finish taller4

taller4/controllers/bookController.js

@@ -0,0 +1,83 @@
+
+var Book = require('../models/book.js');
+
+function list_books(req, res) {
+    Book.find({}, (err, book) => {
+        if (err) {
+            return res.status(500).send({ message: 'Error: Could not get books!' });
+        }
+        res.status(200).send({ book });
+    })
+}
+
+function show_book(req, res) {
+    let id = { '_id': req.params.id };
+    Book.find(id, (err, book) => {
+        if (err) {
+            return res.status(500).send({ message: 'Error: Could not get books!' });
+        }
+        res.status(200).send({ book });
+    })
+}
+
+function new_book(req, res) {
+    try{
+        let book = new Book();
+        book.nombre = req.body.nombre;
+        book.anio = req.body.anio;
+        book.idioma = req.body.idioma;
+        book.autor = req.body.autor;
+        book.save((err, bookSave) => {
+            if (err) {
+                return res.status(400).send({ message: `Error: Could not save book to database!> ${err}` });
+            }
+            res.status(200).send({ book: bookSave });
+        })
+    } 
+    catch (error) {
+        res.status(500).send({ message: `error:` + error });
+    }
+}
+
+function modify_book(req, res) {
+    let book = new Book();
+    book._id = req.params.id;
+    book.nombre = req.body.nombre;
+    book.anio = req.body.anio;
+    book.idioma = req.body.idioma;
+    book.autor = req.body.autor;
+    Book.updateOne({ '_id': book._id }, book, (err, updatedBook) => {
+        if (err) {
+            return res.status(400).send({ message: `Error: Could not save book to database!> ${err}` });
+        }
+        if (updatedBook.nModified == 1) {
+            res.status(200).send({ message: `Book modified!` });
+        }
+        else {
+            res.status(400).send({ message: `Error: Book could not be modified!` });
+        }
+    });
+}
+
+function delete_book(req, res) {
+    let id = { '_id': req.params.id };
+    Book.deleteOne(id, (err, book) => {
+        if (err) {
+            return res.status(400).send({ message: `Error: Could not save book to database!> ${err}` });
+        }
+        if (book.deletedCount == 1) {
+            res.status(200).send({ message: `Book deleted!` });
+        }
+        else {
+            res.status(400).send({ message: `Error: Book could not be deleted!` });
+        }
+    });
+}
+
+module.exports = {
+    list_books,
+    show_book,
+    new_book,
+    modify_book,
+    delete_book
+};

taller4/index.js

@@ -0,0 +1,42 @@
+'use strict'
+require('dotenv').config();
+const express = require('express');
+const bodyParser = require('body-parser');
+const app = express();
+
+var cors = require('cors');
+app.use(cors());
+app.options('*', cors());
+
+var book_route = require('./routes/bookRoute');
+
+const mongoose = require('mongoose');
+
+app.use(bodyParser.urlencoded({ extended: false }));
+app.use(bodyParser.json());
+
+app.use('/api', book_route);
+
+const options = {
+    useNewUrlParser: true,
+    useCreateIndex: true,
+    autoIndex: true,
+    keepAlive: true,
+    poolSize: 10,
+    bufferMaxEntries: 0,
+    connectTimeoutMS: 10000,
+    socketTimeoutMS: 45000,
+    family: 4,
+    useFindAndModify: false,
+    useUnifiedTopology: true
+}
+
+mongoose.connect(`mongodb://192.99.144.232:27017/grupo12?security=false`, options)
+    .then(() => console.log('> Successfully connected to DB'))
+    .catch(err => console.log(err));
+
+app.listen(5000, () => {
+    console.log('> Service running on port 5000');
+})
+
+module.exports = app;

taller4/models/book.js

@@ -0,0 +1,26 @@
+'use strict'
+const mongoose = require('mongoose');
+const Schema = mongoose.Schema;
+const BookSchema = Schema(
+  {
+    nombre: {
+      type:String,
+      required: true
+    },
+    anio: {
+      type:Number,
+      required: true
+    },
+    idioma: {
+      type: String,
+      enum: ['ING','ESP'],
+      required: true
+    },
+    autor: {
+      type:String,
+      required: true
+    }
+  }
+);
+
+module.exports = mongoose.model('books', BookSchema);

taller4/package.json

@@ -0,0 +1,22 @@
+{
+  "name": "taller4",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "nodemon index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "Chris Cromer",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.19.0",
+    "cors": "^2.8.5",
+    "dotenv": "^10.0.0",
+    "express": "^4.17.1",
+    "mongoose": "^5.9.24"
+  },
+  "devDependencies": {
+    "nodemon": "^2.0.14"
+  }
+}

taller4/routes/bookRoute.js

@@ -0,0 +1,14 @@
+'use strict'
+var express = require('express');
+
+var bookController = require('../controllers/bookController');
+
+var api = express.Router();
+
+api.get('/book', bookController.list_books);
+api.get('/book/:id', bookController.show_book);
+api.post('/book', bookController.new_book);
+api.put('/book/:id', bookController.modify_book);
+api.delete('/book/:id', bookController.delete_book);
+
+module.exports = api;