fix download plugin

also use config.js for config vars instead of leveldb

.gitignore

@@ -1,5 +1,6 @@
 /node_modules
 /groovebasin.db
+/config.js
 
 # not shared with .npmignore
 /public/app.js

.npmignore

@@ -1,4 +1,5 @@
 /node_modules
 /groovebasin.db
+/config.js
 
 # not shared with .gitignore

TODO

@@ -1,10 +1,9 @@
 High priority:
- * (andy) fix broken plugin - delete
+ * (andy) fix broken plugin - download
 
 Before merging into master:
  * fix broken plugin - upload
    - while you're at it consider ditching qq fileuploader
- * fix broken plugin - download
  * fix broken plugin - lastfm
  * fix broken plugin - dynamicmode
  * persist current playlist
@@ -22,3 +21,5 @@ Eventually:
  * ditch qq fileuploader 
  * extract the skewed random song selection into a separate, tested module
  * player: finer-grained updates. 'playlistUpdate' shouldn't be the only kind of update
+   - also should utilize the player's 'delete' and 'update' events for library changes
+ * player should notice when you delete a file while it is not running.

lib/db.js

@@ -1,6 +0,0 @@
-var levelup = require('level');
-
-module.exports = function (dbPath) {
-  dbPath = dbPath || "./groovebasin.db";
-  return levelup(dbPath);
-};

lib/groovebasin.js

@@ -13,20 +13,16 @@ var requireIndex = require('requireindex');
 var plugins = requireIndex(path.join(__dirname, 'plugins'));
 var Player = require('./player');
 var PlayerServer = require('./player_server');
-var getDb = require('./db');
+var levelup = require('level');
 
 module.exports = GrooveBasin;
 
 var CONFIG_KEY_PREFIX = "Config.";
 
-util.inherits(GrooveBasin, EventEmitter);
-function GrooveBasin() {
-  EventEmitter.call(this);
-
-  this.app = express();
-
-  // defaults until we load the real values from the db
-  this.config = {
+var defaultConfig = {
+  host: '0.0.0.0',
+  port: 16242,
+  dbPath: "groovebasin.db",
   musicDirectory: path.join(osenv.home(), "music"),
   permissions: {},
   defaultPermissions: {
@@ -34,7 +30,21 @@ function GrooveBasin() {
     add: true,
     control: true,
   },
-  };
+};
+
+defaultConfig.permissions[genPassword()] = {
+  admin: true,
+  read: true,
+  add: true,
+  control: true,
+};
+
+util.inherits(GrooveBasin, EventEmitter);
+function GrooveBasin() {
+  EventEmitter.call(this);
+
+  this.app = express();
+
 }
 
 GrooveBasin.prototype.initConfigVar = function(name, defaultValue) {
@@ -42,20 +52,58 @@ GrooveBasin.prototype.initConfigVar = function(name, defaultValue) {
   this[name] = defaultValue;
 };
 
-GrooveBasin.prototype.start = function(options) {
+GrooveBasin.prototype.loadConfig = function(cb) {
   var self = this;
-  self.httpHost = options.host || "0.0.0.0";
-  self.httpPort = options.port || 16242;
-  self.db = getDb(options.dbPath);
+  var pathToConfig = "config.js";
+  fs.readFile(pathToConfig, {encoding: 'utf8'}, function(err, contents) {
+    var anythingAdded = false;
+    var config;
+    if (err) {
+      if (err.code === 'ENOENT') {
+        anythingAdded = true;
+        self.config = defaultConfig;
+        console.warn("No config.js found; writing default.");
+      } else {
+        return cb(err);
+      }
+    } else {
+      try {
+        self.config = JSON.parse(contents);
+      } catch (err) {
+        cb(err);
+      }
+    }
+    // this ensures that even old files get new config values when we add them
+    for (var key in defaultConfig) {
+      if (self.config[key] === undefined) {
+        anythingAdded = true;
+        self.config[key] = defaultConfig[key];
+      }
+    }
+    if (anythingAdded) {
+      fs.writeFile(pathToConfig, JSON.stringify(self.config, null, 4), cb);
+    } else {
+      cb();
+    }
+  });
+};
+
+GrooveBasin.prototype.start = function() {
+  var self = this;
+
+  self.loadConfig(function(err) {
+    if (err) {
+      console.error("Error reading config:", err.stack);
+      return;
+    }
+
+    self.httpHost = self.config.host;
+    self.httpPort = self.config.port;
+    self.db = levelup(self.config.dbPath);
 
     self.app.use(express.static(path.join(__dirname, '../public')));
     self.app.use(express.static(path.join(__dirname, '../src/public')));
 
