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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>A Year of Reading</title>
<script src="https://cdn.tailwindcss.com"></script>
<style>
.add-book-btn {
position: fixed;
bottom: 2rem;
right: 2rem;
width: 3rem;
height: 3rem;
background: #3b82f6;
color: white;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
font-size: 1.5rem;
cursor: pointer;
box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
transition: transform 0.2s;
z-index: 50;
}
.add-book-btn:hover {
transform: scale(1.1);
}
.heatmap-cell {
height: clamp(48px, 10vw, 64px);
border: 1px solid #e5e7eb;
cursor: pointer;
border-radius: 0.375rem;
transition: all 0.2s;
display: flex;
flex-direction: column;
align-items: center;
justify-content: center;
padding: 0.25rem;
width: 100%;
min-width: 0;
}
.heatmap-cell:hover {
box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}
.heatmap-row {
display: grid;
grid-template-columns: repeat(7, minmax(0, 1fr));
gap: 0.25rem;
flex: 1;
}
.book-label {
font-size: 0.875rem;
font-weight: 600;
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
padding: 0.375rem;
color: #374151;
background-color: #f3f4f6;
border-radius: 0.375rem;
border: 1px solid #e5e7eb;
display: flex;
align-items: center;
height: 100%;
min-width: 80px;
max-width: 100px;
}
.completed-book {
border-left: 4px solid #10B981;
}
.book-content {
transition: max-height 0.3s ease-out, opacity 0.2s ease-out;
overflow: hidden;
opacity: 1;
}
.book-content.collapsed {
max-height: 0;
opacity: 0;
margin: 0;
}
.completed-indicator {
background-color: #10B981;
color: white;
padding: 2px 8px;
border-radius: 9999px;
font-size: 0.75rem;
margin-left: auto;
}
.in-progress-indicator {
background-color: #3B82F6;
color: white;
padding: 2px 8px;
border-radius: 9999px;
font-size: 0.75rem;
margin-left: auto;
}
.heatmap-book-row {
display: grid;
grid-template-columns: minmax(80px, 100px) 1fr;
gap: 0.25rem;
margin: 0.25rem 0;
width: 100%;
}
</style>
</head>
<body class="bg-gray-100 p-6 font-sans">
<header class="mb-6 flex items-center justify-between">
<h1 class="text-xl font-bold">A Year of Reading</h1>
</header>
<main class="grid gap-6">
<div
id="add-book-modal"
class="fixed inset-0 bg-gray-500 bg-opacity-75 flex items-center justify-center hidden z-50"
>
<div class="bg-white p-6 rounded-lg shadow-xl max-w-md w-full">
<div class="flex justify-between items-center mb-4">
<h2 class="text-lg font-semibold">Add New Book</h2>
<button type="button" class="modal-close text-gray-500 hover:text-gray-700">×</button>
</div>
<form id="add-book-form" class="space-y-3">
<div>
<label for="book-title" class="block text-sm font-medium text-gray-700">Title</label>
<input
type="text"
id="book-title"
required
class="mt-1 p-2 w-full border rounded focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label for="total-pages" class="block text-sm font-medium text-gray-700">Total Pages</label>
<input
type="number"
id="total-pages"
required
class="mt-1 p-2 w-full border rounded focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<fieldset class="border p-3 rounded">
<legend class="text-sm font-medium">Goal</legend>
<div class="space-y-1">
<div>
<input type="radio" id="goal-date" name="goal-type" value="date" class="mr-1" />
<label for="goal-date" class="text-sm">Target Date</label>
<input
type="date"
id="target-date"
class="mt-1 ml-2 p-1.5 border rounded text-sm"
disabled
/>
</div>
<div>
<input type="radio" id="goal-pages" name="goal-type" value="pages" class="mr-1" />
<label for="goal-pages" class="text-sm">Pages/Day</label>
<input
type="number"
id="pages-per-day"
class="mt-1 ml-2 p-1.5 border rounded text-sm"
disabled
/>
</div>
</div>
</fieldset>
<div>
<label for="start-date" class="block text-sm font-medium text-gray-700">Start Date</label>
<input
type="date"
id="start-date"
required
class="mt-1 p-2 w-full border rounded focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<button
type="submit"
class="w-full bg-blue-500 text-white py-2 px-4 rounded hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2"
>
Add Book
</button>
</form>
</div>
</div>
<button type="button" id="add-book-btn" class="add-book-btn">+</button>
<section id="book-list" class="bg-white p-4 rounded shadow">
<h2 class="text-lg font-semibold mb-3">My Books</h2>
<div class="grid grid-cols-1 md:grid-cols-2 gap-4" id="book-entries"></div>
</section>
</main>
<section id="stats-history" class="bg-white p-4 rounded shadow mt-6 md:mt-0">
<div id="weekly-heatmap" class="mb-6">
<h2 class="text-lg font-bold mb-4">This Week</h2>
