+
+
+
- Library
+Add books to your virtual library
+
-
-
-
-
-
-
-
-
-
+
-
-
+
+
-
-
-
+
\ No newline at end of file
diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js
index 75ce6c1d..764c83ee 100644
--- a/debugging/book-library/script.js
+++ b/debugging/book-library/script.js
@@ -1,3 +1,21 @@
+class Book {
+ constructor(title, author, pages, check) {
+ this.title = title;
+ this.author = author;
+ this.pages = pages;
+ this.check = check;
+ }
+}
+
+const form = document.getElementById("add-book");
+const submitBtn = document.getElementById("submit-button");
+const title = document.getElementById("title");
+const author = document.getElementById("author");
+const pages = document.getElementById("pages");
+const check = document.getElementById("check");
+const displayBooks = document.querySelector(".display-books");
+const demo = document.getElementById("demo");
+
let myLibrary = [];
window.addEventListener("load", function (e) {
@@ -6,98 +24,150 @@ window.addEventListener("load", function (e) {
});
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
+ if (myLibrary.length === 0) {
+ myLibrary.push(new Book("Robison Crusoe", "Daniel Defoe", "252", true));
+ myLibrary.push(
+ new Book("The Old Man and the Sea", "Ernest Hemingway", "127", true)
);
- myLibrary.push(book1);
- myLibrary.push(book2);
render();
}
}
-const title = document.getElementById("title");
-const author = document.getElementById("author");
-const pages = document.getElementById("pages");
-const check = document.getElementById("check");
+// form submission event listeners - add new books
+form.addEventListener("submit", (event) => {
+ event.preventDefault();
+ processEntries();
+});
+
+// book field validations
+const fields = {
+ title: {
+ input: title,
+ error: document.querySelector(".error-title"),
+ message: "Title is required",
+ },
+ author: {
+ input: author,
+ error: document.querySelector(".error-author"),
+ message: "Author is required",
+ },
+ pages: {
+ input: pages,
+ error: document.querySelector(".error-pages"),
+ message: "Enter page numbers (whole numbers only)",
+ },
+};
+
+Object.values(fields).forEach(({ input, error }) => {
+ input.addEventListener("input", () => {
+ if (input.value.trim() !== "") {
+ error.textContent = "";
+ }
+ });
+});
+
+// check book entry is valid before adding to library
+function processEntries() {
+ let isValid = true;
-//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);
+ Object.entries(fields).forEach(([key, field]) => {
+ const value = field.input.value.trim();
+
+ if (value === "") {
+ field.error.textContent = field.message;
+ isValid = false;
+ } else {
+ field.error.textContent = "";
+ }
+ });
+
+ if (isValid) {
+ let book = new Book(title.value, author.value, pages.value, check.checked);
+ myLibrary.push(book);
+ demo.classList.remove("show");
render();
+ form.reset();
}
}
-function Book(title, author, pages, check) {
- this.title = title;
- this.author = author;
- this.pages = pages;
- this.check = check;
+const createBookRow = (book, index) => {
+ const { title, author, pages, check: hasBeenRead } = book;
+ 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 = title;
+ authorCell.textContent = author;
+ pagesCell.textContent = pages;
+
+ const readButton = document.createElement("button");
+ readButton.className = `btn btn-sm ${hasBeenRead ? "btn-success" : "btn-secondary"}`;
+ readButton.textContent = hasBeenRead ? "Yes" : "No";
+ readButton.style.color = "black";
+ readCell.appendChild(readButton);
+
+ const deleteButton = document.createElement("button");
+ deleteButton.className = "btn btn-sm btn-warning";
+ deleteButton.textContent = "Delete";
+ deleteCell.appendChild(deleteButton);
+
+ readButton.addEventListener("click", () => toggleReadStatus(index));
+
+ deleteButton.addEventListener("click", () => deleteBook(index));
+
+ row.append(titleCell, authorCell, pagesCell, readCell, deleteCell);
+ return row;
+};
+
+function toggleReadStatus(index) {
+ myLibrary[index].check = !myLibrary[index].check;
+ render();
+}
+
+function deleteBook(index) {
+ bookDeleteMessage(`You've deleted title: ${myLibrary[index].title}`);
+ myLibrary.splice(index, 1);
+ render();
+}
+
+function bookDeleteMessage(message, duration = 3000) {
+ const existingMessage = document.querySelector(".book-delete-message");
+ if (existingMessage) existingMessage.remove();
+
+ const messageBox = document.createElement("div");
+ messageBox.className = "book-delete-message";
+ messageBox.textContent = message;
+ document.body.appendChild(messageBox);
+
+ setTimeout(() => {
+ messageBox.remove();
+ }, duration);
}
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();
- });
- }
+ displayBooks.innerHTML = "";
+
+ const table = document.createElement("table");
+ table.className = "table table-striped";
+
+ const thead = document.createElement("thead");
+ const headerRow = document.createElement("tr");
+ ["Title", "Author", "Pages", "Read", "Delete"].forEach((label) => {
+ const th = document.createElement("th");
+ th.textContent = label;
+ headerRow.appendChild(th);
+ });
+ thead.appendChild(headerRow);
+ table.appendChild(thead);
+
+ const tbody = document.createElement("tbody");
+ const bookRows = myLibrary.map((book, index) => createBookRow(book, index));
+ tbody.append(...bookRows);
+ table.appendChild(tbody);
+
+ displayBooks.appendChild(table);
}
diff --git a/debugging/book-library/style.css b/debugging/book-library/style.css
index 302950cb..f98aad67 100644
--- a/debugging/book-library/style.css
+++ b/debugging/book-library/style.css
@@ -1,8 +1,9 @@
.form-group {
width: 400px;
- height: 300px;
+ min-height: 360px;
align-self: left;
padding-left: 20px;
+ padding-bottom: 20px;
}
.btn {
@@ -16,4 +17,78 @@
button.btn-info {
margin: 20px;
+ color: black;
+}
+
+.display-books table {
+ width: 100%;
+ margin-top: 20px;
+ border-collapse: collapse;
+}
+
+.display-books th,
+.display-books td {
+ padding: 0.75rem;
+ border: 1px solid #dee2e6;
+ text-align: left;
+ vertical-align: middle;
+}
+
+.display-books thead th {
+ background-color: #343a40;
+ color: white;
+}
+
+.display-books tbody tr:nth-child(even) {
+ background-color: #f8f9fa;
+}
+
+.display-books .book-delete {
+ color: #dc3545;
+ font-weight: 600;
+}
+
+.display-books .book-read {
+ font-weight: 600;
+}
+
+.display-books .book-read .btn,
+.display-books .book-delete .btn {
+ width: 100%;
+ max-width: 90px;
+}
+
+.form-control.is-invalid {
+ border-color: #dc3545;
+ box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25);
+}
+
+.invalid-feedback {
+ display: none;
+ color: #dc3545;
+ font-size: 0.875rem;
+ margin-bottom: 0.5rem;
+}
+
+.invalid-feedback.show {
+ display: block;
+}
+
+/* error messages */
+.error {
+ color: red;
+ font-size: 0.8rem;
+}
+
+.book-delete-message {
+ position: fixed;
+ top: 50%;
+ left: 50%;
+ transform: translate(-50%, -50%);
+ background: #ff7f7f;
+ color: white;
+ padding: 1rem 2rem;
+ border-radius: 6px;
+ z-index: 1000;
+ box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
+
+
+
+
+
- | Title | -Author | -Number of Pages | -Read | -- |
|---|---|---|---|---|
| - | - | - | - | - |