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Library
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Add books to your virtual library
-
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Library
+
Add books to your virtual library
+
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+
+
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+
+ | Title |
+ Author |
+ Number of Pages |
+ Read |
+ |
+
+
+
+
-
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-
- | Title |
- Author |
- Number of Pages |
- Read |
- |
-
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- |
- |
- |
- |
- |
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\ No newline at end of file
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..39870583 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -7,16 +7,15 @@ window.addEventListener("load", function (e) {
function populateStorage() {
if (myLibrary.length == 0) {
- let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true);
+ let book1 = new Book("Robinson Crusoe", "Daniel Defoe", 252, true);
let book2 = new Book(
"The Old Man and the Sea",
"Ernest Hemingway",
- "127",
+ 127,
true
);
myLibrary.push(book1);
myLibrary.push(book2);
- render();
}
}
@@ -25,22 +24,37 @@ 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 == ""
- ) {
+ const titleText = title.value.trim();
+ const authorText = author.value.trim();
+ const pagesNumber = Number(pages.value.trim());
+
+ if (!titleText || !authorText || !pages.value.trim()) {
alert("Please fill all fields!");
- return false;
- } else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
- render();
+ return;
+ }
+
+ if (!Number.isFinite(pagesNumber) || pagesNumber <= 0) {
+ alert("Pages must be a positive number.");
+ return;
+ }
+
+ const alreadyExists = myLibrary.some(
+ (book) => book.title.toLowerCase() === titleText.toLowerCase()
+ );
+ if (alreadyExists) {
+ alert("This book is already in your library!");
+ return;
}
+
+ const book = new Book(titleText, authorText, pagesNumber, check.checked);
+ myLibrary.push(book);
+ render();
+
+ title.value = "";
+ author.value = "";
+ pages.value = "";
+ check.checked = false;
}
function Book(title, author, pages, check) {
@@ -51,53 +65,44 @@ function Book(title, author, pages, check) {
}
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;
+ const tbody = document.getElementById("bookRows");
+ tbody.textContent = "";
+
+ for (let i = 0; i < myLibrary.length; i++) {
+ const book = myLibrary[i];
+
+ const row = tbody.insertRow();
+
+ const titleCell = row.insertCell(0);
+ const authorCell = row.insertCell(1);
+ const pagesCell = row.insertCell(2);
+ const wasReadCell = row.insertCell(3);
+ const deleteCell = row.insertCell(4);
+
+ titleCell.textContent = book.title;
+ authorCell.textContent = book.author;
+ pagesCell.textContent = book.pages;
+
+ const changeBtn = document.createElement("button");
+ changeBtn.className = "btn btn-success";
+ changeBtn.textContent = book.check ? "Yes" : "No";
+ changeBtn.addEventListener("click", function () {
+ book.check = !book.check;
render();
});
+ wasReadCell.appendChild(changeBtn);
+
+ let delBtn = document.createElement("button");
+ delBtn.className = "btn btn-warning";
+ delBtn.textContent = "Delete";
+ delBtn.addEventListener("click", function () {
+ const bookIndex = myLibrary.indexOf(book);
+ if (bookIndex === -1) return;
- //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);
+ myLibrary.splice(bookIndex, 1);
render();
+ alert(`You've deleted title: ${book.title}`);
});
+ deleteCell.appendChild(delBtn);
}
}