dont know what happened

server/models/power_datum.js

@@ -0,0 +1,59 @@
+import DB from "./../config/database";
+import extend from 'extend';
+import ApiHelper from './../helpers/api_helper';
+
+const NAME = 'PowerDatum';
+
+/**
+ * Define your own types here
+ */
+
+var PowerDatum = DB.sequelize.define(NAME, {
+  id: {
+    type: DB.Sequelize.INTEGER,
+    primaryKey: true,
+    autoIncrement: true // Automatically gets converted to SERIAL for postgres
+  },
+  time: {
+    type: DB.Sequelize.INTEGER,
+  },
+  consumption: DB.Sequelize.FLOAT,
+  production: DB.Sequelize.FLOAT
+}, {
+  paranoid: true,
+  underscored: true,
+  tableName: "power_data",
+  instanceMethods: {
+    exposeToApi: function(){
+      var power_datum = this,
+        data = power_datum.dataValues;
+      data.consumption = data.consumption * 4; // convert Wh / 15 minutes, to W
+      data.production = data.production * 4; // convert Wh / 15 minutes, to W
+      return data;
+    }
+  },
+  classMethods: {
+    exposeForHouseAtDates: (house_id, dates)=>{
+      var params = {house_id: house_id};
+      params = extend(params, ApiHelper.datesParamToSequelize(dates, 'time'));
+      console.log(params);
+      return PowerDatum.findAll({
+        where: params,
+        attributes: ['id', 'production', 'consumption', 'time']
+      }).then((power_data)=>{
+        return power_data.map((power_datum)=>{
+          return power_datum.exposeToApi();
+        });
+      });
+    },
+    set: ()=>{
+      PowerDatum.associate();
+    },
+    associate: ()=>{
+      PowerDatum.belongsTo(DB.House);
+    }
+  }
+});
+
+PowerDatum.NAME = NAME;
+module.exports = PowerDatum;