Replace fileIsCached use with PathInfo cache data

Use the new data attached to PathInfo by
DeployCache::addCacheData. This lets us delete
DeployCache::fileIsCached.

Author: john-shaffer

CHANGELOG.md

@@ -34,6 +34,8 @@
   - Rename file_hash to data_hash to reflect that it
     can include metadata.
   - Add deployed_at column and an index on it.
+- Batch queries to the deployed_files table for better
+  performance.
 
 ## 9.3.2 (2025-07-29)
 

src/DeployCache.php

@@ -137,34 +137,6 @@ public static function addFile(
         $wpdb->query( $sql );
     }
 
-    /**
-     * Checks if file can skip deployment
-     *  - uses hash of file and path's hash
-     */
-    public static function fileisCached(
-        string $path,
-        string $ns = self::DEFAULT_NAMESPACE,
-        string $data_hash,
-    ): bool {
-        global $wpdb;
-
-        $path_hash = md5( $path );
-
-        $table_name = self::getTableName();
-
-        $sql = $wpdb->prepare(
-            "SELECT path_hash FROM $table_name WHERE" .
-            ' path_hash = %s AND data_hash = %s AND namespace = %s LIMIT 1',
-            $path_hash,
-            $data_hash,
-            $ns
-        );
-
-        $hash = $wpdb->get_var( $sql );
-
-        return (bool) $hash;
-    }
-
     public static function truncate(
         string $ns = ''
     ): void {

src/S3/Deployer.php

@@ -194,13 +194,8 @@ public function uploadFilesIter( \Iterator $path_infos ): void {
                     }
                 }
 
-                $is_cached = DeployCache::fileisCached(
-                    $cache_key,
-                    self::DEFAULT_NAMESPACE,
-                    $hash,
-                );
-
-                if ( $is_cached ) {
+                if ( isset( $path_info->deploy_cache )
+                && ( $path_info->deploy_cache[ self::DEFAULT_NAMESPACE ] ?? null ) === $hash ) {
                     ++$this->deploy_cache_ct;
                     if ( STATIC_DEPLOY_DEBUG ) {
                         WsLog::d( 'Skipping deploy of cached file ' . $cache_key );