<div id="heatmap-container"></div>
</div>
</section>
<!-- New Reading Challenge Section -->
<section id="reading-challenge" class="bg-white p-4 rounded shadow mt-6">
<div class="flex justify-between items-center mb-4">
<h2 class="text-lg font-bold">Reading Challenge <span id="challenge-year"></span></h2>
<button
id="edit-goal-btn"
class="text-blue-500 hover:text-blue-700 flex items-center gap-1"
>
<svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4" viewBox="0 0 20 20" fill="currentColor">
<path d="M13.586 3.586a2 2 0 112.828 2.828l-.793.793-2.828-2.828.793-.793zM11.379 5.793L3 14.172V17h2.828l8.38-8.379-2.83-2.828z" />
</svg>
Edit Goal
</button>
</div>
<div class="space-y-4">
<div>
<div class="flex justify-between items-center text-sm mb-2">
<span>Books Progress</span>
<span><span id="completed-books" class="font-medium">0</span>/<span id="yearly-goal" class="font-medium">52</span> books</span>
</div>
<div class="relative h-4 rounded-full bg-gray-200 overflow-hidden">
<div id="challenge-progress" class="absolute h-full bg-green-500 transition-all duration-500"></div>
</div>
</div>
<div>
<div class="flex justify-between items-center text-sm mb-2">
<span>Year Progress</span>
<span>Day <span id="current-day" class="font-medium">0</span>/365</span>
</div>
<div class="relative h-4 rounded-full bg-gray-200 overflow-hidden">
<div id="year-progress" class="absolute h-full bg-blue-500 transition-all duration-500"></div>
</div>
</div>
<div class="flex justify-between items-center text-sm pt-2">
<span>Week: <span id="current-week" class="font-medium">0</span>/52</span>
<span>On Track: <span id="on-track-status" class="font-medium">Yes</span></span>
</div>
</div>
</section>
<!-- New Goal Edit Modal -->
<div
id="edit-goal-modal"
class="fixed inset-0 bg-gray-500 bg-opacity-75 flex items-center justify-center hidden z-50"
>
<div class="bg-white p-6 rounded-lg shadow-xl max-w-sm w-full">
<div class="flex justify-between items-center mb-4">
<h3 class="text-lg font-semibold">Edit Reading Goal</h3>
<button type="button" class="modal-close text-gray-500 hover:text-gray-700">×</button>
</div>
<form id="edit-goal-form" class="space-y-4">
<div>
<label for="yearly-goal-input" class="block text-sm font-medium text-gray-700">Books to read in <span id="current-year"></span></label>
<input
type="number"
id="yearly-goal-input"
min="1"
class="mt-1 p-2 w-full border rounded focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<button
type="submit"
class="w-full bg-blue-500 text-white py-2 px-4 rounded hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2"
>
Save Goal
</button>
</form>
</div>
</div>
<div
id="edit-history-modal"
class="fixed z-10 inset-0 overflow-y-auto hidden"
aria-labelledby="modal-title"
role="dialog"
aria-modal="true"
>
<div class="flex items-end justify-center min-h-screen pt-4 px-4 pb-20 text-center sm:block sm:p-0">
<div class="fixed inset-0 bg-gray-500 bg-opacity-75 transition-opacity"></div>
<span class="hidden sm:inline-block sm:align-middle sm:h-screen"></span>
<div
class="inline-block align-bottom bg-white rounded-lg text-left overflow-hidden shadow-xl transform transition-all sm:my-8 sm:align-middle sm:max-w-lg sm:w-full"
>
<div class="bg-white px-4 pt-5 pb-4 sm:p-6 sm:pb-4">
<div class="flex justify-between items-center mb-4">
<h3 class="text-lg leading-6 font-medium text-gray-900">
Edit Reading History
</h3>
<button type="button" class="modal-close text-gray-500 hover:text-gray-700">×</button>
</div>
<div class="mt-2">
<p class="text-sm text-gray-500">
Modify pages read for <span id="edit-date"></span> for book
<span id="edit-history-book-title"></span>.
</p>
<input
type="number"
id="edit-pages-read"
class="mt-2 p-2 border rounded w-full focus:ring-blue-500 focus:border-blue-500"
/>
</div>
</div>
<div class="bg-gray-50 px-4 py-3 sm:px-6 sm:flex sm:flex-row-reverse">
<button
type="button"
id="save-edit-history"
class="ml-3 w-full inline-flex justify-center rounded-md border border-transparent shadow-sm px-4 py-2 bg-blue-600 text-base font-medium text-white hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2"
>
Save
</button>
<button
type="button"
class="modal-close mt-3 w-full inline-flex justify-center rounded-md border border-gray-300 shadow-sm px-4 py-2 bg-white text-base font-medium text-gray-700 hover:bg-gray-50 focus:outline-none focus:ring-2 focus:ring-indigo-500 sm:mt-0 sm:ml-3 sm:w-auto sm:text-sm"
>
Cancel
</button>
</div>
</div>
</div>
</div>
<div id="data-management" class="bg-white p-4 rounded shadow mt-6">
<h2 class="text-lg font-semibold mb-3">Data Management</h2>
