<?php

require dirname(__FILE__) . "/../variables.php";

$dbbooks = array();
$parsedbooks = array();

function walkBooks($path = BOOKDIR) {
   global $globaldbh, $parsedbooks;
   $contents = glob($path . "/*");
   foreach ( $contents as $item ) {
      if ( is_dir($item) ) {
         walkBooks($item);
      } else {
         $dbpath = ($path == BOOKDIR ) ? "/" : substr($path, strlen(BOOKDIR));
         $dbfile = basename($item);
         $dbmtime = date("Y-m-d H:i:s", filemtime($item));
         $parsedbooks[] = $dbpath . (($path == BOOKDIR) ? "" : "/") . $dbfile;
         $query = "INSERT INTO books (path, filename, mtime) VALUES(:path, :filename, :mtime) ON DUPLICATE KEY UPDATE id=id";
         $sth = $globaldbh->prepare($query);
         $sth->bindValue(":path", $dbpath, PDO::PARAM_STR);
         $sth->bindValue(":filename", $dbfile, PDO::PARAM_STR);
         $sth->bindValue(":mtime", $dbmtime, PDO::PARAM_STR);
         $sth->execute();
      }
   }
}

walkBooks();
$query = "SELECT id, path, filename FROM books ORDER BY path, filename";
$sth = $globaldbh->prepare($query);
$sth->execute();
while ( $row = $sth->fetch(PDO::FETCH_ASSOC) ) {
   $dbbook = $row['path'] . (($row['path'] != "/") ? "/" : "") . $row['filename'];
   $dbbooks[] = $dbbook;
}
$query = "DELETE FROM books WHERE CONCAT(path, filename)=:target OR CONCAT(path, '/', filename)=:target";
$sth = $globaldbh->prepare($query);
foreach ( $dbbooks as $dbbook ) {
   if ( !is_file(BOOKDIR . $dbbook) ) {
      $sth->bindValue(":target", $dbbook, PDO::PARAM_STR);
      $sth->execute();
   }
}

// vim: set sw=3 ts=3: