+
Library
Add books to your virtual library
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-
- | Title |
- Author |
- Number of Pages |
- Read |
- |
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- |
- |
- |
- |
- |
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+ | Title |
+ Author |
+ Number of Pages |
+ Read |
+ Actions |
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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..ce6a3883 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,103 +1,140 @@
-let myLibrary = [];
+const myLibrary = [];
-window.addEventListener("load", function (e) {
- populateStorage();
- render();
-});
+const titleInput = document.getElementById("title");
+const authorInput = document.getElementById("author");
+const pagesInput = document.getElementById("pages");
+const readCheckbox = document.getElementById("check");
+const bookForm = document.getElementById("book-form");
+const bookList = document.getElementById("book-list");
+const messageEl = document.getElementById("message");
+
+function Book(title, author, pages, check) {
+ this.title = title;
+ this.author = author;
+ this.pages = pages;
+ this.check = check;
+}
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();
+ if (myLibrary.length > 0) {
+ return;
}
+
+ const book1 = new Book(
+ "Robinson Crusoe",
+ "Daniel Defoe",
+ 252,
+ true
+ );
+
+ const book2 = new Book(
+ "The Old Man and the Sea",
+ "Ernest Hemingway",
+ 127,
+ true
+ );
+
+ myLibrary.push(book1, book2);
}
-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 == ""
- ) {
- alert("Please fill all fields!");
- return false;
- } else {
- let book = new Book(title.value, title.value, pages.value, check.checked);
- library.push(book);
- render();
+function addBook(event) {
+ event.preventDefault();
+
+ const title = titleInput.value.trim();
+ const author = authorInput.value.trim();
+ const pages = Number(pagesInput.value);
+
+ if (title === "" || author === "") {
+ showMessage("Please enter a title and author.");
+ return;
}
+
+ if (!Number.isInteger(pages) || pages <= 0) {
+ showMessage("Please enter a valid number of pages.");
+ return;
+ }
+
+ const book = new Book(
+ title,
+ author,
+ pages,
+ readCheckbox.checked
+ );
+
+ myLibrary.push(book);
+
+ bookForm.reset();
+
+ render();
+ showMessage(`"${book.title}" was added successfully.`);
}
-function Book(title, author, pages, check) {
- this.title = title;
- this.author = author;
- this.pages = pages;
- this.check = check;
+function showMessage(message) {
+ messageEl.textContent = message;
}
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;
+ // Remove all existing book rows at once
+ bookList.replaceChildren();
+
+ for (let i = 0; i < myLibrary.length; i++) {
+ const book = myLibrary[i];
+
+ const row = document.createElement("tr");
+
+ const titleCell = document.createElement("td");
+ const authorCell = document.createElement("td");
+ const pagesCell = document.createElement("td");
+ const readCell = document.createElement("td");
+ const deleteCell = document.createElement("td");
+
+ titleCell.textContent = book.title;
+ authorCell.textContent = book.author;
+ pagesCell.textContent = book.pages;
+
+ const changeButton = document.createElement("button");
+ changeButton.className = "btn btn-success";
+ changeButton.textContent = book.check ? "Yes" : "No";
+
+ changeButton.addEventListener("click", function () {
+ book.check = !book.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}`);
+ const deleteButton = document.createElement("button");
+ deleteButton.className = "btn btn-warning";
+ deleteButton.textContent = "Delete";
+
+ deleteButton.addEventListener("click", function () {
+ const deletedTitle = book.title;
+
myLibrary.splice(i, 1);
+
render();
+
+ showMessage(`You've deleted title: ${deletedTitle}`);
});
+
+ readCell.appendChild(changeButton);
+ deleteCell.appendChild(deleteButton);
+
+ row.append(
+ titleCell,
+ authorCell,
+ pagesCell,
+ readCell,
+ deleteCell
+ );
+
+ bookList.appendChild(row);
}
}
+
+function initialiseLibrary() {
+ populateStorage();
+ render();
+}
+
+bookForm.addEventListener("submit", addBook);
+
+initialiseLibrary();
\ No newline at end of file