added server management

services/users.service.js

@@ -1,4 +1,8 @@
 const User = require('../model/user.model')
+const Key = require("../model/key.model");
+
+const regexp = /^\S*$/;
+
 
 async function userList(code) {
     return await User.findAll()
@@ -15,6 +19,23 @@ function makeAdmin(userId) {
     });
 }
 
+async function delUser(id) {
+    User.findOne({where: { id: id}}).then((result) => {
+
+        if (result && regexp.test(id)) {
+            result.destroy()
+                .then(() => {
+                    console.log('user ' + id + ' deleted from database')
+
+                });
+        } else {
+            return false;
+        }
+    });
+}
+
 module.exports = {
-    makeAdmin
+    makeAdmin,
+    delUser,
+
 };