filtering work in progress

front-ui/app/stores/filterCriteriaStore.js

@@ -0,0 +1,83 @@
+var AppDispatcher = require('../dispatcher/appDispatcher');
+var EventEmitter = require('events').EventEmitter;
+
+var FilterCriteriaConstants = require('../constants/filterCriteriaConstants');
+var _ = require('underscore');
+
+
+var _appliedCategoryFilters = {};
+
+var clearCategoryFilters = function() {
+  _appliedCategoryFilters = {};
+};
+
+var addAppliedCategoryFilter = function(name, value) {
+  _appliedCategoryFilters[name] = value;
+};
+
+var removeAppliedCategoryFilter = function(name) {
+  delete _appliedCategoryFilters[name];
+};
+//var loadCategoryDetails = function(categoryId) {
+  //var category = new Category({id : categoryId});
+  //category.fetch({
+    //success: function() {
+      //_categoryDetails = category;
+      //CategoryStore.emitChange();
+    //}
+  //});
+//};
+
+// Extend SectionStore with EventEmitter to add eventing capabilities
+var FilterCriteriaStore = _.extend({}, EventEmitter.prototype, {
+
+    //getCategoryDetails: function() {
+      //return _categoryDetails;
+    //},
+  getAppliedCategoryFilters: function() {
+    return _appliedCategoryFilters;
+  },
+    // Emit Change event
+    emitChange: function() {
+      this.emit('change');
+    },
+
+    // Add change listener
+    addChangeListener: function(callback) {
+      this.on('change', callback);
+    },
+
+    // Remove change listener
+    removeChangeListener: function(callback) {
+      this.removeListener('change', callback);
+    }
+});
+
+
+// Register callback with AppDispatcher
+AppDispatcher.register(function(payload) {
+  var action = payload.action;
+  var text;
+
+  switch(action.actionType) {
+
+    case FilterCriteriaConstants.CLEAR_CATEGORY_FILTERS:
+      clearCategoryFilters();
+      break;
+    case FilterCriteriaConstants.ADD_APPLIED_CATEGORY_FILTER:
+      addAppliedCategoryFilter(action.filter.name, action.filter.value);
+      break;
+    case FilterCriteriaConstants.REMOVE_APPLIED_CATEGORY_FILTER:
+      removeAppliedCategoryFilter(action.name);
+      break;
+    default:
+      return true;
+  }
+
+  // If action was responded to, emit change event
+  FilterCriteriaStore.emitChange();
+  return true;
+
+});
+
+module.exports = FilterCriteriaStore;