Make lock charges calculation functional for happy path

models/doorLockEvent.js

@@ -0,0 +1,20 @@
+'use strict';
+
+const { USER_LOCKED_DOOR, USER_UNLOCKED_DOOR } = require('../constants/constants');
+
+module.exports = (sequelize, DataTypes) => {
+    const doorLockEvent = sequelize.define('doorLockEvent', {
+        memberName: DataTypes.TEXT,
+        memberNumber: DataTypes.INTEGER,
+        memberId: DataTypes.TEXT,
+        event: {
+            type: DataTypes.ENUM,
+            values: [USER_LOCKED_DOOR, USER_UNLOCKED_DOOR]
+        },
+        timestamp: DataTypes.DATE,
+    }, {});
+    doorLockEvent.associate = function(models) {
+        // associations can be defined here
+    };
+    return doorLockEvent;
+};