-  self.restoreState(function(err) {
-    if (err) {
-      console.error("unable to restore state:", err.stack);
-      return;
-    }
     self.player = new Player(self.db, self.config.musicDirectory);
     self.player.initialize(function(err) {
       if (err) {
@@ -86,6 +134,7 @@ GrooveBasin.prototype.start = function(options) {
   function authenticate(password) {
     return self.config.permissions[password];
   }
+
 }
 
 GrooveBasin.prototype.restoreState = function(cb) {
@@ -138,3 +187,6 @@ GrooveBasin.prototype.startServer = function() {
   }
 }
 
+function genPassword() {
+  return Math.random().toString();
+}

lib/player.js

@@ -1,6 +1,7 @@
 var groove = require('groove');
 var EventEmitter = require('events').EventEmitter;
 var util = require('util');
+var fs = require('fs');
 var path = require('path');
 var Pend = require('pend');
 var chokidar = require('chokidar');
@@ -109,21 +110,16 @@ Player.prototype.initialize = function(cb) {
 
     self.watcher.on('add', onAddOrChange);
     self.watcher.on('change', onAddOrChange);
-    self.watcher.on('unlink', removeFile);
+    self.watcher.on('unlink', onFileMissing);
 
     self.watcher.on('error', function(err) {
       console.error("library watching error:", err.stack);
     });
   }
 
-  function removeFile(file) {
-    self.db.del(file, function(err) {
-      if (err) {
-        console.error("Error deleting", file, err.stack);
-        return;
-      }
-      self.emit('delete', file);
-    });
+  function onFileMissing(fullPath) {
+    var relPath = path.relative(self.musicDirectory, fullPath);
+    self.delDbEntry(relPath);
   }
 
   function onAddOrChange(fullPath, stat) {
@@ -168,6 +164,28 @@ Player.prototype.initialize = function(cb) {
   }
 };
 
+Player.prototype.deleteFile = function(relPath) {
+  var self = this;
+  var fullPath = path.join(self.musicDirectory, relPath);
+  fs.unlink(fullPath, function(err) {
+    if (err) {
+      console.error("Error deleting", relPath, err.stack);
+    }
+  });
+  self.delDbEntry(relPath);
+};
+
+Player.prototype.delDbEntry = function(relPath) {
+  var self = this;
+  delete self.allDbFiles[relPath];
+  self.emit('delete', relPath);
+  self.db.del(relPath, function(err) {
+    if (err) {
+      console.error("Error deleting db entry", relPath, err.stack);
+    }
+  });
+};
+
 Player.prototype.setVolume = function(value) {
   value = Math.min(1.0, value);
   value = Math.max(0.0, value);

lib/plugins/delete.js

@@ -5,23 +5,7 @@ module.exports = Delete;
 
 function Delete(gb) {
   this.gb = gb;
-  this.is_enabled = true;
-  setup(this);
-}
-
-function setup(self) {
-  self.gb.on('aboutToSaveState', function(state) {
-    state.status.delete_enabled = self.is_enabled;
-  });
-  self.gb.on('socketConnect', onSocketConnection.bind(self));
-  self.gb.on('stateRestored', function(state) {
-    self.music_directory = state.musicDirectory;
-    if (self.music_directory == null) {
-      self.is_enabled = false;
-      console.warn("No music directory set. Delete disabled.");
-      return;
-    }
-  });
+  this.gb.on('socketConnect', onSocketConnection.bind(this));
 }
 
 function onSocketConnection(client) {
@@ -32,21 +16,8 @@ function onSocketConnection(client) {
       return;
     }
     var files = JSON.parse(data);
-    var file = null;
-    function next(err){
-      var file;
-      if (err) {
-        console.error("deleting " + file + ": " + err.stack);
-      } else if (file != null) {
-        console.info("deleted " + file);
-      }
-      if ((file = files.shift()) == null) {
-        self.gb.rescanLibrary();
-      } else {
-        fs.unlink(path.join(self.music_directory, file), next);
-        // TODO remove from library?
-      }
-    }
-    next();
+    files.forEach(function(file) {
+      self.gb.player.deleteFile(file);
+    });
   });
 }

