diff --git a/debugging/book-library/index.html b/debugging/book-library/index.html index 23acfa71..c69521a8 100644 --- a/debugging/book-library/index.html +++ b/debugging/book-library/index.html @@ -1,12 +1,7 @@ - - + + - - + Book library app @@ -14,7 +9,10 @@ rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" /> + + + @@ -29,20 +27,24 @@

Library

- + @@ -51,6 +53,8 @@

Library

class="form-control" id="pages" name="pages" + min="1" + max="10000" required />
@@ -76,7 +80,7 @@

Library

Title Author Number of Pages - Read + Completed @@ -90,7 +94,5 @@

Library

- - diff --git a/debugging/book-library/script.js b/debugging/book-library/script.js index 75ce6c1d..d64d7bef 100644 --- a/debugging/book-library/script.js +++ b/debugging/book-library/script.js @@ -1,101 +1,125 @@ -let myLibrary = []; +const myLibrary = []; window.addEventListener("load", function (e) { populateStorage(); - render(); }); function populateStorage() { if (myLibrary.length == 0) { - let book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true); - let book2 = new Book( + const book1 = new Book("Robison Crusoe", "Daniel Defoe", "252", true); + const book2 = 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"); +const titleInput = document.getElementById("book-title"); +const authorInput = document.getElementById("author"); +const pagesInput = document.getElementById("pages"); +const isReadCheckbox = document.getElementById("check"); +const submitBtn = document.getElementById("submit-btn"); //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!"); + const title = titleInput.value.trim(); + const author = authorInput.value.trim(); + const pages = Number(pagesInput.value); + + if (title === "") { + alert("Please fill title field!"); + return false; + } + + if (!Number.isInteger(pages) || pages < 1) { + alert("Pages must be a whole number greater than 0!"); return false; - } else { - let book = new Book(title.value, title.value, pages.value, check.checked); - library.push(book); - render(); } + + const book = new Book(title, author, pages, isReadCheckbox.checked); + + if (isBookInLibrary(book)) { + alert("This book is already in the library!"); + return false; + } + myLibrary.push(book); + resetInputFields(); + render(); +} + +submitBtn.addEventListener("click", submit); + +function isBookInLibrary(newBook) { + return myLibrary.some( + (old) => + old.title.toLowerCase() === newBook.title.toLowerCase() && + old.author.toLowerCase() === newBook.author.toLowerCase() + ); } -function Book(title, author, pages, check) { +function resetInputFields() { + titleInput.value = ""; + authorInput.value = ""; + pagesInput.value = ""; + isReadCheckbox.checked = false; +} + +function Book(title, author, pages, completed) { this.title = title; this.author = author; this.pages = pages; - this.check = check; + this.completed = completed; } function render() { - let table = document.getElementById("display"); - let rowsNumber = table.rows.length; + const table = document.getElementById("display"); + const rowsNumber = table.rows.length; //delete old table - for (let n = rowsNumber - 1; n > 0; n-- { + for (let n = rowsNumber - 1; n > 0; n--) { table.deleteRow(n); } //insert updated row and cells - let length = myLibrary.length; + const 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; + const row = table.insertRow(1); + 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 = myLibrary[i].title; + authorCell.textContent = myLibrary[i].author; + pagesCell.textContent = 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 changeCompletedBtn = document.createElement("button"); + changeCompletedBtn.className = "btn"; + wasReadCell.appendChild(changeCompletedBtn); + changeCompletedBtn.classList.add( + myLibrary[i].completed ? "btn-success" : "btn-secondary" + ); + changeCompletedBtn.textContent = myLibrary[i].completed ? "Yes" : "No"; + + changeCompletedBtn.addEventListener("click", function () { + myLibrary[i].completed = !myLibrary[i].completed; 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: ${myLibrary[i].title}`); + const delBtn = document.createElement("button"); + deleteCell.appendChild(delBtn); + delBtn.className = "btn btn-warning"; + delBtn.textContent = "Delete"; + delBtn.addEventListener("click", function () { + const deletedBook = myLibrary[i].title; + if (!confirm(`Delete "${deletedBook}?`)) return; myLibrary.splice(i, 1); render(); });