get( 'post_type' ) ) {
return;
}
// Force filters to run
$query->set( 'suppress_filters', false );
// Setup doing-it-wrong message
$message = sprintf(
__( 'As of Easy Digital Downloads 3.0, discounts no longer exist in the %1$s table. They have been migrated to %2$s. Discounts should be accessed using %3$s, %4$s or instantiating a new instance of %5$s. See %6$s for more information.', 'easy-digital-downloads' ),
'' . $wpdb->posts . '
',
'' . edd_get_component_interface( 'adjustment', 'table' )->table_name . '
',
'edd_get_discounts()
',
'edd_get_discount()
',
'EDD_Discount
',
'https://easydigitaldownloads.com/development/'
);
_doing_it_wrong( 'get_posts()/get_post()', $message, '3.0' );
}
/**
* Backwards compatibility layer for wp_count_posts().
*
* @since 3.0
*
* @param string $query SQL query.
* @return string $request Rewritten SQL query.
*/
public function wp_count_posts( $query ) {
global $wpdb;
$expected = "SELECT post_status, COUNT( * ) AS num_posts FROM {$wpdb->posts} WHERE post_type = 'edd_discount' GROUP BY post_status";
if ( $expected === $query ) {
$query = "SELECT status AS post_status, COUNT( * ) AS num_posts FROM {$wpdb->edd_adjustments} WHERE type = 'discount' GROUP BY post_status";
}
return $query;
}
/**
* Fill the returned WP_Post objects with the data from the discounts table.
*
* @since 3.0
*
* @param array $posts Posts returned from the SQL query.
* @param \WP_Query $query Instance of WP_Query.
*
* @return array New WP_Post objects.
*/
public function posts_results( $posts, $query ) {
if ( 'posts_results' !== current_filter() ) {
$message = __( 'This function is not meant to be called directly. It is only here for backwards compatibility purposes.', 'easy-digital-downloads' );
_doing_it_wrong( __FUNCTION__, esc_html( $message ), 'EDD 3.0' );
}
if ( 'edd_discount' === $query->get( 'post_type' ) ) {
$new_posts = array();
foreach ( $posts as $post ) {
$discount = edd_get_discount( $post->id );
$object_vars = array(
'ID' => $discount->id,
'post_title' => $discount->name,
'post_status' => $discount->status,
'post_type' => 'edd_discount',
'post_date' => EDD()->utils->date( $discount->date_created, null, true )->toDateTimeString(),
'post_date_gmt' => $discount->date_created,
'post_modified' => EDD()->utils->date( $discount->date_modified, null, true )->toDateTimeString(),
'post_modified_gmt' => $discount->date_created,
);
foreach ( $object_vars as $object_var => $value ) {
$post->{$object_var} = $value;
}
$post = new \WP_Post( $post );
$new_posts[] = $post;
}
return $new_posts;
}
return $posts;
}
/**
* Hijack the SQL query and rewrite it to fetch data from the discounts table.
*
* @since 3.0
*
* @param string $request SQL query.
* @param \WP_Query $query Instance of WP_Query.
*
* @return string $request Rewritten SQL query.