<div class="flex space-x-2 items-center">
<button
type="button"
id="export-data"
class="bg-blue-500 text-white py-2 px-4 rounded hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 text-sm"
>
Export Data
</button>
<input type="file" id="import-data" accept=".json" class="hidden" />
<button
type="button"
id="import-data-button"
class="bg-blue-500 text-white py-2 px-4 rounded hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 text-sm"
>
Import Data
</button>
</div>
</div>
<!-- Moved Streaks and Statistics Section -->
<section class="grid grid-cols-2 gap-4 text-sm bg-white p-4 rounded shadow mt-6">
<div id="streaks">
<h3 class="font-semibold mb-1">Streaks</h3>
<p>Current: <span id="current-streak" class="font-medium">0</span> days</p>
<p>Longest: <span id="longest-streak" class="font-medium">0</span> days</p>
<p>Weekly Completion: <span id="weekly-completion" class="font-medium">0%</span></p>
</div>
<div id="historical-stats">
<h3 class="font-semibold mb-1">Statistics</h3>
<p>Avg Pages/Day: <span id="avg-pages" class="font-medium">0</span></p>
<p>Books Completed: <span id="total-books-completed" class="font-medium">0</span></p>
<p>Total Pages Read: <span id="total-pages-read" class="font-medium">0</span></p>
<p>Best Reading Day: <span id="best-day" class="font-medium"></span></p>
</div>
</section>
<div
id="edit-book-modal"
class="fixed inset-0 bg-gray-500 bg-opacity-75 flex items-center justify-center hidden z-50"
>
<div class="bg-white p-6 rounded-lg shadow-xl max-w-md w-full">
<div class="flex justify-between items-center mb-4">
<h2 class="text-lg font-semibold">Edit Book</h2>
<button
type="button"
onclick="closeEditBookModal()"
class="text-gray-500 hover:text-gray-700"
>
×
</button>
</div>
<form id="edit-book-form" class="space-y-3">
<input type="hidden" id="edit-book-index" />
<div>
<label for="edit-book-title" class="block text-sm font-medium text-gray-700">Title</label>
<input
type="text"
id="edit-book-title"
required
class="mt-1 p-2 w-full border rounded focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div>
<label for="edit-total-pages" class="block text-sm font-medium text-gray-700">Total Pages</label>
<input
type="number"
id="edit-total-pages"
required
class="mt-1 p-2 w-full border rounded focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<fieldset class="border p-3 rounded">
<legend class="text-sm font-medium">Goal</legend>
<div class="space-y-1">
<div>
<input type="radio" id="edit-goal-date" name="edit-goal-type" value="date" class="mr-1" />
<label for="edit-goal-date" class="text-sm">Target Date</label>
<input
type="date"
id="edit-target-date"
class="mt-1 ml-2 p-1.5 border rounded text-sm"
disabled
/>
</div>
<div>
<input
type="radio"
id="edit-goal-pages"
name="edit-goal-type"
value="pages"
class="mr-1"
/>
<label for="edit-goal-pages" class="text-sm">Pages/Day</label>
<input
type="number"
id="edit-pages-per-day"
class="mt-1 ml-2 p-1.5 border rounded text-sm"
disabled
/>
</div>
</div>
</fieldset>
<div>
<label for="edit-start-date" class="block text-sm font-medium text-gray-700">Start Date</label>
<input
type="date"
id="edit-start-date"
required
class="mt-1 p-2 w-full border rounded focus:ring-blue-500 focus:border-blue-500"
/>
</div>
<div class="flex justify-between space-x-2">
<button
type="submit"
class="bg-blue-500 text-white py-2 px-4 rounded hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2"
>
Save Changes
</button>
<button
type="button"
onclick="bookManager.handleDeleteBook()"
class="bg-red-500 text-white py-2 px-4 rounded hover:bg-red-700 focus:outline-none focus:ring-2 focus:ring-red-500 focus:ring-offset-2"
>
Delete Book
</button>
</div>
</form>
</div>
</div>
<script>
const LOCAL_STORAGE_KEY = 'readingTrackerBooks';
const dayNames = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
const dayIcons = ["☀️", "🌙", "⚡", "💧", "🔥", "🌟", "🌍"];
const $ = (id) => document.getElementById(id);
const formatDate = (date) => {
const d = new Date(date);
const year = d.getFullYear();
const month = String(d.getMonth() + 1).padStart(2, "0");
const day = String(d.getDate()).padStart(2, "0");
return `${year}-${month}-${day}`;
};
const Utils = {
formatDate,
getDaysBetween(start, end) {
const startDate = new Date(start);
const endDate = new Date(end);
const oneDay = 24 * 60 * 60 * 1000;
return Math.round(Math.abs((startDate - endDate) / oneDay));
},
calculateProgressPercentage(currentPage, totalPages) {
return totalPages > 0 ? Math.floor((currentPage / totalPages) * 100) : 0;
},
calculateDailyGoal(remainingPages, remainingDays) {
