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web/react/stores/error_store.jsx

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+// Copyright (c) 2015 Spinpunch, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+var AppDispatcher = require('../dispatcher/app_dispatcher.jsx');
+var EventEmitter = require('events').EventEmitter;
+var assign = require('object-assign');
+
+var Constants = require('../utils/constants.jsx');
+var ActionTypes = Constants.ActionTypes;
+
+var CHANGE_EVENT = 'change';
+
+var ErrorStore = assign({}, EventEmitter.prototype, {
+
+  emitChange: function() {
+    this.emit(CHANGE_EVENT);
+  },
+
+  addChangeListener: function(callback) {
+    this.on(CHANGE_EVENT, callback);
+  },
+
+  removeChangeListener: function(callback) {
+    this.removeListener(CHANGE_EVENT, callback);
+  },
+  handledError: function() {
+    sessionStorage.removeItem("last_error");
+  },
+  getLastError: function() {
+    var error = null;
+    try {
+        error = JSON.parse(sessionStorage.last_error);
+    }
+    catch (err) {
+    }
+
+    return error;
+  },
+
+  _storeLastError: function(error) {
+    sessionStorage.setItem("last_error", JSON.stringify(error));
+  },
+});
+
+ErrorStore.dispatchToken = AppDispatcher.register(function(payload) {
+  var action = payload.action;
+  switch(action.type) {
+    case ActionTypes.RECIEVED_ERROR:
+      ErrorStore._storeLastError(action.err);
+      ErrorStore.emitChange();
+      break;
+
+    default:
+  }
+});
+
+module.exports = ErrorStore;
+
+