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122 changes: 46 additions & 76 deletions debugging/book-library/index.html
Original file line number Diff line number Diff line change
@@ -1,96 +1,66 @@
<!DOCTYPE html>
<html>
<head>
<title> </title>
<meta
charset="utf-8"
name="viewport"
content="width=device-width, initial-scale=1.0"
/>
<title>Book Library</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />

<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.16.0/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js"></script>
<link
rel="stylesheet"
href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css"
/>
<link rel="stylesheet" type="text/css" href="style.css" />
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" />

<link rel="stylesheet" href="style.css" />
</head>

<body>
<div class="jumbotron text-center">
<h1>Library</h1>
<h1>My Book Library</h1>
<p>Add books to your virtual library</p>
</div>

<button data-toggle="collapse" data-target="#demo" class="btn btn-info">
Add new book
</button>
<div class="container">

<button data-toggle="collapse" data-target="#demo" class="btn btn-info mb-3">
Add new book
</button>

<div id="demo" class="collapse mb-4">
<div class="form-group">

<label for="title">Title:</label>
<input type="text" class="form-control" id="title" placeholder="Enter book title" required />

<label for="author" class="mt-2">Author:</label>
<input type="text" class="form-control" id="author" placeholder="Enter the author" required />

<div id="demo" class="collapse">
<div class="form-group">
<label for="title">Title:</label>
<input
type="title"
class="form-control"
id="title"
name="title"
required
/>
<label for="author">Author: </label>
<input
type="author"
class="form-control"
id="author"
name="author"
required
/>
<label for="pages">Pages:</label>
<input
type="number"
class="form-control"
id="pages"
name="pages"
required
/>
<label class="form-check-label">
<input
type="checkbox"
class="form-check-input"
id="check"
value=""
/>Read
</label>
<input
type="submit"
value="Submit"
class="btn btn-primary"
onclick="submit();"
/>
<label for="pages" class="mt-2">Pages:</label>
<input type="number" class="form-control" id="pages" placeholder="e.g. 350" required />

<label class="form-check-label mt-2">
<input type="checkbox" class="form-check-input" id="check" /> Read
</label>

<button type="button" class="btn btn-primary mt-3" id="submitBtn">Submit</button>
</div>
</div>
</div>

<table class="table" id="display">
<thead class="thead-dark">
<tr>
<th>Title</th>
<th>Author</th>
<th>Number of Pages</th>
<th>Read</th>
<th></th>
</tr>
</thead>
<tbody>
<tr>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</tbody>
</table>
<table class="table" id="display">
<thead class="thead-dark">
<tr>
<th>Title</th>
<th>Author</th>
<th>Number of Pages</th>
<th>Read</th>
<th></th>
</tr>
</thead>
<tbody></tbody>
</table>

</div>

<!-- JS File -->
<script src="script.js"></script>
</body>
</html>
210 changes: 122 additions & 88 deletions debugging/book-library/script.js
Original file line number Diff line number Diff line change
@@ -1,103 +1,137 @@
let myLibrary = [];
class Book {
constructor(title, author, pages, hasRead) {
this.title = title;
this.author = author;
this.pages = pages;
this.hasRead = Boolean(hasRead);
}
}

window.addEventListener("load", function (e) {
populateStorage();
render();
// Initial Setup
window.addEventListener("load", () => {
seedInitialBooks();
renderLibrary();
document.getElementById("submitBtn").addEventListener("click", handleSubmit);
});

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);
render();
// Add starter books if library is empty
function seedInitialBooks() {
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));
}
}

const title = document.getElementById("title");
const author = document.getElementById("author");
const pages = document.getElementById("pages");
const check = document.getElementById("check");

//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 == ""
) {
// Form Inputs
const titleInput = document.getElementById("title");
const authorInput = document.getElementById("author");
const pagesInput = document.getElementById("pages");
const readCheckBox = document.getElementById("check");

// Form Submission
function handleSubmit() {
const titleVal = titleInput.value.trim();
const authorVal = authorInput.value.trim();
const pagesVal = pagesInput.value.trim();

if (!validateInputs(titleVal, authorVal, pagesVal)) return;

const newBook = new Book(
titleVal,
authorVal,
Number(pagesVal),
readCheckBox.checked
);

myLibrary.push(newBook);
resetForm();
renderLibrary();
}

// Validate input values
function validateInputs(title, author, pages) {
if (!title || !author || !pages) {
alert("Please fill all fields!");
return false;
} else {
let book = new Book(title.value, title.value, pages.value, check.checked);
library.push(book);
render();
}

const pagesNum = Number(pages);

if (!Number.isInteger(pagesNum) || pagesNum <= 0) {
alert("Please enter a valid number of pages!");
return false;
}

return true;
}

function Book(title, author, pages, check) {
this.title = title;
this.author = author;
this.pages = pages;
this.check = check;
// Clear form after successful submission
function resetForm() {
titleInput.value = "";
authorInput.value = "";
pagesInput.value = "";
readCheckBox.checked = false;
}

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;

//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;

changeBut.addEventListener("click", function () {
myLibrary[i].check = !myLibrary[i].check;
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);
render();
});
}
// Rendering
function renderLibrary() {
const tbody = document.querySelector("#display tbody");
tbody.innerHTML = "";

myLibrary.forEach((book, index) => {
const row = document.createElement("tr");

const titleCell = document.createElement("td");
titleCell.textContent = book.title;
row.appendChild(titleCell);

const authorCell = document.createElement("td");
authorCell.textContent = book.author;
row.appendChild(authorCell);

const pagesCell = document.createElement("td");
pagesCell.textContent = book.pages;
row.appendChild(pagesCell);

const readCell = document.createElement("td");
row.appendChild(readCell);

const deleteCell = document.createElement("td");
row.appendChild(deleteCell);

// Read Button
const readButton = document.createElement("button");
readButton.textContent = book.hasRead ? "Yes" : "No";
readButton.className = book.hasRead ? "btn btn-success" : "btn btn-danger";
readButton.addEventListener("click", () => toggleReadStatus(index));

row.children[3].appendChild(readButton);

// Delete Button
const deleteButton = document.createElement("button");
deleteButton.className = "btn btn-warning";
deleteButton.textContent = "Delete";
deleteButton.addEventListener("click", () => deleteBook(index));

row.children[4].appendChild(deleteButton);

tbody.appendChild(row);
});
}

// Toggle read/unread status
function toggleReadStatus(index) {
myLibrary[index].hasRead = !myLibrary[index].hasRead;
renderLibrary();
}

// Delete a book from the library
function deleteBook(index) {
const confirmed = confirm( `Are you sure you want to delete "${myLibrary[index].title}"?` );
if (!confirmed) return;
const deletedBook = myLibrary[index].title;
myLibrary.splice(index, 1);
renderLibrary();
alert(`"${deletedBook}" has been deleted from your library.`);
}
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