add findOneAndUpdate

index.js

@@ -249,15 +249,20 @@ Access           Public
 Parameter        isbn
 Method           PUT
 */
-booky.put("/book/update/title/:isbn", (req, res) => {
-    database.books.forEach((book) => {
-        if(book.ISBN === req.params.isbn) {
-            book.title = req.body.newBookTitle;
-            return;
-        }
-    });
+booky.put("/book/update/title/:isbn", async (req, res) => {
+
+    const updatedBook = await BookModel.findOneAndUpdate({
+       ISBN: req.params.isbn,
+    },
+    {
+       title: req.body.bookTitle,
+    },
+    {
+       new: true,
+    }
+  );
 
-    return res.json({ book: database.books});
+    return res.json({ book: updatedBook});
 });
 
 /* 

requirements.js

@@ -29,8 +29,10 @@
 //Add / update new author✅
 
 //DELETE
-//Delete a book
-//Delete an author
+//Delete a book✅
+//Delete an author from a book✅
+
+
 
 // Authors
 
@@ -50,6 +52,8 @@
 // Delete an author
 
 
+
+
 // Publications
 
 //GET
@@ -59,7 +63,7 @@
 // to get list of publication based on book [task] ✅
 
 // POST
-// Add new publications [Task] 🚀
+// Add new publications [Task] ✅
 
 // PUT
 // UPdate the publication name using it's id [Task] 🚀