lib/server.js

@@ -8,8 +8,4 @@ gb.on('listening', function() {
 process.on('message', function(message){
   if (message === 'shutdown') process.exit(0);
 });
-gb.start({
-  dbPath: process.env.DB_PATH,
-  host: process.env.HOST,
-  port: process.env.PORT,
-});
+gb.start();

lib/state.js

@@ -1,104 +0,0 @@
-#!/usr/bin/env node
-
-/* this command line utility displays or updates information from the db */
-
-var getDb = require('./db');
-var db = getDb(process.env.DB_PATH);
-
-var args = process.argv.slice(2);
-
-if (args.length === 0) {
-  dump();
-} else {
-  processArgs();
-}
-
-function processArgs() {
-  var openThings = 0;
-  var putFlag = false;
-  var putKey = null;
-  var delFlag = false;
-  var getFlag = false;
-  process.argv.slice(2).forEach(function(arg) {
-    if (getFlag) {
-      get(arg);
-      getFlag = false;
-    } else if (delFlag) {
-      del(arg);
-      delFlag = false;
-    } else if (putKey != null) {
-      put(putKey, arg);
-      putFlag = false;
-    } else if (putFlag) {
-      putKey = arg;
-    } else if (arg === '--get') {
-      getFlag = true;
-    } else if (arg === '--put') {
-      putFlag = true;
-    } else if (arg === '--del') {
-      delFlag = true;
-    } else {
-      console.error("Unexpected argument:", arg);
-      process.exit(1);
-    }
-  });
-
-  function get(key) {
-    openAThing();
-    db.get(key, function(err, val) {
-      closeAThing();
-      if (err) {
-        console.error("Error getting", key, err.stack);
-        return;
-      }
-      console.log(key, "=", val);
-    });
-  }
-  function put(key, val) {
-    openAThing();
-    db.put(key, val, function(err) {
-      closeAThing();
-      if (err) {
-        console.error("Error putting", key, err.stack);
-        return;
-      }
-      console.log("put", key, "=", val);
-    });
-  }
-  function del(key) {
-    openAThing();
-    db.del(key, function(err, val) {
-      closeAThing();
-      if (err) {
-        console.error("Error deleting", key, err.stack);
-        return;
-      }
-      console.log("del", key);
-    });
-  }
-
-  function openAThing() {
-    openThings += 1;
-  }
-
-  function closeAThing() {
-    openThings -= 1;
-    if (openThings === 0) {
-      db.close();
-    }
-  }
-}
-
-function dump() {
-  var stream = db.createReadStream();
-  stream.on('data', function(data) {
-    console.log(data.key, "=", data.value);
-  });
-  stream.on('error', function(err) {
-    console.error(err.stack);
-  });
-  stream.on('close', function() {
-    db.close();
-  });
-}
-