return remainingDays > 0 ? Math.ceil(remainingPages / remainingDays) : remainingPages;
}
};
class Book {
constructor(data) {
this.title = data.title;
this.totalPages = data.totalPages;
this.currentPage = data.currentPage || 0;
this.startDate = data.startDate;
this.goalType = data.goalType;
this.targetDate = data.targetDate;
this.pagesPerDay = data.pagesPerDay;
this.readingHistory = data.readingHistory || [];
this.lockedDailyGoals = data.lockedDailyGoals || {};
}
updateProgress(currentPageTotal, date) {
if (currentPageTotal < 0 || currentPageTotal > this.totalPages) {
throw new Error("Invalid page number");
}
const existingEntryIndex = this.readingHistory.findIndex((item) => item.date === date);
const sortedHistory = [...this.readingHistory].sort((a, b) => new Date(b.date) - new Date(a.date));
const previousTotal = sortedHistory.find((entry) => entry.date < date)?.totalPages || 0;
const pagesReadToday = currentPageTotal - previousTotal;
if (existingEntryIndex > -1) {
if (currentPageTotal === 0) {
this.readingHistory.splice(existingEntryIndex, 1);
} else {
this.readingHistory[existingEntryIndex] = {
date,
pagesRead: Math.max(0, pagesReadToday),
totalPages: currentPageTotal
};
}
} else if (currentPageTotal > 0) {
this.readingHistory.push({
date,
pagesRead: Math.max(0, pagesReadToday),
totalPages: currentPageTotal
});
}
this.currentPage = currentPageTotal;
}
getProgress() {
const percentage = Utils.calculateProgressPercentage(this.currentPage, this.totalPages);
return {
percentage,
isCompleted: this.currentPage === this.totalPages,
currentPage: this.currentPage,
totalPages: this.totalPages
};
}
calculateDailyGoalFromYesterday(today) {
const yesterday = new Date(today);
yesterday.setDate(yesterday.getDate() - 1);
const yesterdayStr = formatDate(yesterday);
// Get pages read up to yesterday
const sortedHistory = [...this.readingHistory].sort((a, b) => new Date(a.date) - new Date(b.date));
const pagesAsOfYesterday = sortedHistory.find(entry => entry.date <= yesterdayStr)?.totalPages || 0;
// Calculate remaining pages from yesterday's progress
const pagesRemaining = this.totalPages - pagesAsOfYesterday;
if (this.goalType === "pages") return this.pagesPerDay;
if (this.goalType === "date" && this.targetDate) {
const remainingDays = Utils.getDaysBetween(today, this.targetDate);
return Utils.calculateDailyGoal(pagesRemaining, remainingDays);
}
return 0;
}
lockDailyGoalFor(dateStr) {
if (!this.lockedDailyGoals[dateStr]) {
this.lockedDailyGoals[dateStr] = this.calculateDailyGoalFromYesterday(dateStr);
}
return this.lockedDailyGoals[dateStr];
}
getDailyGoal(currentDate) {
const dateStr = formatDate(new Date(currentDate));
return this.lockDailyGoalFor(dateStr);
}
}
class BookManager {
constructor() {
this.books = [];
this.$bookEntries = $("book-entries");
this.yearlyGoal = parseInt(localStorage.getItem('yearlyReadingGoal')) || 52;
this.loadBooks();
}
init() {
this.setupEventListeners();
this.updateUI();
this.updateReadingChallenge();
document.getElementById('challenge-year').textContent = new Date().getFullYear();
}
loadBooks() {
try {
const savedBooks = JSON.parse(localStorage.getItem(LOCAL_STORAGE_KEY)) || [];
this.books = savedBooks.map((b) => new Book(b));
} catch {
this.books = [];
}
}
saveBooks() {
localStorage.setItem(LOCAL_STORAGE_KEY, JSON.stringify(this.books));
}
refreshUI() {
this.saveBooks();
this.updateUI();
}
addBook(bookData) {
this.books.push(new Book(bookData));
this.refreshUI();
}
updateBook(index, bookData) {
const original = this.books[index];
// Create new book with cleared lockedDailyGoals if goal-related fields changed
const shouldClearGoals = original.goalType !== bookData.goalType ||
original.targetDate !== bookData.targetDate ||
original.pagesPerDay !== bookData.pagesPerDay;
this.books[index] = new Book({
...original,
...bookData,
readingHistory: original.readingHistory,
lockedDailyGoals: shouldClearGoals ? {} : original.lockedDailyGoals
});
this.refreshUI();
}
deleteBook(index) {
this.books.splice(index, 1);
this.refreshUI();
}
updateProgress(bookIndex, currentPageTotal, date) {
try {
this.books[bookIndex].updateProgress(currentPageTotal, date);
this.refreshUI();
} catch (error) {
alert(error.message);
}
}
updateUI() {
this.displayBooks();
this.renderReadingHistoryHeatmap();
this.calculateStats();
this.updateReadingChallenge();
}
displayBooks() {
if (!this.$bookEntries) return;
if (this.books.length === 0) {
this.$bookEntries.innerHTML = `
<div class="text-center text-gray-500 py-4 col-span-2">
No books added yet. Click the + button to add your first book!
