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<?php
namespace WPForms\Migrations;
use WPForms\Admin\Forms\Table\Facades\Columns;
use WPForms\Analytics\Analytics;
use WPForms\Helpers\DB;
/**
* Analytics migration (Lite).
*
* Two-step migration shipped with 2.0.0:
*
* 1. Analytics table creation is handled by the self-healing custom-tables
* registry (WPForms\Helpers\DB::create_custom_tables()). The registry
* creates missing tables without dropping data, keeping this step idempotent
* across repeated migration runs and fresh installs alike. It does NOT align
* columns on tables that already exist — it skips them unchanged, so schema
* changes to an existing table need a dedicated migration.
*
* 2. Forms Overview saved-columns evolution: append the analytics columns to
* each user's saved column meta and remove the now-default-hidden
* Shortcode column. Without this, users who customized their column order
* before 2.0.0 would have to enable the new analytics columns manually
* via Screen Options.
*
* Idempotent: the custom-tables registry skips tables that already exist
* (it does not alter them); the column-meta sweep skips users whose saved meta
* already contains the analytics columns and has no retired columns to drop.
*
* @since 2.0.0
*/
class Upgrade2_0_0 extends UpgradeBase {
/**
* Forms Overview columns introduced in 2.0.0.
*
* @since 2.0.0
*/
private const NEW_OVERVIEW_COLUMNS = [
'analytics_views',
'analytics_interactions',
'analytics_conversion',
];
/**
* Forms Overview columns retired (default-hidden) in 2.0.0.
*
* Removed from saved user meta so the analytics columns become visible
* in the same row footprint by default. Users can re-enable Shortcode
* via Screen Options - the column itself is still registered.
*
* @since 2.0.0
*/
private const RETIRED_OVERVIEW_COLUMNS = [
'shortcode',
];
/**
* Anchor key used to position the new analytics columns inside saved meta.
*
* Inserts the new columns immediately after the Entries column when the
* user has it saved; otherwise appends them at the end of the list.
*
* @since 2.0.0
*/
private const OVERVIEW_INSERT_AFTER = 'entries';
/**
* Run the upgrade.
*
* @since 2.0.0
*
* @return bool|null true = completed, false = failed, null = background task in progress.
*/
public function run(): ?bool {
// Tables are created by the self-healing custom-tables registry. This
// also covers fresh installs where this migration is version-gated out.
DB::create_custom_tables( true );
// Skip the saved-meta sweep when the analytics feature is killed.
// Tables remain dormant (not uninstalled), but the per-user column
// reshuffle is an analytics-feature concern and must not run when the
// feature is filtered off.
if ( Analytics::is_enabled() ) {
$this->migrate_overview_columns_user_meta();
}
return true;
}
/**
* Sweep every user with saved Forms Overview column meta and bring it in
* line with the 2.0.0 default visible set.
*
* Bounded operation - the meta key is set only for admin users who have
* customized columns via Screen Options or drag-and-drop. A direct
* usermeta query is cheaper and more PHPCS-friendly than `get_users()`
* with `meta_key`.
*
* @since 2.0.0
*/
private function migrate_overview_columns_user_meta(): void {
global $wpdb;
// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.SlowDBQuery.slow_db_query_meta_key
$user_ids = $wpdb->get_col(
$wpdb->prepare(
"SELECT user_id FROM {$wpdb->usermeta} WHERE meta_key = %s",
Columns::COLUMNS_USER_META_NAME
)
);
if ( empty( $user_ids ) ) {
return;
}
foreach ( $user_ids as $user_id ) {
$this->migrate_overview_columns_for_user( (int) $user_id );
}
}
/**
* Apply the column-meta evolution to one user's saved meta.
*
* Skips users whose saved meta is empty or non-array. The pure helper
* `evolve_overview_columns()` returns the input unchanged when there is
* nothing to add and nothing to remove, keeping repeated migration runs
* idempotent at zero write cost.
*
* @since 2.0.0
*
* @param int $user_id User ID.
*/
private function migrate_overview_columns_for_user( int $user_id ): void {
$saved = get_user_meta( $user_id, Columns::COLUMNS_USER_META_NAME, true );
if ( ! is_array( $saved ) || empty( $saved ) ) {
return;
}
$migrated = self::evolve_overview_columns(
$saved,
self::NEW_OVERVIEW_COLUMNS,
self::RETIRED_OVERVIEW_COLUMNS,
self::OVERVIEW_INSERT_AFTER
);
if ( $migrated === $saved ) {
return;
}
update_user_meta( $user_id, Columns::COLUMNS_USER_META_NAME, $migrated );
}
/**
* Pure helper: drop retired keys, then insert new keys after the anchor.
*
* Extracted as a static method so it is unit-testable without hitting WP
* options/usermeta or the DB. Idempotent: a saved list that already
* contains every new key and no retired keys passes through unchanged.
*
* @since 2.0.0
*
* @param array $saved User's saved column keys (current order).
* @param array $new_keys Keys to introduce.
* @param array $retired_keys Keys to remove (if present).
* @param string $insert_after Anchor key; new keys inserted right after it (appended if anchor absent).
*
* @return array Migrated column keys.
*/
public static function evolve_overview_columns( array $saved, array $new_keys, array $retired_keys, string $insert_after ): array {
// Drop retired keys, preserving order for everything else.
$result = array_values(
array_filter(
$saved,
static function ( $key ) use ( $retired_keys ) {
return ! in_array( $key, $retired_keys, true );
}
)
);
// Filter the new keys down to those genuinely missing (idempotency).
$to_insert = array_values(
array_filter(
$new_keys,
static function ( $key ) use ( $result ) {
return ! in_array( $key, $result, true );
}
)
);
if ( empty( $to_insert ) ) {
return $result;
}
$anchor_pos = array_search( $insert_after, $result, true );
$splice_at = $anchor_pos !== false ? (int) $anchor_pos + 1 : count( $result );
array_splice( $result, $splice_at, 0, $to_insert );
return $result;
}
}