( 'Attributes', 'woocommerce' ); ?></h2>
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<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>
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<th scope="col"><?php _e( 'Name', 'woocommerce' ); ?></th>
<th scope="col"><?php _e( 'Slug', 'woocommerce' ); ?></th>
<th scope="col"><?php _e( 'Type', 'woocommerce' ); ?></th>
<th scope="col"><?php _e( 'Order by', 'woocommerce' ); ?></th>
<th scope="col" colspan="2"><?php _e( 'Terms', 'woocommerce' ); ?></th>
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</tr>
</thead>
<tbody>
<?php
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if ( $attribute_taxonomies = wc_get_attribute_taxonomies() ) :
foreach ( $attribute_taxonomies as $tax ) :
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?><tr>
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<td>
<strong><a href="edit-tags.php?taxonomy=<?php echo esc_html( wc_attribute_taxonomy_name( $tax->attribute_name ) ); ?>&amp;post_type=product"><?php echo esc_html( $tax->attribute_label ); ?></a></strong>
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<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 _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 _e( 'Delete', 'woocommerce' ); ?></a></span></div>
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</td>
<td><?php echo esc_html( $tax->attribute_name ); ?></td>
<td><?php echo esc_html( ucfirst( $tax->attribute_type ) ); ?> <?php echo $tax->attribute_public ? '(' . __( 'Public', 'woocommerce' ) . ')' : ''; ?></td>
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<td><?php
switch ( $tax->attribute_orderby ) {
case 'name' :
_e( 'Name', 'woocommerce' );
break;
case 'name_num' :
_e( 'Name (numeric)', 'woocommerce' );
break;
case 'id' :
_e( 'Term ID', 'woocommerce' );
break;
default:
_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' );
switch ( $tax->attribute_orderby ) {
case 'name_num' :
usort( $terms, '_wc_get_product_terms_name_num_usort_callback' );
break;
case 'parent' :
usort( $terms, '_wc_get_product_terms_parent_usort_callback' );
break;
}
$terms_string = implode( ', ', wp_list_pluck( $terms, 'name' ) );
if ( $terms_string ) {
echo $terms_string;
} else {
echo '<span class="na">&ndash;</span>';
}
} else {
echo '<span class="na">&ndash;</span>';
}
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?></td>
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<td class="attribute-actions"><a href="edit-tags.php?taxonomy=<?php echo esc_html( wc_attribute_taxonomy_name( $tax->attribute_name ) ); ?>&amp;post_type=product" class="button alignright tips configure-terms" data-tip="<?php _e( 'Configure terms', 'woocommerce' ); ?>"><?php _e( 'Configure terms', 'woocommerce' ); ?></a></td>
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</tr><?php
endforeach;
else :
?><tr><td colspan="6"><?php _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">
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<h3><?php _e( 'Add New Attribute', 'woocommerce' ); ?></h3>
<p><?php _e( 'Attributes let you define extra product data, such as size or colour. You can use these attributes in the shop sidebar using the "layered nav" widgets. Please note: you cannot rename an attribute later on.', 'woocommerce' ); ?></p>
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<form action="edit.php?post_type=product&amp;page=product_attributes" method="post">
<div class="form-field">
<label for="attribute_label"><?php _e( 'Name', 'woocommerce' ); ?></label>
<input name="attribute_label" id="attribute_label" type="text" value="" />
<p class="description"><?php _e( 'Name for the attribute (shown on the front-end).', 'woocommerce' ); ?></p>
</div>
<div class="form-field">
<label for="attribute_name"><?php _e( 'Slug', 'woocommerce' ); ?></label>
<input name="attribute_name" id="attribute_name" type="text" value="" maxlength="28" />
<p class="description"><?php _e( 'Unique slug/reference for the attribute; must be shorter 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 _e( 'Enable Archives?', 'woocommerce' ); ?></label>
<p class="description"><?php _e( 'Enable this if you want this attribute to have product archives in your store.', 'woocommerce' ); ?></p>
</div>
<div class="form-field">
<label for="attribute_type"><?php _e( 'Type', 'woocommerce' ); ?></label>
<select name="attribute_type" id="attribute_type">
<option value="select"><?php _e( 'Select', 'woocommerce' ) ?></option>
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<option value="text"><?php _e( 'Text', 'woocommerce' ); ?></option>
<?php do_action('woocommerce_admin_attribute_types'); ?>
</select>
<p class="description"><?php _e( 'Determines how you select attributes for products. Under admin panel -> products -> product data -> attributes -> values, <strong>Text</strong> allows manual entry whereas <strong>select</strong> allows pre-configured terms in a drop-down list.', 'woocommerce' ); ?></p>
</div>
<div class="form-field">
<label for="attribute_orderby"><?php _e( 'Default sort order', 'woocommerce' ); ?></label>
<select name="attribute_orderby" id="attribute_orderby">
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<option value="menu_order"><?php _e( 'Custom ordering', 'woocommerce' ); ?></option>
<option value="name"><?php _e( 'Name', 'woocommerce' ); ?></option>
<option value="id"><?php _e( 'Term ID', 'woocommerce' ); ?></option>
</select>
<p class="description"><?php _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>
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<p class="submit"><input type="submit" name="add_new_attribute" id="submit" class="button button-primary" value="<?php _e( 'Add Attribute', 'woocommerce' ); ?>"></p>
<?php wp_nonce_field( 'woocommerce-add-new_attribute' ); ?>
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</form>
</div>
</div>
</div>
</div>
<script type="text/javascript">
/* <![CDATA[ */
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jQuery( 'a.delete' ).click( function() {
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if ( window.confirm( "<?php _e( 'Are you sure you want to delete this attribute?', 'woocommerce' ); ?>" ) ) {
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return true;
}
return false;
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});
/* ]]> */
</script>
</div>
<?php
}
}