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117 lines
6.0 KiB
117 lines
6.0 KiB
<?php
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function wp_statistics_purge_data( $purge_days ) {
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GLOBAL $wpdb, $WP_Statistics;
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// If it's less than 30 days, don't do anything.
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if($purge_days > 30) {
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// Purge the visit data.
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$table_name = $wpdb->prefix . 'statistics_visit';
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$date_string = $WP_Statistics->current_date( 'Y-m-d', '-' . $purge_days);
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$result = $wpdb->query( $wpdb->prepare( "DELETE FROM {$table_name} WHERE `last_counter` < %s", $date_string ) );
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if($result) {
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// Update the historical count with what we purged.
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$historical_result = $wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->prefix}statistics_historical SET value = value + %d WHERE `category` = 'visits'", $result ) );
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if( $historical_result == 0 ) {
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$wpdb->insert( $wpdb->prefix . "statistics_historical", array( 'value' => $result, 'category' => 'visits', 'page_id' => -2, 'uri' => '-2' ) );
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}
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$result_string = sprintf(__('%s data older than %s days purged successfully.', 'wp_statistics'), '<code>' . $table_name . '</code>', '<code>' . $purge_days . '</code>');
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} else {
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$result_string = sprintf(__('No records found to purge from %s!', 'wp_statistics'), '<code>' . $table_name . '</code>' );
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}
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// Purge the visitors data.
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$table_name = $wpdb->prefix . 'statistics_visitor';
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$result = $wpdb->query( $wpdb->prepare( "DELETE FROM {$table_name} WHERE `last_counter` < %s", $date_string ) );
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if($result) {
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// Update the historical count with what we purged.
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$historical_result = $wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->prefix}statistics_historical SET value = value + %d WHERE `category` = 'visitors'", $result ) );
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if( $historical_result == 0 ) {
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$wpdb->insert( $wpdb->prefix . "statistics_historical", array( 'value' => $result, 'category' => 'visitors', 'page_id' => -1, 'uri' => '-1' ) );
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}
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$result_string .= '<br>' . sprintf(__('%s data older than %s days purged successfully.', 'wp_statistics'), '<code>' . $table_name . '</code>', '<code>' . $purge_days . '</code>');
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} else {
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$result_string .= '<br>' . sprintf(__('No records found to purge from %s!', 'wp_statistics'), '<code>' . $table_name . '</code>' );
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}
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// Purge the exclusions data.
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$table_name = $wpdb->prefix . 'statistics_exclusions';
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$result = $wpdb->query( $wpdb->prepare( "DELETE FROM {$table_name} WHERE `date` < %s", $date_string ) );
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if($result) {
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$result_string .= '<br>' . sprintf(__('%s data older than %s days purged successfully.', 'wp_statistics'), '<code>' . $table_name . '</code>', '<code>' . $purge_days . '</code>');
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} else {
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$result_string .= '<br>' . sprintf(__('No records found to purge from %s!', 'wp_statistics'), '<code>' . $table_name . '</code>' );
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}
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// Purge the search data.
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$table_name = $wpdb->prefix . 'statistics_search';
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$result = $wpdb->query( $wpdb->prepare( "DELETE FROM {$table_name} WHERE `last_counter` < %s", $date_string ) );
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if($result) {
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$result_string .= '<br>' . sprintf(__('%s data older than %s days purged successfully.', 'wp_statistics'), '<code>' . $table_name . '</code>', '<code>' . $purge_days . '</code>');
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} else {
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$result_string .= '<br>' . sprintf(__('No records found to purge from %s!', 'wp_statistics'), '<code>' . $table_name . '</code>' );
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}
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// Purge the pages data, this is more complex as we want to save the historical data per page.
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$table_name = $wpdb->prefix . 'statistics_pages';
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$historical = 0;
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// The first thing we need to do is update the historical data by finding all the unique pages.
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$result = $wpdb->get_results( $wpdb->prepare( "SELECT DISTINCT uri FROM {$table_name} WHERE `date` < %s", $date_string ) );
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// If we have a result, let's store the historical data.
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if( $result ) {
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// Loop through all the unique rows that were returned.
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foreach( $result as $row ) {
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// Use the unique rows to get a total count from the database of all the data from the given URIs/Pageids that we're going to delete later.
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$historical = $wpdb->get_var( $wpdb->prepare( "SELECT sum(count) FROM {$table_name} WHERE `uri` = %s AND `date` < %s", $row->uri, $date_string));
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// Do an update of the historical data.
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$uresult = $wpdb->query( $wpdb->prepare( "UPDATE {$wpdb->prefix}statistics_historical SET `value` = value + %d WHERE `uri` = %s AND `category` = 'uri'", $historical, $row->uri, $date_string ) );
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// If we failed it's because this is the first time we've seen this URI/pageid so let's create a historical row for it.
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if( $uresult == 0 ) {
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$wpdb->insert( $wpdb->prefix . "statistics_historical", array( 'value' => $historical, 'category' => 'uri', 'uri' => $row->uri, 'page_id' => wp_statistics_uri_to_id($row->uri) ) );
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}
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}
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}
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// Now that we've done all of the required historical data storage, we can actually delete the data from the database.
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$result = $wpdb->query( $wpdb->prepare( "DELETE FROM {$table_name} WHERE `date` < %s", $date_string ) );
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if($result) {
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$result_string .= '<br>' . sprintf(__('%s data older than %s days purged successfully.', 'wp_statistics'), '<code>' . $table_name . '</code>', '<code>' . $purge_days . '</code>');
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} else {
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$result_string .= '<br>' . sprintf(__('No records found to purge from %s!', 'wp_statistics'), '<code>' . $table_name . '</code>' );
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}
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if( $WP_Statistics->get_option('prune_report') == true ) {
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$blogname = get_bloginfo('name');
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$blogemail = get_bloginfo('admin_email');
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$headers[] = "From: $blogname <$blogemail>";
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$headers[] = "MIME-Version: 1.0";
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$headers[] = "Content-type: text/html; charset=utf-8";
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if( $WP_Statistics->get_option('email_list') == '' ) { $WP_Statistics->update_option( 'email_list', $blogemail ); }
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wp_mail( $WP_Statistics->get_option('email_list'), __('Database pruned on', 'wp_statistics') . ' ' . $blogname, $result_string, $headers );
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}
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return $result_string;
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} else {
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return __('Please select a value over 30 days.', 'wp_statistics');
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}
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}
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?>
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