</div>
`;
return;
}
const today = formatDate(new Date());
try {
// Sort books: completed first, then by title, but keep track of original indices
const booksWithIndices = this.books.map((book, index) => ({ book, originalIndex: index }));
const sortedBooks = booksWithIndices.sort((a, b) => {
const aCompleted = a.book.currentPage === a.book.totalPages;
const bCompleted = b.book.currentPage === b.book.totalPages;
if (aCompleted === bCompleted) {
return a.book.title.localeCompare(b.book.title);
}
return bCompleted ? 1 : -1;
});
this.$bookEntries.innerHTML = sortedBooks
.map(({ book, originalIndex }) => {
const progress = book.getProgress();
const dailyGoal = book.getDailyGoal(today);
const todayReading =
book.readingHistory.find((item) => item.date === today)?.totalPages || book.currentPage;
// Get yesterday's progress for target calculation
const yesterday = new Date(today);
yesterday.setDate(yesterday.getDate() - 1);
const yesterdayStr = formatDate(yesterday);
const sortedHistory = [...book.readingHistory].sort((a, b) => new Date(a.date) - new Date(b.date));
const pagesAsOfYesterday = sortedHistory.find(entry => entry.date <= yesterdayStr)?.totalPages || 0;
const targetPage = Math.min(pagesAsOfYesterday + dailyGoal, book.totalPages);
return `
<div
class="bg-gray-50 p-3 rounded border ${progress.isCompleted ? "completed-book" : ""} relative"
data-book-index="${originalIndex}"
>
<div class="flex justify-between items-center cursor-pointer book-header" data-index="${originalIndex}">
<h4 class="text-lg font-semibold truncate pr-8">${book.title}</h4>
<div class="flex items-center gap-2 absolute right-3 top-3">
${progress.isCompleted ? '<span class="completed-indicator">Completed</span>' :
(progress.currentPage > 0 ? '<span class="in-progress-indicator">In Progress</span>' : '')}
<button type="button" class="edit-book-btn text-blue-500 hover:text-blue-700" data-index="${originalIndex}">
<svg
xmlns="http://www.w3.org/2000/svg"
class="h-5 w-5"
viewBox="0 0 20 20"
fill="currentColor"
>
<path
d="M13.586 3.586a2 2 0 112.828 2.828l-.793.793-2.828-2.828.793-.793zM11.379 5.793L3 14.172V17h2.828l8.38-8.379-2.83-2.828z"
/>
</svg>
</button>
</div>
</div>
<div id="book-content-${originalIndex}" class="book-content ${progress.isCompleted ? 'collapsed' : ''} mt-4">
<div class="mt-2">
<div class="flex items-center justify-between mb-1">
<span class="text-sm">Progress: ${progress.percentage}%</span>
</div>
<div class="relative h-2 rounded bg-blue-200">
<div
style="width:${progress.percentage}%"
class="absolute h-full rounded bg-blue-500"
></div>
</div>
<p class="text-sm mt-1">Read: ${progress.currentPage} / ${progress.totalPages} pages</p>
<div class="mt-1 p-2 bg-blue-50 border border-blue-200 rounded-md">
<p class="text-sm font-medium text-blue-800">
Today's Goal: Page ${targetPage}
</p>
</div>
<div class="mt-2 flex items-center space-x-2">
<input
type="number"
class="p-1.5 w-full border rounded text-sm focus:ring-blue-500 focus:border-blue-500"
value="${todayReading}"
min="0"
max="${book.totalPages}"
data-book-index="${originalIndex}"
/>
<button
type="button"
class="bg-blue-500 text-white py-1.5 px-3 rounded hover:bg-blue-700 focus:outline-none focus:ring-2 focus:ring-blue-500 focus:ring-offset-2 text-xs update-progress-btn"
data-book-index="${originalIndex}"
>
Update
</button>
</div>
</div>
</div>
</div>
`;
})
.join("");
} catch {
this.$bookEntries.innerHTML = `
<div class="text-center text-red-500 py-4 col-span-2">
Error displaying books. Please try refreshing the page.
</div>
`;
}
}
setupEventListeners() {
if (this.$bookEntries) {
this.$bookEntries.addEventListener("click", (e) => {
const target = e.target;
const container = target.closest("[data-book-index]");
if (!container) return;
const bookIndex = container.dataset.bookIndex;
// Check if the click is on the edit button or its SVG child
const isEditButton = target.matches(".edit-book-btn, .edit-book-btn *, svg, path");
if (isEditButton) {
e.stopPropagation(); // Prevent the click from triggering the header click
this.openEditBookModal(bookIndex);
return;
}
if (target.matches(".book-header, .book-header *")) {
this.toggleBookContent(bookIndex);
} else if (target.matches(".update-progress-btn, .update-progress-btn *")) {
const input = container.querySelector("input[type='number']");
this.updateProgress(bookIndex, parseInt(input.value, 10), formatDate(new Date()));
}
});
}
const addBookForm = $("add-book-form");
if (addBookForm) {
addBookForm.addEventListener("submit", (e) => this.handleAddBook(e));
}
const editBookForm = $("edit-book-form");
if (editBookForm) {
editBookForm.addEventListener("submit", (e) => this.handleEditBook(e));
}
const addBookBtn = $("add-book-btn");
if (addBookBtn) {
addBookBtn.addEventListener("click", () => this.openAddBookModal());
}
document.querySelectorAll(".modal-close").forEach((btn) => {
btn.addEventListener("click", () => this.closeAllModals());
});
document.querySelectorAll('input[name="goal-type"]').forEach((radio) => {
radio.addEventListener("change", () => this.handleGoalTypeChange(radio));
});
