add express nodemon

package.json

@@ -5,8 +5,16 @@
   "private": true,
   "main": "src/index.js",
   "scripts": {
-    "dev": "",
-    "start": ""
+    "dev": "nodemon src/index.js",
+    "start": "node src/index.js"
   },
-  "author": ""
+  "author": "",
+  "dependencies": {
+    "body-parser": "^1.20.2",
+    "cors": "^2.8.5",
+    "dotenv": "^16.4.5",
+    "express": "^4.18.3",
+    "mongoose": "^8.2.1",
+    "nodemon": "^3.1.0"
+  }
 }

src/.env.example

@@ -0,0 +1,4 @@
+node_env = development,
+port, 
+url = "127.0.0.1", 
+mongo_url = "mongodb://localhost:27017/mydb"

src/controllers/booksControllers.js

@@ -0,0 +1,55 @@
+const Books = require("../models/bookModels")
+
+
+const getAllBooks = (req, res) => {
+    Books.find({})
+        .then((books) => res.status(200).send(books))
+        .catch((err) => res.status(404).send(err.message))
+        .catch((err) => res.status(500).send(err.message))
+}
+const getBookById = (req, res) => {
+    const {book_id} = req.params
+    Books.findById(book_id)
+    .then((book) => {
+        if(!book){
+            res.status(404)
+        }else{
+            res.status(200)
+        }
+    })
+    .catch((err) => res.status(500).send(err.message))
+}
+const createBook = (req, res) => {
+    const book = req.body
+    Books.create(book)
+        .then((book) => res.status(201).send(book))
+        .catch((err) => res.status(404).send(err.message))
+        .catch((err) => res.status(500).send(err.message))
+}
+const updateBookByID = (req, res) => {
+    const book = req.body
+    const {book_id} = req.params
+    Books.findByIdAndUpdate(book_id, book)
+    .then((book) => {
+        if(!book){
+            res.status(404)
+        }else{
+            res.status(200)
+        }
+    })
+    .catch((err) => res.status(500).send(err.message))
+}
+const delBookById = (req, res) => {
+    const {book_id} = req.params
+    Books.findByIdAndDelete(book_id)
+        .then((book) => {
+            if(!book){
+                res.status(404).send("Пользователь ней найден")
+            }else{
+                res.status(200)
+            }
+        })
+        .catch((err) => res.status(500).send(err.message))
+}
+
+module.exports = {getAllBooks, createBook, getBookById, updateBookByID, delBookById}

src/controllers/userControllers.js

@@ -0,0 +1,59 @@
+const User = require("../models/userModels")
+
+const getUsers = (req, res) => {
+    User.find({})
+    .then((user) => {res.status(200).send(user)})
+    .catch((err)=> {
+    res.status(404).send(err.message)
+    res.status(500).send(err.message);
+    })
+}
+const addUsers = (req, res) => {
+    const data = req.body
+    User.create(data)
+    .then((user)=> {res.status(201).send(user)})
+    .catch((err)=> {
+    res.status(404).send(err.message)
+	res.status(500).send(err.message);
+    })
+}
+const delUser = (req, res) => {
+    const {user_id} = req.params
+    User.findByIdAndDelete(user_id)
+    .then((user)=> {
+        if (!user) {
+            res.status(404);
+          } else {
+            res.status(200).send(user);
+          }
+    })
+    .catch((err)=> res.status(500).send(err.message))
+}
+const getUser = (req, res) => {
+    const {user_id} = req.params
+    User.findById(user_id)
+    .then((user)=> {
+        if (!user) {
+            res.status(404);
+          } else {
+            res.status(200).send(user);
+          }
+        })
+    .catch((err)=> res.status(500).send(err.message))
+}
+
+const updateUser = (req, res) => {
+    const data = req.body
+    const {user_id} = req.params
+    User.findByIdAndUpdate(user_id, data)
+    .then((user)=> {
+        if (!user) {
+            res.status(404);
+          } else {
+            res.status(200).send(user);
+          }
+        })
+    .catch((err)=> res.status(500).send(err.message))
+}
+
+module.exports = {getUsers, addUsers, delUser, getUser, updateUser}

src/index.js

@@ -1,12 +1,26 @@
-const http = require('http');
+const express = require("express");
+const bodyParser = require("body-parser");
+const dotenv = require("dotenv");
+const mongoose = require("mongoose");
+const cors = require("cors");
+const app = express();
+const userRouter = require("./routers/userRouter");
+const bookRouter = require("./routers/bookRouter");
 
