initial level store work

src/js/stores/LevelStore.js

@@ -0,0 +1,96 @@
+"use strict";
+
+var AppConstants = require('../constants/AppConstants');
+var AppDispatcher = require('../dispatcher/AppDispatcher');
+var EventEmitter = require('events').EventEmitter;
+
+var _ = require('underscore');
+var assign = require('object-assign');
+var levelSequences = require('../../levels').levelSequences;
+var sequenceInfo = require('../../levels').sequenceInfo;
+
+var _levelMap = {};
+var _sequences = [];
+
+var validateLevel = function(level) {
+  level = level || {};
+  var requiredFields = [
+    'name',
+    'goalTreeString',
+    //'description',
+    'solutionCommand'
+  ];
+
+  var optionalFields = [
+    'hint',
+    'disabledMap',
+    'startTree'
+  ];
+
+  _.each(requiredFields, function(field) {
+    if (level[field] === undefined) {
+      console.log(level);
+      throw new Error('I need this field for a level: ' + field);
+    }
+  });
+};
+
+var unpackSequences = function() {
+  _.each(levelSequences, function(levels, levelSequenceName) {
+    _sequences.push(levelSequenceName);
+    if (!levels || !levels.length) {
+      throw new Error('no empty sequences allowed');
+    }
+
+    // for this particular sequence...
+    _.each(levels, function(level, index) {
+      validateLevel(level);
+
+      var id = levelSequenceName + String(index + 1);
+      var compiledLevel = assign(
+        {},
+        level,
+        {
+          index: index,
+          id: id,
+          sequenceName: levelSequenceName
+        }
+      );
+
+      // update our internal data
+      _levelMap[id] = compiledLevel;
+      levelSequences[levelSequenceName][index] = compiledLevel;
+    });
+  });
+};
+unpackSequences();
+
+var ActionTypes = AppConstants.ActionTypes;
+
+var LevelStore = assign(
+{},
+EventEmitter.prototype,
+AppConstants.StoreSubscribePrototype,
+{
+
+  dispatchToken: AppDispatcher.register(function(payload) {
+    var action = payload.action;
+    var shouldInform = false;
+
+    switch (action.type) {
+      case ActionTypes.RESET_LEVELS_SOLVED:
+        shouldInform = true;
+        break;
+      case ActionTypes.SET_LEVEL_SOLVED:
+        shouldInform = true;
+        break;
+    }
+
+    if (shouldInform) {
+      LevelStore.emit(AppConstants.CHANGE_EVENT);
+    }
+  })
+
+});
+
+module.exports = LevelStore;