document.querySelectorAll('input[name="edit-goal-type"]').forEach((radio) => {
radio.addEventListener("change", () => this.handleGoalTypeChange(radio, true));
});
const saveEditHistoryBtn = $("save-edit-history");
if (saveEditHistoryBtn) {
saveEditHistoryBtn.addEventListener("click", () => this.handleEditHistory());
}
const exportDataBtn = $("export-data");
if (exportDataBtn) {
exportDataBtn.addEventListener("click", () => this.exportData());
}
const importDataBtn = $("import-data-button");
const importDataInput = $("import-data");
if (importDataBtn && importDataInput) {
importDataBtn.addEventListener("click", () => importDataInput.click());
importDataInput.addEventListener("change", (e) => this.handleImport(e));
}
const editGoalBtn = $("edit-goal-btn");
if (editGoalBtn) {
editGoalBtn.addEventListener("click", () => this.openEditGoalModal());
}
const editGoalForm = $("edit-goal-form");
if (editGoalForm) {
editGoalForm.addEventListener("submit", (e) => this.handleEditGoal(e));
}
}
toggleBookContent(index) {
const content = $(`book-content-${index}`);
if (content) content.classList.toggle("collapsed");
}
openAddBookModal() {
$("add-book-modal").classList.remove("hidden");
$("start-date").value = formatDate(new Date());
}
closeAddBookModal() {
$("add-book-modal").classList.add("hidden");
$("add-book-form").reset();
}
openEditBookModal(bookIndex) {
const book = this.books[bookIndex];
$("edit-book-index").value = bookIndex;
$("edit-book-title").value = book.title;
$("edit-total-pages").value = book.totalPages;
$("edit-start-date").value = book.startDate;
$("edit-goal-date").checked = book.goalType === "date";
$("edit-goal-pages").checked = book.goalType === "pages";
$("edit-target-date").value = book.goalType === "date" ? book.targetDate : "";
$("edit-pages-per-day").value = book.goalType === "pages" ? book.pagesPerDay : "";
$("edit-target-date").disabled = book.goalType !== "date";
$("edit-pages-per-day").disabled = book.goalType !== "pages";
$("edit-book-modal").classList.remove("hidden");
}
closeEditBookModal() {
$("edit-book-modal").classList.add("hidden");
}
openEditModal(date, bookTitle) {
const book = this.books.find((b) => b.title === bookTitle);
if (!book) return;
const history = book.readingHistory.find((h) => h.date === date);
$("edit-date").textContent = date;
$("edit-history-book-title").textContent = bookTitle;
const sortedHistory = [...book.readingHistory].sort(
(a, b) => new Date(b.date) - new Date(a.date)
);
const currentEntry = history?.totalPages || sortedHistory.find((entry) => entry.date < date)?.totalPages || 0;
$("edit-pages-read").value = currentEntry;
$("edit-history-modal").classList.remove("hidden");
}
closeEditModal() {
$("edit-history-modal").classList.add("hidden");
}
closeAllModals() {
this.closeAddBookModal();
this.closeEditBookModal();
this.closeEditModal();
}
handleAddBook(event) {
event.preventDefault();
const formData = {
title: $("book-title").value,
totalPages: parseInt($("total-pages").value, 10),
startDate: $("start-date").value,
goalType: document.querySelector('input[name="goal-type"]:checked')?.value,
targetDate: $("target-date").value,
pagesPerDay: parseInt($("pages-per-day").value, 10)
};
if (!this.validateBookData(formData)) {
alert("Please fill in all required fields with valid values.");
return;
}
this.addBook(formData);
this.closeAddBookModal();
}
handleEditBook(event) {
event.preventDefault();
const bookIndex = parseInt($("edit-book-index").value, 10);
const formData = {
title: $("edit-book-title").value,
totalPages: parseInt($("edit-total-pages").value, 10),
startDate: $("edit-start-date").value,
goalType: document.querySelector('input[name="edit-goal-type"]:checked')?.value,
targetDate: $("edit-target-date").value,
pagesPerDay: parseInt($("edit-pages-per-day").value, 10)
};
if (!this.validateBookData(formData)) {
alert("Please fill in all required fields with valid values.");
return;
}
this.updateBook(bookIndex, formData);
this.closeEditBookModal();
}
validateBookData(data) {
return (
data.title &&
!isNaN(data.totalPages) &&
data.totalPages > 0 &&
data.startDate &&
data.goalType &&
((data.goalType === "date" && data.targetDate) ||
(data.goalType === "pages" && !isNaN(data.pagesPerDay) && data.pagesPerDay > 0))
);
}
handleDeleteBook() {
const bookIndex = parseInt($("edit-book-index").value, 10);
if (confirm("Are you sure you want to delete this book? This action cannot be undone.")) {
this.deleteBook(bookIndex);
this.closeEditBookModal();
}
}
handleEditHistory() {
const currentPageTotal = parseInt($("edit-pages-read").value, 10);
if (isNaN(currentPageTotal)) return;
const bookTitle = $("edit-history-book-title").textContent;
const book = this.books.find((b) => b.title === bookTitle);
if (!book) return;
try {
book.updateProgress(currentPageTotal, $("edit-date").textContent);
this.saveBooks();
this.updateUI();
this.closeEditModal();
} catch (error) {
alert(error.message);
}
}
handleGoalTypeChange(radio, isEdit = false) {
const prefix = isEdit ? "edit-" : "";
const isDateGoal = radio.value === "date";
$(`${prefix}target-date`).disabled = !isDateGoal;