-const server = http.createServer((request, response) => {
+dotenv.config();
+const {
+  port = 3005,
+  url = "127.0.0.1",
+  mongo_url = "mongodb://localhost:27017/mydb",
+} = process.env;
 
-    // Написать обработчик запроса:
-    // - Ответом на запрос `?hello=<name>` должна быть **строка** "Hello, <name>.", код ответа 200
-    // - Если параметр `hello` указан, но не передано `<name>`, то ответ **строка** "Enter a name", код ответа 400
-    // - Ответом на запрос `?users` должен быть **JSON** с содержимым файла `data/users.json`, код ответа 200
-    // - Если никакие параметры не переданы, то ответ **строка** "Hello, World!", код ответа 200
-    // - Если переданы какие-либо другие параметры, то пустой ответ, код ответа 500
+mongoose
+  .connect(mongo_url)
+  .then(() => console.log("Подключение к БД"))
+  .catch((err) => console.log(err.message));
 
-});
+app.use(cors());
+app.use(bodyParser.json());
+app.use(userRouter);
+app.use(bookRouter);
+app.listen(port, () => console.log(`Сервер запущен на ${url}:${port}`));

src/middleware/loger.js

@@ -0,0 +1,6 @@
+const logerUrl = (request, response, next) => {
+     console.log(`Запрос на адрес${request.originalUrl}`);
+    next()
+}
+
+module.exports = logerUrl;

src/models/bookModels.js

@@ -0,0 +1,20 @@
+const mongoose = require("mongoose")
+
+const booksShema = new mongoose.Schema({
+    title: {
+        type: String,
+        required: true,
+        minlength: 2
+    },
+    author: {
+        type: String,
+        required: true,
+        minlength: 2
+    },
+    year: {
+        type: Number,
+        required: true,
+    }
+})
+
+module.exports = mongoose.model("books", booksShema)

src/models/userModels.js

@@ -0,0 +1,20 @@
+const mongoose = require("mongoose")
+
+const userShema = new mongoose.Schema({
+    name: {
+        type: String,
+        required: true,
+        minlength: 2,
+      },
+      lastName: {
+        type: String,
+        required: true,
+        minlength: 2,
+      },
+      userName: {
+        type: String,
+        required: true,
+        minlength: 5,
+      }
+})
+module.exports = mongoose.model("user", userShema)

src/routers/bookRouter.js

@@ -0,0 +1,14 @@
+const { getAllBooks, createBook, getBookById, updateBookByID, delBookById } = require("../controllers/booksControllers")
+const router = require("express").Router()
+const logerUrl = require("../middleware/loger")
+
+
+router.use(logerUrl)
+
+router.get("/books", getAllBooks)
+router.get("/books/:book_id", getBookById)
+router.post("/books", createBook)
+router.patch("/books/:book_id", updateBookByID)
+router.delete("/books/:book_id", delBookById)
+
+module.exports = router;

src/routers/userRouter.js

@@ -0,0 +1,14 @@
+const router = require("express").Router()
+const {getUsers, addUsers, delUser, getUser, updateUser} = require("../controllers/userControllers.js")
+const logerUrl = require("../middleware/loger")
+
+
+router.use(logerUrl)
+
+router.get("/users", getUsers)
+router.get("/users/:user_id", getUser)
+router.post("/users", addUsers)
+router.patch("/users/:user_id", updateUser)
+router.delete("/users/:user_id", delUser)
+
+module.exports = router