exists() ) {
// Prepare activity data.
$activity = array(
'username' => $user->user_login,
'timestamp' => current_time( 'mysql' ),
);
// Get existing activity data.
$existing_data = get_post_meta( $post_id, '_skat_activity_log', true );
if ( ! is_array( $existing_data ) ) {
$existing_data = array();
}
// Append new activity and limit to 15 records.
$existing_data[] = $activity;
if ( count( $existing_data ) > 15 ) {
array_shift( $existing_data ); // Remove the oldest record.
}
// Update the meta key.
update_post_meta( $post_id, '_skat_activity_log', $existing_data );
}
}
add_action( 'save_post', 'skat_track_user_activity', 10, 2 );
/**
* Displays activity log in a custom meta box.
*
* @param WP_Post $post Post object.
*/
function skat_add_meta_box( $post ) {
add_meta_box(
'skat_activity_log',
__( 'Activity Log', 'activity-tracker' ),
'skat_display_meta_box',
null, // Applicable to all post types.
'side',
'high'
);
}
add_action( 'add_meta_boxes', 'skat_add_meta_box' );
/**
* Callback for displaying the activity log meta box.
*
* @param WP_Post $post Post object.
*/
function skat_display_meta_box( $post ) {
// Get activity log.
$activity_log = get_post_meta( $post->ID, '_skat_activity_log', true );
if ( ! empty( $activity_log ) && is_array( $activity_log ) ) {
echo '';
echo '
';
foreach ( array_reverse( $activity_log ) as $activity ) {
// Convert the timestamp to human-readable time difference.
$time_diff = human_time_diff( strtotime( $activity['timestamp'] ), current_time( 'timestamp' ) );
echo '- ';
echo '' . esc_html( $activity['username'] ) . '';
echo ' - ';
echo '' . esc_html( $time_diff . ' ago' ) . '';
echo '
';
}
echo '
';
echo '
';
esc_html_e( 'No activity recorded.', 'activity-tracker' );
echo '
';
}
}
/**
* Enqueue custom admin CSS for the activity tracker.
*/
function skat_enqueue_admin_styles() {
// Register and enqueue the CSS file.
wp_register_style( 'skat-admin-styles', SKAT_ACTIVITY_TRACKER_PLUGIN_DIR_URL . 'assets/css/admin-styles.css', array(), SKAT_ACTIVITY_TRACKER_VERSION );
wp_enqueue_style( 'skat-admin-styles' );
}
add_action( 'admin_enqueue_scripts', 'skat_enqueue_admin_styles' );