$(`${prefix}pages-per-day`).disabled = isDateGoal;
if (!isDateGoal) $(prefix + "target-date").value = "";
if (isDateGoal) $(prefix + "pages-per-day").value = "";
}
calculateStats() {
this.calculateStreaks();
this.calculateWeeklyCompletionRate();
this.calculateStatistics();
}
calculateStreaks() {
const allHistory = [];
this.books.forEach((b) => b.readingHistory.forEach((h) => allHistory.push(h)));
allHistory.sort((a, b) => new Date(a.date) - new Date(b.date));
let currentStreak = 0;
let longestStreak = 0;
let tempStreak = 0;
let lastDate = null;
const today = new Date();
const yesterday = new Date(today);
yesterday.setDate(today.getDate() - 1);
allHistory.forEach((item) => {
const currentDate = new Date(item.date);
if (lastDate) {
const diffDays = Utils.getDaysBetween(currentDate, lastDate);
if (diffDays === 1) {
tempStreak++;
} else if (diffDays > 1) {
longestStreak = Math.max(longestStreak, tempStreak);
tempStreak = 1;
}
} else if (formatDate(currentDate) === formatDate(yesterday)) {
tempStreak = 1;
}
lastDate = currentDate;
});
longestStreak = Math.max(longestStreak, tempStreak);
currentStreak = 0;
lastDate = new Date();
for (let i = 0; i < allHistory.length; i++) {
const historyItemDate = new Date(allHistory[allHistory.length - 1 - i].date);
const diffDays = Utils.getDaysBetween(lastDate, historyItemDate);
if (diffDays <= 1) {
currentStreak++;
lastDate = historyItemDate;
} else {
break;
}
}
$("current-streak").textContent = currentStreak;
$("longest-streak").textContent = longestStreak;
}
calculateWeeklyCompletionRate() {
const today = new Date();
let readingDays = 0;
for (let i = 0; i < 7; i++) {
const date = new Date(today);
date.setDate(today.getDate() - i);
const formattedDate = formatDate(date);
const hasRead = this.books.some((book) =>
book.readingHistory.some((item) => item.date === formattedDate && item.pagesRead > 0)
);
if (hasRead) readingDays++;
}
const completionRate = Math.round((readingDays / 7) * 100);
$("weekly-completion").textContent = `${completionRate}%`;
}
calculateStatistics() {
const stats = this.books.reduce(
(acc, book) => {
acc.totalPagesRead += book.currentPage;
if (book.currentPage === book.totalPages) acc.totalBooksCompleted++;
book.readingHistory.forEach((item) => {
acc.totalReadingDays++;
const dayOfWeek = new Date(item.date).getDay();
acc.dayCounts[dayOfWeek] += item.pagesRead;
});
return acc;
},
{
totalPagesRead: 0,
totalBooksCompleted: 0,
totalReadingDays: 0,
dayCounts: { 0: 0, 1: 0, 2: 0, 3: 0, 4: 0, 5: 0, 6: 0 }
}
);
const averagePages = stats.totalReadingDays
? Math.round(stats.totalPagesRead / stats.totalReadingDays)
: 0;
let bestDay = "";
let maxPages = 0;
Object.entries(stats.dayCounts).forEach(([day, pages]) => {
if (pages > maxPages) {
maxPages = pages;
bestDay = dayNames[parseInt(day, 10)];
}
});
$("avg-pages").textContent = averagePages;
$("total-books-completed").textContent = stats.totalBooksCompleted;
$("total-pages-read").textContent = stats.totalPagesRead;
$("best-day").textContent = bestDay;
}
renderReadingHistoryHeatmap() {
const heatmapContainer = $("heatmap-container");
if (!heatmapContainer) return;
heatmapContainer.innerHTML = "";
const today = new Date();
const dates = Array.from({ length: 7 }, (_, i) => {
const date = new Date(today);
date.setDate(today.getDate() - (6 - i));
return formatDate(date);
});
const headerRow = document.createElement("div");
headerRow.className = "grid grid-cols-[100px_1fr] items-start mb-2";
headerRow.innerHTML = `
<div></div>
<div class="grid grid-cols-7 gap-2 text-center text-sm font-medium text-gray-600">
${dates
.map((date) => {
const d = new Date(date).getDay();
return `
<div class="flex items-center justify-center gap-1">
<span>${dayIcons[d]}</span>
<span>${dayNames[d].slice(0, 3)}</span>
</div>
`;
})
.join("")}
</div>
`;
heatmapContainer.appendChild(headerRow);
this.books.forEach((book) => {
const bookRow = document.createElement("div");
bookRow.className = "heatmap-book-row";
const label = document.createElement("div");
const isCompleted = book.currentPage === book.totalPages;
label.className = `book-label ${isCompleted ? 'bg-green-100 border-green-500 text-green-800' : 'bg-gray-50 border-gray-200 text-gray-700'}`;
label.textContent = book.title;
bookRow.appendChild(label);
const heatmapRow = document.createElement("div");
heatmapRow.className = "heatmap-row";
dates.forEach((date) => {
const cell = document.createElement("div");
cell.className = "heatmap-cell";
cell.dataset.date = date;
cell.dataset.bookTitle = book.title;
const history = book.readingHistory.find((item) => item.date === date);
const pagesRead = history ? history.pagesRead : 0;
const totalPages = history ? history.totalPages : 0;
const dailyGoal = book.getDailyGoal(date);
const intensity = Math.min(pagesRead / 50, 1);
const cellDate = new Date(date);
const isInPast = cellDate < today && formatDate(cellDate) !== formatDate(today);
const isCompleted = book.currentPage === book.totalPages;
let color;
if (isCompleted) {
color = `rgba(16, 185, 129, ${intensity})`; // Tailwind's green-500
