client side data models

client/models/energy_datum.js

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+import extend from 'extend';
+
+
+class EnergyDatum {
+  __constructor(data, house){
+    var energy_datum = this;
+    energy_datum.house = house;
+    energy_datum.data = data;
+    moment.tz(data.day, house.data.timezone);
+    EnergyDatum.store[data.id] energy_datum;
+  }
+
+  get day_to_date(){
+    var energy_datum = this,
+      moment_tz = moment.tz(energy_datum.data.day, energy_datum.house.data.timezone);
+    // will have to do some additional math here to account for local offset.
+    return moment(moment_tz.toArray()).toDate();
+  }
+
+  update(data){
+    var energy_datum = this,
+      house = power_datum.house;
+    if (data.day) data.day = moment.tz(data.day, house.data.timezone);
+    extend(energy_datum.data, data);
+  }
+
+  static updateOrInitialize(id, data, house){
+    var energy_datum = EnergyDatum.store.get(id);
+    if (energy_datum) energy_datum.update(data);
+    return energy_datum || new EnergyDatum(data, house)
+  }
+}
+
+EnergyDatum.store = new Map();