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feat(collector): add plugin, hook, and DB table metrics #10

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ab0be78
feat(collector): add plugin, hook, and DB table metrics
Ajay-Singh-Adhikari May 5, 2026
d134984
refactor(collector): clean up docblock comments
Ajay-Singh-Adhikari May 5, 2026
a18a5e9
fix(collector): use ARRAY_A to handle information_schema column casing
Ajay-Singh-Adhikari May 6, 2026
5cfc3ef
feat(g5): add WooCommerce order table metrics
Ajay-Singh-Adhikari May 6, 2026
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20 changes: 17 additions & 3 deletions includes/class-bigquery-client.php
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Original file line number Diff line number Diff line change
Expand Up @@ -131,10 +131,24 @@ public function push_metrics( $metrics ) {
rewind( $stream );
$schema = array(
'fields' => array(
array( 'name' => 'timestamp_utc', 'type' => 'TIMESTAMP' ),
array( 'name' => 'timestamp_utc', 'type' => 'TIMESTAMP' ),
array( 'name' => 'site_url', 'type' => 'STRING' ),
// Autoload.
array( 'name' => 'autoloaded_option_count', 'type' => 'INTEGER' ),
array( 'name' => 'autoloaded_option_size', 'type' => 'INTEGER' ),
array( 'name' => 'site_url', 'type' => 'STRING' ),
array( 'name' => 'autoloaded_option_size', 'type' => 'INTEGER' ),
// Plugins.
array( 'name' => 'active_plugin_count', 'type' => 'INTEGER' ),
array( 'name' => 'inactive_plugin_count', 'type' => 'INTEGER' ),
array( 'name' => 'total_plugin_count', 'type' => 'INTEGER' ),
// Hooks.
array( 'name' => 'hook_count', 'type' => 'INTEGER' ),
// Database.
array( 'name' => 'db_total_size_bytes', 'type' => 'INTEGER' ),
// WooCommerce orders.
array( 'name' => 'woo_order_items_size_bytes', 'type' => 'INTEGER' ),
array( 'name' => 'woo_order_itemmeta_size_bytes', 'type' => 'INTEGER' ),
array( 'name' => 'woo_oldest_order_age_days', 'type' => 'INTEGER' ),
array( 'name' => 'woo_archival_trigger', 'type' => 'INTEGER' ),
),
);

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177 changes: 173 additions & 4 deletions includes/class-data-collector.php
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,13 @@ class ProPerf_Data_Collector {
* @return array Collected metrics.
*/
public function get_data() {
return $this->collect_autoloaded_options();
return array_merge(
$this->collect_autoloaded_options(),
$this->collect_plugin_metrics(),
$this->collect_hook_metrics(),
$this->collect_db_table_metrics(),
$this->collect_woo_order_metrics()
);
}

/**
Expand Down Expand Up @@ -67,21 +73,184 @@ public function collect_autoloaded_options() {
);
}

/**
* Collect plugin metrics.
*
* Counts active and inactive plugins installed on the site.
*
* @return array Plugin metrics.
*/
public function collect_plugin_metrics() {
if ( ! function_exists( 'get_plugins' ) ) {
require_once ABSPATH . 'wp-admin/includes/plugin.php';
}

$all_plugins = get_plugins();
$active_plugins = get_option( 'active_plugins', array() );
$active_count = count( $active_plugins );
$total_count = count( $all_plugins );
$inactive_count = $total_count - $active_count;

return array(
'plugins' => array(
'active_count' => $active_count,
'inactive_count' => $inactive_count,
'total_count' => $total_count,
),
);
}

/**
* Collect hook metrics.
*
* Counts registered hooks via $wp_filter.
*
* @return array Hook metrics.
*/
public function collect_hook_metrics() {
global $wp_filter;
$hook_count = is_array( $wp_filter ) ? count( $wp_filter ) : 0;

return array(
'hooks' => array(
'registered_count' => $hook_count,
),
);
}

/**
* Collect database table size metrics.
*
* Reports total DB size and top 10 tables by size.
*
* @return array Database size metrics.
*/
public function collect_db_table_metrics() {
global $wpdb;

$total_size = $wpdb->get_var(
'SELECT SUM(data_length + index_length)
FROM information_schema.tables
WHERE table_schema = DATABASE()'
);

