Hw02 expressV2

.gitignore

@@ -1,4 +1,130 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
 node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
 .env
-.idea
-.vscode
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*

.gitignore copy

@@ -0,0 +1,4 @@
+node_modules/
+.env
+.idea
+.vscode

app.js

@@ -1,25 +1,23 @@
-const express = require('express')
-const logger = require('morgan')
-const cors = require('cors')
-
-const contactsRouter = require('./routes/api/contacts')
+import express from 'express';
+import logger from 'morgan';
+import cors from 'cors';
+import router from './routes/api/contacts.js'
 
 const app = express()
 
 const formatsLogger = app.get('env') === 'development' ? 'dev' : 'short'
-
 app.use(logger(formatsLogger))
 app.use(cors())
 app.use(express.json())
 
-app.use('/api/contacts', contactsRouter)
+app.use('/api/contacts', router)
 
 app.use((req, res) => {
   res.status(404).json({ message: 'Not found' })
 })
 
 app.use((err, req, res, next) => {
-  res.status(500).json({ message: err.message })
+    const { status = 500, message = 'Server error' } = err;
+  res.status(status).json({ message })
 })
-
-module.exports = app
+export default app;

controllers/contacts.js

@@ -0,0 +1,82 @@
+import Joi from 'joi';
+import { listContacts, getContactById, updateContact, removeContact, addContact } from "../models/contacts.js"
+import { HttpError } from '../helpers/HttpErrors.js';
+
+const addSchema = Joi.object({
+    name: Joi.string().required(),
+    email: Joi.string().email().required(),
+    phone: Joi.string().required()
+});
+
+const putSchema = Joi.object({
+    name: Joi.string(),
+    email: Joi.string().email(),
+    phone: Joi.string()
+}).or("name", "email", "phone");
+
+export const getAll = async (req, res, next) => {
+    try {
+        const result = await listContacts();
+        res.status(200).json(result)
+    } catch (error) {
+        next(error);
+    }
+};
+
+export const getById = async (req, res, next) => {
+    try {
+        const { contactId } = req.params
+        const result = await getContactById(contactId);
+        if (!result) {
+            throw HttpError(404, "Not found")
+        }
+        res.status(200).json(result)
+    } catch (error) {
+        next(error);
+    }
+};
+
+export const postContact = async (req, res, next) => {
+    try {
+        const { error } = addSchema.validate(req.body)
+        if (error) {
+            throw HttpError(400, error.message)
+        }
+        const result = await addContact(req.body);
+        res.status(201).json(result)
+    } catch (error) {
+        next(error);
+    }
+};
+
+export const deleteContact = async (req, res, next) => {
+    try {
+        const { contactId } = req.params
+        const result = await removeContact(contactId);
+        if (!result) {
+            throw HttpError(404, "Not found")
+        }
+        res.status(200).json({
+            message: 'Contact deleted'
+        })
+    } catch (error) {
+        next(error);
+    }
+};
+
+export const putContact = async (req, res, next) => {
+    try {
+        const { error } = putSchema.validate(req.body)
+        if (error) {
+            throw HttpError(400, error.message)
+        }
+        const { contactId } = req.params;
+        const result = await updateContact(contactId, req.body);
+        if (!result) {
+            throw HttpError(404, "Not found")
+        }
+        res.status(200).json(result)
+    } catch (error) {
+        next(error);
+    }
+};

helpers/HttpErrors.js

@@ -0,0 +1,5 @@
+export const HttpError = (status, message) => {
+    const error = new Error(message);
+    error.status = status;
+    return error;
+  };

models/contacts.js

@@ -1,19 +1,55 @@
-// const fs = require('fs/promises')
+import fs from "fs/promises";
+import path from "path";
+import { nanoid } from 'nanoid';
 
-const listContacts = async () => {}
+const contactsPath = path.resolve('models', 'contacts.json');
 
-const getContactById = async (contactId) => {}
+export const listContacts = async () => {
+    const date = await fs.readFile(contactsPath);
+    return JSON.parse(date);
+};
 
-const removeContact = async (contactId) => {}
+export const getContactById = async (contactId) => {
+    const contacts = await listContacts();
+    const contactById = contacts.find(({ id }) =>
+        id === contactId
+    )
+    return contactById || null;
+};
 
-const addContact = async (body) => {}
+export const removeContact = async (contactId) => {
+    const contacts = await listContacts();
+    const removeIndex = contacts.findIndex(({ id }) =>
+        id === contactId
+    );
+    if (removeIndex === -1) {
+        return null;
+    };
+    const removeContact = contacts.splice(removeIndex, 1);
+    await fs.writeFile(contactsPath, JSON.stringify(contacts, null, 2))
+    return removeContact;
+};
 
-const updateContact = async (contactId, body) => {}
+export const addContact = async ({name, email, phone}) => {
+    const newContact = { id: nanoid(), name, email, phone };
+    const contacts = await listContacts();
+    contacts.push(newContact);
+    await fs.writeFile(contactsPath, JSON.stringify(contacts, null, 2));
+    return newContact;
+};
 
-module.exports = {
-  listContacts,
-  getContactById,
-  removeContact,
-  addContact,
-  updateContact,
-}
+
+export const updateContact = async (contactId, body) => {
+  const contacts = await listContacts();
+  const index = contacts.findIndex(({ id }) =>
+    id === contactId
+  );
+  if (index === -1) {
+    return null;
+  };
+
+  contacts[index] = { ...contacts[index], ...body };
+
+  await fs.writeFile(contactsPath, JSON.stringify(contacts, null, 2));
+  return contacts[index];
+};