diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html index 23acfa71..0c9ca2f1 100644 --- a/debugging/book-library/index.html +++ b/debugging/book-library/index.html @@ -1,10 +1,10 @@ - + - + Book Library + @@ -26,12 +26,13 @@

Library

+
-
+
Library /> Library />Read +
-
@@ -80,17 +81,10 @@

Library

- - - - - - - - - + +
- + - + \ No newline at end of file diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index 75ce6c1d..49ad1251 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -1,103 +1,97 @@ -let myLibrary = []; +// Data store this variable never changes +const myLibrary = []; +// DOM nodes +const titleInput = document.getElementById("title"); +const authorInput = document.getElementById("author"); +const pagesInput = document.getElementById("pages"); +const readCheck = document.getElementById("check"); +const tableBody = document.querySelector("#display tbody"); + + + +// Book model +class Book { + constructor(title, author, pages, read) { + this.title = title; + this.author = author; + this.pages = pages; + this.read = read; + } +} +// initial load window.addEventListener("load", function (e) { populateStorage(); - render(); }); - +// Add default books only once function populateStorage() { - if (myLibrary.length == 0) { - let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true); - let book2 = new Book( - "The Old Man and the Sea", - "Ernest Hemingway", - "127", - true - ); - myLibrary.push(book1); - myLibrary.push(book2); + if (myLibrary.length === 0) { + myLibrary.push(new Book("Robinson Crusoe", "Daniel Defoe", 252, true)); + myLibrary.push(new Book("The Old Man and the Sea", "Ernest Hemingway", 127, true)); render(); } } -const title = document.getElementById("title"); -const author = document.getElementById("author"); -const pages = document.getElementById("pages"); -const check = document.getElementById("check"); +// Handle form submission + window.handleSubmit = function handleSubmit() { + const title = titleInput.value.trim(); + const author = authorInput.value.trim(); + const pages = Number(pagesInput.value); -//check the right input from forms and if its ok -> add the new book (object in array) -//via Book function and start render function -function submit() { - if ( - title.value == null || - title.value == "" || - pages.value == null || - pages.value == "" - ) { - alert("Please fill all fields!"); - return false; - } else { - let book = new Book(title.value, title.value, pages.value, check.checked); - library.push(book); - render(); + if (!title || !author || !pages || pages <= 0) { + showMessage("Please enter valid book details."); + return; } -} -function Book(title, author, pages, check) { - this.title = title; - this.author = author; - this.pages = pages; - this.check = check; -} + const book = new Book(title, author, pages, readCheck.checked); + myLibrary.push(book); + render(); + showMessage(`Added "${title}" to your library.`); +} + +// Render table function render() { - let table = document.getElementById("display"); - let rowsNumber = table.rows.length; - //delete old table - for (let n = rowsNumber - 1; n > 0; n-- { - table.deleteRow(n); - } - //insert updated row and cells - let length = myLibrary.length; - for (let i = 0; i < length; i++) { - let row = table.insertRow(1); - let titleCell = row.insertCell(0); - let authorCell = row.insertCell(1); - let pagesCell = row.insertCell(2); - let wasReadCell = row.insertCell(3); - let deleteCell = row.insertCell(4); - titleCell.innerHTML = myLibrary[i].title; - authorCell.innerHTML = myLibrary[i].author; - pagesCell.innerHTML = myLibrary[i].pages; + tableBody.innerHTML = ""; + + myLibrary.forEach((book, index) => { + const row = tableBody.insertRow(); - //add and wait for action for read/unread button - let changeBut = document.createElement("button"); - changeBut.id = i; - changeBut.className = "btn btn-success"; - wasReadCell.appendChild(changeBut); - let readStatus = ""; - if (myLibrary[i].check == false) { - readStatus = "Yes"; - } else { - readStatus = "No"; - } - changeBut.innerText = readStatus; + row.insertCell().textContent = book.title; + row.insertCell().textContent = book.author; + row.insertCell().textContent = book.pages; - changeBut.addEventListener("click", function () { - myLibrary[i].check = !myLibrary[i].check; + // Toggle read button + const readCell = row.insertCell(); + const toggleReadBtn = document.createElement("button"); + toggleReadBtn.className = "btn btn-success btn-sm"; + toggleReadBtn.textContent = book.read ? "Yes" : "No"; + toggleReadBtn.addEventListener("click", () => { + book.read = !book.read; render(); }); - - //add delete button to every row and render again - let delButton = document.createElement("button"); - delBut.id = i + 5; - deleteCell.appendChild(delBut); - delBut.className = "btn btn-warning"; - delBut.innerHTML = "Delete"; - delBut.addEventListener("clicks", function () { - alert(`You've deleted title: ${myLibrary[i].title}`); - myLibrary.splice(i, 1); + readCell.appendChild(toggleReadBtn); + // Delete button + const deleteCell = row.insertCell(); + const deleteBtn = document.createElement("button"); + deleteBtn.className = "btn btn-warning btn-sm"; + deleteBtn.textContent = "Delete"; + deleteBtn.addEventListener("click", () => { + myLibrary.splice(index, 1); render(); + showMessage(`Deleted "${book.title}".`); }); - } + deleteCell.appendChild(deleteBtn); + }); +} + +// Non-blocking message +function showMessage(msg) { + const box = document.getElementById("messageBox"); + box.innerHTML = ` + + `; }