Tim Zoltie

.gitignore

@@ -4,3 +4,4 @@ node_modules
 node_modules/*
 build
 build/*
+.env

data/deletedData.js

@@ -0,0 +1,9 @@
+const deletedUsers = []
+const deletedFilms = []
+const deletedBooks = []
+
+module.exports = {
+    deletedUsers,
+    deletedFilms,
+    deletedBooks
+}

package.json

@@ -10,12 +10,14 @@
   },
   "dependencies": {
     "cors": "^2.8.5",
+    "dotenv": "^16.4.5",
     "express": "^4.18.2",
     "morgan": "^1.10.0"
   },
   "devDependencies": {
     "jest": "^28.1.3",
     "nodemon": "^2.0.22",
+    "pg": "^8.12.0",
     "supertest": "^6.3.3"
   },
   "keywords": []

src/controllers/books/books.js

@@ -0,0 +1,115 @@
+const { getAllBooks, getBookByID, filterByTitle } = require("../../domain/books/books")
+const newID = require("../../functions/createID")
+const { deletedBooks } = require('../../../data/deletedData.js')
+
+let newBook = {
+    id: 0,
+    title: 'string',
+    type: 'string',
+    author: 'string'
+}
+
+const getBooks = (req, res) => {
+    res.status(200).json({
+        books: getAllBooks()
+    })
+}
+
+const addBook = (req, res) => {
+    newBook.id = newID(getAllBooks())
+    newBook.title = req.body.title
+    newBook.type = req.body.type
+    newBook.author = req.body.author
+
+    if (
+        req.body.title === "" ||
+        req.body.type === "" ||
+        req.body.author === ""
+    ) {
+        throw new FieldsMissing("Missing fields")
+    }
+
+    const checkTitle = filterByTitle(newBook.title)
+
+    if(checkTitle) {
+        throw new AlreadyExistsError("Book already exists")
+    }
+
+    getAllBooks().push(newBook)
+    res.status(201).json({
+        book: newBook
+    })
+}
+
+const getByID = (req, res) => {
+    const id = Number(req.params.id)
+    const found = getBookByID(id)
+
+    if (typeof id !== "number") {
+        throw new InvalidDataError("ID must be a number")
+    }
+
+    if (!found) {
+        throw new NotFoundError("Book not found")
+    }
+
+    res.status(200).json({
+        book: found
+    })
+}
+
+const removeBook = (req, res) => {
+    const id = Number(req.params.id)
+    const found = getBookByID(id)
+
+    if (typeof id !== "number") {
+        throw new InvalidDataError("ID must be a number")
+    }
+
+    if (!found) {
+        throw new NotFoundError("Book not found")
+    }
+
+    deletedBooks.push(found)
+    const index = getAllBooks().indexOf(found)
+    getAllBooks().splice(index, 1)
+    res.status(200).json({
+        book: found
+    })
+}
+
+const updateBook = (req, res) => {
+    const id = Number(req.params.id)
+    const found = getBookByID(id)
+
+    if (typeof id !== "number") {
+        throw new InvalidDataError("ID must be a number")
+    }
+
+
+    if (!found) {
+        throw new NotFoundError("Book not found")
+    }
+
+    found.title = req.body.title
+    found.type = req.body.type
+    found.author = req.body.author
+
+    const checkTitle = filterByTitle(found.title)
+
+    if(!checkTitle) {
+        throw new AlreadyExistsError("Book already exists")
+    }
+
+    res.status(200).json({
+        book: found
+    })
+}
+
+module.exports = {
+    getBooks,
+    addBook,
+    getByID,
+    removeBook,
+    updateBook
+}