Move files to /model

js/models/PluginManager.js

@@ -0,0 +1,52 @@
+'use strict';
+var preconditions = require('preconditions').singleton();
+var log = require('../log');
+
+function PluginManager(config) {
+  this.registered = {};
+  this.scripts = [];
+
+  for (var ii in config.plugins) {
+    var pluginName = ii;
+
+    if (!config.plugins[pluginName])
+      continue;
+
+    log.info('Loading plugin: ' + pluginName);
+    var pluginClass = require('../plugins/' + pluginName);
+    var pluginObj = new pluginClass(config[pluginName]);
+    pluginObj.init();
+    this._register(pluginObj, pluginName);
+  }
+};
+
+var KIND_UNIQUE = PluginManager.KIND_UNIQUE = 1;
+var KIND_MULTIPLE = PluginManager.KIND_MULTIPLE = 2;
+
+PluginManager.TYPE = {};
+PluginManager.TYPE['STORAGE'] = KIND_UNIQUE;
+
+PluginManager.prototype._register = function(obj, name) {
+  preconditions.checkArgument(obj.type, 'Plugin has not type:' + name);
+  var type = obj.type;
+  var kind = PluginManager.TYPE[type];
+
+  preconditions.checkArgument(kind, 'Plugin has unknown type' + name);
+  preconditions.checkState(kind !== PluginManager.KIND_UNIQUE || !this.registered[type], 'Plugin kind already registered: ' + name);
+
+  if (kind === PluginManager.KIND_UNIQUE) {
+    this.registered[type] = obj;
+  } else {
+    this.registered[type] = this.registered[type] || [];
+    this.registered[type].push(obj);
+  }
+
+  this.scripts = this.scripts.concat(obj.scripts || []);
+};
+
+
+PluginManager.prototype.get = function(type) {
+  return this.registered[type];
+};
+
+module.exports = PluginManager;