*/
public function posts_request( $request, $query ) {
global $wpdb;
if ( 'posts_request' !== current_filter() ) {
$message = __( 'This function is not meant to be called directly. It is only here for backwards compatibility purposes.', 'easy-digital-downloads' );
_doing_it_wrong( __FUNCTION__, esc_html( $message ), '3.0' );
}
if ( 'edd_discount' === $query->get( 'post_type' ) ) {
$defaults = array(
'number' => 30,
'status' => array( 'active', 'inactive', 'expired' ),
'order' => 'DESC',
'orderby' => 'date_created',
);
$args = array(
'number' => $query->get( 'posts_per_page' ),
'status' => $query->get( 'post_status', array( 'active', 'inactive' ) ),
);
$orderby = $query->get( 'orderby', false );
if ( $orderby ) {
switch ( $orderby ) {
case 'none':
case 'ID':
case 'author':
case 'post__in':
case 'type':
case 'post_type':
$args['orderby'] = 'id';
break;
case 'title':
$args['orderby'] = 'name';
break;
case 'date':
case 'post_date':
case 'modified':
case 'post_modified':
$args['orderby'] = 'date_created';
break;
default:
$args['orderby'] = 'id';
break;
}
}
$offset = $query->get( 'offset', false );
if ( $offset ) {
$args['offset'] = absint( $offset );
} else {
$args['offset'] = 0;
}
if ( 'any' === $args['status'] ) {
$args['status'] = $defaults['status'];
}
$args = wp_parse_args( $args, $defaults );
if ( array_key_exists( 'number', $args ) ) {
$args['number'] = absint( $args['number'] );
}
$table_name = edd_get_component_interface( 'adjustment', 'table' )->table_name;
$meta_query = $query->get( 'meta_query' );
$clauses = array();
$sql_where = "WHERE type = 'discount'";
$meta_key = $query->get( 'meta_key', false );
$meta_value = $query->get( 'meta_value', false );
$columns = wp_list_pluck( edd_get_component_interface( 'adjustment', 'schema' )->columns, 'name' );
// 'meta_key' and 'meta_value' passed as arguments
if ( $meta_key && $meta_value ) {
/**
* Check that the key exists as a column in the table.
* Note: there is no backwards compatibility support for product requirements and excluded
* products as these would be serialized under the old schema.
*/
if ( in_array( $meta_key, $columns, true ) ) {
$sql_where .= ' ' . $wpdb->prepare( "{$meta_key} = %s", $meta_value );
}
}
if ( ! empty( $meta_query ) ) {
foreach ( $meta_query as $key => $query ) {
$relation = 'AND'; // Default relation
if ( is_string( $query ) && 'relation' === $key ) {
$relation = $query;
}
if ( is_array( $query ) ) {
if ( array_key_exists( 'key', $query ) ) {
$query['key'] = str_replace( '_edd_discount_', '', $query['key'] );
/**
* Check that the key exists as a column in the table.
* Note: there is no backwards compatibility support for product requirements and excluded
* products as these would be serialized under the old schema.
*/
if ( in_array( $query['key'], $columns, true ) && array_key_exists( 'value', $query ) ) {
$meta_compare = ! empty( $query['compare'] ) ? $query['compare'] : '=';
$meta_compare = strtoupper( $meta_compare );
$meta_value = $query['value'];
$where = null;
switch ( $meta_compare ) {
case 'IN':
case 'NOT IN':
$meta_compare_string = '(' . substr( str_repeat( ',%s', count( $meta_value ) ), 1 ) . ')';
$where = $wpdb->prepare( $meta_compare_string, $meta_value );
break;
case 'BETWEEN':
case 'NOT BETWEEN':
$meta_value = array_slice( $meta_value, 0, 2 );
$where = $wpdb->prepare( '%1$s AND %1$s', $meta_value );
break;
case 'LIKE':
case 'NOT LIKE':
$meta_value = '%' . $wpdb->esc_like( $meta_value ) . '%';
$where = $wpdb->prepare( '%s', $meta_value );
break;
// EXISTS with a value is interpreted as '='.
case 'EXISTS':
$where = $wpdb->prepare( '%s', $meta_value );
break;
// 'value' is ignored for NOT EXISTS.
case 'NOT EXISTS':
$where = $query['key'] . ' IS NULL';
break;
default:
$where = $wpdb->prepare( '%s', $meta_value );
break;
}
if ( ! is_null( $where ) ) {
$clauses['where'][] = $query['key'] . ' ' . $meta_compare . ' ' . $where;
}
}
}
if ( ! empty( $clauses['where'] ) && is_array( $clauses['where'] ) ) {
$sql_where .= ' AND ( ' . implode( ' ' . $relation . ' ', $clauses['where'] ) . ' )';
}
}
}
}
$request = "SELECT id FROM {$table_name} {$sql_where} ORDER BY {$args['orderby']} {$args['order']} LIMIT {$args['offset']}, {$args['number']};";
}
return $request;
}
/**
* Backwards compatibility filters for get_post_meta() calls on discounts.