src/client/app.js

@@ -546,15 +546,13 @@ function getDragPosition(x, y){
   }
   return result;
 }
-function renderSettings(){
-  var api_key, context;
-  if ((api_key = server_status != null ? server_status.lastfm_api_key : void 8) == null) {
-    return;
-  }
-  context = {
+
+function renderSettings() {
+  var apiKey = ""; // TODO fix this when lastfm plugin is fixed
+  var context = {
     lastfm: {
       auth_url: "http://www.last.fm/api/auth/?api_key=" +
-        encodeURIComponent(api_key) + "&cb=" +
+        encodeURIComponent(apiKey) + "&cb=" +
         encodeURIComponent(location.protocol + "//" + location.host + "/"),
       username: localState.lastfm.username,
       session_key: localState.lastfm.session_key,
@@ -578,6 +576,7 @@ function renderSettings(){
   $settings.find('.auth-clear').button();
   $settings.find('#auth-password').val(settings_ui.auth.password);
 }
+
 function scrollChatWindowToBottom(){
   $chatList.scrollTop(1000000);
 }
@@ -636,12 +635,10 @@ function renderPlaylistButtons(){
   }
 }
 function renderPlaylist(){
-  var context, scroll_top;
-  context = {
+  var context = {
     playlist: mpd.playlist.item_list,
-    server_status: server_status
   };
-  scroll_top = $playlist_items.scrollTop();
+  var scroll_top = $playlist_items.scrollTop();
   $playlist_items.html(Handlebars.templates.playlist(context));
   refreshSelection();
   labelPlaylistItems();
@@ -1313,12 +1310,10 @@ function queueSelection(event){
   }
   return false;
 }
-function sendAuth(){
-  var pass;
-  pass = localState.authPassword;
-  if (pass == null) {
-    return;
-  }
+
+function sendAuth() {
+  var pass = localState.authPassword;
+  if (!pass) return;
   mpd.authenticate(pass, function(err){
     if (err) {
       localState.authPassword = null;
@@ -1327,10 +1322,10 @@ function sendAuth(){
     renderSettings();
   });
 }
+
 function settingsAuthSave(){
-  var $text_box;
   settings_ui.auth.show_edit = false;
-  $text_box = $('#auth-password');
+  var $text_box = $('#auth-password');
   localState.authPassword = $text_box.val();
   saveLocalState();
   renderSettings();
@@ -1341,10 +1336,9 @@ function settingsAuthCancel(){
   renderSettings();
 }
 function performDrag(event, callbacks){
-  var start_drag_x, start_drag_y;
   abortDrag();
-  start_drag_x = event.pageX;
-  start_drag_y = event.pageY;
+  var start_drag_x = event.pageX;
+  var start_drag_y = event.pageY;
   abortDrag = function(){
     $document.off('mousemove', onDragMove).off('mouseup', onDragEnd);
     if (started_drag) {
@@ -1502,7 +1496,7 @@ function setUpPlaylistUi(){
         refreshSelection();
       }
       context = {
-        status: server_status,
+        downloadEnabled: false, // TODO this will change when download plugin is fixed
         permissions: permissions
       };
       if (selection.isMulti()) {
@@ -1957,7 +1951,7 @@ function genericTreeUi($elem, options){
         refreshSelection();
       }
       context = {
-        status: server_status,
+        downloadEnabled: false, // TODO change this when download plugin is fixed
         permissions: permissions
       };
       if (selection.isMulti()) {
@@ -2123,13 +2117,6 @@ $document.ready(function(){
     chatState = data;
     renderChat();
   });
-  socket.on('Status', function(data){
-    server_status = JSON.parse(data.toString());
-    renderPlaylistButtons();
-    labelPlaylistItems();
-    renderSettings();
-    window._debug_server_status = server_status;
-  });
   mpd = new PlayerClient(socket);
   mpd.on('libraryupdate', renderLibrary);
   mpd.on('playlistupdate', renderPlaylist);

src/client/views/library_menu.handlebars

@@ -4,18 +4,14 @@
   <li><a href="#" class="queue-random hoverable">Queue in Random Order</a></li>
   <li><a href="#" class="queue-next-random hoverable">Queue Next in Random Order</a></li>
   <li>
-    {{#if status.delete_enabled}}
     {{#if permissions.admin}}
       <a href="#" class="delete hoverable">Delete</a>
     {{else}}
       <span title="Delete is disabled: insufficient privileges. See Settings.">Delete</span>
     {{/if}}
-    {{else}}
-      <span title="Delete is disabled due to invalid server configuration.">Delete</span>
-    {{/if}}
   </li>
   <li>
-    {{#if status.download_enabled}}
+    {{#if downloadEnabled}}
       {{#if track}}
         <a href="library/{{track.file}}" class="download hoverable" target="_blank">Download</a>
       {{/if}}

src/client/views/playlist_menu.handlebars

@@ -1,18 +1,14 @@
 <ul id="menu" class="ui-widget-content ui-corner-all">
   <li><a href="#" class="remove hoverable">Remove</a></li>
   <li>
-    {{#if status.delete_enabled}}
     {{#if permissions.admin}}
       <a href="#" class="delete hoverable">Delete From Library</a>
     {{else}}
       <span title="Delete is disabled: insufficient privileges. See Settings.">Delete From Library</span>
     {{/if}}
-    {{else}}
-      <span title="Delete is disabled due to invalid server configuration.">Delete From Library</span>
-    {{/if}}
   </li>
   <li>
-  {{#if status.download_enabled}}
+  {{#if downloadEnabled}}
     {{#if item}}
       <a href="library/{{item.track.file}}" class="download hoverable" target="_blank">Download</a>
     {{/if}}