} else {
color = isInPast && pagesRead < dailyGoal
? `rgba(239, 68, 68, ${intensity})`
: `rgba(59, 130, 246, ${intensity})`;
}
cell.style.backgroundColor = color;
cell.innerHTML = `
<div class="text-[0.65rem] sm:text-xs font-medium ${intensity > 0.5 ? "text-white" : "text-gray-700"}">
${cellDate.getDate()}
</div>
${pagesRead > 0 ? `
<div class="text-[0.65rem] sm:text-xs ${intensity > 0.5 ? "text-white" : "text-gray-700"} truncate">
p.${totalPages}
</div>
` : ''}
`;
cell.addEventListener("click", () => this.openEditModal(date, book.title));
this.addCellTooltip(cell, book.title, pagesRead, date);
heatmapRow.appendChild(cell);
});
bookRow.appendChild(heatmapRow);
heatmapContainer.appendChild(bookRow);
});
}
addCellTooltip(cell, bookTitle, pagesRead, date) {
cell.addEventListener("mouseover", (e) => {
const tooltip = document.createElement("div");
tooltip.textContent = `${bookTitle}: ${pagesRead} pages on ${date}`;
tooltip.className = "absolute bg-black text-white p-2 rounded text-xs z-10";
tooltip.style.top = `${e.clientY - 30}px`;
tooltip.style.left = `${e.clientX + 10}px`;
document.body.appendChild(tooltip);
const removeTooltip = () => {
if (document.body.contains(tooltip)) {
document.body.removeChild(tooltip);
}
cell.removeEventListener("mouseout", removeTooltip);
};
cell.addEventListener("mouseout", removeTooltip);
});
}
exportData() {
const dataStr = JSON.stringify(this.books);
const dataUri = "data:application/json;charset=utf-8," + encodeURIComponent(dataStr);
const exportFileDefaultName = "reading_tracker_data.json";
const linkElement = document.createElement("a");
linkElement.setAttribute("href", dataUri);
linkElement.setAttribute("download", exportFileDefaultName);
linkElement.click();
}
handleImport(event) {
const file = event.target.files[0];
if (!file) return;
const reader = new FileReader();
reader.onload = (e) => {
try {
const importedData = JSON.parse(e.target.result);
if (Array.isArray(importedData)) {
if (confirm("This will replace your current data. Are you sure you want to continue?")) {
this.books = importedData.map((d) => new Book(d));
this.saveBooks();
this.updateUI();
alert("Data imported successfully!");
}
} else {
throw new Error("Invalid data format");
}
} catch {
alert(
"Error: Invalid file format. Please make sure you are importing a valid reading tracker data file."
);
}
};
reader.readAsText(file);
event.target.value = "";
}
openEditGoalModal() {
const modal = $("edit-goal-modal");
const yearInput = $("yearly-goal-input");
const yearSpan = $("current-year");
yearSpan.textContent = new Date().getFullYear();
yearInput.value = this.yearlyGoal;
modal.classList.remove("hidden");
}
handleEditGoal(event) {
event.preventDefault();
const newGoal = parseInt($("yearly-goal-input").value);
if (newGoal > 0) {
this.yearlyGoal = newGoal;
localStorage.setItem('yearlyReadingGoal', newGoal);
this.updateReadingChallenge();
$("edit-goal-modal").classList.add("hidden");
}
}
updateReadingChallenge() {
const now = new Date();
const start = new Date(now.getFullYear(), 0, 1);
const diff = now - start;
const oneDay = 1000 * 60 * 60 * 24;
const oneWeek = oneDay * 7;
// Calculate days and weeks
const currentDay = Math.ceil(diff / oneDay);
const currentWeek = Math.ceil(diff / oneWeek);
// Calculate year progress
const isLeapYear = new Date(now.getFullYear(), 1, 29).getMonth() === 1;
const daysInYear = isLeapYear ? 366 : 365;
const yearProgressPercentage = (currentDay / daysInYear) * 100;
// Calculate books progress including partial progress
const booksProgress = this.books.reduce((total, book) => {
// For completed books, add 1
if (book.currentPage === book.totalPages) {
return total + 1;
}
// For in-progress books, add their fractional progress
return total + (book.currentPage / book.totalPages);
}, 0);
const weeklyTarget = this.yearlyGoal / 52;
const expectedProgress = currentWeek * weeklyTarget;
const isOnTrack = booksProgress >= expectedProgress;
const booksProgressPercentage = (booksProgress / this.yearlyGoal) * 100;
// Update UI elements
$("yearly-goal").textContent = this.yearlyGoal;
$("current-week").textContent = currentWeek;
$("current-day").textContent = currentDay;
$("completed-books").textContent = booksProgress.toFixed(1);
$("on-track-status").textContent = isOnTrack ? "Yes" : "No";
$("on-track-status").className = `font-medium ${isOnTrack ? 'text-green-600' : 'text-red-600'}`;
// Update progress bars
const booksProgressBar = $("challenge-progress");
const yearProgressBar = $("year-progress");
booksProgressBar.style.width = `${booksProgressPercentage}%`;
yearProgressBar.style.width = `${yearProgressPercentage}%`;
}
}
let bookManager;
function initializeApp() {
try {
bookManager = new BookManager();
window.bookManager = bookManager;
bookManager.init();
} catch {}
}
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", initializeApp);
} else {
setTimeout(initializeApp, 0);
}
window.addEventListener("load", () => {
if (!bookManager) initializeApp();
});
function closeEditBookModal() {
$("edit-book-modal").classList.add("hidden");
}
</script>
</body>
</html> |