*
* @since 3.0
*
* @param mixed $value The value get_post_meta would return if we don't filter.
* @param int $object_id The object ID post meta was requested for.
* @param string $meta_key The meta key requested.
* @param bool $single If a single value or an array of the value is requested.
*
* @return mixed The value to return.
*/
public function get_post_metadata( $value, $object_id, $meta_key, $single ) {
$meta_keys = apply_filters( 'edd_post_meta_discount_backwards_compat_keys', array(
'_edd_discount_status',
'_edd_discount_amount',
'_edd_discount_uses',
'_edd_discount_name',
'_edd_discount_code',
'_edd_discount_expiration',
'_edd_discount_start',
'_edd_discount_is_single_use',
'_edd_discount_is_not_global',
'_edd_discount_product_condition',
'_edd_discount_min_price',
'_edd_discount_max_uses'
) );
// Bail early of not a back-compat key
if ( ! in_array( $meta_key, $meta_keys, true ) ) {
return $value;
}
// Bail if discount does not exist
$discount = edd_get_discount( $object_id );
if ( empty( $discount->id ) ) {
return $value;
}
switch ( $meta_key ) {
case '_edd_discount_name':
case '_edd_discount_status':
case '_edd_discount_amount':
case '_edd_discount_uses':
case '_edd_discount_code':
case '_edd_discount_expiration':
case '_edd_discount_start':
case '_edd_discount_product_condition':
case '_edd_discount_min_price':
case '_edd_discount_max_uses':
$key = str_replace( '_edd_discount_', '', $meta_key );
$value = $discount->{$key};
if ( $this->show_notices ) {
_doing_it_wrong( 'get_post_meta()', 'All discount postmeta has been deprecated since Easy Digital Downloads 3.0! Use edd_get_adjustment_meta()
instead.', 'EDD 3.0' );
if ( $this->show_backtrace ) {
$backtrace = debug_backtrace();
trigger_error( print_r( $backtrace, 1 ) );
}
}
break;
case '_edd_discount_is_single_use':
$value = $discount->get_once_per_customer();
if ( $this->show_notices ) {
_doing_it_wrong( 'get_post_meta()', 'All discount postmeta has been deprecated since Easy Digital Downloads 3.0! Use edd_get_adjustment_meta()
instead.', 'EDD 3.0' );
if ( $this->show_backtrace ) {
$backtrace = debug_backtrace();
trigger_error( print_r( $backtrace, 1 ) );
}
}
break;
case '_edd_discount_is_not_global':
$value = $discount->get_scope();
if ( $this->show_notices ) {
_doing_it_wrong( 'get_post_meta()', 'All discount postmeta has been deprecated since Easy Digital Downloads 3.0! Use edd_get_adjustment_meta()
instead.', 'EDD 3.0' );
if ( $this->show_backtrace ) {
$backtrace = debug_backtrace();
trigger_error( print_r( $backtrace, 1 ) );
}
}
break;
default:
/*
* Developers can hook in here with add_filter( 'edd_get_post_meta_discount_backwards_compat-meta_key... in order to
* Filter their own meta values for backwards compatibility calls to get_post_meta instead of EDD_Discount::get_meta
*/
$value = apply_filters( 'edd_get_post_meta_discount_backwards_compat-' . $meta_key, $value, $object_id );
break;
}
return $value;
}
/**
* Backwards compatibility filters for add/update_post_meta() calls on discounts.
*
* @since 3.0
*
* @param mixed $check Comes in 'null' but if returned not null, WordPress Core will not interact with the postmeta table.
