VB solution

src/controllers/expenses.controller.js

@@ -0,0 +1,103 @@
+const expenseService = require('../services/expenses.service');
+const userService = require('../services/users.service');
+
+const getAll = async (req, res) => {
+  try {
+    const expenses = await expenseService.getAll(req.query);
+
+    res.statusCode = 200;
+    res.send(expenses);
+  } catch {
+    res.statusCode = 500;
+    res.send('Something went wrong');
+  }
+};
+
+const getOne = async (req, res) => {
+  const { id } = req.params;
+
+  try {
+    const expense = await expenseService.getOne(id);
+
+    if (!expense) {
+      res.sendStatus(404);
+
+      return;
+    }
+    res.statusCode = 200;
+    res.send(expense);
+  } catch {
+    res.statusCode = 500;
+    res.send('Something went wrong');
+  }
+};
+
+const create = async (req, res) => {
+  const { userId } = req.body;
+
+  try {
+    const user = await userService.getOne(userId);
+
+    if (!user) {
+      res.sendStatus(400);
+
+      return;
+    }
+
+    const expense = await expenseService.create(req.body);
+
+    res.statusCode = 201;
+    res.send(expense);
+  } catch {
+    res.statusCode = 500;
+    res.send('Something went wrong');
+  }
+};
+
+const update = async (req, res) => {
+  const { id } = req.params;
+
+  try {
+    const expense = await expenseService.getOne(id);
+
+    if (!expense) {
+      res.sendStatus(404);
+
+      return;
+    }
+
+    const updatedExpense = await expenseService.update(id, req.body);
+
+    res.send(updatedExpense);
+  } catch {
+    res.statusCode = 500;
+    res.send('Something went wrong');
+  }
+};
+
+const remove = async (req, res) => {
+  const { id } = req.params;
+
+  if (!(await expenseService.getOne(id))) {
+    res.sendStatus(404);
+
+    return;
+  }
+
+  try {
+    await expenseService.remove(id);
+
+    res.sendStatus(204);
+  } catch {
+    res.statusCode = 500;
+    res.send('Something went wrong');
+  }
+};
+
+module.exports = {
+  getAll,
+  getOne,
+  create,
+  update,
+  remove,
+};

src/controllers/users.controller.js

@@ -0,0 +1,97 @@
+const userService = require('../services/users.service');
+
+const getAll = async (req, res) => {
+  try {
+    const users = await userService.getAll();
+
+    res.send(users);
+  } catch {
+    res.statusCode = 500;
+    res.send('Something went wrong');
+  }
+};
+
+const getOne = async (req, res) => {
+  try {
+    const { id } = req.params;
+    const user = await userService.getOne(id);
+
+    if (!user) {
+      res.sendStatus(404);
+
+      return;
+    }
+
+    res.send(user);
+  } catch {
+    res.statusCode = 500;
+    res.send('Something went wrong');
+  }
+};
+
+const create = async (req, res) => {
+  if (!req.body.name) {
+    res.sendStatus(400);
+
+    return;
+  }
+
+  try {
+    const user = await userService.create(req.body);
+
+    res.statusCode = 201;
+    res.send(user);
+  } catch {
+    res.statusCode = 500;
+    res.send('Something went wrong');
+  }
+};
+
+const update = async (req, res) => {
+  const { id } = req.params;
+
+  try {
+    const user = await userService.getOne(id);
+
+    if (!user) {
+      res.sendStatus(404);
+
+      return;
+    }
+
+    const updatedUser = await userService.update(id, req.body);
+
+    res.send(updatedUser);
+  } catch {
+    res.statusCode = 500;
+    res.send('Something went wrong');
+  }
+};
+
+const remove = async (req, res) => {
+  const { id } = req.params;
+
+  try {
+    const user = await userService.getOne(id);
+
+    if (!user) {
+      res.sendStatus(404);
+
+      return;
+    }
+
+    await userService.remove(id);
+    res.sendStatus(204);
+  } catch {
+    res.statusCode = 500;
+    res.send('Something went wrong');
+  }
+};
+
+module.exports = {
+  getAll,
+  getOne,
+  create,
+  update,
+  remove,
+};

src/createServer.js

@@ -1,8 +1,19 @@
 'use strict';
 
