modify realEstateRequest model to use String instead of enum

app/models/realestaterequest.js

@@ -1,38 +1,20 @@
 'use strict';
-const {realEstateTypes, sizes, gardenSizes, prices } = require('../helpers/enums');
 
 module.exports = (sequelize, DataTypes) => {
 
-  const realEstateTypeValues = realEstateTypes.map(realEstateType => realEstateType.id);
-  const sizeValues = sizes.map(size => size.id);
-  const gardenSizeValues = gardenSizes.map(gardenSize => gardenSize.id);
-  const priceValues = prices.map(price => price.id);
-
   const RealEstateRequest = sequelize.define('RealEstateRequest', {
     uniqueId: {
       type: DataTypes.UUID,
       defaultValue: DataTypes.UUIDV4,
       allowNull: false
     },
-    realEstateType: {
-      type: DataTypes.ENUM,
-      values: realEstateTypeValues,
-    },
+    realEstateType: DataTypes.STRING,
     email: DataTypes.STRING,
     region: DataTypes.STRING,
     municipality: DataTypes.STRING,
-    size: {
-      type: DataTypes.ENUM,
-      values: sizeValues,
-    },
-    gardenSize: {
-      type: DataTypes.ENUM,
-      values: gardenSizeValues,
-    },
-    price: {
-      type: DataTypes.ENUM,
-      values: priceValues,
-    }
+    size: DataTypes.STRING,
+    gardenSize: DataTypes.STRING,
+    price: DataTypes.STRING,
   }, {});
   RealEstateRequest.associate = function(models) {
     // associations can be defined here