dispatcher.php

<?php
require_once('config.php');
require_once('ebook.cls.php');
require_once('opds.cls.php');
require_once('browser.cls.php');
require_once('library.cls.php');

class Dispatcher {

  private $db;

  private $display;
  
  public function __construct($odps = false) {
    $this->db = new library();
    if (!$odps) {
      $this->display = new browserdisplay();
    } else {
      $this->display = new opdsdisplay();
    }
  }


  public function handleRequest($path) {
    $handler = 'handle'.$path[0];
    $this->$handler($this->db, $path);
  }

  public function handle($db, $path) {
/**
    $items = $this->listdir_by_date($path, $db);
    foreach ($items as $id => $item) {
      $book = new ebook($path.$item);
      $authors[$book->sortauthor][$book->id] = $book;
      $allbooks[$book->id]         = $book;
    }

**/
    setcookie('booksel', '');
    setcookie('selval', '');
    $this->display->printHeader();
    switch ($_GET['sort']) {
      case 'name':
        $list = $this->listdir_by_name($path, $db);
        $this->display->printBookList($list, 'bookswide');
        break;
      case 'author':
        $list = $this->listdir_by_author($path, $db);
        $this->display->printAuthorList($list, 'author');
/**
        $books = $db->getBooklist('title asc');
        $this->display->printBookList($books, 'books');

**/
        break;
      case 'date':
        $list = $this->listdir_by_date($path, $db);
        $this->display->printBookList($list, 'bookswide');
        break;
      case 'tags':
        $list = $db->getTagList(false);
        $this->display->printAuthorList($list, 'tag');
        break;
      case 'recent':
        $list = $this->listdir_by_date($path, $db, true);
        $this->display->printBookList($list, 'bookswide');
        break;
      default:
        if (ODPS == PORT) {
          $this->display->printNavigation();
        } else {
          $list = $this->listdir_by_date($path, $db, true);
          $this->display->printBookList($list, 'bookswide');
        }
    }
  }

  public function handleget($db, $path) {
    $book = $db->getBook($path[1]);
    #print_r($book);
    header("Content-Type: application/epub");
    echo file_get_contents($book->file);
    exit;
  }

  public function handleauthor($db, $path) {
    setcookie('booksel', 'author', 0, '/');
    list($discard,$method, $author) = explode('/', $_SERVER['PATH_INFO']);
    setcookie('selval', $author, 0, '/');
    $list = $db->getBookList('added desc', 'where author = \'' . SQLite3::escapeString($path[1]) . '\'');
    $this->display->printHeader();
    $alist = $this->listdir_by_author($path, $db);
    $this->display->printAuthorList($alist, 'author', $author);
    if ($author) $this->display->printBookList($list, 'books');
    $this->display->printFoot();
    exit;
  }
  
  public function handletag($db, $path) {
    setcookie('booksel', 'tag', 0, '/');
    setcookie('selval', $path[1], 0, '/');
    $list = $db->getTaggedBooks($path[1]);
    $this->display->printHeader();
    $alist = $db->getTagList(false);
    $this->display->printAuthorList($alist, 'tag', $path[1]);
    if ($path[1]) $this->display->printBookList($list, 'books');
    $this->display->printFoot();
    exit;
  }

  public function handlemeta($db, $path) {
    $book = $db->getBook($path[1]);
    $newbook = new ebook($book->file);
    header("Content-Type: text/plain");
    #print_r($newbook);
    echo $newbook->allmeta->saveXML();
    exit;
  }
  
  public function handleshow($db, $path) {
    $book = $db->getBook($path[1]);
    if($this->getproto() == 'epub') {
      header("Content-Type: application/epub");
      echo file_get_contents($book->file);
      exit;
    }
    $type = (isset($_COOKIE['booksel']))? $_COOKIE['booksel'] : 'author';
    $current = (isset($_COOKIE['selval']))? $_COOKIE['selval'] : $book->author;
    setcookie('booksel', '');
    setcookie('selval', '');
    $list = ($type == 'tag') ? $db->getTagList() : $db->getAuthorlist();
    $this->display->printHeader();
    $this->display->printAuthorList($list, $type, $current);
    $booklist = ($type == 'tag')? $db->getTaggedBooks($current) : $db->getBookList('added desc', 'where author = \'' . SQLite3::escapeString($current) . '\'');
    $this->display->printBookList($booklist, 'books', $path[1]);
    echo $this->display->showDetails(new ebook($book->file));
    $this->display->printFoot();
    exit;
  }
  
  public function handleedit($db, $path) {
    $book = $db->getBook($path[1]);
    $realbook = new ebook($book->file);
    $realbook->id = $path[1];
    $url = $_SERVER['PHP_SELF'];
    $realbook->title = (isset($_POST['title'])) ? $_POST['title']:$realbook->title;
    $realbook->author = (isset($_POST['author'])) ? $_POST['author']:$realbook->author;
    $realbook->sortauthor = (isset($_POST['author'])) ? strtolower($_POST['author']):$realbook->sortauthor;
    if (isset($_POST['tags'])) {
      $tags = explode(',', $_POST['tags']);
      $realbook->tags = array();
      foreach($tags as $tag) {
        $realbook->tags[] = trim($tag);
      }
    }
    $realbook->summary = (isset($_POST['summary'])) ? $_POST['summary']:$realbook->summary;
    $realbook->modify_meta();
    $db->updateBook($realbook);
    $type = $_COOKIE['booksel'];
    $current = $_COOKIE['selval'];
    setcookie('booksel', '');
    setcookie('selval', '');
    $list = ($type == 'tag') ? $db->getTagList() : $db->getAuthorlist();
    $this->display->printHeader();
    $this->display->printAuthorList($list, $type, $current);
    $booklist = ($type == 'tag')? $db->getTaggedBooks($current) : $db->getBookList('added desc', 'where author = \'' . SQLite3::escapeString($current) . '\'');
    $this->display->printBookList($booklist, 'books', $path[1]);
    echo getEditForm($realbook, $url);
    $this->display->printFoot();
    exit;
  }
  
  public function handleread($db, $path) {
    $book = $db->getBook($path[1]);
    $realbook = new ebook($book->file);
    header("Content-type: text/html");
    echo $realbook->getChapter($path[2]);
    exit;
  }
  
  public function handledelete($db, $path) {
    $book = $db->getBook($path[1]);
    $db->deleteBook($book);
    header("Location: http://".SERVER.BASEURL);
    exit;
  }

  public function getSuffix($file) {
    list($name, $suffix) = explode('.', $file);
    return $suffix;
  }
  
  public function listdir_by_date($path, $db, $limit = false){
    return $db->getBooklist('added desc', null, $limit);
  }
  public function listdir_by_author($path, $db){
    return $db->getAuthorlist('sortauthor asc');
  }
  public function listdir_by_name($path, $db){
    return $db->getBooklist('title asc');
  }
  public function getproto() {
      if(strpos($_SERVER['HTTP_USER_AGENT'], 'iPhone') !== false) {
      return "epub";
    } else {
      return "http";
    }
  }
  

}