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Refactor WC_Admin_Log_Table_List::prepare_items 

Extract several methods to simplify structure and flow
This commit is contained in:
Jon Surrell 2017-01-02 14:25:21 +01:00
parent 90ef632fa5
commit b4b5c5124a
1 changed files with 108 additions and 46 deletions
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140
includes/admin/class-wc-admin-log-table-list.php
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@ -202,7 +202,7 @@ class WC_Admin_Log_Table_List extends WP_List_Table {
$source_count = count( $sources );
if ( !$source_count ) {
if ( ! $source_count ) {
return;
}
@ -211,15 +211,13 @@ class WC_Admin_Log_Table_List extends WP_List_Table {
<label for="filter-by-source" class="screen-reader-text"><?php _e( 'Filter by source', 'woocommerce' ); ?></label>
<select name="source" id="filter-by-source">
<option<?php selected( $selected_source, '' ); ?> value=""><?php _e( 'All', 'woocommerce' ); ?></option>
<?php
foreach ( $sources as $s ) {
<?php foreach ( $sources as $s ) {
printf( '<option%1$s value="%2$s">%3$s</option>',
selected( $selected_source, $s, false ),
esc_attr( $s ),
esc_html( $s )
);
}
?>
} ?>
</select>
<?php
}
@ -232,13 +230,58 @@ class WC_Admin_Log_Table_List extends WP_List_Table {
public function prepare_items() {
global $wpdb;
$per_page = apply_filters( 'woocommerce_status_log_items_per_page', 10 );
$columns = $this->get_columns();
$hidden = array();
$sortable = $this->get_sortable_columns();
$this->prepare_column_headers();
$this->_column_headers = array( $columns, $hidden, $sortable );
$per_page = $this->get_items_per_page( 'woocommerce_status_log_items_per_page', 10 );
$where = $this->get_items_query_where();
$order = $this->get_items_query_order();
$limit = $this->get_items_query_limit();
$offset = $this->get_items_query_offset();
$query_items = "
SELECT log_id, timestamp, level, message, source
FROM {$wpdb->prefix}woocommerce_log
{$where} {$order} {$limit} {$offset}
";
$this->items = $wpdb->get_results( $query_items, ARRAY_A );
$query_count = "SELECT COUNT(log_id) FROM {$wpdb->prefix}woocommerce_log {$where}";
$total_items = $wpdb->get_var( $query_count );
$this->set_pagination_args( array(
'total_items' => $total_items,
'per_page' => $per_page,
'total_pages' => ceil( $total_items / $per_page ),
) );
}
/**
* Get prepared LIMIT clause for items query
*
* @global wpdb $wpdb
*
* @return string Prepared LIMIT clasue for items query.
*/
protected function get_items_query_limit() {
global $wpdb;
$per_page = $this->get_items_per_page( 'woocommerce_status_log_items_per_page', 10 );
return $wpdb->prepare( 'LIMIT %d', $per_page );
}
/**
* Get prepared OFFSET clause for items query
*
* @global wpdb $wpdb
*
* @return string Prepared OFFSET clasue for items query.
*/
protected function get_items_query_offset() {
global $wpdb;
$per_page = $this->get_items_per_page( 'woocommerce_status_log_items_per_page', 10 );
$current_page = $this->get_pagenum();
if ( 1 < $current_page ) {
$offset = $per_page * ( $current_page - 1 );
@ -246,6 +289,42 @@ class WC_Admin_Log_Table_List extends WP_List_Table {
$offset = 0;
}
return $wpdb->prepare( 'OFFSET %d', $offset );
}
/**
* Get prepared ORDER BY clause for items query
*
* @return string Prepared ORDERY BY clause for items query.
*/
protected function get_items_query_order() {
$valid_orders = array( 'log_id', 'level', 'source', 'timestamp' );
if ( ! empty( $_REQUEST['orderby'] ) && in_array( $_REQUEST['orderby'], $valid_orders ) ) {
$by = $_REQUEST['orderby'];
} else {
$by = 'log_id';
}
$by = esc_sql( $by );
if ( ! empty( $_REQUEST['order'] ) && 'asc' === strtolower( $_REQUEST['order'] ) ) {
$order = 'ASC';
} else {
$order = 'DESC';
}
return "ORDER BY {$by} {$order}";
}
/**
* Get prepared WHERE clause for items query
*
* @global wpdb $wpdb
*
* @return string Prepared WHERE clasue for items query.
*/
protected function get_items_query_where() {
global $wpdb;
$where_conditions = array();
$where_values = array();
if ( ! empty( $_REQUEST['level'] ) && WC_Log_Levels::is_valid_level( $_REQUEST['level'] ) ) {
@ -257,38 +336,21 @@ class WC_Admin_Log_Table_List extends WP_List_Table {
$where_values[] = $_REQUEST['source'];
}
$valid_orders = array( 'log_id', 'level', 'source', 'timestamp' );
if ( ! empty( $_REQUEST['orderby'] ) && in_array( $_REQUEST['orderby'], $valid_orders ) ) {
$order_by = $_REQUEST['orderby'];
if ( ! empty( $where_conditions ) ) {
return $wpdb->prepare( 'WHERE 1 = 1 AND ' . implode( ' AND ', $where_conditions ), $where_values );
} else {
$order_by = 'log_id';
return '';
}
$order_by = esc_sql( $order_by );
if ( ! empty( $_REQUEST['order'] ) && 'asc' === strtolower( $_REQUEST['order'] ) ) {
$order_order = 'ASC';
} else {
$order_order = 'DESC';
}
$select = 'SELECT log_id, timestamp, level, message, source';
$from = "FROM {$wpdb->prefix}woocommerce_log";
$where = ! empty( $where_conditions )
? $wpdb->prepare( 'WHERE 1 = 1 AND ' . implode( ' AND ', $where_conditions ), $where_values )
: '';
$order = "ORDER BY {$order_by} {$order_order}";
$limit_offset = $wpdb->prepare( 'LIMIT %d OFFSET %d', $per_page, $offset );
$query = "{$select} {$from} {$where} {$order} {$limit_offset}";
$query_count = "SELECT COUNT(log_id) {$from} {$where}";
$this->items = $wpdb->get_results( $query, ARRAY_A );
$total_items = $wpdb->get_var( $query_count );
$this->set_pagination_args( array(
'total_items' => $total_items,
'per_page' => $per_page,
'total_pages' => ceil( $total_items / $per_page ),
) );
/**
* Set _column_headers property for table list
*/
protected function prepare_column_headers() {
$this->_column_headers = array(
$this->get_columns(),
array(),
$this->get_sortable_columns(),
);
}
}