From ca938ec79efcdab72592260461f1b80106a8ad2f Mon Sep 17 00:00:00 2001
From: Peter Cottle <pcottle@fb.com>
Date: Sat, 4 Apr 2015 10:47:09 -0700
Subject: [PATCH] initial command line store:

---
 src/js/__tests__/CommandLineStore.spec.js | 22 ++++++++
 src/js/actions/CommandLineActions.js      | 19 +++++++
 src/js/stores/CommandLineStore.js         | 65 +++++++++++++++++++++++
 src/js/util/debug.js                      |  2 +
 4 files changed, 108 insertions(+)
 create mode 100644 src/js/__tests__/CommandLineStore.spec.js
 create mode 100644 src/js/actions/CommandLineActions.js
 create mode 100644 src/js/stores/CommandLineStore.js

diff --git a/src/js/__tests__/CommandLineStore.spec.js b/src/js/__tests__/CommandLineStore.spec.js
new file mode 100644
index 00000000..673aeeb4
--- /dev/null
+++ b/src/js/__tests__/CommandLineStore.spec.js
@@ -0,0 +1,22 @@
+var CommandLineActions = require('../actions/CommandLineActions');
+var CommandLineStore = require('../stores/CommandLineStore');
+
+describe('this store', function() {
+
+  it('starts with no entries', function() {
+    expect(CommandLineStore.getCommandHistoryLength())
+      .toEqual(0);
+  });
+
+  it('receives new commands', function() {
+    var command = 'git commit; git checkout HEAD';
+    CommandLineActions.submitCommand(command);
+
+    expect(CommandLineStore.getCommandHistoryLength())
+      .toEqual(1);
+
+    expect(CommandLineStore.getCommandHistory()[0])
+      .toEqual(command);
+  });
+
+});
diff --git a/src/js/actions/CommandLineActions.js b/src/js/actions/CommandLineActions.js
new file mode 100644
index 00000000..e73e46ea
--- /dev/null
+++ b/src/js/actions/CommandLineActions.js
@@ -0,0 +1,19 @@
+"use strict";
+
+var AppConstants = require('../constants/AppConstants');
+var AppDispatcher = require('../dispatcher/AppDispatcher');
+
+var ActionTypes = AppConstants.ActionTypes;
+
+var CommandLineActions = {
+
+  submitCommand: function(text) {
+    AppDispatcher.handleViewAction({
+      type: ActionTypes.SUBMIT_COMMAND,
+      text: text
+    });
+  }
+
+};
+
+module.exports = CommandLineActions;
diff --git a/src/js/stores/CommandLineStore.js b/src/js/stores/CommandLineStore.js
new file mode 100644
index 00000000..477a5be1
--- /dev/null
+++ b/src/js/stores/CommandLineStore.js
@@ -0,0 +1,65 @@
+"use strict";
+
+var AppConstants = require('../constants/AppConstants');
+var AppDispatcher = require('../dispatcher/AppDispatcher');
+var EventEmitter = require('events').EventEmitter;
+
+var assign = require('object-assign');
+
+var ActionTypes = AppConstants.ActionTypes;
+var COMMAND_HISTORY_KEY = 'lgb_CommandHistory';
+
+var _commandHistory = [];
+try {
+  _commandHistory = JSON.parse(
+    localStorage.getItem(COMMAND_HISTORY_KEY) || '[]'
+  ) || [];
+} catch (e) {
+}
+
+var _saveToLocalStorage = function() {
+  try {
+    localStorage.setItem(
+      COMMAND_HISTORY_KEY,
+      JSON.stringify(_commandHistory)
+    );
+  } catch (e) {
+  }
+};
+
+var CommandLineStore = assign(
+{},
+EventEmitter.prototype,
+AppConstants.StoreSubscribePrototype,
+{
+
+  getCommandHistoryLength: function() {
+    return _commandHistory.length;
+  },
+
+  getCommandHistory: function() {
+    return _commandHistory.slice(0);
+  },
+
+  dispatchToken: AppDispatcher.register(function(payload) {
+    var action = payload.action;
+    var shouldInform = false;
+
+    switch (action.type) {
+      case ActionTypes.SUBMIT_COMMAND:
+        _commandHistory.push(action.text);
+        _saveToLocalStorage();
+        shouldInform = true;
+        break;
+      case ActionTypes.CHANGE_FLIP_TREE_Y:
+        break;
+    }
+
+    if (shouldInform) {
+      CommandLineStore.emit(AppConstants.CHANGE_EVENT);
+    }
+  })
+
+});
+
+module.exports = CommandLineStore;
diff --git a/src/js/util/debug.js b/src/js/util/debug.js
index 15e614db..ec247133 100644
--- a/src/js/util/debug.js
+++ b/src/js/util/debug.js
@@ -6,6 +6,8 @@ var toGlobalize = {
   Visuals: require('../visuals'),
   Git: require('../git'),
   CommandModel: require('../models/commandModel'),
+  CommandLineStore: require('../stores/CommandLineStore'),
+  CommandLineActions: require('../actions/CommandLineActions'),
   LevelActions: require('../actions/LevelActions'),
   LevelStore: require('../stores/LevelStore'),
   LocaleActions: require('../actions/LocaleActions'),