Revert "Revert "smart_build: buildThread" (for a moment, something b0rks)"

This reverts commit b246daa191.

inc/functions.php

@@ -2068,6 +2068,7 @@ function buildThread($id, $return = false, $mod = false) {
 		cache::delete("thread_{$board['uri']}_{$id}");
 	}
 
+	if (!$config['smart_build'] || $return || $mod) {
 		$query = prepare(sprintf("SELECT * FROM ``posts_%s`` WHERE (`thread` IS NULL AND `id` = :id) OR `thread` = :id ORDER BY `thread`,`id`", $board['uri']));
 		$query->bindValue(':id', $id, PDO::PARAM_INT);
 		$query->execute() or error(db_error($query));
@@ -2111,8 +2112,18 @@ function buildThread($id, $return = false, $mod = false) {
 			$jsonFilename = $board['dir'] . $config['dir']['res'] . $id . '.json';
 			file_write($jsonFilename, $json);
 		}
+	}
+	else {
+		$jsonFilename = $board['dir'] . $config['dir']['res'] . $id . '.json';
+		file_unlink($jsonFilename);
+	}
 
-	if ($return) {
+	if ($config['smart_build'] && !$return && !$mod) {
+		$noko50fn = $board['dir'] . $config['dir']['res'] . link_for(array('id' => $id), true);
+		file_unlink($noko50fn);
+
+		file_unlink($board['dir'] . $config['dir']['res'] . link_for(array('id' => $id)));
+	} else if ($return) {
 		return $body;
 	} else {
 		$noko50fn = $board['dir'] . $config['dir']['res'] . link_for($thread, true);