web_frontend/tv_renamer.js

   1 //
   2 // Armadillo File Manager
   3 // Copyright (c) 2010, Robert Sesek <http://www.bluestatic.org>
   4 //
   5 // This program is free software: you can redistribute it and/or modify it under
   6 // the terms of the GNU General Public License as published by the Free Software
   7 // Foundation, either version 3 of the License, or any later version.
   8 //
   9
  10 goog.provide('armadillo.TVRenamer');
  11
  12 goog.require('goog.Disposable');
  13 goog.require('goog.net.XhrIo');
  14
  15 /**
  16  * Creates a helper to rename a file in a pretty format for TV episodes.
  17  * @extends  {goog.Disposable}
  18  * @constructor
  19  */
  20 armadillo.TVRenamer = function(file) {
  21   goog.base(this);
  22
  23   /**
  24    * The file object
  25    * @type  {armadillo.File}
  26    */
  27   this.file_ = file;
  28 }
  29 goog.inherits(armadillo.TVRenamer, goog.Disposable);
  30
  31 /**
  32  * @inheritDoc
  33  */
  34 armadillo.TVRenamer.prototype.disposeInternal = function() {
  35   goog.base(this, 'disposeInternal');
  36   this.file_ = null;
  37 };
  38
  39 /**
  40  * Performs the information lookup and renames the file if the lookup is
  41  * successful.
  42  */
  43 armadillo.TVRenamer.prototype.run = function() {
  44   console.log('running for ' + this.file_.getName());
  45   var data = this.parseName_(this.file_.getName());
  46   if (!data) {
  47     app.showError('Could not parse episode information for ' + this.file_.getName());
  48     return;
  49   }
  50   var url = this.buildURL_(data[0], data[1], data[2]);
  51   console.log('url = ' + url);
  52   goog.net.XhrIo.send('/proxy?url=' + encodeURIComponent(url),
  53       goog.bind(this.lookupHandler_, this));
  54 };
  55
  56 /**
  57  * Callback for when the network data is received.
  58  * @param  {Event}  e
  59  * @private
  60  */
  61 armadillo.TVRenamer.prototype.lookupHandler_ = function(e) {
  62   var response = e.target.getResponseText();
  63   var tags = {};
  64   goog.array.forEach(response.split('\n'), function (line) {
  65     if (line.length > 0) {
  66       var parts = line.split('@', 2);
  67       tags[parts[0]] = parts[1];
  68     }
  69   });
  70
  71   if (tags['Show Name'] && tags['Episode Info']) {
  72     var episode = tags['Episode Info'].split('^');
  73     var name = tags['Show Name'] + ' - ' + episode[0] + ' - ' + episode[1];
  74     this.rename_(name);
  75   }
  76 };
  77
  78 /**
  79  * Parses the TV episode data out of the name.
  80  * @param  {string!}  name  The current file name.
  81  * @returns  {Tuple|null}  Returns a tuple (show,season,episode) on success,
  82                            NULL on failure
  83  * @private
  84  */
  85 armadillo.TVRenamer.prototype.parseName_ = function(name) {
  86   var pattern = /^(\d+_)?(.+) S?(\d+)(x|E)(\d+)/i;
  87   var matches = name.match(pattern);
  88   if (!matches || matches.length < 5)
  89     return null;
  90   return [matches[2], parseInt(matches[3]), parseInt(matches[5])];
  91 };
  92
  93 /**
  94  * Builds the query URL.
  95  * @param  {string!}  show  Show name
  96  * @param  {number!}  season  Season number
  97  * @param  {number!}  episode  Episode number
  98  * @returns  {string}
  99  * @private
 100  */
 101 armadillo.TVRenamer.prototype.buildURL_ = function(show, season, episode) {
 102   return "http://services.tvrage.com/tools/quickinfo.php?show=" + show +
 103       "&ep=" + season + "x" + episode;
 104 };
 105
 106 /**
 107  * Performs the actual rename of the current file to the |newName|.
 108  * @param  {string!}  newName
 109  * @private
 110  */
 111 armadillo.TVRenamer.prototype.rename_ = function(newName) {
 112   var path = app.joinPath(this.file_.getParentPath(), newName);
 113   this.file_.move(path);
 114 };