* @param int $object_id The object ID post meta was requested for.
* @param string $meta_key The meta key requested.
* @param mixed $meta_value The value get_post_meta would return if we don't filter.
* @param mixed $prev_value The previous value of the meta
*
* @return mixed Returns 'null' if no action should be taken and WordPress core can continue, or non-null to avoid postmeta.
*/
public function update_post_metadata( $check, $object_id, $meta_key, $meta_value, $prev_value ) {
$meta_keys = apply_filters( 'edd_update_post_meta_discount_backwards_compat_keys', array(
'_edd_discount_status',
'_edd_discount_amount',
'_edd_discount_uses',
'_edd_discount_name',
'_edd_discount_code',
'_edd_discount_expiration',
'_edd_discount_start',
'_edd_discount_is_single_use',
'_edd_discount_is_not_global',
'_edd_discount_product_condition',
'_edd_discount_min_price',
'_edd_discount_max_uses'
) );
// Bail early of not a back-compat key
if ( ! in_array( $meta_key, $meta_keys, true ) ) {
return $check;
}
// Bail if discount does not exist
$discount = edd_get_discount( $object_id );
if ( empty( $discount->id ) ) {
return $check;
}
switch ( $meta_key ) {
case '_edd_discount_name':
case '_edd_discount_status':
case '_edd_discount_amount':
case '_edd_discount_uses':
case '_edd_discount_code':
case '_edd_discount_expiration':
case '_edd_discount_start':
case '_edd_discount_product_condition':
case '_edd_discount_min_price':
case '_edd_discount_max_uses':
$key = str_replace( '_edd_discount_', '', $meta_key );
$discount->{$key} = $meta_value;
$check = $discount->save();
if ( $this->show_notices ) {
_doing_it_wrong( 'add_post_meta()/update_post_meta()', 'All discount postmeta has been deprecated since Easy Digital Downloads 3.0! Use edd_add_adjustment_meta()/edd_update_adjustment_meta()
instead.', 'EDD 3.0' );
if ( $this->show_backtrace ) {
$backtrace = debug_backtrace();
trigger_error( print_r( $backtrace, 1 ) );
}
}
break;
case '_edd_discount_is_single_use':
$discount->once_per_customer = $meta_value;
$check = $discount->save();
// Since the old discounts data was simply stored in a single post meta entry, just don't let it be added.
if ( $this->show_notices ) {
_doing_it_wrong( 'add_post_meta()/update_post_meta()', 'All discount postmeta has been deprecated since Easy Digital Downloads 3.0! Use edd_add_adjustment_meta()/edd_update_adjustment_meta()
instead.', 'EDD 3.0' );
if ( $this->show_backtrace ) {
$backtrace = debug_backtrace();
trigger_error( print_r( $backtrace, 1 ) );
}
}
break;
case '_edd_discount_is_not_global':
$discount->scope = $meta_value;
$check = $discount->save();
// Since the old discounts data was simply stored in a single post meta entry, just don't let it be added.
if ( $this->show_notices ) {
_doing_it_wrong( 'add_post_meta()/update_post_meta()', 'All discount postmeta has been deprecated since Easy Digital Downloads 3.0! Use edd_add_adjustment_meta()/edd_update_adjustment_meta()
instead.', 'EDD 3.0' );
if ( $this->show_backtrace ) {
$backtrace = debug_backtrace();
trigger_error( print_r( $backtrace, 1 ) );
}
}
break;
default:
/*
* Developers can hook in here with add_filter( 'edd_get_post_meta_discount_backwards_compat-meta_key... in order to
* Filter their own meta values for backwards compatibility calls to get_post_meta instead of EDD_Discount::get_meta
*/
$check = apply_filters( 'edd_update_post_meta_discount_backwards_compat-' . $meta_key, $check, $object_id, $meta_value, $prev_value );
break;
}
return $check;
}
}