do mrv: add domain directory

Author: Leonardo Lodi

src/controllers/books/booksControllers.js

@@ -0,0 +1,111 @@
+const { books } = require("../../../data/index.js")
+const DataNotFoundError = require("../../errors/DataNotFoundError.js")
+const {
+  verifyBookBody,
+  verifyBookTitle,
+  addBookToDb,
+  findBookId,
+  removeBookFromDb,
+  replaceBookInDb,
+  verifyPatchOfBookBody,
+  verifyBookBodyRequest,
+} = require("../../domain/books/booksRepository.js")
+
+const getBooks = (req, res) => {
+  res.json({
+    books: books,
+  })
+}
+
+const postBook = (req, res) => {
+  verifyBookBody(req)
+
+  verifyBookTitle(req)
+
+  const book = { id: books.length + 1, ...req.body }
+
+  addBookToDb(book)
+
+  res.status(201).json({
+    book: book,
+  })
+}
+
+const getBookById = (req, res) => {
+  const id = Number(req.params.id)
+  const book = findBookId(id)
+
+  if (!book) {
+    throw new DataNotFoundError("A book the provided ID does not exist")
+  }
+
+  res.json({
+    book: book,
+  })
+}
+
+const deleteBook = (req, res) => {
+  const id = Number(req.params.id)
+  const book = findBookId(id)
+
+  if (!book) {
+    throw new DataNotFoundError("A book the provided ID does not exist")
+  }
+
+  removeBookFromDb(book)
+
+  res.json({
+    book: book,
+  })
+}
+
+const updateBook = (req, res) => {
+  verifyBookBody(req)
+
+  const id = Number(req.params.id)
+  const book = findBookId(id)
+
+  if (!book) {
+    throw new DataNotFoundError("A book the provided ID does not exist")
+  }
+
+  const updatedBook = { id: book.id, ...req.body }
+
+  verifyBookTitle(req)
+
+  replaceBookInDb(book, updatedBook)
+
+  res.json({
+    book: updatedBook,
+  })
+}
+
+const patchBook = (req, res) => {
+  verifyPatchOfBookBody(req)
+
+  const id = Number(req.params.id)
+  const book = findBookId(id)
+
+  if (!book) {
+    throw new DataNotFoundError("A book the provided ID does not exist")
+  }
+
+  verifyBookTitle(req)
+
+  let updatedBook = {}
+
+  verifyBookBodyRequest(req, updatedBook, book)
+
+  res.json({
+    book: updatedBook,
+  })
+}
+
+module.exports = {
+  getBooks,
+  postBook,
+  getBookById,
+  deleteBook,
+  updateBook,
+  patchBook,
+}