$top_tables = $wpdb->get_results(
'SELECT table_name, ROUND(data_length + index_length) AS size_bytes
FROM information_schema.tables
WHERE table_schema = DATABASE()
ORDER BY size_bytes DESC LIMIT 10',
ARRAY_A
);

$top_tables_map = array();
if ( $top_tables ) {
foreach ( $top_tables as $table ) {
$name = $table['table_name'] ?? $table['TABLE_NAME'] ?? '';
$top_tables_map[ $name ] = intval( $table['size_bytes'] ?? $table['SIZE_BYTES'] ?? 0 );
}
}

return array(
'database' => array(
'total_size_bytes' => $total_size ? intval( $total_size ) : 0,
'top_tables' => $top_tables_map,
),
);
}

/**
* Collect WooCommerce order table metrics.
*
* Measures order_items and order_itemmeta table sizes, oldest order age,
* and sets an archival trigger flag when orders older than 365 days exist.
* Returns zeros with woo_active=false when WooCommerce is not installed.
*
* @return array WooCommerce order metrics.
*/
public function collect_woo_order_metrics() {
if ( ! class_exists( 'WooCommerce' ) ) {
return array(
'woo_orders' => array(
'woo_active' => false,
'order_items_size_bytes' => 0,
'order_itemmeta_size_bytes' => 0,
'oldest_order_age_days' => 0,
'archival_trigger' => false,
),
);
}

global $wpdb;

$order_items_table = $wpdb->prefix . 'woocommerce_order_items';
$order_itemmeta_table = $wpdb->prefix . 'woocommerce_order_itemmeta';

$order_items_size = $wpdb->get_var(
$wpdb->prepare(
'SELECT ROUND(data_length + index_length)
FROM information_schema.tables
WHERE table_schema = DATABASE() AND table_name = %s',
$order_items_table
)
);

$order_itemmeta_size = $wpdb->get_var(
$wpdb->prepare(
'SELECT ROUND(data_length + index_length)
FROM information_schema.tables
WHERE table_schema = DATABASE() AND table_name = %s',
$order_itemmeta_table
)
);

$oldest_order_age_days = $wpdb->get_var(
"SELECT DATEDIFF(NOW(), MIN(post_date))
FROM {$wpdb->posts}
WHERE post_type IN ('shop_order', 'wc_order')
AND post_status != 'trash'"
);
$oldest_order_age_days = $oldest_order_age_days ? intval( $oldest_order_age_days ) : 0;

return array(
'woo_orders' => array(
'woo_active' => true,
'order_items_size_bytes' => $order_items_size ? intval( $order_items_size ) : 0,
'order_itemmeta_size_bytes' => $order_itemmeta_size ? intval( $order_itemmeta_size ) : 0,
'oldest_order_age_days' => $oldest_order_age_days,
'archival_trigger' => $oldest_order_age_days > 365,
),
);
}

/**
* Format metrics for BigQuery.
*
* @param array $metrics Metrics data.
* @return array Formatted data for BigQuery.
*/
public function format_for_bigquery( $metrics ) {
$site_url = get_site_url();
$site_url = get_site_url();
$timestamp = gmdate( 'Y-m-d H:i:s' );

return array(
'timestamp_utc' => $timestamp,
'timestamp_utc' => $timestamp,
'site_url' => $site_url,
// Autoload.
'autoloaded_option_count' => $metrics['autoloaded_option']['count'],
'autoloaded_option_size' => $metrics['autoloaded_option']['size_bytes'],
'site_url' => $site_url,
// Plugins.
'active_plugin_count' => $metrics['plugins']['active_count'],
'inactive_plugin_count' => $metrics['plugins']['inactive_count'],
'total_plugin_count' => $metrics['plugins']['total_count'],
// Hooks.
'hook_count' => $metrics['hooks']['registered_count'],
// Database.
'db_total_size_bytes' => $metrics['database']['total_size_bytes'],
// WooCommerce orders.
'woo_order_items_size_bytes' => $metrics['woo_orders']['order_items_size_bytes'],
'woo_order_itemmeta_size_bytes' => $metrics['woo_orders']['order_itemmeta_size_bytes'],
'woo_oldest_order_age_days' => $metrics['woo_orders']['oldest_order_age_days'],
'woo_archival_trigger' => $metrics['woo_orders']['archival_trigger'] ? 1 : 0,
);
}
}
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