<?php
namespace FluentForm\Database\Migrations;
class Submissions
{
/**
* Migrate the table.
*
* @return void
*/
public static function migrate($force = false)
{
global $wpdb;
$charsetCollate = $wpdb->get_charset_collate();
$table = $wpdb->prefix . 'fluentform_submissions';
$sql = "CREATE TABLE $table (
`id` BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT,
`form_id` INT UNSIGNED NULL,
`serial_number` INT UNSIGNED NULL,
`response` LONGTEXT NULL,
`source_url` VARCHAR(255) NULL,
`user_id` INT UNSIGNED NULL,
`status` VARCHAR(45) NULL DEFAULT 'unread' COMMENT 'possible values: read, unread, trashed',
`is_favourite` TINYINT(1) NOT NULL DEFAULT 0,
`browser` VARCHAR(45) NULL,
`device` VARCHAR(45) NULL,
`ip` VARCHAR(45) NULL,
`city` VARCHAR(45) NULL,
`country` VARCHAR(45) NULL,
`payment_status` VARCHAR(45) NULL,
`payment_method` VARCHAR(45) NULL,
`payment_type` VARCHAR(45) NULL,
`currency` VARCHAR(45) NULL,
`payment_total` FLOAT NULL,
`total_paid` FLOAT NULL,
`created_at` TIMESTAMP NULL,
`updated_at` TIMESTAMP NULL,
PRIMARY KEY (`id`),
KEY `form_id_status` (`form_id`, `status`),
KEY `form_id_created_at` (`form_id`, `created_at`),
KEY `user_id` (`user_id`),
KEY `serial_number` (`serial_number`)) $charsetCollate;";
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- Migration file, direct query needed
if ($force || $wpdb->get_var($wpdb->prepare("SHOW TABLES LIKE %s", $table)) != $table) {
require_once ABSPATH . 'wp-admin/includes/upgrade.php';
dbDelta($sql);
} else {
// Add indexes to existing tables
self::maybeAddIndexes();
}
}
/**
* Add indexes to existing tables for better query performance.
*
* @return void
*/
private static function maybeAddIndexes()
{
global $wpdb;
$table = $wpdb->prefix . 'fluentform_submissions';
// Check if indexes already exist
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQLPlaceholders.UnquotedComplexPlaceholder -- Migration file, checking indexes, %1s is for identifier
$indexes = $wpdb->get_results($wpdb->prepare("SHOW INDEX FROM %1s", $table), ARRAY_A);
$existingIndexes = [];
foreach ($indexes as $index) {
$existingIndexes[] = $index['Key_name'];
}
// Add composite index form_id + status if it doesn't exist
if (!in_array('form_id_status', $existingIndexes)) {
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.PreparedSQLPlaceholders.UnquotedComplexPlaceholder -- Migration file, adding composite index for performance, %1s is for identifier
$wpdb->query($wpdb->prepare("ALTER TABLE %1s ADD KEY `form_id_status` (`form_id`, `status`)", $table));
}
// Add composite index form_id + created_at if it doesn't exist
if (!in_array('form_id_created_at', $existingIndexes)) {
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.PreparedSQLPlaceholders.UnquotedComplexPlaceholder -- Migration file, adding composite index for performance, %1s is for identifier
$wpdb->query($wpdb->prepare("ALTER TABLE %1s ADD KEY `form_id_created_at` (`form_id`, `created_at`)", $table));
}
// Add user_id index if it doesn't exist
if (!in_array('user_id', $existingIndexes)) {
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.PreparedSQLPlaceholders.UnquotedComplexPlaceholder -- Migration file, adding index for performance, %1s is for identifier
$wpdb->query($wpdb->prepare("ALTER TABLE %1s ADD KEY `user_id` (`user_id`)", $table));
}
// Add serial_number index if it doesn't exist
if (!in_array('serial_number', $existingIndexes)) {
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.DirectDatabaseQuery.SchemaChange, WordPress.DB.PreparedSQLPlaceholders.UnquotedComplexPlaceholder -- Migration file, adding index for performance, %1s is for identifier
$wpdb->query($wpdb->prepare("ALTER TABLE %1s ADD KEY `serial_number` (`serial_number`)", $table));
}
}
}