move email to different column on unsubscribe action

app/controllers/unsubscribe.js

@@ -10,6 +10,8 @@ const getUnsubscribe = async (req, res) => {
   }
 
   searchRequest.subscribed = false;
+  searchRequest.deletedEmail = searchRequest.email;
+  searchRequest.email = "";
   await searchRequest.save();
 
   res.render("unsubscribe", { nextStep: "/vrstanekretnine", title });

app/migrations/20191105111202-add-deletedEmail-column-to-searchRequest-table.js

@@ -0,0 +1,13 @@
+"use strict";
+
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.addColumn("SearchRequests", "deletedEmail", {
+      type: Sequelize.TEXT
+    });
+  },
+
+  down: (queryInterface, Sequelize) => {
+    return queryInterface.removeColumn("SearchRequests", "deletedEmail");
+  }
+};