simple-object-store.js

function SimpleObjectStore(storeName){
  this.storeName = storeName;
  this.changedEvent = "asq:" + this.storeName + "-changed";
}

SimpleObjectStore.prototype = {
  constructor: SimpleObjectStore,

  count: function(){
    return this.get().length;
  },

  get: function(){
    return store.get(this.storeName) || []
  },

  add: function(object){
    var objects = this.get();

    if(this.contains(object)){
      return;
    }

    objects.push(object);
    this.set(objects);

    this.triggerChanged();
  },

  remove: function(object){
    var objects = this.get();

    var _this = this;
    objects = _.reject(objects, function(o){
      return _this.objectEquality(o, object);
    });

    this.set(objects);

    this.triggerChanged();
  },

  contains: function(object){
    var _this = this;
    _.map(this.get(), function(o){
      if(_this.objectEquality(o, object)){
        return true;
      }
    });
    return false;
  },

  triggerChanged: function(){
    $('body').trigger(this.changedEvent);
  },

  set: function(objects){
    store.set(this.storeName, objects);
  },

  clear: function(){
    this.set([]);
    this.triggerChanged();
  },

  objectEquality: function(a, b){
    return a == b;
  }
}