-const createServer = () => {
-  // your code goes here
-};
+const express = require('express');
+const usersRouter = require('./routes/users.route');
+const expensesRouter = require('./routes/expenses.route');
+
+function createServer() {
+  const app = express();
+
+  app.use(express.json());
+
+  app.use('/users', usersRouter);
+  app.use('/expenses', expensesRouter);
+
+  return app;
+}
 
 module.exports = {
   createServer,

src/models/Expense.model.js

@@ -1,9 +1,46 @@
 'use strict';
 
+const { DataTypes } = require('sequelize');
 const { sequelize } = require('../db.js');
 
 const Expense = sequelize.define(
-  // your code goes here
+  'Expense',
+  {
+    id: {
+      type: DataTypes.INTEGER,
+      autoIncrement: true,
+      primaryKey: true,
+      allowNull: false,
+    },
+    userId: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+    },
+    spentAt: {
+      type: DataTypes.DATE,
+      defaultValue: DataTypes.NOW,
+      allowNull: false,
+    },
+    title: {
+      type: DataTypes.STRING,
+      allowNull: false,
+    },
+    amount: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+    },
+    category: {
+      type: DataTypes.STRING,
+    },
+    note: {
+      type: DataTypes.STRING,
+    },
+  },
+  {
+    tableName: 'expenses',
+    createdAt: false,
+    updatedAt: false,
+  },
 );
 
 module.exports = {

src/models/User.model.js

@@ -1,9 +1,27 @@
 'use strict';
 
+const { DataTypes } = require('sequelize');
 const { sequelize } = require('../db.js');
 
 const User = sequelize.define(
-  // your code goes here
+  'User',
+  {
+    id: {
+      type: DataTypes.INTEGER,
+      autoIncrement: true,
+      primaryKey: true,
+      allowNull: false,
+    },
+    name: {
+      type: DataTypes.STRING,
+      allowNull: false,
+    },
+  },
+  {
+    tableName: 'users',
+    updatedAt: false,
+    createdAt: false,
+  },
 );
 
 module.exports = {

src/routes/expenses.route.js

@@ -0,0 +1,10 @@
+const router = require('express').Router();
+const expenseController = require('../controllers/expenses.controller');
+
+router.get('/', expenseController.getAll);
+router.get('/:id', expenseController.getOne);
+router.post('/', expenseController.create);
+router.patch('/:id', expenseController.update);
+router.delete('/:id', expenseController.remove);
+
+module.exports = router;

src/routes/users.route.js

@@ -0,0 +1,10 @@
+const router = require('express').Router();
+const userController = require('../controllers/users.controller');
+
+router.get('/', userController.getAll);
+router.get('/:id', userController.getOne);
+router.post('/', userController.create);
+router.patch('/:id', userController.update);
+router.delete('/:id', userController.remove);
+
+module.exports = router;

src/services/expenses.service.js

@@ -0,0 +1,62 @@
+const { Op } = require('sequelize');
+const { Expense } = require('../models/Expense.model');
+
+const getAll = async ({ userId, categories, from, to }) => {
+  const where = {};
+
+  if (userId) {
+    where.userId = userId;
+  }
+
+  if (categories) {
+    where.category = categories;
+  }
+
+  if (from || to) {
+    where.spentAt = { [Op.between]: [from, to] };
+  }
+
+  return Expense.findAll({ where });
+};
+
+const getOne = async (id) => {
+  return Expense.findByPk(id);
+};
+
+const create = async ({ userId, spentAt, title, amount, category, note }) => {
+  return Expense.create({
+    userId,
+    spentAt,
+    title,
+    amount,
+    category,
+    note,
+  });
+};
+
+const update = async (id, data) => {
+  await Expense.update(
+    {
+      ...data,
+    },
+    {
+      where: { id },
+    },
+  );
+
+  return Expense.findByPk(id);
+};
+
+const remove = async (id) => {
+  await Expense.destroy({
+    where: { id },
+  });
+};
+
+module.exports = {
+  getAll,
+  getOne,
+  create,
+  update,
+  remove,
+};